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error export for type multipart.FileHeader

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This commit is contained in:
daheige 2021-04-21 23:28:53 +08:00
parent 20d21ff67f
commit 6661885bfa
1 changed files with 11 additions and 3 deletions
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14
binding/multipart_form_mapping.go
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@ -15,8 +15,16 @@ type multipartRequest http.Request
var _ setter = (*multipartRequest)(nil)
var (
// ErrMultiFileHeader multipart.FileHeader invalid
ErrMultiFileHeader = errors.New("unsupported field type for multipart.FileHeader")
// ErrMultiFileHeaderLenInvalid array for []*multipart.FileHeader len invalid
ErrMultiFileHeaderLenInvalid = errors.New("unsupported len of array for []*multipart.FileHeader")
)
// TrySet tries to set a value by the multipart request with the binding a form file
func (r *multipartRequest) TrySet(value reflect.Value, field reflect.StructField, key string, opt setOptions) (isSetted bool, err error) {
func (r *multipartRequest) TrySet(value reflect.Value, field reflect.StructField, key string, opt setOptions) (bool, error) {
if files := r.MultipartForm.File[key]; len(files) != 0 {
return setByMultipartFormFile(value, field, files)
}
@ -49,12 +57,12 @@ func setByMultipartFormFile(value reflect.Value, field reflect.StructField, file
case reflect.Array:
return setArrayOfMultipartFormFiles(value, field, files)
}
return false, errors.New("unsupported field type for multipart.FileHeader")
return false, ErrMultiFileHeader
}
func setArrayOfMultipartFormFiles(value reflect.Value, field reflect.StructField, files []*multipart.FileHeader) (isSetted bool, err error) {
if value.Len() != len(files) {
return false, errors.New("unsupported len of array for []*multipart.FileHeader")
return false, ErrMultiFileHeaderLenInvalid
}
for i := range files {
setted, err := setByMultipartFormFile(value.Index(i), field, files[i:i+1])