mysql根据数据库自动生成实体（dto,service,impl,mybatis,xml）

 

[java] view plain copy

1. package com.csair.test;  
2.   
3. import java.io.FileNotFoundException;  
4. import java.io.FileOutputStream;  
5. import java.io.IOException;  
6. import java.io.OutputStream;  
7. import java.sql.Connection;  
8. import java.sql.DatabaseMetaData;  
9. import java.sql.DriverManager;  
10. import java.sql.ResultSet;  
11. import java.sql.SQLException;  
12. import java.util.ArrayList;  
13. import java.util.List;  
14.   
15. public class GenerateEntity {  
16.   
17.     private String url = "jdbc:mysql://localhost:3306/database";  
18.     private String username = "root";  
19.     private String password = "root";  
20.     private String driverClass = "com.mysql.jdbc.Driver";  
21.     private DatabaseMetaData dbMetaData = null;  
22.     private String packageName = "com.csair.test.dto;";  
23.     private String path = "C:\\Users\\ppt\\Desktop\\test\\";  
24.       
25.     /** 
26.      * @Description: 获取表对应的所有列 
27.      * @author: ppt 
28.      * @date: 2015-3-16 上午10:13:17 
29.      * @param tableName 
30.      * @return: void 
31.      */  
32.     public void getTableColumns(String tableName) {  
33.         try {  
34.             String ACCESS_DOMAIN = "private";  
35.             ResultSet resultSet = dbMetaData.getColumns(null, null, tableName, "%");  
36.             while(resultSet.next()) {    
37.                 ResultSet resultSetColumn = dbMetaData.getColumns(null, null, tableName, null);    
38.                 String className = getFormatString(tableName,true);  
39.                 StringBuffer header = new StringBuffer("package " + packageName + "\n\n");  
40.                 StringBuffer footer = new StringBuffer();  
41.                 StringBuffer contentBuffer = new StringBuffer();  
42.                 contentBuffer.append("public class " + className + "{\n");    
43.                 while(resultSetColumn.next()) {    
44.                     contentBuffer.append("\t"+ACCESS_DOMAIN + " ");    
45.                     String columnType = resultSetColumn.getString("TYPE_NAME");    
46.                     String COLUMN_TYPE = getColumnType(columnType);  
47.                     if("Date".equals(COLUMN_TYPE)) {  
48.                         header.append("import java.util.Date;\n");  
49.                     }  
50.                     contentBuffer.append(COLUMN_TYPE + " ");    
51.                     String columnName = resultSetColumn.getString("COLUMN_NAME");   
52.                     String remark = resultSetColumn.getString("REMARKS");  
53.                     columnName = this.getFormatString(columnName, false);  
54.                     footer.append(getSetGenerater(columnName, COLUMN_TYPE));  
55.                     contentBuffer.append(columnName+";\t//"+remark+"\n");    
56.                 }   
57.                 contentBuffer.append("\n\n"+footer);  
58.                 contentBuffer.append("}");    
59.                 header.append("\n");  
60.                 header.append(contentBuffer);  
61.                 this.outputToFile(className+".java", header.toString());    
62.             }    
63.         } catch (SQLException e) {  
64.             e.printStackTrace();  
65.         }  
66.     }  
67.       
68.     public GenerateEntity() {  
69.         try {  
70.             Class.forName(driverClass);  
71.             Connection conn = DriverManager.getConnection(url, username, password);  
72.             dbMetaData = conn.getMetaData();  
73.         } catch(Exception e) {  
74.             e.printStackTrace();  
75.         }  
76.     }  
77.         
78.     /** 
79.      * @Description: 获取所以的表 
80.      * @author: ppt 
81.      * @date: 2015-3-16 上午10:12:57 
82.      * @return: void 
83.      */  
84.     public List<String> getAllTableList() {    
85.         List<String> tableList = new ArrayList<String>();  
86.         try {    
87.             String[] types = { "TABLE" };    
88.             ResultSet rs = dbMetaData.getTables(null, null, "%", types);    
89.             while (rs.next()) {    
90.                 String tableName = rs.getString("TABLE_NAME");  //表名   
91.                 tableList.add(tableName);  
92.             }    
93.         } catch (SQLException e) {    
94.             e.printStackTrace();    
95.         }  
96.         return tableList;  
97.     }    
98.       
99.      /**  
100.      * 处理字符串，去掉下划线“_”，并且把下划线的下一个字符变大写，flag为true，表示首字母要大写  
101.      * @param name  
102.      * @param flag  
103.      * @return  
104.      */    
105.     private String getFormatString(String name, boolean flag) {    
106.         name = name.toLowerCase();    
107.         String[] nameTemp = name.split("_");    
108.         StringBuffer buffer = new StringBuffer();    
109.         for(String str : nameTemp) {    
110.             String head = str.substring(0, 1).toUpperCase();    
111.             String tail = str.substring(1);    
112.             buffer.append(head+tail);    
113.         }    
114.         StringBuffer result = null;    
115.         if(!flag) {    
116.             result = new StringBuffer();    
117.             String head = buffer.substring(0, 1).toLowerCase();    
118.             String tail = buffer.substring(1);    
119.             result.append(head+tail);    
120.             return result.toString();    
121.         }    
122.         return buffer.toString();    
123.     }    
124.     /**  
125.      * 把String内容写到文件  
126.      * @param fileName  
127.      * @param content  
128.      */    
129.     private void outputToFile(String fileName, String content) {    
130.         OutputStream os = null;    
131.         try {    
132.             os = new FileOutputStream(path+fileName);    
133.         } catch (FileNotFoundException e1) {    
134.             e1.printStackTrace();    
135.         }    
136.         byte[] b = content.getBytes();    
137.         try {    
138.             os.write(b);    
139.             os.flush();    
140.         } catch (IOException e) {    
141.             e.printStackTrace();    
142.         } finally {    
143.             try {    
144.                 os.close();    
145.             } catch (IOException e) {    
146.                 e.printStackTrace();    
147.             }    
148.         }    
149.     }    
150.     /**  
151.      * 数据库类型转为java类型  
152.      * @param column  
153.      * @return  
154.      */    
155.     private String getColumnType(String column) {    
156.         String COLUMN_TYPE = null;  
157.         if("VARCHAR".equals(column)) {    
158.             COLUMN_TYPE = "String";    
159.         } else if("BIGINT".equals(column)) {    
160.             COLUMN_TYPE = "Long";    
161.         } else if("DATETIME".equals(column)) {    
162.             COLUMN_TYPE = "Date";    
163.         } else if("INT".equals(column) || "INT UNSIGNED".equals(column)) {    
164.             COLUMN_TYPE = "Integer";    
165.         } else if("BIGINT UNSIGNED".equals(column)) {    
166.             COLUMN_TYPE = "Long";    
167.         } else if("TINYINT UNSIGNED".equals(column)) {    
168.             COLUMN_TYPE = "Short";    
169.         } else if("DECIMAL".equals(column) || "FLOAT".equals(column) || "DOUBLE".equals(column)) {    
170.             COLUMN_TYPE = "Double";    
171.         } else if("TEXT".equals(column) || "MEDIUMTEXT".equals(column) || "LONGTEXT".equals(column)) {    
172.             COLUMN_TYPE = "String";    
173.         } else if("TIMESTAMP".equals(column) || "DATE".equals(column) || "DATETIME".equals(column)) {    
174.             COLUMN_TYPE = "Date";    
175.         } else if("TINYINT".equals(column)) {    
176.             COLUMN_TYPE = "Short";    
177.         } else if("DECIMAL UNSIGNED".equals(column)) {    
178.             COLUMN_TYPE = "Double";    
179.         } else if("SMALLINT".equals(column)) {    
180.             COLUMN_TYPE = "Short";    
181.         } else if("BIT".equals(column)) {    
182.             COLUMN_TYPE = "Short";    
183.         } else if("CHAR".equals(column)) {    
184.             COLUMN_TYPE = "String";    
185.         } else if("VARBINARY".equals(column)) {    
186.             COLUMN_TYPE = "byte";    
187.         } else if("BLOB".equals(column)) {    
188.             COLUMN_TYPE = "byte";    
189.         }  
190.         return COLUMN_TYPE;    
191.     }  
192.       
193.     private String getSetGenerater(String columnName, String columnType) {  
194.         StringBuffer sb = new StringBuffer();  
195.         sb.append("\tpublic " + columnType + " get" +columnName.substring(0, 1).toUpperCase()+columnName.substring(1, columnName.length()) + "() {\n");  
196.         sb.append("\t\treturn " + columnName + ";\n");  
197.         sb.append("\t}\n\n");  
198.         sb.append("\tpublic void set" + columnName.substring(0, 1).toUpperCase()+columnName.substring(1, columnName.length()));  
199.         sb.append("("+columnType +" " + columnName +") {\n");  
200.         sb.append("\t\tthis." + columnName + " = " + columnName + ";\n");  
201.         sb.append("\t}\n\n");  
202.         return sb.toString();  
203.     }  
204.       
205.     public static void main(String[] agrs) {  
206.         GenerateEntity aa = new GenerateEntity();  
207.         List<String> tableList = aa.getAllTableList();  
208.         for(String tableName : tableList) {  
209.             aa.getTableColumns(tableName);  
210.         }  
211. //      aa.getTableColumns("REPORT_REQ");  
212.     }  
213.       
214.       
215.       
216.   
217. }  

