[英]Get JSON data based on the item I clicked ionic ionic 3
因此,當我單擊圖像時,我希望它轉到一個頁面,在該頁面上顯示所有類似的標題和其他信息,我很確定這會起作用,但我不知道為什么它不會請幫助我!
問題是它顯示了“無法讀取屬性標題”
主頁.html
<ion-header>
<ion-navbar>
<button ion-button menuToggle>
<ion-icon name="menu"></ion-icon>
</button>
<ion-title>Home</ion-title>
</ion-navbar>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
</ion-header>
<ion-content padding>
<ion-searchbar
[(ngModel)]="myInput"
[showCancelButton]="shouldShowCancel"
(ionInput)="onInput($event)"
(ionCancel)="onCancel($event)">
</ion-searchbar>
<div class="row">
<div class="column" *ngFor="let item of items">
<img [src]="item.thumbnailUrl" alt="Snow" style="width:100%;border-radius: 4px;" (click)="viewItem(item.id)">
{{item.title}}
</div>
</div>
</ion-content>
主頁.ts
import { Component } from '@angular/core';
import { NavController } from 'ionic-angular';
import { HttpClient } from '../../../node_modules/@angular/common/http';
import { Observable } from '../../../node_modules/rxjs/Observable';
@Component({
selector: 'page-home',
templateUrl: 'home.html'
})
export class HomePage {
public items: any;
constructor(public navCtrl: NavController,public http: HttpClient) {
this.getData();
}
getData(){
let Url = 'www.dontworryaboutitJustHelpmePlease!IwillLoveYou.com/api';
let data: Observable<any> = this.http.get(Url);
data.subscribe(result =>{
this.items = result;
});
}
viewItem(item){
this.navCtrl.push('TvshowPage', { item: item })
}
}
The page thats getting the information ts
import { Component } from '@angular/core';
import { IonicPage, NavController, NavParams } from 'ionic-angular';
@IonicPage()
@Component({
selector: 'page-tvshow',
templateUrl: 'tvshow.html',
})
export class TvshowPage {
item: any;
constructor(public navCtrl: NavController, public params:NavParams) {
this.item = params.get('item');
}
}
獲取信息的頁面html
<ion-header>
<ion-navbar>
<ion-title></ion-title>
</ion-navbar>
</ion-header>
<ion-content padding>
<p>{{item.title}}</p>
</ion-content
>
請幫助我希望這是有道理的。
ps:如果你幫助我,我會永遠愛你!
在這里,您從 UI 傳遞item.id
嘗試傳遞 item.id 的 item 即時。 您的代碼應如下所示:
<div class="row">
<div class="column" *ngFor="let item of items">
<img [src]="item.thumbnailUrl" alt="Snow" style="width:100%;border-radius: 4px;" (click)="viewItem(item)">
{{item.title}}
</div>
</div>
viewItem(item){
console.log(item); //It will show you every items from your object that you passed. now you can access anything by using item.
this.navCtrl.push('TvshowPage', { item: item })
}
(click)=viewItem(item)
在 html 中
您只需傳遞 item.id 這就是為什么無法獲得標題的原因,因此您必須通過單擊方法傳遞 item
viewItem(item){
console.log(item)
}
在 JavaScript 中
在這里您將獲得特定的項目數據而不是 item.id
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