Angular get 请求数据
Angular5.x 以后 get、post 和和服务器交互使用的是 HttpClientModule 模块。
import {HttpClientModule} from '@angular/common/http';
2、在用到的地方引入 HttpClient 并在构造函数声明
import {HttpClient} from "@angular/common/http";
constructor(public http:HttpClient) { }
3、get 请求数据
var api = "http://a.itying.com/api/productlist"; this.http.get(api).subscribe(response => { console.log(response); });
Angular post 提交数据
Angular5.x 以后 get、post 和和服务器交互使用的是 HttpClientModule 模块。
1、在 app.module.ts 中引入 HttpClientModule 并注入
import {HttpClientModule} from '@angular/common/http';
2、在用到的地方引入 HttpClient、HttpHeaders 并在构造函数声明 HttpClient
import {HttpClient,HttpHeaders} from "@angular/common/http";
constructor(public http:HttpClient) { }
3、post 提交数据
const httpOptions = { headers: new HttpHeaders({ 'Content-Type': 'application/json' }) }; var api = "http://127.0.0.1:3000/doLogin"; this.http.post(api,{username:'张三',age:'20'},httpOptions).subscribe(response => { console.log(response); });
Angular Jsonp 请求数据
1、在 app.module.ts 中引入 HttpClientModule、HttpClientJsonpModule 并注入
import {HttpClientModule,HttpClientJsonpModule} from '@angular/common/http';
2、在用到的地方引入 HttpClient 并在构造函数声明
import {HttpClient} from "@angular/common/http";
constructor(public http:HttpClient) { }
3、jsonp 请求数据
var api = "http://a.itying.com/api/productlist"; this.http.jsonp(api,'callback').subscribe(response => { console.log(response); });