一个国外的通用的上传插件，可以配合各种后台程序使用。-A common foreign upload plug-ins, you can cater for the various background programs.

文件上传,选择文件，多文件上传 用户可随意添加或删除文件，并决定上传与否。-File upload, select the file, multi file upload user can easily add or delete files, and decided to upload or not.