javascript - Sails JS check if upload file is sent

Question

When uploading files with Sails JS the server crashes if there is no file sent with the request, considering this to be the controller action:

function(req, res) {
  req.file('testFile').upload(function() {
    // do something...
  });
}

I have tried to check the headers, but there seems to be no difference between a file being sent or not.

I am looking for something like this:

function(req, res) {
  if(file sent) {
    req.file('testFile').upload(...);
  } else {
    // file was not sent, do something else
  }
}

Is there a way that I could achieve this behavior of uploading a file or not on the same API?

Answer 1

我想这就是你要找的

req.file('testFile').upload(function (err, uploadedFiles){
  if (err) return res.send(500, err);

  return res.send(200, uploadedFiles);
});

Answer 2

这并不完全回答您的问题，但至少它是一个解决方案：

req.file('testFile').upload(function (err, uploadedFiles){
   if (err) return res.send(500, err);
   if (uploadedFiles.length < 1) {
      return res.badRequest('file missing or could not be uploaded');
   }
   return res.send(200, uploadedFiles);
 });

UploadFiles 包含一组成功上传的文件，如果它们可用。