接口

[java] view plain copy

1. package com.csair.test;  
2.   
3. import java.io.FileNotFoundException;  
4. import java.io.FileOutputStream;  
5. import java.io.IOException;  
6. import java.io.OutputStream;  
7. import java.sql.Connection;  
8. import java.sql.DatabaseMetaData;  
9. import java.sql.DriverManager;  
10. import java.sql.ResultSet;  
11. import java.sql.SQLException;  
12. import java.util.ArrayList;  
13. import java.util.List;  
14.   
15. public class GenerateService {  
16.   
17.     private String url = "jdbc:mysql://localhost:3306/database";  
18.     private String username = "root";  
19.     private String password = "root";  
20.     private String driverClass = "com.mysql.jdbc.Driver";  
21.     private DatabaseMetaData dbMetaData = null;  
22.     private String packageName = "com.csair.test.service;";  
23.     private String packageNameDto = "com.csair.test.dto";  
24.     private String path = "C:\\Users\\ppt\\Desktop\\test\\";  
25.       
26.     public GenerateService() {  
27.         try {  
28.             Class.forName(driverClass);  
29.             Connection conn = DriverManager.getConnection(url, username, password);  
30.             dbMetaData = conn.getMetaData();  
31.         } catch(Exception e) {  
32.             e.printStackTrace();  
33.         }  
34.     }  
35.         
36.     /** 
37.      * @Description: 获取所有的表 
38.      * @author: ppt 
39.      * @date: 2015-3-16 上午10:12:57 
40.      * @return: void 
41.      */  
42.     public List<String> getAllTableList() {    
43.         List<String> tableList = new ArrayList<String>();  
44.         try {    
45.             String[] types = { "TABLE" };    
46.             ResultSet rs = dbMetaData.getTables(null, null, "%", types);    
47.             while (rs.next()) {    
48.                 String tableName = rs.getString("TABLE_NAME");  //表名   
49.                 tableList.add(tableName);  
50.             }    
51.         } catch (SQLException e) {    
52.             e.printStackTrace();    
53.         }  
54.         return tableList;  
55.     }    
56.       
57.      /**  
58.      * 处理字符串，去掉下划线“_”，并且把下划线的下一个字符变大写，flag为true，表示首字母要大写  
59.      * @param name  
60.      * @param flag  
61.      * @return  
62.      */    
63.     private String getFormatString(String name, boolean flag) {    
64.         name = name.toLowerCase();    
65.         String[] nameTemp = name.split("_");    
66.         StringBuffer buffer = new StringBuffer();    
67.         for(String str : nameTemp) {    
68.             String head = str.substring(0, 1).toUpperCase();    
69.             String tail = str.substring(1);    
70.             buffer.append(head+tail);    
71.         }    
72.         StringBuffer result = null;    
73.         if(!flag) {    
74.             result = new StringBuffer();    
75.             String head = buffer.substring(0, 1).toLowerCase();    
76.             String tail = buffer.substring(1);    
77.             result.append(head+tail);    
78.             return result.toString();    
79.         }    
80.         return buffer.toString();    
81.     }    
82.     /**  
83.      * 把String内容写到文件  
84.      * @param fileName  
85.      * @param content  
86.      */    
87.     private void outputToFile(String fileName, String content) {    
88.         OutputStream os = null;    
89.         try {    
90.             os = new FileOutputStream(path+fileName);    
91.         } catch (FileNotFoundException e1) {    
92.             e1.printStackTrace();    
93.         }    
94.         byte[] b = content.getBytes();    
95.         try {    
96.             os.write(b);    
97.             os.flush();    
98.         } catch (IOException e) {    
99.             e.printStackTrace();    
100.         } finally {    
101.             try {    
102.                 os.close();    
103.             } catch (IOException e) {    
104.                 e.printStackTrace();    
105.             }    
106.         }    
107.     }    
108.       
109.     private void getService() {  
110.         List<String> tableList = getAllTableList();  
111.         for(String tableName : tableList) {  
112.             String table = getFormatString(tableName, true);  
113.             String className = table + "Service";  
114.             StringBuffer sb = new StringBuffer();  
115.             sb.append("package " + packageName + "\n\n");  
116.             sb.append("import " + packageNameDto + "." + table + ";\n");  
117.             sb.append("import java.util.List;\n");  
118.             sb.append("import javax.ws.rs.POST;\n");  
119.             sb.append("import javax.ws.rs.GET;\n");  
120.             sb.append("import javax.ws.rs.PathParam;\n");  
121.             sb.append("import javax.ws.rs.Path;\n");  
122.             sb.append("import javax.ws.rs.Produces;\n");  
123.             sb.append("import javax.ws.rs.core.MediaType;\n");  
124.             sb.append("\n@Path(\"/" + className.substring(0, 1).toLowerCase() + className.substring(1) + "\")\n");  
125.             sb.append("public interface " + className + " {\n\n");  
126.               
127.             sb.append("\t//增加实体\n");  
128.             sb.append("\t@POST\n");  
129.             sb.append("\t@Path(\"addEntity\")\n");  
130.             sb.append("\t@Produces(MediaType.APPLICATION_XML)\n");  
131.             sb.append("\tpublic long addEntity(" + table + " dto) throws Exception;\n\n");  
132.               
133.             sb.append("\t//删除实体\n");  
134.             sb.append("\t@GET\n");  
135.             sb.append("\t@Path(\"deleteEntity/{id}\")\n");  
136.             sb.append("\t@Produces(MediaType.APPLICATION_XML)\n");  
137.             sb.append("\tpublic boolean deleteEntity(@PathParam(\"id\") long id) throws Exception;\n\n");  
138.               
139.             sb.append("\t//修改实体\n");  
140.             sb.append("\t@POST\n");  
141.             sb.append("\t@Path(\"updateEntity\")\n");  
142.             sb.append("\t@Produces(MediaType.APPLICATION_XML)\n");  
143.             sb.append("\tpublic long updateEntity(" + table + " dto) throws Exception;\n\n");  
144.               
145.             sb.append("\t//查询实体\n");  
146.             sb.append("\t@POST\n");  
147.             sb.append("\t@Path(\"findEntity\")\n");  
148.             sb.append("\t@Produces(MediaType.APPLICATION_XML)\n");  
149.             sb.append("\tpublic "+table+" findEntity(" + table + " dto) throws Exception;\n\n");  
150.               
151.             sb.append("\t//查询实体List\n");  
152.             sb.append("\t@POST\n");  
153.             sb.append("\t@Path(\"findEntityList\")\n");  
154.             sb.append("\t@Produces(MediaType.APPLICATION_XML)\n");  
155.             sb.append("\tpublic List<"+table+"> findEntityList(" + table + " dto) throws Exception;\n\n");  
156.               
157.             sb.append("}\n");  
158.             outputToFile(className+".java", sb.toString());  
159.         }  
160.     }  
161.       
162.     public static void main(String[] agrs) {  
163.         GenerateService aa = new GenerateService();  
164.         aa.getService();  
165.     }  
166.   
167. }  

mybatis接口

[java] view plain copy

1. package com.csair.test;  
2.   
3. import java.io.FileNotFoundException;  
4. import java.io.FileOutputStream;  
5. import java.io.IOException;  
6. import java.io.OutputStream;  
7. import java.sql.Connection;  
8. import java.sql.DatabaseMetaData;  
9. import java.sql.DriverManager;  
10. import java.sql.ResultSet;  
11. import java.sql.SQLException;  
12. import java.util.ArrayList;  
13. import java.util.List;  
14.   
15. public class GenerateMybatisRepository {  
16.   
17.     private String url = "jdbc:mysql://localhost:3306/database";  
18.     private String username = "root";  
19.     private String password = "root";  
20.     private String driverClass = "com.mysql.jdbc.Driver";  
21.     private DatabaseMetaData dbMetaData = null;  
22.     private String packageName = "com.csair.test.mybatisRepository;";  
23.     private String packageNameDto = "com.csair.test.dto";  
24.     private String path = "C:\\Users\\ppt\\Desktop\\test\\";  
25.       
26.     public GenerateMybatisRepository() {  
27.         try {  
28.             Class.forName(driverClass);  
29.             Connection conn = DriverManager.getConnection(url, username, password);  
30.             dbMetaData = conn.getMetaData();  
31.         } catch(Exception e) {  
32.             e.printStackTrace();  
33.         }  
34.     }  
35.         
36.     /** 
37.      * @Description: 获取所有的表 
38.      * @author: ppt 
39.      * @date: 2015-3-16 上午10:12:57 
40.      * @return: void 
41.      */  
42.     public List<String> getAllTableList() {    
43.         List<String> tableList = new ArrayList<String>();  
44.         try {    
45.             String[] types = { "TABLE" };    
46.             ResultSet rs = dbMetaData.getTables(null, null, "%", types);    
47.             while (rs.next()) {    
48.                 String tableName = rs.getString("TABLE_NAME");  //表名   
49.                 tableList.add(tableName);  
50.             }    
51.         } catch (SQLException e) {    
52.             e.printStackTrace();    
53.         }  
54.         return tableList;  
55.     }    
56.       
57.      /**  
58.      * 处理字符串，去掉下划线“_”，并且把下划线的下一个字符变大写，flag为true，表示首字母要大写  
59.      * @param name  
60.      * @param flag  
61.      * @return  
62.      */    
63.     private String getFormatString(String name, boolean flag) {    
64.         name = name.toLowerCase();    
65.         String[] nameTemp = name.split("_");    
66.         StringBuffer buffer = new StringBuffer();    
67.         for(String str : nameTemp) {    
68.             String head = str.substring(0, 1).toUpperCase();    
69.             String tail = str.substring(1);    
70.             buffer.append(head+tail);    
71.         }    
72.         StringBuffer result = null;    
73.         if(!flag) {    
74.             result = new StringBuffer();    
75.             String head = buffer.substring(0, 1).toLowerCase();    
76.             String tail = buffer.substring(1);    
77.             result.append(head+tail);    
78.             return result.toString();    
79.         }    
80.         return buffer.toString();    
81.     }    
82.     /**  
83.      * 把String内容写到文件  
84.      * @param fileName  
85.      * @param content  
86.      */    
87.     private void outputToFile(String fileName, String content) {    
88.         OutputStream os = null;    
89.         try {    
90.             os = new FileOutputStream(path+fileName);    
91.         } catch (FileNotFoundException e1) {    
92.             e1.printStackTrace();    
93.         }    
94.         byte[] b = content.getBytes();    
95.         try {    
96.             os.write(b);    
97.             os.flush();    
98.         } catch (IOException e) {    
99.             e.printStackTrace();    
100.         } finally {    
101.             try {    
102.                 os.close();    
103.             } catch (IOException e) {    
104.                 e.printStackTrace();    
105.             }    
106.         }    
107.     }    
108.       
109.     private void getService() {  
110.         List<String> tableList = getAllTableList();  
111.         for(String tableName : tableList) {  
112.             String table = getFormatString(tableName, true);  
113.             String className = table + "MybatisDao";  
114.             String dto = table;  
115.             StringBuffer sb = new StringBuffer();  
116.             sb.append("package " + packageName + "\n\n");  
117.             sb.append("import " + packageNameDto + "." + dto + ";\n");  
118.             sb.append("import java.util.List;\n");  
119.             sb.append("\npublic interface " + className + " {\n\n");  
120.               
121.             sb.append("\tpublic long addEntity(" + table + " dto);\n\n");  
122.               
123.             sb.append("\tpublic boolean deleteEntity(long id);\n\n");  
124.               
125.             sb.append("\tpublic long updateEntity(" + table + " dto);\n\n");  
126.               
127.             sb.append("\tpublic "+table+" findEntity(" + table + " dto);\n\n");  
128.               
129.             sb.append("\tpublic List<"+table+"> findEntityList(" + table + " dto);\n\n");  
130.               
131.             sb.append("}\n");  
132. //          System.out.println(sb.toString());  
133.             outputToFile(className+".java", sb.toString());  
134.         }  
135.     }  
136.       
137.     public static void main(String[] agrs) {  
138.         GenerateMybatisRepository aa = new GenerateMybatisRepository();  
139.         aa.getService();  
140.     }  
141.   
142.   
143. }  

