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調用API我很離子和角度很新,我遵循所有的步驟,離子 提供在博客上配置API http://blog.ionic.io/10-minutes-with-ionic-2-calling-an-api/錯誤而離子
遵循所有的步驟之後,當我試圖安慰結果是存儲在變量返回這裏未定義 是提供商的代碼:
import { Injectable } from '@angular/core';
import { Http } from '@angular/http';
import 'rxjs/add/operator/map';
@Injectable()
export class ApiServiceProvider {
link = 'https://randomuser.me/api/';
data :any;
constructor(public http: Http) {
console.log('Hello ApiServiceProvider Provider');
this.load();
}
load() {
if (this.data) {
return Promise.resolve(this.data);
}
return new Promise(resolve => {
this.http.get(this.link)
.map(res => res.json())
.subscribe(data => {
this.data = data.results;
resolve(this.data);
});
});
}
}
這裏是頁面的代碼/ home.ts
import { Component } from '@angular/core';
import { NavController ,ActionSheetController , AlertController } from 'ionic-angular';
import { ResultPage } from '../result/result';
import { ApiServiceProvider } from '../../providers/api-service/api-service';
@Component({
selector: 'page-home',
templateUrl: 'home.html',
providers: [ApiServiceProvider]
})
export class HomePage {
users: any;
constructor(public navCtrl: NavController, public alertCtrl:AlertController, public actionCtrl:ActionSheetController,public apiProvider:ApiServiceProvider) {
this.getUsers();
}
getUsers() {
this.apiProvider.load()
.then(data => {
this.users = data;
});
console.log(this.users);
}
任何幫助表示讚賞。 thanku
你thankx很多都是偉大的閱讀起來,我花3天這一點,你剛纔看到的代碼和糾正在短短1名企圖..感謝了很多 – sandeep