java对存储过程的调用

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A:不带输出参数的

create procedure getsum  @n int =0<--此处为参数-->  as declare @sum int<--定义变量-->  declare @i int set @sum=0  set @i=0  while @i<=@n begin set @sum=@sum+@i  set @i=@i+1  end print 'the sum is '+ltrim(rtrim(str(@sum))) 

在SQL中执行:

exec getsum 100

在JAVA中调用:

JAVA可以调用 但是在JAVA程序却不能去显示该存储过程的结果 因为上面的存储过程的参数类型int 传递方式是in(按值)方式

import java.sql.*;  public class ProcedureTest   {  public static void main(String args[]) throws Exception  {  //加载驱动  DriverManager.registerDriver(new sun.jdbc.odbc.JdbcOdbcDriver());  //获得连接  Connection conn=DriverManager.getConnection("jdbc:odbc:mydata","sa","");    //创建存储过程的对象  CallableStatement c=conn.prepareCall("{call getsum(?)}");   //给存储过程的参数设置值  c.setInt(1,100); //将第一个参数的值设置成100   //执行存储过程  c.execute();  conn.close();  }  }  

B:带输出参数的

1:返回int

alter procedure getsum  @n int =0,  @result int output as declare @sum int declare @i int set @sum=0  set @i=0  while @i<=@n begin set @sum=@sum+@i  set @i=@i+1  end set @result=@sum

在查询分析器中执行:

declare @myResult int exec getsum 100,@myResult output print @myResult 
在java中调用

import java.sql.*;  public class ProcedureTest   {  public static void main(String args[]) throws Exception  {  //加载驱动  DriverManager.registerDriver(new sun.jdbc.odbc.JdbcOdbcDriver());  //获得连接  Connection conn=DriverManager.getConnection("jdbc:odbc:mydata","sa","");    //创建存储过程的对象  CallableStatement c=conn.prepareCall("{call getsum(?,?)}");   //给存储过程的第一个参数设置值  c.setInt(1,100);   //注册存储过程的第二个参数  c.registerOutParameter(2,java.sql.Types.INTEGER);   //执行存储过程  c.execute();   //得到存储过程的输出参数值  System.out.println (c.getInt(2));  conn.close();  }  }  

2:返回varchar

存储过程带游标:

在存储过程中带游标 使用游标不停的遍历orderid

create procedure CursorIntoProcedure  @pname varchar(8000) output as --定义游标  declare cur cursor for select orderid from orders  --定义一个变量来接收游标的值  declare @v varchar(5)  --打开游标  open cur  set @pname=''--给@pname初值  --提取游标的值  fetch next from cur into @v  while @@fetch_status=0  begin   set @pname=@pname+';'+@v  fetch next from cur into @v  end print @pname  --关闭游标  close cur  --销毁游标  deallocate cur 
执行存储过程

exec CursorIntoProcedure ''

import java.sql.*;  public class ProcedureTest   {  public static void main(String args[]) throws Exception  {  //加载驱动  DriverManager.registerDriver(new sun.jdbc.odbc.JdbcOdbcDriver());  //获得连接  Connection conn=DriverManager.getConnection("jdbc:odbc:mydata","sa","");  CallableStatement c=conn.prepareCall("{call CursorIntoProcedure(?)}");    c.registerOutParameter(1,java.sql.Types.VARCHAR);   c.execute();   System.out.println (c.getString(1));  conn.close();  }  } 
C:删除数据的存储过程

创建表:

drop table 学生基本信息表  create table 学生基本信息表  (  StuID int primary key,  StuName varchar(10),  StuAddress varchar(20)  )  insert into 学生基本信息表 values(1,'三毛','wuhan')  insert into 学生基本信息表 values(2,'三毛','wuhan')  create table 学生成绩表  (  StuID int,  Chinese int,  PyhSics int foreign key(StuID) references 学生基本信息表(StuID)  on delete cascade  on update cascade  )   insert into 学生成绩表 values(1,99,100)  insert into 学生成绩表 values(2,99,100)        
创建存储过程
<pre name="code" class="sql">create procedure delePro  @StuID int as delete from 学生基本信息表 where StuID=@StuID  --创建完毕  exec delePro 1 --执行存储过程  --创建存储过程  create procedure selePro  as select * from 学生基本信息表  --创建完毕  exec selePro --执行存储过程                                                                                                          
java执行<pre name="code" class="java">
import java.sql.*;  public class ProcedureTest   {  public static void main(String args[]) throws Exception  {  //加载驱动  DriverManager.registerDriver(new sun.jdbc.odbc.JdbcOdbcDriver());  //获得连接  Connection conn=DriverManager.getConnection("jdbc:odbc:mydata","sa","");    //创建存储过程的对象  CallableStatement c=conn.prepareCall("{call delePro(?)}");   c.setInt(1,1);   c.execute();   c=conn.prepareCall("{call selePro}");  ResultSet rs=c.executeQuery();   while(rs.next())  {  String Stu=rs.getString("StuID");  String name=rs.getString("StuName");  String add=rs.getString("StuAddress");   System.out.println ("学号:"+" "+"姓名:"+" "+"地址");  System.out.println (Stu+" "+name+" "+add);  }  c.close();  }  } 

