http://i42434n.cn/ Xi’an Dadong International Data*** Online
First determine whether the html has been successfully passed into php, then determine whether the connection to the database is successful, and finally check whether there is any problem with the statement
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
http://i42434n.cn/ Xi’an Dadong International Data*** Online
First determine whether the html has been successfully passed into php, then determine whether the connection to the database is successful, and finally check whether there is any problem with the statement