实现impl

[java] view plain copy

1. package com.csair.test;  
2.   
3. import java.io.FileNotFoundException;  
4. import java.io.FileOutputStream;  
5. import java.io.IOException;  
6. import java.io.OutputStream;  
7. import java.sql.Connection;  
8. import java.sql.DatabaseMetaData;  
9. import java.sql.DriverManager;  
10. import java.sql.ResultSet;  
11. import java.sql.SQLException;  
12. import java.util.ArrayList;  
13. import java.util.List;  
14.   
15. import org.springframework.beans.factory.annotation.Autowired;  
16.   
17. public class GenerateServiceImpl {  
18.   
19.     private String url = "jdbc:mysql://localhost:3306/database";  
20.     private String username = "root";  
21.     private String password = "root";  
22.     private String driverClass = "com.mysql.jdbc.Driver";  
23.     private DatabaseMetaData dbMetaData = null;  
24.     private String packageName = "com.csair.test.service.impl;";  
25.     private String packageNameService = "com.csair.test.service";  
26.     private String packageNameDto = "com.csair.test.dto";  
27.     private String packageNameMybatis = "com.csair.test.mybatisRepository";  
28.     private String path = "C:\\Users\\ppt\\Desktop\\test\\";  
29.       
30.     public GenerateServiceImpl() {  
31.         try {  
32.             Class.forName(driverClass);  
33.             Connection conn = DriverManager.getConnection(url, username, password);  
34.             dbMetaData = conn.getMetaData();  
35.         } catch(Exception e) {  
36.             e.printStackTrace();  
37.         }  
38.     }  
39.         
40.     /** 
41.      * @Description: 获取所有的表 
42.      * @author: ppt 
43.      * @date: 2015-3-16 上午10:12:57 
44.      * @return: void 
45.      */  
46.     public List<String> getAllTableList() {    
47.         List<String> tableList = new ArrayList<String>();  
48.         try {    
49.             String[] types = { "TABLE" };    
50.             ResultSet rs = dbMetaData.getTables(null, null, "%", types);    
51.             while (rs.next()) {    
52.                 String tableName = rs.getString("TABLE_NAME");  //表名   
53.                 tableList.add(tableName);  
54.             }    
55.         } catch (SQLException e) {    
56.             e.printStackTrace();    
57.         }  
58.         return tableList;  
59.     }    
60.       
61.      /**  
62.      * 处理字符串，去掉下划线“_”，并且把下划线的下一个字符变大写，flag为true，表示首字母要大写  
63.      * @param name  
64.      * @param flag  
65.      * @return  
66.      */    
67.     private String getFormatString(String name, boolean flag) {    
68.         name = name.toLowerCase();    
69.         String[] nameTemp = name.split("_");    
70.         StringBuffer buffer = new StringBuffer();    
71.         for(String str : nameTemp) {    
72.             String head = str.substring(0, 1).toUpperCase();    
73.             String tail = str.substring(1);    
74.             buffer.append(head+tail);    
75.         }    
76.         StringBuffer result = null;    
77.         if(!flag) {    
78.             result = new StringBuffer();    
79.             String head = buffer.substring(0, 1).toLowerCase();    
80.             String tail = buffer.substring(1);    
81.             result.append(head+tail);    
82.             return result.toString();    
83.         }    
84.         return buffer.toString();    
85.     }    
86.     /**  
87.      * 把String内容写到文件  
88.      * @param fileName  
89.      * @param content  
90.      */    
91.     private void outputToFile(String fileName, String content) {    
92.         OutputStream os = null;    
93.         try {    
94.             os = new FileOutputStream(path+fileName);    
95.         } catch (FileNotFoundException e1) {    
96.             e1.printStackTrace();    
97.         }    
98.         byte[] b = content.getBytes();    
99.         try {    
100.             os.write(b);    
101.             os.flush();    
102.         } catch (IOException e) {    
103.             e.printStackTrace();    
104.         } finally {    
105.             try {    
106.                 os.close();    
107.             } catch (IOException e) {    
108.                 e.printStackTrace();    
109.             }    
110.         }    
111.     }    
112.       
113.     private void getServiceImpl() {  
114.         List<String> tableList = getAllTableList();  
115.         for(String tableName : tableList) {  
116.             String table = getFormatString(tableName, true);  
117.             String mybatis = table + "MybatisDao";  
118.             String dto = table;  
119.             String service = table + "Service";  
120.             String className = service + "Impl";  
121.             StringBuffer sb = new StringBuffer();  
122.             sb.append("package " + packageName + "\n\n");  
123.             sb.append("import " + packageNameDto + "." + dto + ";\n");  
124.             sb.append("import " + packageNameMybatis + "." + mybatis + ";\n");  
125.             sb.append("import " + packageNameService + "." + service + ";\n");  
126.             sb.append("import org.apache.log4j.Logger;\n");  
127.             sb.append("import org.springframework.beans.factory.annotation.Autowired;\n");  
128.             sb.append("import org.springframework.stereotype.Service;\n");  
129.             sb.append("import java.util.List;\n");  
130.             sb.append("@Service(\""+service.substring(0,1).toLowerCase()+service.substring(1)+"\")\n");  
131.             sb.append("public class " + className + " implements "+ service +" {\n\n");  
132.               
133.             sb.append("\tprivate Logger log = Logger.getLogger("+className+".class);\n");  
134.             String instance = mybatis.substring(0,1).toLowerCase() + mybatis.substring(1);  
135.             sb.append("\t@Autowired\n");  
136.             sb.append("\tprivate "+mybatis+" " + instance +";\n");  
137.               
138.             sb.append("\t@Override\n");  
139.             sb.append("\tpublic long addEntity(" + table + " dto) throws Exception {\n");  
140.             sb.append("\t\ttry {\n");  
141.             sb.append("\t\t\tlog.info(\"addEntity\");\n");  
142.             sb.append("\t\t\t"+instance+".addEntity(dto);\n");  
143.             sb.append("\t\t\treturn 0;\n");  
144.             sb.append("\t\t} catch(Exception e) {\n");  
145.             sb.append("\t\t\tlog.info(\"addEntity异常\");\n");  
146.             sb.append("\t\t\te.printStackTrace();\n");  
147.             sb.append("\t\t\tthrow e;\n");  
148.             sb.append("\t\t}\n");  
149.             sb.append("\t}\n");  
150.               
151.             sb.append("\t@Override\n");  
152.             sb.append("\tpublic boolean deleteEntity(long id) throws Exception {\n");  
153.             sb.append("\t\ttry {\n");  
154.             sb.append("\t\t\tlog.info(\"deleteEntity\");\n");  
155.             sb.append("\t\t\t"+instance+".deleteEntity(id);\n");  
156.             sb.append("\t\t\treturn false;\n");  
157.             sb.append("\t\t} catch(Exception e) {\n");  
158.             sb.append("\t\t\tlog.info(\"deleteEntity异常\");\n");  
159.             sb.append("\t\t\te.printStackTrace();\n");  
160.             sb.append("\t\t\tthrow e;\n");  
161.             sb.append("\t\t}\n");  
162.             sb.append("\t}\n");  
163.               
164.             sb.append("\t@Override\n");  
165.             sb.append("\tpublic long updateEntity(" + table + " dto) throws Exception {\n");  
166.             sb.append("\t\ttry {\n");  
167.             sb.append("\t\t\tlog.info(\"updateEntity\");\n");  
168.             sb.append("\t\t\t"+instance+".updateEntity(dto);\n");  
169.             sb.append("\t\t\treturn 0;\n");  
170.             sb.append("\t\t} catch(Exception e) {\n");  
171.             sb.append("\t\t\tlog.info(\"updateEntity异常\");\n");  
172.             sb.append("\t\t\te.printStackTrace();\n");  
173.             sb.append("\t\t\tthrow e;\n");  
174.             sb.append("\t\t}\n");  
175.             sb.append("\t}\n");  
176.               
177.             sb.append("\t@Override\n");  
178.             sb.append("\tpublic "+table+" findEntity(" + table + " dto) throws Exception {\n");  
179.             sb.append("\t\ttry {\n");  
180.             sb.append("\t\t\tlog.info(\"findEntity\");\n");  
181.             sb.append("\t\t\treturn "+instance+".findEntity(dto);\n");  
182.             sb.append("\t\t} catch(Exception e) {\n");  
183.             sb.append("\t\t\tlog.info(\"findEntity异常\");\n");  
184.             sb.append("\t\t\te.printStackTrace();\n");  
185.             sb.append("\t\t\tthrow e;\n");  
186.             sb.append("\t\t}\n");  
187.             sb.append("\t}\n");  
188.               
189.             sb.append("\t@Override\n");  
190.             sb.append("\tpublic List<"+table+"> findEntityList(" + table + " dto) throws Exception {\n");  
191.             sb.append("\t\ttry {\n");  
192.             sb.append("\t\t\tlog.info(\"findEntityList\");\n");  
193.             sb.append("\t\t\treturn "+instance+".findEntityList(dto);\n");  
194.             sb.append("\t\t} catch(Exception e) {\n");  
195.             sb.append("\t\t\tlog.info(\"findEntityList异常\");\n");  
196.             sb.append("\t\t\te.printStackTrace();\n");  
197.             sb.append("\t\t\tthrow e;\n");  
198.             sb.append("\t\t}\n");  
199.             sb.append("\t}\n");  
200.               
201.             sb.append("}\n");  
202. //          System.out.println(sb.toString());  
203.             outputToFile(className+".java", sb.toString());  
204.         }  
205.     }  
206.       
207.     public static void main(String[] agrs) {  
208.         GenerateServiceImpl aa = new GenerateServiceImpl();  
209.         aa.getServiceImpl();  
210.     }  
211.   
212. }  

