请使用mysql-connector-java-5.1.22.jar或更新的版本。
package org.crashxun.controller;import java.io.IOException;import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.Statement;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;public class MySQLBasic extends HttpServlet { @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { Connection connection = null; Statement stmt = null; ResultSet rs = null; String sql = null; try { /***** 1. 填写数据库相关信息(请查找数据库详情页) *****/ String databaseName = " eiZrxDYAgZRYcJuTRljT "; String host = "sqld.duapp.com"; String port = "4050"; String username = " urtgxzMPVigNEtOQF7yzg7C9";// 用户名(api key); String password = "1e0jDqkZ7fUwNgFD5LzwPY4YAQURFGYM";// 密码(secret // key) String driverName = "com.mysql.jdbc.Driver"; String dbUrl = "jdbc:mysql://"; String serverName = host + ":" + port + "/"; String connName = dbUrl + serverName + databaseName; /****** 2. 接着连接并选择数据库名为databaseName的服务器 ******/ Class.forName(driverName); connection = DriverManager.getConnection(connName, username, password); stmt = connection.createStatement(); /* 至此连接已完全建立，就可对当前数据库进行相应的操作了 */ /* 3. 接下来就可以使用其它标准mysql函数操作进行数据库操作 */ // 创建一个数据库表 sql = "create table if not exists test_mysql(" + "id int primary key auto_increment," + "no int, " + "name varchar(1024)," + "key idx_no(no))"; stmt.execute(sql); } catch (Exception e) { e.printStackTrace(resp.getWriter()); } }} 
