java基础-jdbc——三种方式加载驱动建立连接

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);
            */