生成mybatis的实现xml文件

[java] view plain copy

1. package com.csair.test;  
2.   
3. import java.io.FileNotFoundException;  
4. import java.io.FileOutputStream;  
5. import java.io.IOException;  
6. import java.io.OutputStream;  
7. import java.sql.Connection;  
8. import java.sql.DatabaseMetaData;  
9. import java.sql.DriverManager;  
10. import java.sql.ResultSet;  
11. import java.sql.SQLException;  
12. import java.util.ArrayList;  
13. import java.util.List;  
14.   
15. public class GenerateMybatisXml {  
16.   
17.     private String url = "jdbc:mysql://localhost:3306/jdz";  
18.     private String username = "root";  
19.     private String password = "root";  
20.     private String driverClass = "com.mysql.jdbc.Driver";  
21.     private DatabaseMetaData dbMetaData = null;  
22.     private String packageNameMybatisDao = "com.csair.test.mybatisRepository";  
23. //  private String path = "C:\\Users\\ppt\\Desktop\\test\\";  
24.     private String path = "D:\\ppt\\workspace\\shop\\shopserver\\src\\test\\java\\com\\csair\\test\\xml\\";  
25.       
26.     /** 
27.      * @Description: 获取表对应的所有列 
28.      * @author: ppt 
29.      * @date: 2015-3-16 上午10:13:17 
30.      * @param tableName 
31.      * @return: void 
32.      */  
33.     public void getTableColumns(String tableName) {  
34.         try {  
35.             ResultSet resultSetColumn = dbMetaData.getColumns(null, null,  
36.                     tableName, null);  
37.             String className = getFormatString(tableName, true);//表名  
38.             String fileName = className + "Mapper";//文件名  
39.             String thisFileName = className + "MybatisDao";//接口地址  
40.             StringBuffer header = new StringBuffer(  
41.                     "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n");  
42.             header.append("<!DOCTYPE mapper PUBLIC \"-//mybatis.org//DTD Mapper 3.0//EN\" \"http://mybatis.org/dtd/mybatis-3-mapper.dtd\">\n");  
43.             header.append("<mapper namespace=\"");  
44.             header.append(packageNameMybatisDao+"."+thisFileName);  
45.             header.append("\">\n\n");  
46.             StringBuffer footer = new StringBuffer("\n</mapper>");  
47.             StringBuffer add = new StringBuffer();  
48.             //增加数据  
49.             add.append("\t<insert id=\"addEntity\" parameterType=\""+className+"\">\n");  
50.             String insert = "\t\tinsert into " + tableName + "(";  
51.             String column = "";  
52.             String values = "";  
53.             //删除数据  
54.             StringBuffer delete = new StringBuffer();  
55.             delete.append("\t<update id=\"deleteEntity\" parameterType=\"long\">\n");  
56.             delete.append("\t\tupdate " + tableName + " set status = -1 where id = #{id}\n");  
57.             delete.append("\t</update>\n\n");  
58.             //更新数据  
59.             StringBuffer update = new StringBuffer();  
60.             String updateConent = "";  
61.             update.append("\t<update id=\"updateEntity\" parameterType=\""+className+"\">\n");  
62.             update.append("\t\tupdate " + tableName + " set ");  
63.             //查找数据  
64.             StringBuffer select = new StringBuffer();  
65.             select.append("\t<select id=\"findEntity\" parameterType=\""+className+"\" resultType=\""+className+"\">\n");  
66.             String selectContent = "\t\tselect\n";  
67.             //查找数据list  
68.             StringBuffer selectList = new StringBuffer();  
69.             selectList.append("\t<select id=\"findEntityList\" parameterType=\""+className+"\" resultType=\""+className+"\">\n");  
70.             while (resultSetColumn.next()) {  
71.                 String columnName = resultSetColumn.getString("COLUMN_NAME");  
72.                 String oldColumnName = columnName;  
73.                 columnName = this.getFormatString(columnName, false);  
74.                 //增加数据  
75.                 if("ID".equals(columnName.toUpperCase())) {  
76.                     continue;  
77.                 }  
78.                 column += columnName +",";  
79.                 values += "#{" + columnName + "},";  
80.                 //删除数据  
81.                   
82.                 //更新数据  
83.                 updateConent += columnName + "=#{" + columnName +"},";  
84.                 //查找数据  
85.                 selectContent += "\t\t"+oldColumnName + " AS " + columnName + ",\n";  
86.             }  
87.             selectContent = selectContent.substring(0, selectContent.length()-2);  
88.             selectContent += "\n\t\tfrom " + tableName + "\n";  
89.             select.append(selectContent);  
90.             select.append("\t</select>\n\n");  
91.             selectList.append(selectContent);  
92.             selectList.append("\t</select>\n\n");  
93.             updateConent = updateConent.substring(0,updateConent.length()-1);  
94.             update.append(updateConent);  
95.             update.append(" where id = #{id}\n");  
96.             update.append("\t</update>\n\n");  
97.             column = column.substring(0, column.length()-1);  
98.             values = values.substring(0,values.length()-1);  
99.             String statement = insert + column + ") values(" + values + ")\n";  
100.             add.append(statement);  
101.             add.append("\t</insert>\n\n");  
102.             header.append(add);  
103.             header.append(delete);  
104.             header.append(update);  
105.             header.append(select);  
106.             header.append(selectList);  
107.             header.append(footer);  
108. //          System.out.println(header.toString());  
109.              this.outputToFile(fileName+".xml", header.toString());   
110.         } catch (SQLException e) {  
111.             e.printStackTrace();  
112.         }  
113.     }  
114.       
115.     public GenerateMybatisXml() {  
116.         try {  
117.             Class.forName(driverClass);  
118.             Connection conn = DriverManager.getConnection(url, username, password);  
119.             dbMetaData = conn.getMetaData();  
120.         } catch(Exception e) {  
121.             e.printStackTrace();  
122.         }  
123.     }  
124.         
125.     /** 
126.      * @Description: 获取所以的表 
127.      * @author: ppt 
128.      * @date: 2015-3-16 上午10:12:57 
129.      * @return: void 
130.      */  
131.     public List<String> getAllTableList() {    
132.         List<String> tableList = new ArrayList<String>();  
133.         try {    
134.             String[] types = { "TABLE" };    
135.             ResultSet rs = dbMetaData.getTables(null, null, "%", types);    
136.             while (rs.next()) {    
137.                 String tableName = rs.getString("TABLE_NAME");  //表名   
138.                 tableList.add(tableName);  
139.             }    
140.         } catch (SQLException e) {    
141.             e.printStackTrace();    
142.         }  
143.         return tableList;  
144.     }    
145.       
146.      /**  
147.      * 处理字符串，去掉下划线“_”，并且把下划线的下一个字符变大写，flag为true，表示首字母要大写  
148.      * @param name  
149.      * @param flag  
150.      * @return  
151.      */    
152.     private String getFormatString(String name, boolean flag) {    
153.         name = name.toLowerCase();    
154.         String[] nameTemp = name.split("_");    
155.         StringBuffer buffer = new StringBuffer();    
156.         for(String str : nameTemp) {    
157.             String head = str.substring(0, 1).toUpperCase();    
158.             String tail = str.substring(1);    
159.             buffer.append(head+tail);    
160.         }    
161.         StringBuffer result = null;    
162.         if(!flag) {    
163.             result = new StringBuffer();    
164.             String head = buffer.substring(0, 1).toLowerCase();    
165.             String tail = buffer.substring(1);    
166.             result.append(head+tail);    
167.             return result.toString();    
168.         }    
169.         return buffer.toString();    
170.     }    
171.     /**  
172.      * 把String内容写到文件  
173.      * @param fileName  
174.      * @param content  
175.      */    
176.     private void outputToFile(String fileName, String content) {    
177.         OutputStream os = null;    
178.         try {    
179.             os = new FileOutputStream(path+fileName);    
180.         } catch (FileNotFoundException e1) {    
181.             e1.printStackTrace();    
182.         }    
183.         byte[] b = content.getBytes();    
184.         try {    
185.             os.write(b);    
186.             os.flush();    
187.         } catch (IOException e) {    
188.             e.printStackTrace();    
189.         } finally {    
190.             try {    
191.                 os.close();    
192.             } catch (IOException e) {    
193.                 e.printStackTrace();    
194.             }    
195.         }    
196.     }    
197.       
198.       
199.     public static void main(String[] agrs) {  
200.         GenerateMybatisXml aa = new GenerateMybatisXml();  
201.         List<String> tableList = aa.getAllTableList();  
202.         for(String tableName : tableList) {  
203.             aa.getTableColumns(tableName);  
204.         }  
205. //      aa.getTableColumns("loan_info");  
206.     }  
207.       
208.       
209.       
210.   
211. }  

