爱特文件中转上传是用一个空间给另一个空间传文件的，主要是用来给那些不支持curl\allow_url_fopen的空间实现文件快速上传的，当然同空间也是可以的。-Actel file transfer upload is to transfer a file with a space to another space, mainly used to support those who do not curl, \ allow_url_fopen is space realization of t