SQLSTATE[HY000] [1045] Access denied for user

SQLSTATE[HY000] [1045] Access denied for user

昨天，系统各组件及框架做了一番升级，PHP升级到PHP8，laravel升级到8.X版本，原来运行正常的项目突然报错SQLSTATE[HY000] [1045] Access denied for user，从各种角度排查问题依然未解决，mysql还一度给搞挂了。偶然查到作者lxcflyer的Laravel项目中出现【SQLSTATE[HY000] [1045] Access denied for user ‘root’@‘%’ (using password: yes...】的另一种思路_u012944984的博客-CSDN博客

发现了问题所在：env文件中特殊符号的配置需要用引号包裹。