直接上代码吧！
[java]
package com.insigma.zd.group4.liuchao.jdbc;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
public class TestJDBC {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
//定义mysql数据库驱动类
String driver = "com.mysql.jdbc.Driver";
//连接字符串
String url = "jdbc:mysql://localhost:3306/test";
//用户名
String username = "root";
//密码
String password = "1234";
try {
//加载数据库驱动程序
Class.forName(driver);
//获得连接 www.2cto.com
Connection conn = DriverManager.getConnection(url, username, password);
System.out.println(conn);
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}