我正在创建一个应用程序,它接收来自node.js中几个客户端的文件。为此,我使用快递多功能节点模块。multer nodejs模块onFileUploadStart file.size返回0
在下面的代码我处理文件上传:
app.use(multer({ dest: './uploads/',
rename: function (fieldname, filename){
return filename;
},
onFileUploadStart: function(file){
console.log("file size: " + file.size);
console.log(file.originalname + ' is starting...');
},
onFileUploadComplete: function(file){
console.log(file.fieldname + ' uploaded to ' + file.path);
done = true;
},
onFileUploadData: function(file, data){
//console.log("data being received " + data);
}
}));
但是,当我的onFileUploadStart
的file.size
进入里面是0
一个multer文件对象具有以下属性JSON对象所以我知道尺寸属性存在。
fieldname - Field name specified in the form
originalname - Name of the file on the user's computer
name - Renamed file name
encoding - Encoding type of the file
mimetype - Mime type of the file
path - Location of the uploaded file
extension - Extension of the file
size - Size of the file in bytes
truncated - If the file was truncated due to size limitation
buffer - Raw data (is null unless the inMemory option is true)
为什么大小被返回为0?
编辑: 尽管文件大小返回0文件的其他属性,如file.originalname正在工作并返回正确的名称。
EDIT2: 当我打印onFileUploadStart功能我碰到下面的属性和相关的值里面的文件:
{
filename: 'userFile',
originalname: 'name.png',
name: 'name.png',
encoding: '7bit',
mimetype: 'image/png',
path: 'uploads\\name.png',
extension: 'png',
size: 0,
truncated: null,
buffer: null
}
为什么multer节点模块发送正确的一切,但文件的大小?
EDIT3:
request.body打印以下:
{ submit: 'upload file' }
是怪异。 我正在打印请求主体下面的代码中:
app.post('/upload/', function(request, response){
console.log(request.body);
if (done == true){
response.end('file uploaded');
}
});
index.html文件,客户端可以上传文件:
<html>
<head>
</head>
<body>
<form id= "upload" enctype= "multipart/form-data" action="/upload/" method="post">
<input type="file" name="userFile" />
<input type="submit" name="submit" value="upload file" />
</form>
</body>
</html>
你能显示你的请求正文吗? – 2015-02-11 11:39:59
@BenDiamant新增 – JoaoFilipeClementeMartins 2015-02-11 11:44:54
哪里?不能看到它 – 2015-02-11 11:45:58