func upload(c *echo.Context) error {
req := c.Request()
// req.ParseMultipartForm(16 << 20) // Max memory 16 MiB
// Read form fields
name := c.Form("name")
email := c.Form("email")
// Read files
files := req.MultipartForm.File["files"]
for _, f := range files {
// Source file
src, err := f.Open()
if err != nil {
return err
}
defer src.Close()
// Destination file
dst, err := os.Create(f.Filename)
if err != nil {
return err
}
defer dst.Close()
if _, err = io.Copy(dst, src); err != nil {
return err
}
}
return c.String(http.StatusOK, "Thank You! %s <%s>, %d files uploaded successfully.",
name, email, len(files))
}
func upload(c *echo.Context) error {
mr, err := c.Request().MultipartReader()
if err != nil {
return err
}
// Read form field `name`
part, err := mr.NextPart()
if err != nil {
return err
}
defer part.Close()
b, err := ioutil.ReadAll(part)
if err != nil {
return err
}
name := string(b)
// Read form field `email`
part, err = mr.NextPart()
if err != nil {
return err
}
defer part.Close()
b, err = ioutil.ReadAll(part)
if err != nil {
return err
}
email := string(b)
// Read files
i := 0
for {
part, err := mr.NextPart()
if err != nil {
if err == io.EOF {
break
}
return err
}
defer part.Close()
file, err := os.Create(part.FileName())
if err != nil {
return err
}
defer file.Close()
if _, err := io.Copy(file, part); err != nil {
return err
}
i++
}
return c.String(http.StatusOK, "Thank You! %s <%s>, %d files uploaded successfully.",
name, email, i)
}
// Handler
func hello(c *echo.Context) error {
return c.String(http.StatusOK, "Hello, World!\n")
}