form-data

问题 I uploading file as FormData in Angular 7 with this code using HttpClient as http : sendImageFile(subUri: string, id: number, fileToUpload: File): Observable<any> { const formData: FormData = new FormData(); formData.append('file', fileToUpload, fileToUpload.name); formData.append('photoalbum_id', id.toString() ); // ... some other .append() const customHeaders = new HttpHeaders({ 'Authorization': 'Bearer' + localStorage.getItem('token'), 'Accepted-Encoding': 'application/json' }); const

问题 I uploading file as FormData in Angular 7 with this code using HttpClient as http : sendImageFile(subUri: string, id: number, fileToUpload: File): Observable<any> { const formData: FormData = new FormData(); formData.append('file', fileToUpload, fileToUpload.name); formData.append('photoalbum_id', id.toString() ); // ... some other .append() const customHeaders = new HttpHeaders({ 'Authorization': 'Bearer' + localStorage.getItem('token'), 'Accepted-Encoding': 'application/json' }); const

问题 I have a problem with postman... For one side, I can make this request with the body in form data. But, when I try to send the same request with the body in raw(json) I got this: I am trying to send the data via Angular 5 to a Drupal 8 Backend. Thanks! 回答1: Try adding to the Headers the Content-Type: application/json 回答2: It will depend if the backend can receive a JSON format. In my case, I am working with the Drupal 8 Module simple Oauth. and the The format for OAuth 2.0 Bearer tokens is

问题 I have created a file into the formData like this: var fd = new FormData(); fd.append('file', file); how do i get the content out of the formData? like the filename and the file? something like this?: fd.filename() , fd.getData() . or fd.get('file') to retrieve the file back? 回答1: There is no way to retrieve the files after you've appended them in to a formData-object I believe. You'll have to send the formData-object somewhere and then get the files from a req-object or something like that.

问题 I have created a file into the formData like this: var fd = new FormData(); fd.append('file', file); how do i get the content out of the formData? like the filename and the file? something like this?: fd.filename() , fd.getData() . or fd.get('file') to retrieve the file back? 回答1: There is no way to retrieve the files after you've appended them in to a formData-object I believe. You'll have to send the formData-object somewhere and then get the files from a req-object or something like that.

问题 I’m sending a POST request via XMLHttpRequest with data entered into an HTML form. The form without interference of JavaScript would submit its data encoded as application/x-www-form-urlencoded . With the XMLHttpRequest, I wanted to send the data with via the FormData API which does not work since it treats the data as if it were encoded as multipart/form-data . Therefor I need to write the data as a query string, properly escaped, into the send method of the XMLHttpRequest . addEntryForm

问题 I’m sending a POST request via XMLHttpRequest with data entered into an HTML form. The form without interference of JavaScript would submit its data encoded as application/x-www-form-urlencoded . With the XMLHttpRequest, I wanted to send the data with via the FormData API which does not work since it treats the data as if it were encoded as multipart/form-data . Therefor I need to write the data as a query string, properly escaped, into the send method of the XMLHttpRequest . addEntryForm

问题 I'm trying to simulate a file upload by providing file content instead of serving the real file. So - I'm doing something like this: uploadFile(jsonContent: string, otherParams: string) { const formData = new FormData(); formData.append('jsonContent', data, 'fileName.json'); formData.append('deal_id', dealId); return this.http.post(this.base_url + '/files', formData);} I'm not seeing the content being sent to the API. Any advice? What I'm doing wrong? 回答1: Well, I've found a solution for this

问题 I am trying to do an asynchronous file upload using JavaScript in combination with a WebMethod in VB.NET JavaScript: xhr.open('POST', "upload.aspx/upload", true); xhr.setRequestHeader("content-type", "application/x-www-form-urlencoded"); var formData = new FormData(); // append the files for (var i in files) { formData.append(base.el.name, files[i]); } xhr.send(formData); VB.NET: <Web.Services.WebMethod(enableSession:=True)> _ Public Shared Function upload() As String Return "Hello World!"

问题 I am trying to do an asynchronous file upload using JavaScript in combination with a WebMethod in VB.NET JavaScript: xhr.open('POST', "upload.aspx/upload", true); xhr.setRequestHeader("content-type", "application/x-www-form-urlencoded"); var formData = new FormData(); // append the files for (var i in files) { formData.append(base.el.name, files[i]); } xhr.send(formData); VB.NET: <Web.Services.WebMethod(enableSession:=True)> _ Public Shared Function upload() As String Return "Hello World!"