D:修改数据的存储过程

创建存储过程:

create procedure ModPro  @StuID int,  @StuName varchar(10)  as update 学生基本信息表 set StuName=@StuName where StuID=@StuID 

执行存储过程

exec ModPro 2,'四毛' 

java执行存储过程

import java.sql.*;  public class ProcedureTest   {  public static void main(String args[]) throws Exception  {  //加载驱动  DriverManager.registerDriver(new sun.jdbc.odbc.JdbcOdbcDriver());  //获得连接  Connection conn=DriverManager.getConnection("jdbc:odbc:mydata","sa","");    //创建存储过程的对象  CallableStatement c=conn.prepareCall("{call ModPro(?,?)}");   c.setInt(1,2);  c.setString(2,"美女");   c.execute();   c=conn.prepareCall("{call selePro}");  ResultSet rs=c.executeQuery();   while(rs.next())  {  String Stu=rs.getString("StuID");  String name=rs.getString("StuName");  String add=rs.getString("StuAddress");   System.out.println ("学号:"+" "+"姓名:"+" "+"地址");  System.out.println (Stu+" "+name+" "+add);  }  c.close();  }  } 

E:查询数据的存储过程(模糊查询)

存储过程:

create procedure FindCusts  @cust varchar(10)  as select customerid from orders where customerid   like '%'+@cust+'%' 

java调用存储过程:

import java.sql.*;  public class ProcedureTest   {  public static void main(String args[]) throws Exception  {  //加载驱动  DriverManager.registerDriver(new sun.jdbc.odbc.JdbcOdbcDriver());  //获得连接  Connection conn=DriverManager.getConnection("jdbc:odbc:mydata","sa","");    //创建存储过程的对象  CallableStatement c=conn.prepareCall("{call FindCusts(?)}");  c.setString(1,"Tom");   ResultSet rs=c.executeQuery();   while(rs.next())  {  String cust=rs.getString("customerid");   System.out.println (cust);  }  c.close();  }  } 

F:增加数据的存储过程

存储过程:

create procedure InsertPro  @StuID int,  @StuName varchar(10),  @StuAddress varchar(20)  as insert into 学生基本信息表 values(@StuID,@StuName,@StuAddress) 

java执行存储过程:

import java.sql.*;  public class ProcedureTest   {  public static void main(String args[]) throws Exception  {  //加载驱动  DriverManager.registerDriver(new sun.jdbc.odbc.JdbcOdbcDriver());  //获得连接  Connection conn=DriverManager.getConnection("jdbc:odbc:mydata","sa","");    //创建存储过程的对象  CallableStatement c=conn.prepareCall("{call InsertPro(?,?,?)}");  c.setInt(1,6);  c.setString(2,"Liu");  c.setString(3,"wuhan");   c.execute();   c=conn.prepareCall("{call selePro}");  ResultSet rs=c.executeQuery();   while(rs.next())  {  String stuid=rs.getString("StuID");   String name=rs.getString("StuName");   String address=rs.getString("StuAddress");   System.out.println (stuid+" "+name+" "+address);  }  c.close();  }  } 
G:在JAVA中创建存储过程 并且在JAVA中直接调用
import java.sql.*;  public class ProcedureTest   {  public static void main(String args[]) throws Exception  {  //加载驱动  DriverManager.registerDriver(new sun.jdbc.odbc.JdbcOdbcDriver());  //获得连接  Connection conn=DriverManager.getConnection("jdbc:odbc:mydata","sa","");    Statement stmt=conn.createStatement();  //在JAVA中创建存储过程  stmt.executeUpdate("create procedure OOP as select * from 学生成绩表");    CallableStatement c=conn.prepareCall("{call OOP}");   ResultSet rs=c.executeQuery();  while(rs.next())  {  String chinese=rs.getString("Chinese");   System.out.println (chinese);  }  conn.close();   }  }  

原文链接:http://developer.51cto.com/art/201203/321033.htm

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