# Functions
AddUploader makes a uploader generator available by the provided theme name.
GetFile 获取文件.
GetFileEngine return the Uploader of given name.
GetLocalFileUploader return the default Uploader.
SaveMultipartFile used in a local Uploader which help to save file in the local path.
Upload receive the return value of given UploadFun and put them into the form.
# Structs
LocalFileUploader is an Uploader of local file engine.
# Interfaces
Uploader is a file uploader which contains the method Upload.
# Type aliases
UploaderGenerator is a function return an Uploader.
UploadFun is a function to process the uploading logic.