Javascript 无法将文件从AngularJS上载到ExpressJs
我现在使用angular文件上传包来上传文件。在我按下item.upload()后,它声称已成功上载文件,但我看到req.body为空。请帮忙 下面是处理它的角度代码:Javascript 无法将文件从AngularJS上载到ExpressJs,javascript,angularjs,express,mean-stack,Javascript,Angularjs,Express,Mean Stack,我现在使用angular文件上传包来上传文件。在我按下item.upload()后,它声称已成功上载文件,但我看到req.body为空。请帮忙 下面是处理它的角度代码: var uploader = $scope.uploader = $fileUploader.create({ scope: $scope, // to automatically update the html. Default: $rootScope
var uploader = $scope.uploader = $fileUploader.create({
scope: $scope, // to automatically update the html. Default: $rootScope
url: '/api/teams/upload',
formData: [
{ key: 'value' }
],
filters: [
function (item) { // first user filter
$scope.previewImage(item);
return true;
}
]
});
以下是触发上传的方法:
uploader.bind('afteraddingfile', function (event, item) {
// console.info(item.file);
console.info('After adding a file', item);
// console.log('item.upload();');
item.upload();
});
最后是express js代码:
exports.upload = function(req, res) {
// console.log('req.headers');
// console.log(req.headers);
console.log('req.body');
console.log(req.body);
有什么问题吗?首先确保您的帖子编码为
enctype=“multipart/form data”
在Express 4中,您需要在服务器中设置主体解析器
:
var bodyParser = require('dy-parser');
//...
var app = express();
//...
app.use(bodyParser()); // pull information from html in POST
var busboy = require('connect-busboy');
app.use(busboy());
在早期版本的Express中,您只需要从框架本身添加主体解析器,文件将存储在配置的位置:
app.use(express.bodyParser({limit: '10mb', uploadDir: __dirname + '/public/uploads' })); // pull information from html in POST
由于版本4删除了对connect now的支持,您需要将对多部分/表单数据的自定义支持添加到解析器多部分/部分文章中,因此您必须执行以下操作:
var fs = require('fs');
var busboy = require('connect-busboy');
//...
app.use(busboy());
//...
app.post('/api/teams/upload', function(req, res) {
var fstream;
req.pipe(req.busboy);
req.busboy.on('file', function (fieldname, file, filename) {
console.log("Uploading: " + filename);
fstream = fs.createWriteStream(__dirname + '/files/' + filename);
file.pipe(fstream);
fstream.on('close', function () {
res.redirect('back');
});
});
});
在客户端,您需要调用$upload.upload
启动上载