angular file upload with ng-file-upload

Question

I am uploading image file using ng-file-upload for image upload. using the example given, I encountered access-control header error.

    vm.uploadPic = function(file) {
      file.upload = Upload.upload({
      url: 'http://localhost:8000/api/v1/quotes/quoteitem/image/upload',
      data: {quote_item_id: vm.quote_item_id, filename: file}
    });
   }

This gives error

XMLHttpRequest cannot load http://localhost:8000/api/v1/quotes/quoteitem/image/upload . No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin ' http://localhost:3000 ' is therefore not allowed access.

I don't need any header request while uploading image in postman so, I removed header.

vm.uploadPic = function(file) {
  file.upload = Upload.upload({
    url: domain+'/api/v1/quotes/quoteitem/image/upload',
    data: {quote_item_id: vm.quote_item_id, filename: file},
    transformRequest: function(data, headersGetter) {
       var headers = headersGetter();
       headers['Content-type']=undefined;
       return headers;
    }

  });
}

This gives

TypeError: data.hasOwnProperty is not a function at ng-file-upload.js:310 at angular.js:10484 at forEach (angular.js:322) at transformData (angular.js:10483) at $get.serverRequest (angular.js:11211) at processQueue (angular.js:15961) at angular.js:15977 at Scope.$get.Scope.$eval (angular.js:17229) at Scope.$get.Scope.$digest (angular.js:17045) at Scope.$get.Scope.$apply (angular.js:17337)

I am stuck in this for quite a time now. I have tested in server side and it works fine in postman. Any help would be wonderful.

Answer 1

问题是您从端口3000的站点上传到端口8000的端点。这些被视为单独的起源，因此浏览器的安全功能正在发挥作用。您需要将它们放在同一个源上，或者添加' Access-Control-Allow-Origin'标头到上载端点的服务器端响应。

Answer 2

Please try these one

myApp.service('fileUpload', ['$http', function ($http) {
    this.uploadFileToUrl = function(file, uploadUrl){
        var fd = new FormData();
        fd.append('file', file);
        $http.post(uploadUrl, fd, {
            transformRequest: angular.identity,
            headers: {'Content-Type': undefined}
        })
        .success(function(data){
            alert("success");
        })
        .error(function(data){
              alert("error");
        });
    };
}]);

myApp.controller('fupController', ['$scope', 'fileUpload', '$http', function($scope, fileUpload, $http){

    $scope.uploadFile = function(){
        var file = $scope.myFile;
        console.log('file is '+ file );
        console.dir(file);
        var uploadUrl = 'http://localhost:8000/api/v1/quotes/quoteitem/image/upload';
        fileUpload.uploadFileToUrl(file, uploadUrl);
    };



}]);

Answer 3

Try this

<form  method="post" enctype="multipart/form-data" ng-controller="commentCtrl" name="form">
    <a href="" type="file" class="custom-height"><img src="source/assets/images/icons/icofileattached.png" class="attachmentpng-height"  ngf-select="uploadFiles($file)" ng-model="files"/></a>
    <md-button type="submit" class="md-raised custom-submit-button" ng-click="MakeComments()"> SUBMIT </md-button>
    </form>


$scope.uploadFiles = function(file) {
            console.log(file);
            $scope.fileData = file;
            var fd = new FormData();
            fd.append('file', file);
            Restangular.one('/api/files/end points').withHttpConfig({transformRequest: angular.identity})
                .customPOST(fd, '', undefined, {'Content-Type': undefined})
        };