易截截图软件、单文件、免安装、纯绿色、仅160KB

JAVA调用MYSQL存储过程

JAVA调用MYSQL存储过程
工程视图:
代码清单:
myconn.java
package org.apache.sh_mysql.test;
import java.sql.*;
public class MyConn {

private static final String DRIVER = "com.mysql.jdbc.Driver";
private static final String URL = "jdbc:mysql://localhost/test?useUnicode=true&characterEncoding=GBK";
private static final String USER = "root";
private static final String PASSWORD ="root";
static {
try {
Class.forName(DRIVER);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 获取连接
*
* @return
* @throws Exception
*/
public Connection getConnection() throws Exception {
return DriverManager.getConnection(URL, USER, PASSWORD);
}
/**
* 释放资源
*
* @param rs
* @param statement
* @param conn
*/
public void close(ResultSet rs, CallableStatement stmt, Connection conn) {
try{
if (rs != null) {
rs.close();
}
if (stmt != null) {
stmt.close();
}
if (conn != null) {
conn.close();
}
}catch(Exception e){
e.printStackTrace();
}
}
}

代码清单:
mytest.java
package org.apache.sh_mysql.test;
import java.sql.*;
public class MyTest {
MyConn c=new MyConn();

public void handleData() {
try {
Connection conn=c.getConnection();
CallableStatement call=conn.prepareCall("{call pro_stu_count(?)}");
call.registerOutParameter(1, Types.INTEGER);
call.execute();
int count=call.getInt(1);
System.out.println(count);

} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}
public static void main(String[] args) {
MyTest t=new MyTest();
t.handleData();

}
}


相关文档:

IBM FileNet Content Java API 简介

2008 年 6 月 24 日
原文地址: http://www.ibm.com/developerworks/cn/data/library/techarticles/dm-0806wangys/
本文介绍 IBM FileNet P8 4.0 Platform 提供的 Content Java API。首先对 FileNet P8 Content Engine 和 API 进行概要介绍, 并说明了一些基本概念,随后详细介绍了 FileNet Content Engine提供的基于 EJB ......

Java theory and practice

1. Multiply-Thread
Locks offer two primary features: mutual exclusion and visibility. Mutual exclusion means only one thread at a time may hold a given lock, so only one thread at a time will be using the shared data. Visibility is to ensure that changes made to shared data prior to releasing a lo ......

Java 五个有用的过滤器

五个有用的过滤器
一、使浏览器不缓存页面的过滤器    
import javax.servlet.*;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
* 用于的使 Browser 不缓存页面的过滤器
*/
public class ForceNoCacheFilter implements Filter { ......

Java开发工具快捷键

Ctrl+1 快速修复(最经典的快捷键,就不用多说了)
Ctrl+D: 删除当前行
Ctrl+Alt+↓ 复制当前行到下一行(复制增加)
Ctrl+Alt+↑ 复制当前行到上一行(复制增加)
Alt+↓ 当前行和下面一行交互位置(特别实用,可以省去先剪切,再粘贴了)
Alt+↑ 当前行和上面一行交互位置(同上)
Alt+← 前一个编辑的页面 ......
© 2009 ej38.com All Rights Reserved. 关于E健网联系我们 | 站点地图 | 赣ICP备09004571号