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chdir不好使，于是改成下面的绝对路径执行后，报错
Fatal error: require(): Failed opening required 'D:\Xampp\htdocs\cloud1pei\vendor\autolaod.php' (include_path='D:\Xampp\php\PEAR') in D:\Xampp\htdocs\cloud1pei\bin\saas\createProductIndex.php on line 6
人生最曼妙的风景，竟是内心的淡定与从容！
dirname(dirname(__DIR__))
是个什么鬼，__DIR__不就能够直接获取路径么
__DIR__
把$v_autoload打印出来不就知道了么
$v_autoload
报错不是说了文件或者目录不存在了～
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
是个什么鬼，
__DIR__不就能够直接获取路径么把
$v_autoload打印出来不就知道了么报错不是说了文件或者目录不存在了～