数据库链接

package com.mysql;//自己的包名

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;

public class MysqlUtil {
	
	
	
	static {
		
		
		
		
		
	}

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		 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 = DriverManager.getConnection(
		          "jdbc:mysql://localhost:3306/mydatabase01","root","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 = connect.createStatement();
		      ResultSet rs = stmt.executeQuery("select * from student");
		                                                              //user 为你表的名称
		while (rs.next()) {
		        System.out.println(rs.getString("mathstore"));//mathstore 自己的列名
		      }
		    }
		    catch (Exception e) {
		      System.out.print("get data error!");
		      e.printStackTrace();
		    }

	}

}