Java 学习笔记

        // TODO Auto-generated method stub
        //声明connection 对象
        Connection con;
        //驱动程序名
        String driver = "com.mysql.jdbc.Driver";
        //URL指向要访问的数据库名
        String url  = "jdbc:mysql://localhost:3306/sqltestdb";
        String user = "root";
        String password = "123456";
        try {
            //加载驱动程序
            Class.forName((driver));
            //1 .getConnection()方法连接MYSQL数据库；
            con = DriverManager.getConnection(url,user,password);