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Upload Files

Introduced in v0.7.0.

Use httpin.File to retrieve a file uploaded from the request. Make sure it's a multipart/form-data request.

type UpdateArticleInput struct {
Title string `in:"form=title"`
IsPrivate bool `in:"form=is_private"`
Cover httpin.File `in:"form=cover"`
Attachments []httpin.File `in:"form=attachments"`

NOTE: you MUST check httpin.File.Valid before accessing.

Access the uploaded file

Access filename, filesize and other information from httpin.File.Header, which is of type multipart.FileHeader.

func UpdateArticle(rw http.ResponseWriter, r *http.Request) {
input := r.Context().Value(httpin.Input).(*UpdateArticleInput)

// User has uploaded a file for the cover.
if input.Cover.Valid {
filename := input.Cover.Header.Filename
filesize := input.Cover.Header.Size

// Read content.
fileBytes, err := ioutil.ReadAll(input.Cover)

// ...