 

[java] view plain copy

1. package com.csair.test;  
2.   
3. import java.io.FileNotFoundException;  
4. import java.io.FileOutputStream;  
5. import java.io.IOException;  
6. import java.io.OutputStream;  
7. import java.sql.Connection;  
8. import java.sql.DatabaseMetaData;  
9. import java.sql.DriverManager;  
10. import java.sql.ResultSet;  
11. import java.sql.SQLException;  
12. import java.util.ArrayList;  
13. import java.util.List;  
14.   
15. public class GenerateEntity {  
16.   
17.     private String url = "jdbc:mysql://localhost:3306/database";  
18.     private String username = "root";  
19.     private String password = "root";  
20.     private String driverClass = "com.mysql.jdbc.Driver";  
21.     private DatabaseMetaData dbMetaData = null;  
22.     private String packageName = "com.csair.test.dto;";  
23.     private String path = "C:\\Users\\ppt\\Desktop\\test\\";  
24.       
25.     /** 
26.      * @Description: 获取表对应的所有列 
27.      * @author: ppt 
28.      * @date: 2015-3-16 上午10:13:17 
29.      * @param tableName 
30.      * @return: void 
31.      */  
32.     public void getTableColumns(String tableName) {  
33.         try {  
34.             String ACCESS_DOMAIN = "private";  
35.             ResultSet resultSet = dbMetaData.getColumns(null, null, tableName, "%");  
36.             while(resultSet.next()) {    
37.                 ResultSet resultSetColumn = dbMetaData.getColumns(null, null, tableName, null);    
38.                 String className = getFormatString(tableName,true);  
39.                 StringBuffer header = new StringBuffer("package " + packageName + "\n\n");  
40.                 StringBuffer footer = new StringBuffer();  
41.                 StringBuffer contentBuffer = new StringBuffer();  
42.                 contentBuffer.append("public class " + className + "{\n");    
43.                 while(resultSetColumn.next()) {    
44.                     contentBuffer.append("\t"+ACCESS_DOMAIN + " ");    
45.                     String columnType = resultSetColumn.getString("TYPE_NAME");    
46.                     String COLUMN_TYPE = getColumnType(columnType);  
47.                     if("Date".equals(COLUMN_TYPE)) {  
48.                         header.append("import java.util.Date;\n");  
49.                     }  
50.                     contentBuffer.append(COLUMN_TYPE + " ");    
51.                     String columnName = resultSetColumn.getString("COLUMN_NAME");   
52.                     String remark = resultSetColumn.getString("REMARKS");  
53.                     columnName = this.getFormatString(columnName, false);  
54.                     footer.append(getSetGenerater(columnName, COLUMN_TYPE));  
55.                     contentBuffer.append(columnName+";\t//"+remark+"\n");    
56.                 }   
57.                 contentBuffer.append("\n\n"+footer);  
58.                 contentBuffer.append("}");    
59.                 header.append("\n");  
60.                 header.append(contentBuffer);  
61.                 this.outputToFile(className+".java", header.toString());    
62.             }    
63.         } catch (SQLException e) {  
64.             e.printStackTrace();  
65.         }  
66.     }  
67.       
68.     public GenerateEntity() {  
69.         try {  
70.             Class.forName(driverClass);  
71.             Connection conn = DriverManager.getConnection(url, username, password);  
72.             dbMetaData = conn.getMetaData();  
73.         } catch(Exception e) {  
74.             e.printStackTrace();  
75.         }  
76.     }  
77.         
78.     /** 
79.      * @Description: 获取所以的表 
80.      * @author: ppt 
81.      * @date: 2015-3-16 上午10:12:57 
82.      * @return: void 
83.      */  
84.     public List<String> getAllTableList() {    
85.         List<String> tableList = new ArrayList<String>();  
86.         try {    
87.             String[] types = { "TABLE" };    
88.             ResultSet rs = dbMetaData.getTables(null, null, "%", types);    
89.             while (rs.next()) {    
90.                 String tableName = rs.getString("TABLE_NAME");  //表名   
91.                 tableList.add(tableName);  
92.             }    
93.         } catch (SQLException e) {    
94.             e.printStackTrace();    
95.         }  
96.         return tableList;  
97.     }    
98.       
99.      /**  
100.      * 处理字符串，去掉下划线“_”，并且把下划线的下一个字符变大写，flag为true，表示首字母要大写  
101.      * @param name  
102.      * @param flag  
103.      * @return  
104.      */    
105.     private String getFormatString(String name, boolean flag) {    
106.         name = name.toLowerCase();    
107.         String[] nameTemp = name.split("_");    
108.         StringBuffer buffer = new StringBuffer();    
109.         for(String str : nameTemp) {    
110.             String head = str.substring(0, 1).toUpperCase();    
111.             String tail = str.substring(1);    
112.             buffer.append(head+tail);    
113.         }    
114.         StringBuffer result = null;    
115.         if(!flag) {    
116.             result = new StringBuffer();    
117.             String head = buffer.substring(0, 1).toLowerCase();    
118.             String tail = buffer.substring(1);    
119.             result.append(head+tail);    
120.             return result.toString();    
121.         }    
122.         return buffer.toString();    
123.     }    
124.     /**  
125.      * 把String内容写到文件  
126.      * @param fileName  
127.      * @param content  
128.      */    
129.     private void outputToFile(String fileName, String content) {    
130.         OutputStream os = null;    
131.         try {    
132.             os = new FileOutputStream(path+fileName);    
133.         } catch (FileNotFoundException e1) {    
134.             e1.printStackTrace();    
135.         }    
136.         byte[] b = content.getBytes();    
137.         try {    
138.             os.write(b);    
139.             os.flush();    
140.         } catch (IOException e) {    
141.             e.printStackTrace();    
142.         } finally {    
143.             try {    
144.                 os.close();    
145.             } catch (IOException e) {    
146.                 e.printStackTrace();    
147.             }    
148.         }    
149.     }    
150.     /**  
151.      * 数据库类型转为java类型  
152.      * @param column  
153.      * @return  
154.      */    
155.     private String getColumnType(String column) {    
156.         String COLUMN_TYPE = null;  
157.         if("VARCHAR".equals(column)) {    
158.             COLUMN_TYPE = "String";    
159.         } else if("BIGINT".equals(column)) {    
160.             COLUMN_TYPE = "Long";    
161.         } else if("DATETIME".equals(column)) {    
162.             COLUMN_TYPE = "Date";    
163.         } else if("INT".equals(column) || "INT UNSIGNED".equals(column)) {    
164.             COLUMN_TYPE = "Integer";    
165.         } else if("BIGINT UNSIGNED".equals(column)) {    
166.             COLUMN_TYPE = "Long";    
167.         } else if("TINYINT UNSIGNED".equals(column)) {    
168.             COLUMN_TYPE = "Short";    
169.         } else if("DECIMAL".equals(column) || "FLOAT".equals(column) || "DOUBLE".equals(column)) {    
170.             COLUMN_TYPE = "Double";    
171.         } else if("TEXT".equals(column) || "MEDIUMTEXT".equals(column) || "LONGTEXT".equals(column)) {    
172.             COLUMN_TYPE = "String";    
173.         } else if("TIMESTAMP".equals(column) || "DATE".equals(column) || "DATETIME".equals(column)) {    
174.             COLUMN_TYPE = "Date";    
175.         } else if("TINYINT".equals(column)) {    
176.             COLUMN_TYPE = "Short";    
177.         } else if("DECIMAL UNSIGNED".equals(column)) {    
178.             COLUMN_TYPE = "Double";    
179.         } else if("SMALLINT".equals(column)) {    
180.             COLUMN_TYPE = "Short";    
181.         } else if("BIT".equals(column)) {    
182.             COLUMN_TYPE = "Short";    
183.         } else if("CHAR".equals(column)) {    
184.             COLUMN_TYPE = "String";    
185.         } else if("VARBINARY".equals(column)) {    
186.             COLUMN_TYPE = "byte";    
187.         } else if("BLOB".equals(column)) {    
188.             COLUMN_TYPE = "byte";    
189.         }  
190.         return COLUMN_TYPE;    
191.     }  
192.       
193.     private String getSetGenerater(String columnName, String columnType) {  
194.         StringBuffer sb = new StringBuffer();  
195.         sb.append("\tpublic " + columnType + " get" +columnName.substring(0, 1).toUpperCase()+columnName.substring(1, columnName.length()) + "() {\n");  
196.         sb.append("\t\treturn " + columnName + ";\n");  
197.         sb.append("\t}\n\n");  
198.         sb.append("\tpublic void set" + columnName.substring(0, 1).toUpperCase()+columnName.substring(1, columnName.length()));  
199.         sb.append("("+columnType +" " + columnName +") {\n");  
200.         sb.append("\t\tthis." + columnName + " = " + columnName + ";\n");  
201.         sb.append("\t}\n\n");  
202.         return sb.toString();  
203.     }  
204.       
205.     public static void main(String[] agrs) {  
206.         GenerateEntity aa = new GenerateEntity();  
207.         List<String> tableList = aa.getAllTableList();  
208.         for(String tableName : tableList) {  
209.             aa.getTableColumns(tableName);  
210.         }  
211. //      aa.getTableColumns("REPORT_REQ");  
212.     }  
213.       
214.       
215.       
216.   
217. }  

