https://angular.io/tutorial/toh-pt6#enable-http-services
短暂地
创建调用http post/get函数的服务。
当组件需要数据时,它将使用如下服务:
短信。服务ts
import {Injectable} from '@angular/core';
import { HttpClient, HttpHeaders } from '@angular/common/http';
import 'rxjs/add/operator/map';
const BASE_API_URL = 'http-url';
const httpOptions = {
headers: new HttpHeaders({ 'Content-Type': 'application/json' })
};
@Injectable()
export class SmsService {
constructor(public http: HttpClient){}
sendSms(sms){
return this.http.post(BASE_API_URL+'/sms/send', JSON.stringify(sms), httpOptions);
}
}
常见的容器ts
import {Component, OnInit} from '@angular/core';
import {SmsService} from '../../services/sms.service';
@Component({
selector: 'app-common',
styleUrls: ['common.container.css'],
templateUrl: 'common.container.html'
})
export class CommonContainerComponent {
public number;
public smsMessage;
constructor(public smsService: SmsService) {}
sendSms(number, message) {
const sms = {
receiver : number,
context : message
};
this.smsService.sendSms(sms).subscribe(
results => {
console.log('sendSms results : ', results);
},
error => {
console.log('sendSms error : ', error);
},
() => {
console.log('sendSms completed');
}
);
}
}