Hai, saya mencoba melakukan permintaan Http GET sederhana, tetapi tidak dapat berfungsi di ionic v2 Beta...
ini app.js saya:
import {App, Platform} from 'ionic-angular';
import {TabsPage} from './pages/tabs/tabs';
import {HTTP_BINDINGS} from 'angular2/http';
@App({
template: '<ion-nav [root]="rootPage"></ion-nav>',
providers: [HTTP_BINDINGS],
config: {} // http://ionicframework.com/docs/v2/api/config/Config/
})
export class MyApp {
static get parameters() {
return [[Platform]];
}
constructor(platform) {
this.rootPage = TabsPage;
platform.ready().then(() => {
});
}
}
dan ini halaman1.js saya:
import {Page} from 'ionic-angular';
import {Http} from 'angular2/http';
@Page({
templateUrl: 'build/pages/page1/page1.html'
})
export class Page1 {
constructor(http:Http) {
this.mget = http.get("https://httpbin.org/ip")
.subscribe(data => {
var alert = Alert.create({
title: "Your IP Address",
subTitle: data.json().origin,
buttons: ["close"]
});
this.nav.present(alert);
}, error => {
console.log(JSON.stringify(error.json()));
});
}
}
Saat menambahkan http:Http ke konstruktor -> konstruktor(http:Http) seluruh aplikasi menjadi kosong di browser... Dan saya mendapatkan kesalahan di Konsol:
Kesalahan: Tidak dapat menemukan modul "../page1/page1"
Saya juga sudah mencoba ini di Page1.js:
export class Page1 {
constructor() {
}
makeGetRequest() {
this.http.get("https://httpbin.org/ip")
.subscribe(data => {
var alert = Alert.create({
title: "Your IP Address",
subTitle: data.json().origin,
buttons: ["close"]
});
this.nav.present(alert);
}, error => {
console.log(JSON.stringify(error.json()));
console.log('yolo')
alert('hello');
});
}
}
lalu panggil makeGetRequest() pada (klik) di page1.html tetapi ia mengembalikan pengecualian berikut:
PENGECUALIAN: Kesalahan selama evaluasi "klik"
PENGECUALIAN ASLI: TypeError: this.http tidak terdefinisi
tolong bantu! :)
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
INILAH SOLUSINYA:
halaman1.js:
import {Page} from 'ionic-angular';
import {Http} from 'angular2/http';
@Page({
templateUrl: 'build/pages/page1/page1.html'
})
export class Page1 {
static get parameters(){
return [Http];
}
constructor(http) {
this.http = http;
this.mget = this.http.get("https://httpbin.org/ip")
.subscribe(data => {
console.log(data);
}, error => {
console.log('faild');
});
}
}
aplikasi.js:
import {App, Platform} from 'ionic-angular';
import {TabsPage} from './pages/tabs/tabs';
import { HTTP_PROVIDERS } from 'angular2/http';
@App({
template: '<ion-nav [root]="rootPage"></ion-nav>',
providers: [HTTP_PROVIDERS],
config: {} // http://ionicframework.com/docs/v2/api/config/Config/
})
export class MyApp {
static get parameters() {
return [[Platform]];
}
constructor(platform) {
this.rootPage = TabsPage;
platform.ready().then(() => {
});
}
}