Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[HY000] [1045] Access denied for user 'root'@'localhost' (using password: NO)' in C:\myphp_www\PHPTutorial\WWW\php\product\index.php:30 Stack trace: #0 C:\myphp_www\PHPTutorial\WWW\php\product\index.php(30): PDO->__construct('mysql:host=loca...', 'root', '') #1 {main} thrown in C:\myphp_www\PHPTutorial\WWW\php\product\index.php on line 30
请问这个问题怎么解决
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
