constructor(privatehttp:HttpClient){} 创建一个方法来处理文件上传,该方法接收一个文件作为参数,并返回一个Observable对象: 代码语言:typescript 复制 uploadFile(file:File):Observable<any>{constformData=newFormData();formData.append('file',f
public uploadProgress: number; constructor(private http: HttpClient) { } upload(files) {if(files.length === 0)return; const formData=newFormData();for(let file of files) formData.append(file.name, file); const req=newHttpRequest('POST', `api/files`, formData, { reportProgress:true, });...
import{HttpClient,HttpHeaders}from'@angular/common/http'; 在组件类中注入HttpClient: 代码语言:typescript 复制 constructor(privatehttp:HttpClient){} 创建一个方法来处理文件上传操作: 代码语言:typescript 复制 uploadFile(file:File){constformData=newFormData();formData.append('file',file);constheaders=newHtt...
});this.http.request(newRequest(options)).toPromise().then((response) =>{//do something...}); 5. Upload file onFileChanged(fileList: FileList) {if(fileList.length > 0) { let file: File= fileList[0]; let formData: FormData=newFormData(); formData.append('uploadFile', file, file.na...
一、HTTPCLIENT的基础使用 要在Angular项目中使用HTTPClient模块,首先需要在应用的主模块,通常是ApPMOdule,中导入HttpClientModule。 import { HttpClientModule } from '@angular/common/http'; import { NgModule } from '@angular/core'; @NgModule({
// file-upload.component.ts import { Component } from '@angular/core'; import { HttpClient } from '@angular/common/http'; @Component({ selector: 'app-file-upload', templateUrl: './file-upload.component.html', styleUrls: ['./file-upload.component.css'] }) export class FileUploadComponen...
httpclient中有一个subscribe()方法，会返回一个promise对象，这个对象具有一个unsubscribe（）方法，可以...
HttpClient, private _message: NzMessageService) { } public fileList: File[]; public checkName : string = ''; public schedule = '0'; public isUploadVisible: boolean = false; public isUploadDisable: boolean = false; public isOkDisabled : boolean = true; public aiCheckId : number; public...
uploadImgs(files: FileList, invoiceOriginDataId: number): Observable<HttpEvent> { const formData: FormData = new FormData(); for (let i = 0; i < files.length; i++) { formData.append('file', files[i]); } return this.httpClient.post(`/document/folder/img/${invoiceOriginDataId}`,...
export class ConsultationListComponent implements OnInit {private private canceler;constructor(private modal: NzModalService,public sanitizer: DomSanitizer,private _myProfileCrudService: MyProfileCrudService,private _http: HttpClient,private _message: NzMessageService) {}//上传文件beforeUpload = (file: Nz...