Ionic: เปลี่ยนหน้าพร้อมส่งข้อมูลที่ผู้ใช้เลือกจาก list ไปให้ด้วย NavController

สร้างตัวแปร contacts เป็นชนิด any[]
นำมาแสดงผลเป็น list แบบ button
และเมื่อ click จะเรียกหน้าถัดไปมาแสดงค่าของ item ที่ถูก click
list list

สร้างโปรเจ็กส์

[code]
> ionic start navApp blank
> cd navApp
> ionic serve
[/code]

สร้าง Page ขึ้นมาใหม่ชื่อว่า detail

[code]
> ionic g page detail
[/code]

แก้ไขไฟล์ src/app/app.module.ts

import { BrowserModule } from '@angular/platform-browser';
import { ErrorHandler, NgModule } from '@angular/core';
import { IonicApp, IonicErrorHandler, IonicModule } from 'ionic-angular';
import { SplashScreen } from '@ionic-native/splash-screen';
import { StatusBar } from '@ionic-native/status-bar';

import { MyApp } from './app.component';
import { HomePage } from '../pages/home/home';
import { DetailPage } from '../pages/detail/detail';

@NgModule({
  declarations: [
    MyApp,
    HomePage,
    DetailPage
  ],
  imports: [
    BrowserModule,
    IonicModule.forRoot(MyApp)
  ],
  bootstrap: [IonicApp],
  entryComponents: [
    MyApp,
    HomePage,
    DetailPage
  ],
  providers: [
    StatusBar,
    SplashScreen,
    {provide: ErrorHandler, useClass: IonicErrorHandler}
  ]
})
export class AppModule {}

import { BrowserModule } from '@angular/platform-browser';

import { ErrorHandler, NgModule } from '@angular/core';

import { IonicApp, IonicErrorHandler, IonicModule } from 'ionic-angular';

import { SplashScreen } from '@ionic-native/splash-screen';

import { StatusBar } from '@ionic-native/status-bar';

import { MyApp } from './app.component';

import { HomePage } from '../pages/home/home';

import { DetailPage } from '../pages/detail/detail';

@NgModule({

declarations: [

MyApp,

HomePage,

DetailPage

imports: [

BrowserModule,

IonicModule.forRoot(MyApp)

bootstrap: [IonicApp],

entryComponents: [

MyApp,

HomePage,

DetailPage

providers: [

StatusBar,

SplashScreen,

{provide: ErrorHandler, useClass: IonicErrorHandler}

]

})

export class AppModule {}

แก้ไขไฟล์ src/pages/home/home.html

<ion-header>
  <ion-navbar>
    <ion-title>
      Ionic Blank
    </ion-title>
  </ion-navbar>
</ion-header>

<ion-content padding>
  <ion-list>
    <button (click)="goContact(contact)" ion-item *ngFor="let contact of contacts">
      {{contact.title}} {{contact.contact}}
    </button>
  </ion-list>
</ion-content>

<ion-header>

<ion-navbar>

<ion-title>

Ionic Blank

</ion-title>

</ion-navbar>

</ion-header>

<ion-content padding>

<ion-list>

</button>

</ion-list>

</ion-content>

แก้ไขไฟล์ src/pages/home/home.ts

import { Component } from '@angular/core';
import { NavController } from 'ionic-angular';
import { Platform, ActionSheetController } from 'ionic-angular';

import { DetailPage } from '../detail/detail';

@Component({
  selector: 'page-home',
  templateUrl: 'home.html'
})
export class HomePage {
 
  contacts: any[];
 
  constructor(public navCtrl: NavController) {
    this.contacts = [
      { title: 'AAA', contact: '111' },
      { title: 'BBB', contact: '222' },
      { title: 'CCC', contact: '333' },
      { title: 'DDD', contact: '444' }
    ]
  }
 
  goContact(contact) {
    this.navCtrl.push(DetailPage, {item: contact})
  }
}

import { Component } from '@angular/core';

import { NavController } from 'ionic-angular';

import { Platform, ActionSheetController } from 'ionic-angular';

import { DetailPage } from '../detail/detail';

@Component({

selector: 'page-home',

templateUrl: 'home.html'

})

export class HomePage {

contacts: any[];

constructor(public navCtrl: NavController) {

this.contacts = [

{ title: 'AAA', contact: '111' },

{ title: 'BBB', contact: '222' },

{ title: 'CCC', contact: '333' },

{ title: 'DDD', contact: '444' }

]

}

goContact(contact) {

this.navCtrl.push(DetailPage, {item: contact})

}

แก้ไขไฟล์ src/pages/detail/detail.html

<ion-header>

  <ion-navbar>
    <ion-title>detail</ion-title>
  </ion-navbar>

</ion-header>


<ion-content padding>
  {{detail.title}}
</ion-content>

<ion-header>

<ion-navbar>

<ion-title>detail</ion-title>

</ion-navbar>

</ion-header>

<ion-content padding>

</ion-content>

แก้ไขไฟล์ src/pages/detail/detail.ts

import { Component } from '@angular/core';
import { IonicPage, NavController, NavParams } from 'ionic-angular';

/**
 * Generated class for the DetailPage page.
 *
 * See https://ionicframework.com/docs/components/#navigation for more info on
 * Ionic pages and navigation.
 */

@IonicPage()
@Component({
  selector: 'page-detail',
  templateUrl: 'detail.html',
})
export class DetailPage {

  detail: any; //Array<any>;

  constructor(public navCtrl: NavController, public navParams: NavParams) {
    this.detail = this.navParams.get('item');
  }

  ionViewDidLoad() {
    console.log('ionViewDidLoad DetailPage');
  }

}

import { Component } from '@angular/core';

import { IonicPage, NavController, NavParams } from 'ionic-angular';

/**

* Generated class for the DetailPage page.

* See https://ionicframework.com/docs/components/#navigation for more info on

* Ionic pages and navigation.

@IonicPage()

@Component({

selector: 'page-detail',

templateUrl: 'detail.html',

})

export class DetailPage {

detail: any; //Array<any>;

constructor(public navCtrl: NavController, public navParams: NavParams) {

this.detail = this.navParams.get('item');

}

ionViewDidLoad() {

console.log('ionViewDidLoad DetailPage');

}

[BOXMOBILEDEV] Ionic 3 EP4 : สร้างหน้าใหม่ navCtrl , navParams

Phaisarn Sutheebanjard

blog.phaisarn.com

Ionic: เปลี่ยนหน้าพร้อมส่งข้อมูลที่ผู้ใช้เลือกจาก list ไปให้ด้วย NavController