说明：  主要功能如下： 支持常见文件类型的上传，若要自己添加新类型请参考MIME内容类型 图片上传前有缩略图预览 图片上传之后也有缩略图，大小可以自己设定。默认设置是原图的1/2 上传之后给出文件地址，方便你在网上共享 鼠标移动到地址栏将自动复制地址
(The main functions are as follows: Support the common type of file upload, if you want to add their own new type please refer to the MIME content type A thumbnail preview before uploading pictures Picture upload after the thumbnail, size can set their own. The default is the original 1/2 After uploading the given file address, allowing you to share online Move the mouse to the address bar will automatically copy the address)