NodeJs在MongoDb

Question

我有一个问题，我想在数据库（MongoDb）中一次保存多个文件，但它不起作用。这是保存id而不是其他

我把2个文件放在它的商店里 enter image description here

我的JS代码

var storage =   multer.diskStorage({
    destination: function (req, file, callback) {
       callback(null, './uploads/');
    },
    filename: function (req, file, callback) {
       callback(null, file.originalname);
    }
});

var upload = multer({storage: storage, dest: './uploads/'}).array('userPhoto', 12);

app.post('/addfile',upload,function(req,res){
    var file = new File ();
        file.fieldname= req.files.fieldname;
        file.originalname= req.files.originalname;
        file.encoding= req.files.encodin;
        file.save(function(err, data){
           if (err){console.log(err)}
           else {
              console.log(req.files);
           }
    });
    res.end("File is uploaded");
});

我的HTML代码

<form id="uploadForm" enctype="multipart/form-data" action="/addfile" method="post">
   <input type="file" name="userPhoto" multiple=""/><br/>
   <input type="submit" value="Upload Image" name="submit"/>
</form>