如何在angular2中设置Content-Type和Accept?
我正在尝试在 header 中发送内容类型为 (application/json) 的 post 调用 但由于某种原因它不发送,它总是发送文本/纯文本;内容类型中的 charset=UTF-8 当我尝试调用 REST 服务时收到 415 Unsupported Media Type。我想我需要以某种方式正确设置类型和内容类型,它不是从代码中设置的 我喜欢什么 下面是 header 请求
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding
gzip, deflate
Accept-Language
en-US,en;q=0.5
Content-Length
13
Content-Type
text/plain; charset=UTF-8
Host
enrova.debug-zone.com:8000
Origin
http://localhost:8000
Referer
http://localhost:8000/add
User-Agent
Mozilla/5.0 (Windows NT 10.0; WOW64; rv:39.0) Gecko/20100101 Firefox/39.0
代码如下
import {Component, View} from 'angular2/angular2';
import { Inject} from 'angular2/di';
import {Http} from 'angular2/http';
export class AchievementsService {
constructor( @Inject(Http) private http: Http) {
}
getAchievementsOfType(type: string) : any {
var path = '/api/achievements/' + type;
return this.http.get(path);
}
getAllAchievements() : any {
var path = '/api/achievements';
return this.http.get(path);
}
addAnAchievement(newAchievement) {
//var path = '/api/achievements';
var path = 'http://test.com:8000/branch';
return this.http.post('http://test.com:8000/branch', JSON.stringify(newAchievement),{
headers: { 'Content-Type': 'application/json; charset=utf-8'} });
}
**Calling Class**
import {Component, View} from 'angular2/angular2';
import { _settings } from '../../settings'
import {FormBuilder, Validators, formDirectives, ControlGroup} from 'angular2/forms';
import {Inject} from 'angular2/di';
import {Router} from 'angular2/router';
import {AchievementsService} from '../../services/achievementsService';
@Component({
selector: 'add',
injectables: [FormBuilder]
})
@View({
templateUrl: _settings.buildPath + '/components/add/add.html',
directives: [formDirectives]
})
export class Add {
addAchievementForm: any;
constructor( @Inject(FormBuilder) private formBuilder: FormBuilder,
@Inject(Router) private router: Router,
@Inject(AchievementsService) private achievementsService: AchievementsService) {
this.addAchievementForm = formBuilder.group({
name: ['']
});
}
// This is the funtion that call post call written in achievementsService.ts
addAchievement() {
this.achievementsService.addAnAchievement(this.addAchievementForm.value)
.map(r => r.json())
.subscribe(result => {
this.router.parent.navigate('/');
});
}
}
最佳答案
这是一个更简洁的方法,它写在 Angular2 文档中(https://angular.io/docs/ts/latest/guide/server-communication.html)。
import {Headers, RequestOptions} from 'angular2/http';
let body = JSON.stringify({ 'foo': 'bar' });
let headers = new Headers({ 'Content-Type': 'application/json' });
let options = new RequestOptions({ headers: headers });
return this.http.post(url, body, options)
.map(res => res.json().data)
.catch(this.handleError)
请注意,我认为这仅适用于 POST 查询。
关于http - 如何在 angular2 中设置内容类型和接受错误 415 不支持的媒体类型,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/35665358/