接口

[java] view plain copy

1. package com.csair.test;  
2.   
3. import java.io.FileNotFoundException;  
4. import java.io.FileOutputStream;  
5. import java.io.IOException;  
6. import java.io.OutputStream;  
7. import java.sql.Connection;  
8. import java.sql.DatabaseMetaData;  
9. import java.sql.DriverManager;  
10. import java.sql.ResultSet;  
11. import java.sql.SQLException;  
12. import java.util.ArrayList;  
13. import java.util.List;  
14.   
15. public class GenerateService {  
16.   
17.     private String url = "jdbc:mysql://localhost:3306/database";  
18.     private String username = "root";  
19.     private String password = "root";  
20.     private String driverClass = "com.mysql.jdbc.Driver";  
21.     private DatabaseMetaData dbMetaData = null;  
22.     private String packageName = "com.csair.test.service;";  
23.     private String packageNameDto = "com.csair.test.dto";  
24.     private String path = "C:\\Users\\ppt\\Desktop\\test\\";  
25.       
26.     public GenerateService() {  
27.         try {  
28.             Class.forName(driverClass);  
29.             Connection conn = DriverManager.getConnection(url, username, password);  
30.             dbMetaData = conn.getMetaData();  
31.         } catch(Exception e) {  
32.             e.printStackTrace();  
33.         }  
34.     }  
35.         
36.     /** 
37.      * @Description: 获取所有的表 
38.      * @author: ppt 
39.      * @date: 2015-3-16 上午10:12:57 
40.      * @return: void 
41.      */  
42.     public List<String> getAllTableList() {    
43.         List<String> tableList = new ArrayList<String>();  
44.         try {    
45.             String[] types = { "TABLE" };    
46.             ResultSet rs = dbMetaData.getTables(null, null, "%", types);    
47.             while (rs.next()) {    
48.                 String tableName = rs.getString("TABLE_NAME");  //表名   
49.                 tableList.add(tableName);  
50.             }    
51.         } catch (SQLException e) {    
52.             e.printStackTrace();    
53.         }  
54.         return tableList;  
55.     }    
56.       
57.      /**  
58.      * 处理字符串，去掉下划线“_”，并且把下划线的下一个字符变大写，flag为true，表示首字母要大写  
59.      * @param name  
60.      * @param flag  
61.      * @return  
62.      */    
63.     private String getFormatString(String name, boolean flag) {    
64.         name = name.toLowerCase();    
65.         String[] nameTemp = name.split("_");    
66.         StringBuffer buffer = new StringBuffer();    
67.         for(String str : nameTemp) {    
68.             String head = str.substring(0, 1).toUpperCase();    
69.             String tail = str.substring(1);    
70.             buffer.append(head+tail);    
71.         }    
72.         StringBuffer result = null;    
73.         if(!flag) {    
74.             result = new StringBuffer();    
75.             String head = buffer.substring(0, 1).toLowerCase();    
76.             String tail = buffer.substring(1);    
77.             result.append(head+tail);    
78.             return result.toString();    
79.         }    
80.         return buffer.toString();    
81.     }    
82.     /**  
83.      * 把String内容写到文件  
84.      * @param fileName  
85.      * @param content  
86.      */    
87.     private void outputToFile(String fileName, String content) {    
88.         OutputStream os = null;    
89.         try {    
90.             os = new FileOutputStream(path+fileName);    
91.         } catch (FileNotFoundException e1) {    
92.             e1.printStackTrace();    
93.         }    
94.         byte[] b = content.getBytes();    
95.         try {    
96.             os.write(b);    
97.             os.flush();    
98.         } catch (IOException e) {    
99.             e.printStackTrace();    
100.         } finally {    
101.             try {    
102.                 os.close();    
103.             } catch (IOException e) {    
104.                 e.printStackTrace();    
105.             }    
106.         }    
107.     }    
108.       
109.     private void getService() {  
110.         List<String> tableList = getAllTableList();  
111.         for(String tableName : tableList) {  
112.             String table = getFormatString(tableName, true);  
113.             String className = table + "Service";  
114.             StringBuffer sb = new StringBuffer();  
115.             sb.append("package " + packageName + "\n\n");  
116.             sb.append("import " + packageNameDto + "." + table + ";\n");  
117.             sb.append("import java.util.List;\n");  
118.             sb.append("import javax.ws.rs.POST;\n");  
119.             sb.append("import javax.ws.rs.GET;\n");  
120.             sb.append("import javax.ws.rs.PathParam;\n");  
121.             sb.append("import javax.ws.rs.Path;\n");  
122.             sb.append("import javax.ws.rs.Produces;\n");  
123.             sb.append("import javax.ws.rs.core.MediaType;\n");  
124.             sb.append("\n@Path(\"/" + className.substring(0, 1).toLowerCase() + className.substring(1) + "\")\n");  
125.             sb.append("public interface " + className + " {\n\n");  
126.               
127.             sb.append("\t//增加实体\n");  
128.             sb.append("\t@POST\n");  
129.             sb.append("\t@Path(\"addEntity\")\n");  
130.             sb.append("\t@Produces(MediaType.APPLICATION_XML)\n");  
131.             sb.append("\tpublic long addEntity(" + table + " dto) throws Exception;\n\n");  
132.               
133.             sb.append("\t//删除实体\n");  
134.             sb.append("\t@GET\n");  
135.             sb.append("\t@Path(\"deleteEntity/{id}\")\n");  
136.             sb.append("\t@Produces(MediaType.APPLICATION_XML)\n");  
137.             sb.append("\tpublic boolean deleteEntity(@PathParam(\"id\") long id) throws Exception;\n\n");  
138.               
139.             sb.append("\t//修改实体\n");  
140.             sb.append("\t@POST\n");  
141.             sb.append("\t@Path(\"updateEntity\")\n");  
142.             sb.append("\t@Produces(MediaType.APPLICATION_XML)\n");  
143.             sb.append("\tpublic long updateEntity(" + table + " dto) throws Exception;\n\n");  
144.               
145.             sb.append("\t//查询实体\n");  
146.             sb.append("\t@POST\n");  
147.             sb.append("\t@Path(\"findEntity\")\n");  
148.             sb.append("\t@Produces(MediaType.APPLICATION_XML)\n");  
149.             sb.append("\tpublic "+table+" findEntity(" + table + " dto) throws Exception;\n\n");  
150.               
151.             sb.append("\t//查询实体List\n");  
152.             sb.append("\t@POST\n");  
153.             sb.append("\t@Path(\"findEntityList\")\n");  
154.             sb.append("\t@Produces(MediaType.APPLICATION_XML)\n");  
155.             sb.append("\tpublic List<"+table+"> findEntityList(" + table + " dto) throws Exception;\n\n");  
156.               
157.             sb.append("}\n");  
158.             outputToFile(className+".java", sb.toString());  
159.         }  
160.     }  
161.       
162.     public static void main(String[] agrs) {  
163.         GenerateService aa = new GenerateService();  
164.         aa.getService();  
165.     }  
166.   
167. }  

mybatis接口

[java] view plain copy

1. package com.csair.test;  
2.   
3. import java.io.FileNotFoundException;  
4. import java.io.FileOutputStream;  
5. import java.io.IOException;  
6. import java.io.OutputStream;  
7. import java.sql.Connection;  
8. import java.sql.DatabaseMetaData;  
9. import java.sql.DriverManager;  
10. import java.sql.ResultSet;  
11. import java.sql.SQLException;  
12. import java.util.ArrayList;  
13. import java.util.List;  
14.   
15. public class GenerateMybatisRepository {  
16.   
17.     private String url = "jdbc:mysql://localhost:3306/database";  
18.     private String username = "root";  
19.     private String password = "root";  
20.     private String driverClass = "com.mysql.jdbc.Driver";  
21.     private DatabaseMetaData dbMetaData = null;  
22.     private String packageName = "com.csair.test.mybatisRepository;";  
23.     private String packageNameDto = "com.csair.test.dto";  
24.     private String path = "C:\\Users\\ppt\\Desktop\\test\\";  
25.       
26.     public GenerateMybatisRepository() {  
27.         try {  
28.             Class.forName(driverClass);  
29.             Connection conn = DriverManager.getConnection(url, username, password);  
30.             dbMetaData = conn.getMetaData();  
31.         } catch(Exception e) {  
32.             e.printStackTrace();  
33.         }  
34.     }  
35.         
36.     /** 
37.      * @Description: 获取所有的表 
38.      * @author: ppt 
39.      * @date: 2015-3-16 上午10:12:57 
40.      * @return: void 
41.      */  
42.     public List<String> getAllTableList() {    
43.         List<String> tableList = new ArrayList<String>();  
44.         try {    
45.             String[] types = { "TABLE" };    
46.             ResultSet rs = dbMetaData.getTables(null, null, "%", types);    
47.             while (rs.next()) {    
48.                 String tableName = rs.getString("TABLE_NAME");  //表名   
49.                 tableList.add(tableName);  
50.             }    
51.         } catch (SQLException e) {    
52.             e.printStackTrace();    
53.         }  
54.         return tableList;  
55.     }    
56.       
57.      /**  
58.      * 处理字符串，去掉下划线“_”，并且把下划线的下一个字符变大写，flag为true，表示首字母要大写  
59.      * @param name  
60.      * @param flag  
61.      * @return  
62.      */    
63.     private String getFormatString(String name, boolean flag) {    
64.         name = name.toLowerCase();    
65.         String[] nameTemp = name.split("_");    
66.         StringBuffer buffer = new StringBuffer();    
67.         for(String str : nameTemp) {    
68.             String head = str.substring(0, 1).toUpperCase();    
69.             String tail = str.substring(1);    
70.             buffer.append(head+tail);    
71.         }    
72.         StringBuffer result = null;    
73.         if(!flag) {    
74.             result = new StringBuffer();    
75.             String head = buffer.substring(0, 1).toLowerCase();    
76.             String tail = buffer.substring(1);    
77.             result.append(head+tail);    
78.             return result.toString();    
79.         }    
80.         return buffer.toString();    
81.     }    
82.     /**  
83.      * 把String内容写到文件  
84.      * @param fileName  
85.      * @param content  
86.      */    
87.     private void outputToFile(String fileName, String content) {    
88.         OutputStream os = null;    
89.         try {    
90.             os = new FileOutputStream(path+fileName);    
91.         } catch (FileNotFoundException e1) {    
92.             e1.printStackTrace();    
93.         }    
94.         byte[] b = content.getBytes();    
95.         try {    
96.             os.write(b);    
97.             os.flush();    
98.         } catch (IOException e) {    
99.             e.printStackTrace();    
100.         } finally {    
101.             try {    
102.                 os.close();    
103.             } catch (IOException e) {    
104.                 e.printStackTrace();    
105.             }    
106.         }    
107.     }    
108.       
109.     private void getService() {  
110.         List<String> tableList = getAllTableList();  
111.         for(String tableName : tableList) {  
112.             String table = getFormatString(tableName, true);  
113.             String className = table + "MybatisDao";  
114.             String dto = table;  
115.             StringBuffer sb = new StringBuffer();  
116.             sb.append("package " + packageName + "\n\n");  
117.             sb.append("import " + packageNameDto + "." + dto + ";\n");  
118.             sb.append("import java.util.List;\n");  
119.             sb.append("\npublic interface " + className + " {\n\n");  
120.               
121.             sb.append("\tpublic long addEntity(" + table + " dto);\n\n");  
122.               
123.             sb.append("\tpublic boolean deleteEntity(long id);\n\n");  
124.               
125.             sb.append("\tpublic long updateEntity(" + table + " dto);\n\n");  
126.               
127.             sb.append("\tpublic "+table+" findEntity(" + table + " dto);\n\n");  
128.               
129.             sb.append("\tpublic List<"+table+"> findEntityList(" + table + " dto);\n\n");  
130.               
131.             sb.append("}\n");  
132. //          System.out.println(sb.toString());  
133.             outputToFile(className+".java", sb.toString());  
134.         }  
135.     }  
136.       
137.     public static void main(String[] agrs) {  
138.         GenerateMybatisRepository aa = new GenerateMybatisRepository();  
139.         aa.getService();  
140.     }  
141.   
142.   
143. }  

