java与mysql数据库连接测试

package com.java;

import java.sql.DriverManager;

import com.mysql.jdbc.Connection;
import com.mysql.jdbc.ResultSet;
import com.mysql.jdbc.Statement;

public class TestMySql{

public static void main(String[] args){
try {
Class.forName("com.mysql.jdbc.Driver"); //加载MYSQL JDBC驱动程序
//Class.forName("org.gjt.mm.mysql.Driver");
System.out.println("Success loading Mysql Driver!");
}
catch (Exception e) {
System.out.print("Error loading Mysql Driver!");
e.printStackTrace();
}
try {
Connection connect = (Connection) DriverManager.getConnection(
"jdbc:mysql://localhost:3306/school","root","");
//连接URL为 jdbc:mysql//服务器地址/数据库名 ，后面的2个参数分别是登陆用户名和密码

System.out.println("Success connect Mysql server!");
Statement stmt = (Statement) connect.createStatement();
ResultSet rs = (ResultSet) stmt.executeQuery("select * from student");
//user 为你表的名称
while (rs.next()) {
System.out.print(" "+rs.getString("sno"));
System.out.print(" "+rs.getString("sname"));
System.out.print(" "+rs.getString("sdept"));
System.out.println(" "+rs.getString("sage"));

}
}
catch (Exception e) {
System.out.print("get data error!");
e.printStackTrace();
}
}

}