func (f *MultipartForm) Upload(storage gostorages.Storage) (*image.ImageFile, error) {
var fh io.ReadCloser
fh, err := f.Data.Open()
if err != nil {
return nil, err
}
defer fh.Close()
dataBytes := bytes.Buffer{}
_, err = dataBytes.ReadFrom(fh)
if err != nil {
return nil, err
}
err = storage.Save(f.Data.Filename, gostorages.NewContentFile(dataBytes.Bytes()))
if err != nil {
return nil, err
}
return &image.ImageFile{
Filepath: f.Data.Filename,
Storage: storage,
}, nil
}
func (f *MultipartForm) Upload(storage gostorages.Storage) (*image.ImageFile, error) {
var fh io.ReadCloser
fh, err := f.Data.Open()
if err != nil {
return nil, err
}
defer fh.Close()
dataBytes := bytes.Buffer{}
_, err = dataBytes.ReadFrom(fh)
if err != nil {
return nil, err
}
dataHash := fmt.Sprintf("%x", md5.Sum(dataBytes.Bytes()))
ext := filepath.Ext(f.Data.Filename)
filename := path.Join(dataHash[:2], dataHash[2:4], dataHash[4:]+ext)
err = storage.Save(filename, gostorages.NewContentFile(dataBytes.Bytes()))
if err != nil {
return nil, err
}
return &image.ImageFile{
Filepath: filename,
Storage: storage,
}, nil
}
func FromStorage(storage gostorages.Storage, filepath string) (*ImageFile, error) {
var file *ImageFile
var err error
f, err := storage.Open(filepath)
if err != nil {
return nil, err
}
defer f.Close()
if err != nil {
return nil, err
}
modifiedTime, err := storage.ModifiedTime(filepath)
if err != nil {
return nil, err
}
file = &ImageFile{
Filepath: filepath,
Storage: storage,
}
contentType := file.ContentType()
headers := map[string]string{
"Last-Modified": modifiedTime.Format(gostorages.LastModifiedFormat),
"Content-Type": contentType,
}
buf, err := ioutil.ReadAll(f)
if err != nil {
return nil, err
}
file.Source = buf
file.Headers = headers
return file, err
}
func (f *MultipartForm) Upload(storage gostorages.Storage) (*image.ImageFile, error) {
var fh io.ReadCloser
fh, err := f.Data.Open()
if err != nil {
return nil, err
}
defer fh.Close()
dataBytes := bytes.Buffer{}
_, err = dataBytes.ReadFrom(fh)
if err != nil {
return nil, err
}
//file storage path=>16进制(yMd)/16进制(hhm)
//if not exists,create one
now := time.Now()
dir1, _ := strconv.ParseInt(now.Format("0612"), 10, 64)
dir2, _ := strconv.ParseInt(now.Format("1504"), 10, 64)
ext := strconv.FormatInt(dir1, 16) + "/" + strconv.FormatInt(dir2, 16) + "/"
h := md5.New()
h.Write(dataBytes.Bytes())
filename := hex.EncodeToString(h.Sum(nil)) + path.Ext(f.Data.Filename)
err = storage.Save(ext+filename, gostorages.NewContentFile(dataBytes.Bytes()))
if err != nil {
return nil, err
}
return &image.ImageFile{
Filepath: filename,
Storage: storage,
}, nil
}