我正在umbraco中使用自定义部分来显示用户发送的消息。我希望管理员能够通过将文件上传到消息本身来回答这些消息。这样,我将知道哪个文件属于哪个消息。我已经遵循了一些指南和建议,最引人注目的是 file-upload-in-backoffice-custom-section讨论如何从umbraco后台上传文件。
但是我的代码存在问题,它似乎并没有发送带有后期处理请求的整个文件,而只是发送文件的路径,该路径类似于:C:\ fakepath \ file.pdf
我的问题是如何在发布请求中发送整个文件,以及如何在API函数内部将文件捕获/转换为HttpPostedFileBase。如果我可以将文件获取为HttpPostedFileBase,我将知道如何将其上传到umbraco的媒体部分。
以下代码:
edit.html:
<umb-control-group label="File" description="File to upload">
<input type="file" class="umb-editor umb-textstring" ng-model="files" ng-change="fileSelected(files)" ng-multiple="false" />
</umb-control-group>
</div>
</div>
</div>
</umb-editor-container>
<umb-editor-footer>
<umb-editor-footer-content-right>
<div class="umb-button ng-scope">
<button ng-click="OnSave()" class="btn umb-button__button btn-success umb-button--">
<span class="umb-button__content">
Save
</span>
</button>
</div>
</umb-editor-footer-content-right>
</umb-editor-footer>
edit.controller.js:
$scope.fileSelected = function (files) {
$scope.file = files;
};
$scope.OnSave = function () {
var request = {
file: $scope.file
};
return $http({
method: 'POST',
url: "backoffice/Messages/MessagesApi/PostSaveFile",
headers: { 'Content-Type': undefined },
transformRequest: function (data) {
var formData = new FormData();
formData.append("file", data.file);
return formData;
},
data: request
}).then(function (response) {
if (response) {
var fileName = response.data;
return fileName;
} else {
return false;
}
});
};
MessagesApiController.cs:
public HttpResponseMessage PostSaveFile(HttpPostedFileBase file)
{
var files = HttpContext.Current.Request;
if (files != null && files.ContentLength > 0)
{
StreamReader reader = new StreamReader(files.InputStream);
string responseFromServer = reader.ReadToEnd();
}
return Request.CreateResponse(HttpStatusCode.OK);
}
答案 0 :(得分:1)
对于那些在Umbraco 8的自定义部分中忙于文件上传的人来说,这是我的解决方案:
查看:
<input type="file" class="umb-textstring" ngf-select="" ng-model="files" ng-multiple="false" ngf-change="fileSelected(files)" required />
<umb-button action="vm.clickUploadButton()"
type="button"
button-style="info"
label="Upload">
</umb-button>
控制器:
function Controller($scope, Upload) {
var vm = this;
vm.clickUploadButton = clickUploadButton;
$scope.fileSelected = function (files) {
$scope.file = files;
};
function clickUploadButton() {
if (!$scope.file)
return false;
Upload.upload({
url: "backoffice/api/Upload/UploadFile",
fields: {
"field1": "value1",
"field2": "value2"
},
file: $scope.file
}).success(function (data, status, headers, config) {
console.log(status);
console.log(data);
}).error(function (evt, status, headers, config) {
console.log(evt.Message);
});
}
}
API控制器:
public class UploadController : UmbracoAuthorizedApiController
{
[HttpPost]
public HttpResponseMessage UploadFile()
{
var files = HttpContext.Current.Request.Files;
var field1 = HttpContext.Current.Request.Form["field1"];
var field2 = HttpContext.Current.Request.Form["field2"];
return Request.CreateResponse(HttpStatusCode.OK, new { fileCount = files.Count, field1, field2 }) ;
}
}
答案 1 :(得分:0)
如果有人遇到此问题,这就是我设法解决的方法:
edit.html:
<umb-control-group label="Response File" description="File to upload">
<input type="file" id="myFile" ng-multiple="false" />
</umb-control-group>
edit.controller.js:
if ($element.find('#myFile')[0].files[0] !== undefined) {
var fd = new FormData();
fd.append('file', $element.find('#myFile')[0].files[0]);
$http.post("backoffice/Messages/MessagesApi/PostSaveFile", fd, {
transformRequest: angular.identity,
headers: { 'Content-Type': undefined }
}).success(function (response) {
console.log(response);
});
}
MessagesApiController.cs:
public string PostSaveFile()
{
var file = HttpContext.Current.Request.Files["file"];
return file.FileName;
}
变量文件现在是HttpPostedFile,您可以将其用于保存到媒体部分的任何操作。