PHP:Maximum number of allowable file uploads has been exceeded in Unknown on line 0错误的解决办法

批量上传时php报错：PHP:Maximum number of allowable file uploads has been exceeded in Unknown on line 0，原因是php中max_file_uploads的默认配置过小。

解决办法：修改php.ini文件中max_file_uploads的配置值，从默认20修改到合适的值，比如说我修改成100，保存后重启服务器即可。