String url = "jdbc:mysql://localhost:3306/student?Unicode=true&characterEncoding=utf-8";

             Properties info = new Properties();

             info.put("user", "canon");

             info.put("password", "123456");

             /**

              * 三种方式加载驱动建立连接

              */

             //方式1

             Driver driver = new com.mysql.jdbc.Driver();

             Connection connection = driver.connect(url, info);

             /*

             //方式2

             Driver driver = DriverManager.getDriver(url);

             connection = driver.connect(url, info);

             //方式3

             Class.forName(url);

             conn = DriverManager.getConnection(url, info);

             */