仿mybatis逆向工程

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/** *  */package com.b510.base.bean.install;import java.io.File;import java.io.FileWriter;import java.text.SimpleDateFormat;import java.util.Date;/** * @author hongten(hongtenzone@foxmail.com) * @date 2013-2-24 */@SuppressWarnings("unchecked")public class BeanUtils {            //公共部分    private static final String RT_1 = "\r\n";    private static final String RT_2 = RT_1+RT_1;    private static final String BLANK_1 =" ";    private static final String BLANK_4 ="    ";    private static final String BLANK_8 =BLANK_4 + BLANK_4;                //注释部分    private static final String ANNOTATION_AUTHOR_PARAMTER = "@author ";    private static final String ANNOTATION_AUTHOR_NAME = "hongten(hongtenzone@foxmail.com)";    private static final String ANNOTATION_AUTHOR = ANNOTATION_AUTHOR_PARAMTER + ANNOTATION_AUTHOR_NAME;    private static final String ANNOTATION_DATE = "@date ";    private static final String ANNOTATION = "/**"+RT_1+BLANK_1+"*"+BLANK_1+ANNOTATION_AUTHOR +RT_1+BLANK_1+"*"+BLANK_1+ANNOTATION_DATE +getDate()+RT_1+BLANK_1+"*/"+RT_1;            //文件 地址    //private static final String BEAN_PATH = "com/b510/base/bean";    private static final String DAO_PATH = "com/b510/base/dao";    private static final String DAO_IMPL_PATH = "com/b510/base/dao/impl";    private static final String SERVICE_PATH = "com/b510/base/service";    private static final String SERVICE_IMPL_PATH = "com/b510/base/service/impl";            //包名    private static final String BEAN_URL = "com.b510.base.bean";    private static final String DAO_URL = "com.b510.base.dao";    private static final String DAO_IMPL_URL = "com.b510.base.dao.impl";    private static final String SERVICE_URL = "com.b510.base.service";    private static final String SERVICE_IMPL_URL = "com.b510.base.service.impl";    //基本类名称    private static final String BASE_DAO_NAME = DAO_URL + ".BaseDao";    private static final String ABSTRACT_BASE_DAO_IMPL_NAME = DAO_IMPL_URL + ".AbstractBaseDaoImpl";    private static final String BASE_SERVICE_NAME = SERVICE_URL + ".BaseService";    private static final String ABSTRACT_BASE_SERVICE_IMPL_NAME = SERVICE_IMPL_URL + ".AbstractBaseServiceImpl";            /**     * 创建bean的Dao<br>     *      * @param c     * @throws Exception     */    public void createBeanDao(Class c) throws Exception {        String cName = c.getName();        String fileName = System.getProperty("user.dir") + "/src/" + DAO_PATH                + "/" + getLastChar(cName) + "Dao.java";        File f = new File(fileName);        FileWriter fw = new FileWriter(f);        fw.write("package "+DAO_URL+";"+RT_2+ANNOTATION+"public interface " +                 getLastChar(cName) + "Dao extends "+BASE_DAO_NAME+" <" + cName + "> {"+RT_2+"}");        fw.flush();        fw.close();        showInfo(fileName);    }    /**     * 创建bean的Dao的实现类     * @param c     * @throws Exception     */    public void createBeanDaoImpl(Class c) throws Exception{        String cName = c.getName();        String fileName = System.getProperty("user.dir") + "/src/" + DAO_IMPL_PATH                + "/" + getLastChar(cName) + "DaoImpl.java";        File f = new File(fileName);        FileWriter fw = new FileWriter(f);        fw.write("package "+DAO_IMPL_URL+";"+RT_2+ANNOTATION+"public class " +                 getLastChar(cName) + "DaoImpl extends "+ABSTRACT_BASE_DAO_IMPL_NAME+"<" +                 cName + "> implements "+DAO_URL+"."+getLastChar(cName)+"Dao{"+RT_2+"}");        fw.flush();        fw.close();        showInfo(fileName);    }                /**     * 创建bean的service     * @param c     * @throws Exception     */    public void createBeanService(Class c) throws Exception{        String cName = c.getName();        String fileName = System.getProperty("user.dir") + "/src/" + SERVICE_PATH                + "/" + getLastChar(cName) + "Service.java";        File f = new File(fileName);        FileWriter fw = new FileWriter(f);        fw.write("package "+SERVICE_URL+";"+RT_2+ANNOTATION+"public interface " +                 getLastChar(cName) + "Service extends "+BASE_SERVICE_NAME+"<"+ cName +">{"+RT_2+"}");        fw.flush();        fw.close();        showInfo(fileName);    }        /**     * 创建bean的service的实现类     * @param c     * @throws Exception     */    public void createBeanServiceImpl(Class c) throws Exception{        String cName = c.getName();        String fileName = System.getProperty("user.dir") + "/src/" + SERVICE_IMPL_PATH                 + "/" +getLastChar(cName)+"ServiceImpl.java";        File f = new File(fileName);        FileWriter fw = new FileWriter(f);        fw.write("package "+SERVICE_IMPL_URL+";"+RT_2+ANNOTATION+"public class "                 + getLastChar(cName) + "ServiceImpl extends "+ABSTRACT_BASE_SERVICE_IMPL_NAME+"<"+ cName                 + "> implements "+SERVICE_URL+"."+getLastChar(cName)+"Service{"+RT_2+BLANK_4                +"private "+DAO_URL+"."+getLastChar(cName)+"Dao "+getLowercaseChar(getLastChar(cName))                +"Dao;"+RT_2+BLANK_4+"public void set"+getLastChar(cName)+"Dao("+DAO_URL+"."+getLastChar(cName)+"Dao "                +getLowercaseChar(getLastChar(cName))+"Dao){"+RT_1+BLANK_8+"this."+getLowercaseChar(getLastChar(cName))+"Dao = "                +getLowercaseChar(getLastChar(cName))+"Dao;"+RT_1+BLANK_4+"}"+RT_2+BLANK_4+"@Override"+RT_1+BLANK_4                +"public "+DAO_URL+"."+"BaseDao<"+BEAN_URL+"."+getLastChar(cName)+"> getBaseDao(){"+RT_1+BLANK_8                +"return "+getLowercaseChar(getLastChar(cName))+"Dao;"+RT_1+BLANK_4+"}"+RT_2+"}");        fw.flush();        fw.close();        showInfo(fileName);    }        /**     * 获取路径的最后面字符串<br>     * 如：<br>     *     <code>str = "com.b510.base.bean.User"</code><br>     *     <code> return "User";<code>     * @param str     * @return     */    public String getLastChar(String str) {        if ((str != null) && (str.length() > 0)) {            int dot = str.lastIndexOf('.');            if ((dot > -1) && (dot < (str.length() - 1))) {                return str.substring(dot + 1);            }        }        return str;    }        /**     * 把第一个字母变为小写<br>     * 如：<br>     *     <code>str = "UserDao";</code><br>     *     <code>return "userDao";</code>     * @param str     * @return     */    public String getLowercaseChar(String str){        return str.substring(0,1).toLowerCase()+str.substring(1);    }    /**     * 显示信息     * @param info     */    public void showInfo(String info){        System.out.println("创建文件："+ info+ "成功！");    }        /**     * 获取系统时间     * @return     */    public static String getDate(){        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");        return simpleDateFormat.format(new Date());    }}
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