S MVC file upload

Write file upload forms and controller

Jsp file uploads written in the form:

 <form enctype="multipart/form-data" method="post" action="/upload1.do">

    图片:<input type="file" name="photo"><br>
    <input type="submit" value="上传">
</form>

 

Write processing file uploads controller, the method of handling file upload need to add MultipartFile types of parameters, MultipartFile itself is an interface, which provides a method of operation of some of the file upload:

• getOriginalFilename ()
  to get the file name
• isEmpty ()
  to determine whether to upload a file, if the file upload is not selected, then the result is true this time
• getContentType ()
  files get uploaded file type
• transferTo (File file)
  to upload files to the specified directory
• getName ()
  Gets the name input values in the form
• getBytes ()
  Gets byte array to upload files
• getInputStream ()
  Gets InputStream object to upload files

Another method parameter HttpSession main role is to get the paths from the server used to store the uploaded file.

Details Reference: file upload