实现impl

[java] view plain copy

1. package com.csair.test;  
2.   
3. import java.io.FileNotFoundException;  
4. import java.io.FileOutputStream;  
5. import java.io.IOException;  
6. import java.io.OutputStream;  
7. import java.sql.Connection;  
8. import java.sql.DatabaseMetaData;  
9. import java.sql.DriverManager;  
10. import java.sql.ResultSet;  
11. import java.sql.SQLException;  
12. import java.util.ArrayList;  
13. import java.util.List;  
14.   
15. import org.springframework.beans.factory.annotation.Autowired;  
16.   
17. public class GenerateServiceImpl {  
18.   
19.     private String url = "jdbc:mysql://localhost:3306/database";  
20.     private String username = "root";  
21.     private String password = "root";  
22.     private String driverClass = "com.mysql.jdbc.Driver";  
23.     private DatabaseMetaData dbMetaData = null;  
24.     private String packageName = "com.csair.test.service.impl;";  
25.     private String packageNameService = "com.csair.test.service";  
26.     private String packageNameDto = "com.csair.test.dto";  
27.     private String packageNameMybatis = "com.csair.test.mybatisRepository";  
28.     private String path = "C:\\Users\\ppt\\Desktop\\test\\";  
29.       
30.     public GenerateServiceImpl() {  
31.         try {  
32.             Class.forName(driverClass);  
33.             Connection conn = DriverManager.getConnection(url, username, password);  
34.             dbMetaData = conn.getMetaData();  
35.         } catch(Exception e) {  
36.             e.printStackTrace();  
37.         }  
38.     }  
39.         
40.     /** 
41.      * @Description: 获取所有的表 
42.      * @author: ppt 
43.      * @date: 2015-3-16 上午10:12:57 
44.      * @return: void 
45.      */  
46.     public List<String> getAllTableList() {    
47.         List<String> tableList = new ArrayList<String>();  
48.         try {    
49.             String[] types = { "TABLE" };    
50.             ResultSet rs = dbMetaData.getTables(null, null, "%", types);    
51.             while (rs.next()) {    
52.                 String tableName = rs.getString("TABLE_NAME");  //表名   
53.                 tableList.add(tableName);  
54.             }    
55.         } catch (SQLException e) {    
56.             e.printStackTrace();    
57.         }  
58.         return tableList;  
59.     }    
60.       
61.      /**  
62.      * 处理字符串，去掉下划线“_”，并且把下划线的下一个字符变大写，flag为true，表示首字母要大写  
63.      * @param name  
64.      * @param flag  
65.      * @return  
66.      */    
67.     private String getFormatString(String name, boolean flag) {    
68.         name = name.toLowerCase();    
69.         String[] nameTemp = name.split("_");    
70.         StringBuffer buffer = new StringBuffer();    
71.         for(String str : nameTemp) {    
72.             String head = str.substring(0, 1).toUpperCase();    
73.             String tail = str.substring(1);    
74.             buffer.append(head+tail);    
75.         }    
76.         StringBuffer result = null;    
77.         if(!flag) {    
78.             result = new StringBuffer();    
79.             String head = buffer.substring(0, 1).toLowerCase();    
80.             String tail = buffer.substring(1);    
81.             result.append(head+tail);    
82.             return result.toString();    
83.         }    
84.         return buffer.toString();    
85.     }    
86.     /**  
87.      * 把String内容写到文件  
88.      * @param fileName  
89.      * @param content  
90.      */    
91.     private void outputToFile(String fileName, String content) {    
92.         OutputStream os = null;    
93.         try {    
94.             os = new FileOutputStream(path+fileName);    
95.         } catch (FileNotFoundException e1) {    
96.             e1.printStackTrace();    
97.         }    
98.         byte[] b = content.getBytes();    
99.         try {    
100.             os.write(b);    
101.             os.flush();    
102.         } catch (IOException e) {    
103.             e.printStackTrace();    
104.         } finally {    
105.             try {    
106.                 os.close();    
107.             } catch (IOException e) {    
108.                 e.printStackTrace();    
109.             }    
110.         }    
111.     }    
112.       
113.     private void getServiceImpl() {  
114.         List<String> tableList = getAllTableList();  
115.         for(String tableName : tableList) {  
116.             String table = getFormatString(tableName, true);  
117.             String mybatis = table + "MybatisDao";  
118.             String dto = table;  
119.             String service = table + "Service";  
120.             String className = service + "Impl";  
121.             StringBuffer sb = new StringBuffer();  
122.             sb.append("package " + packageName + "\n\n");  
123.             sb.append("import " + packageNameDto + "." + dto + ";\n");  
124.             sb.append("import " + packageNameMybatis + "." + mybatis + ";\n");  
125.             sb.append("import " + packageNameService + "." + service + ";\n");  
126.             sb.append("import org.apache.log4j.Logger;\n");  
127.             sb.append("import org.springframework.beans.factory.annotation.Autowired;\n");  
128.             sb.append("import org.springframework.stereotype.Service;\n");  
129.             sb.append("import java.util.List;\n");  
130.             sb.append("@Service(\""+service.substring(0,1).toLowerCase()+service.substring(1)+"\")\n");  
131.             sb.append("public class " + className + " implements "+ service +" {\n\n");  
132.               
133.             sb.append("\tprivate Logger log = Logger.getLogger("+className+".class);\n");  
134.             String instance = mybatis.substring(0,1).toLowerCase() + mybatis.substring(1);  
135.             sb.append("\t@Autowired\n");  
136.             sb.append("\tprivate "+mybatis+" " + instance +";\n");  
137.               
138.             sb.append("\t@Override\n");  
139.             sb.append("\tpublic long addEntity(" + table + " dto) throws Exception {\n");  
140.             sb.append("\t\ttry {\n");  
141.             sb.append("\t\t\tlog.info(\"addEntity\");\n");  
142.             sb.append("\t\t\t"+instance+".addEntity(dto);\n");  
143.             sb.append("\t\t\treturn 0;\n");  
144.             sb.append("\t\t} catch(Exception e) {\n");  
145.             sb.append("\t\t\tlog.info(\"addEntity异常\");\n");  
146.             sb.append("\t\t\te.printStackTrace();\n");  
147.             sb.append("\t\t\tthrow e;\n");  
148.             sb.append("\t\t}\n");  
149.             sb.append("\t}\n");  
150.               
151.             sb.append("\t@Override\n");  
152.             sb.append("\tpublic boolean deleteEntity(long id) throws Exception {\n");  
153.             sb.append("\t\ttry {\n");  
154.             sb.append("\t\t\tlog.info(\"deleteEntity\");\n");  
155.             sb.append("\t\t\t"+instance+".deleteEntity(id);\n");  
156.             sb.append("\t\t\treturn false;\n");  
157.             sb.append("\t\t} catch(Exception e) {\n");  
158.             sb.append("\t\t\tlog.info(\"deleteEntity异常\");\n");  
159.             sb.append("\t\t\te.printStackTrace();\n");  
160.             sb.append("\t\t\tthrow e;\n");  
161.             sb.append("\t\t}\n");  
162.             sb.append("\t}\n");  
163.               
164.             sb.append("\t@Override\n");  
165.             sb.append("\tpublic long updateEntity(" + table + " dto) throws Exception {\n");  
166.             sb.append("\t\ttry {\n");  
167.             sb.append("\t\t\tlog.info(\"updateEntity\");\n");  
168.             sb.append("\t\t\t"+instance+".updateEntity(dto);\n");  
169.             sb.append("\t\t\treturn 0;\n");  
170.             sb.append("\t\t} catch(Exception e) {\n");  
171.             sb.append("\t\t\tlog.info(\"updateEntity异常\");\n");  
172.             sb.append("\t\t\te.printStackTrace();\n");  
173.             sb.append("\t\t\tthrow e;\n");  
174.             sb.append("\t\t}\n");  
175.             sb.append("\t}\n");  
176.               
177.             sb.append("\t@Override\n");  
178.             sb.append("\tpublic "+table+" findEntity(" + table + " dto) throws Exception {\n");  
179.             sb.append("\t\ttry {\n");  
180.             sb.append("\t\t\tlog.info(\"findEntity\");\n");  
181.             sb.append("\t\t\treturn "+instance+".findEntity(dto);\n");  
182.             sb.append("\t\t} catch(Exception e) {\n");  
183.             sb.append("\t\t\tlog.info(\"findEntity异常\");\n");  
184.             sb.append("\t\t\te.printStackTrace();\n");  
185.             sb.append("\t\t\tthrow e;\n");  
186.             sb.append("\t\t}\n");  
187.             sb.append("\t}\n");  
188.               
189.             sb.append("\t@Override\n");  
190.             sb.append("\tpublic List<"+table+"> findEntityList(" + table + " dto) throws Exception {\n");  
191.             sb.append("\t\ttry {\n");  
192.             sb.append("\t\t\tlog.info(\"findEntityList\");\n");  
193.             sb.append("\t\t\treturn "+instance+".findEntityList(dto);\n");  
194.             sb.append("\t\t} catch(Exception e) {\n");  
195.             sb.append("\t\t\tlog.info(\"findEntityList异常\");\n");  
196.             sb.append("\t\t\te.printStackTrace();\n");  
197.             sb.append("\t\t\tthrow e;\n");  
198.             sb.append("\t\t}\n");  
199.             sb.append("\t}\n");  
200.               
201.             sb.append("}\n");  
202. //          System.out.println(sb.toString());  
203.             outputToFile(className+".java", sb.toString());  
204.         }  
205.     }  
206.       
207.     public static void main(String[] agrs) {  
208.         GenerateServiceImpl aa = new GenerateServiceImpl();  
209.         aa.getServiceImpl();  
210.     }  
211.   
212. }  

