我試圖用private http: Http
,這讓我 error_handler.js:54 EXCEPTION: Uncaught (in promise): Error: DI Error
定義HTTP作爲DI給出例外:未捕獲的(在承諾):錯誤:DI錯誤
我在我的組件
組件使用http
.ts
import { Component, OnInit } from '@angular/core';
import { FormBuilder, FormControl, FormGroup } from '@angular/forms';
import { Http} from '@angular/http';
import {Observable,Subscription} from 'rxjs/Rx';
import 'rxjs/add/operator/map';
import 'rxjs/add/operator/catch';
import { NouiFormatter } from 'ng2-nouislider';
import {NgbModule} from '@ng-bootstrap/ng-bootstrap';
@Component({
selector: 'app-char-maker',
templateUrl: './char-maker.component.html',
styleUrls: ['./char-maker.component.css']
})
export class CharMakerComponent implements OnInit {
constructor(
private formBuilder: FormBuilder,
private http: Http)
{
var obj;
}
ngOnInit() {
}
}
如果我在構造函數中註釋private http: Http
錯誤消失。 我在這裏錯過了什麼?
你有導入http模塊嗎? –
您一定忘了在app.module.ts文件中添加HttpModule。 –
顯示你的app.module.ts – brijmcq