我使用Nodejs + Multer + angularjs在服务器上上传文件。
我有一个简单的HTML文件:
<form action="/multer" method="post" enctype="multipart/form-data">
<input type="file" id="photo" name="photo"/>
<button id="Button1">Upload</button>
</form>
Nodejs部分:
var multer = require('multer');
var storage = multer.diskStorage({
destination: function (req, file, cb) {
cb(null, './uploads/')
},
filename: function (req, file, cb) {
cb(null, file.originalname)
}
})
app.post('/multer', upload.single('photo'), function (req, res) {
res.end("File uploaded.");
});
这完美无缺并且文件已成功上传。
但是在上传文件后(由于表单元素),我将其重定向到“/ multer”
我如何留在同一页? ..可能使用angularjs
所以我试过这个:
制作HTML角度文件:
<section data-ng-controller="myCtrl">
<input type="file" id="photo" name="photo"/>
<button id="Button1" ng-click="f()">Upload</button>
</section>
和Angularjs控制器:
angular.module('users').controller('myCtrl',[$scope,function($scope){
$scope.f=function(){
var photo = document.getElementById('photo');
var file = photo.files[0];
if (file) {
//code to make a post request with a file object for uploading?????
//something like..
//$http.post('/multer', file).success(function(response) {
//console.log("success");
//});
}
}
}]);
是否有人可以使用该代码帮助我使用文件对象进行后期请求,以便使用来自ANGULARJS控制器的MULTER上传?
感谢
答案 0 :(得分:22)
Angularjs指令:
angular.module('users').directive('fileModel', ['$parse', function ($parse) {
return {
restrict: 'A',
link: function(scope, element, attrs) {
var model = $parse(attrs.fileModel);
var modelSetter = model.assign;
element.bind('change', function(){
scope.$apply(function(){
modelSetter(scope, element[0].files[0]);
});
});
}
};
}]);
Angular html文件:
<input type="file" file-model="myFile"/><br><br>
<button ng-click="uploadFile()">Upload</button>
Angularjs控制器:
$scope.uploadFile = function(){
var file = $scope.myFile;
var uploadUrl = "/multer";
var fd = new FormData();
fd.append('file', file);
$http.post(uploadUrl,fd, {
transformRequest: angular.identity,
headers: {'Content-Type': undefined}
})
.success(function(){
console.log("success!!");
})
.error(function(){
console.log("error!!");
});
};
Nodejs服务器路由文件:
var multer = require('multer');
var storage = multer.diskStorage({
destination: function (req, file, cb) {
cb(null, './uploads/')
},
filename: function (req, file, cb) {
cb(null, file.originalname+ '-' + Date.now()+'.jpg')
}
});
var upload = multer({ storage: storage });
app.post('/multer', upload.single('file'));
享受!