我的表单处理程序处理req.files时,无论我尝试了哪种策略,都会返回空数组或对象。
而且,在multer内部,makemiddleware对象并不将我的文件字段视为文件。(尝试将其打印到控制台,但表单提交没有经过该处)。
我的客户端请求负载如下所示,服务端的 req.headers['content-type'] 打印出来是 multipart/form-data。
------WebKitFormBoundaryjcaOV7ABMw82oDRB
Content-Disposition: form-data; name="username"
Yash
------WebKitFormBoundaryjcaOV7ABMw82oDRB
Content-Disposition: form-data; name="email"
gnanajothi@gmail.com
------WebKitFormBoundaryjcaOV7ABMw82oDRB
Content-Disposition: form-data; name="password"
yash
------WebKitFormBoundaryjcaOV7ABMw82oDRB
Content-Disposition: form-data; name="confirmPassword"
yash
------WebKitFormBoundaryjcaOV7ABMw82oDRB
Content-Disposition: form-data; name="profilePicture"
[object FileList]
------WebKitFormBoundaryjcaOV7ABMw82oDRB--
//Middleware
var uploadPath = path.join(__dirname, '../public/upload');
var upload = multer({
dest: uploadPath,
rename: function (fieldname, filename) {
return filename.replace(/\W+/g, '-').toLowerCase() + Date.now();
},
onFileUploadStart: function (file) {
console.log(file.fieldname + ' is starting ...');
},
onFileUploadData: function (file, data) {
console.log(data.length + ' of ' + file.fieldname + ' arrived');
},
onFileUploadComplete: function (file) {
console.log(file.fieldname + ' uploaded to ' + file.path);
}
});
//Route
router.route('/user/signmeup')
.post(function(req, res){
upload.array('profilePicture', 2)(req, res, (err) => {
console.dir(req.headers['content-type']);
if (err) {
console.log('err', err);
}else{
console.log('coming here'); console.log(req.files); console.log(req.body);
var reg = new Registration();
let args = { body : req.body, session : req.session };
reg.applyForMembership(args, function(err, result){
res.json(result);
});
}
});
});
经过中间件处理后,req.body和req.files始终以以下方式打印
coming here
[]
{ username: 'Yash',
email: 'gnanajothi@gmail.com',
password: 'yash',
confirmPassword: 'yash',
profilePicture: '[object FileList]' }
这是否与前端表单处理和/或我的应用程序中 multer 的配置方式有关。
非常感谢您的帮助,在过去的几天里一直在苦苦挣扎,但似乎什么都没有起作用。
谢谢, Gj