<dependency>

            <groupId>mysql</groupId>

            <artifactId>mysql-connector-java</artifactId>

            <version>5.1.25</version>

        </dependency>

DROP TABLE IF EXISTS `tb_user`;

CREATE TABLE `tb_user` (

  `id` int(11) NOT NULL AUTO_INCREMENT,

  `username` varchar(20) DEFAULT NULL,

  `password` varchar(20) DEFAULT NULL,

  `head_root` varchar(80) DEFAULT NULL,

  `realname` varchar(10) DEFAULT NULL,

  `netname` varchar(20) DEFAULT NULL,

  `email` varchar(20) DEFAULT NULL,

  `age` int(10) DEFAULT NULL,

  `sex` varchar(2) DEFAULT NULL,

  `birth_year` int(10) DEFAULT NULL,

  `birth_month` int(10) DEFAULT NULL,

  `birth_day` int(10) DEFAULT NULL,

  `addressid` int(11) DEFAULT NULL COMMENT '地址详细信息',

  `tall` double(11,0) DEFAULT NULL,

  `user_grade` varchar(10) DEFAULT NULL,

  `income` double(20,0) DEFAULT NULL,

  `marry` varchar(5) DEFAULT NULL,

  `marrySex` varchar(2) DEFAULT NULL,

  `gexingmsg` varchar(80) DEFAULT NULL,

  `vip` int(10) DEFAULT NULL,

  `money` int(11) DEFAULT NULL,

  `renzheng` varchar(10) DEFAULT NULL,

  `fenlei` varchar(10) DEFAULT NULL,

  `biaoqian` int(11) DEFAULT NULL,

  `user_black` int(11) DEFAULT NULL,

  `user_youhui` int(11) DEFAULT NULL,

  `user_work` varchar(10) DEFAULT NULL,

  `user_home` int(11) DEFAULT NULL,

  `user_car` int(11) DEFAULT NULL,

  PRIMARY KEY (`id`)

) ENGINE=InnoDB AUTO_INCREMENT=31 DEFAULT CHARSET=utf8;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.PreparedStatement;

import java.sql.ResultSet;

/**

 * @author Evan

 *

 */

public class JDBCTest {

    public static void main(String[] args) throws Exception {

        Connection connection = null;

        PreparedStatement prepareStatement = null;

        ResultSet rs = null;

        try {

            // 加载驱动

            Class.forName("com.mysql.jdbc.Driver");

            // 获取连接

            String url = "jdbc:mysql://127.0.0.1:3306/test";

            String user = "root";

            String password = "asplover";

            connection = DriverManager.getConnection(url, user, password);

            // 获取statement，preparedStatement

            String sql = "select * from tb_user where id=?";

            prepareStatement = connection.prepareStatement(sql);

            // 设置参数

            prepareStatement.setLong(1, 1);

            // 执行查询

            rs = prepareStatement.executeQuery();

            // 处理结果集

            while (rs.next()) {

                System.out.println("用户名："+rs.getString("userName"));

                System.out.println("密码为："+rs.getString("password"));

            }

        } finally {

            // 关闭连接，释放资源

            if (rs != null) {

                rs.close();

            }

            if (prepareStatement != null) {

                prepareStatement.close();

            }

            if (connection != null) {

                connection.close();

            }

        }

    }

}