生成mybatis的实现xml文件

[java] view plain copy

1. package com.csair.test;  
2.   
3. import java.io.FileNotFoundException;  
4. import java.io.FileOutputStream;  
5. import java.io.IOException;  
6. import java.io.OutputStream;  
7. import java.sql.Connection;  
8. import java.sql.DatabaseMetaData;  
9. import java.sql.DriverManager;  
10. import java.sql.ResultSet;  
11. import java.sql.SQLException;  
12. import java.util.ArrayList;  
13. import java.util.List;  
14.   
15. public class GenerateMybatisXml {  
16.   
17.     private String url = "jdbc:mysql://localhost:3306/jdz";  
18.     private String username = "root";  
19.     private String password = "root";  
20.     private String driverClass = "com.mysql.jdbc.Driver";  
21.     private DatabaseMetaData dbMetaData = null;  
22.     private String packageNameMybatisDao = "com.csair.test.mybatisRepository";  
23. //  private String path = "C:\\Users\\ppt\\Desktop\\test\\";  
24.     private String path = "D:\\ppt\\workspace\\shop\\shopserver\\src\\test\\java\\com\\csair\\test\\xml\\";  
25.       
26.     /** 
27.      * @Description: 获取表对应的所有列 
28.      * @author: ppt 
29.      * @date: 2015-3-16 上午10:13:17 
30.      * @param tableName 
31.      * @return: void 
32.      */  
33.     public void getTableColumns(String tableName) {  
34.         try {  
35.             ResultSet resultSetColumn = dbMetaData.getColumns(null, null,  
36.                     tableName, null);  
37.             String className = getFormatString(tableName, true);//表名  
38.             String fileName = className + "Mapper";//文件名  
39.             String thisFileName = className + "MybatisDao";//接口地址  
40.             StringBuffer header = new StringBuffer(  
41.                     "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n");  
42.             header.append("<!DOCTYPE mapper PUBLIC \"-//mybatis.org//DTD Mapper 3.0//EN\" \"http://mybatis.org/dtd/mybatis-3-mapper.dtd\">\n");  
43.             header.append("<mapper namespace=\"");  
44.             header.append(packageNameMybatisDao+"."+thisFileName);  
45.             header.append("\">\n\n");  
46.             StringBuffer footer = new StringBuffer("\n</mapper>");  
47.             StringBuffer add = new StringBuffer();  
48.             //增加数据  
49.             add.append("\t<insert id=\"addEntity\" parameterType=\""+className+"\">\n");  
50.             String insert = "\t\tinsert into " + tableName + "(";  
51.             String column = "";  
52.             String values = "";  
53.             //删除数据  
54.             StringBuffer delete = new StringBuffer();  
55.             delete.append("\t<update id=\"deleteEntity\" parameterType=\"long\">\n");  
56.             delete.append("\t\tupdate " + tableName + " set status = -1 where id = #{id}\n");  
57.             delete.append("\t</update>\n\n");  
58.             //更新数据  
59.             StringBuffer update = new StringBuffer();  
60.             String updateConent = "";  
61.             update.append("\t<update id=\"updateEntity\" parameterType=\""+className+"\">\n");  
62.             update.append("\t\tupdate " + tableName + " set ");  
63.             //查找数据  
64.             StringBuffer select = new StringBuffer();  
65.             select.append("\t<select id=\"findEntity\" parameterType=\""+className+"\" resultType=\""+className+"\">\n");  
66.             String selectContent = "\t\tselect\n";  
67.             //查找数据list  
68.             StringBuffer selectList = new StringBuffer();  
69.             selectList.append("\t<select id=\"findEntityList\" parameterType=\""+className+"\" resultType=\""+className+"\">\n");  
70.             while (resultSetColumn.next()) {  
71.                 String columnName = resultSetColumn.getString("COLUMN_NAME");  
72.                 String oldColumnName = columnName;  
73.                 columnName = this.getFormatString(columnName, false);  
74.                 //增加数据  
75.                 if("ID".equals(columnName.toUpperCase())) {  
76.                     continue;  
77.                 }  
78.                 column += columnName +",";  
79.                 values += "#{" + columnName + "},";  
80.                 //删除数据  
81.                   
82.                 //更新数据  
83.                 updateConent += columnName + "=#{" + columnName +"},";  
84.                 //查找数据  
85.                 selectContent += "\t\t"+oldColumnName + " AS " + columnName + ",\n";  
86.             }  
87.             selectContent = selectContent.substring(0, selectContent.length()-2);  
88.             selectContent += "\n\t\tfrom " + tableName + "\n";  
89.             select.append(selectContent);  
90.             select.append("\t</select>\n\n");  
91.             selectList.append(selectContent);  
92.             selectList.append("\t</select>\n\n");  
93.             updateConent = updateConent.substring(0,updateConent.length()-1);  
94.             update.append(updateConent);  
95.             update.append(" where id = #{id}\n");  
96.             update.append("\t</update>\n\n");  
97.             column = column.substring(0, column.length()-1);  
98.             values = values.substring(0,values.length()-1);  
99.             String statement = insert + column + ") values(" + values + ")\n";  
100.             add.append(statement);  
101.             add.append("\t</insert>\n\n");  
102.             header.append(add);  
103.             header.append(delete);  
104.             header.append(update);  
105.             header.append(select);  
106.             header.append(selectList);  
107.             header.append(footer);  
108. //          System.out.println(header.toString());  
109.              this.outputToFile(fileName+".xml", header.toString());   
110.         } catch (SQLException e) {  
111.             e.printStackTrace();  
112.         }  
113.     }  
114.       
115.     public GenerateMybatisXml() {  
116.         try {  
117.             Class.forName(driverClass);  
118.             Connection conn = DriverManager.getConnection(url, username, password);  
119.             dbMetaData = conn.getMetaData();  
120.         } catch(Exception e) {  
121.             e.printStackTrace();  
122.         }  
123.     }  
124.         
125.     /** 
126.      * @Description: 获取所以的表 
127.      * @author: ppt 
128.      * @date: 2015-3-16 上午10:12:57 
129.      * @return: void 
130.      */  
131.     public List<String> getAllTableList() {    
132.         List<String> tableList = new ArrayList<String>();  
133.         try {    
134.             String[] types = { "TABLE" };    
135.             ResultSet rs = dbMetaData.getTables(null, null, "%", types);    
136.             while (rs.next()) {    
137.                 String tableName = rs.getString("TABLE_NAME");  //表名   
138.                 tableList.add(tableName);  
139.             }    
140.         } catch (SQLException e) {    
141.             e.printStackTrace();    
142.         }  
143.         return tableList;  
144.     }    
145.       
146.      /**  
147.      * 处理字符串，去掉下划线“_”，并且把下划线的下一个字符变大写，flag为true，表示首字母要大写  
148.      * @param name  
149.      * @param flag  
150.      * @return  
151.      */    
152.     private String getFormatString(String name, boolean flag) {    
153.         name = name.toLowerCase();    
154.         String[] nameTemp = name.split("_");    
155.         StringBuffer buffer = new StringBuffer();    
156.         for(String str : nameTemp) {    
157.             String head = str.substring(0, 1).toUpperCase();    
158.             String tail = str.substring(1);    
159.             buffer.append(head+tail);    
160.         }    
161.         StringBuffer result = null;    
162.         if(!flag) {    
163.             result = new StringBuffer();    
164.             String head = buffer.substring(0, 1).toLowerCase();    
165.             String tail = buffer.substring(1);    
166.             result.append(head+tail);    
167.             return result.toString();    
168.         }    
169.         return buffer.toString();    
170.     }    
171.     /**  
172.      * 把String内容写到文件  
173.      * @param fileName  
174.      * @param content  
175.      */    
176.     private void outputToFile(String fileName, String content) {    
177.         OutputStream os = null;    
178.         try {    
179.             os = new FileOutputStream(path+fileName);    
180.         } catch (FileNotFoundException e1) {    
181.             e1.printStackTrace();    
182.         }    
183.         byte[] b = content.getBytes();    
184.         try {    
185.             os.write(b);    
186.             os.flush();    
187.         } catch (IOException e) {    
188.             e.printStackTrace();    
189.         } finally {    
190.             try {    
191.                 os.close();    
192.             } catch (IOException e) {    
193.                 e.printStackTrace();    
194.             }    
195.         }    
196.     }    
197.       
198.       
199.     public static void main(String[] agrs) {  
200.         GenerateMybatisXml aa = new GenerateMybatisXml();  
201.         List<String> tableList = aa.getAllTableList();  
202.         for(String tableName : tableList) {  
203.             aa.getTableColumns(tableName);  
204.         }  
205. //      aa.getTableColumns("loan_info");  
206.     }  
207.       
208.       
209.       
210.   
211. }