public static Connection getconn() {

Connection conn=null；
// 注册驱动
try {
Class.forName("com.mysql.jdbc.Driver");
// 获取链接对象
String url = ("jdbc:mysql://localhost:3306/demo1127?characterEncoding=UTF-8");
String user = "root";
String pwd = "123456";
 conn = DriverManager.getConnection(url, user, pwd);（鼠标移上去点第三个）
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return conn；
}