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news.htmlIonic2拉刷新功能
刷新功能
<ion-refresher (ionRefresh)="doRefresh($event)">
<ion-refresher-content pullingText="pull to refresh">
</ion-refresher-content>
</ion-refresher>
从服务器获取新闻列表
<ion-list *ngSwitchCase="'news'">
<ion-card>
<ion-item-group (click)="goToNewsDetail(new)" text-wrap *ngFor="let new of news">
<ion-thumbnail *ngIf="new.Preview_image1" item-start>
<img src="{{new.Preview_image1}}">
</ion-thumbnail>
<ion-card-content>
<ion-item>
<ion-card-title>{{new.title}}</ion-card-title>
<p>{{new.news_category}}</p>
<h3>{{new.publish_time}}</h3>
</ion-item>
</ion-card-content>
</ion-item-group>
</ion-card>
</ion-list>
news.ts
doRefresh(refresher){
console.log('Begin async operation', refresher);
setTimeout(() => {
console.log('Async operation has ended');
refresher.complete();
}, 1500);
}
获取新闻数据
constructor(public navCtrl: NavController,
public navParams: NavParams,
public newsData:NewsDataProvider){
this.getNews();
}
getNews() {
this.newsData.getNews().then(data => {
this.news = data;
});
}
我想刷新新闻列表,并从服务器获得新的新闻列表。此代码我从ionic2文档获取,但它不是我来回
编辑工作: 这是我在news.ts,显示没有错误,但加入后做无刷新新闻列表出来。
doRefresh(refresher){
this.getNews().then(() => {
refresher.complete();
});
}
getNews(): Promise<any> {
return this.newsData.getNews().then(data => {
this.news = data;
});
}
这一个我试图ALD ..但仍不为我工作 –
请更具体一点,为什么不工作? – sebaferreras
我编辑了问题中的信息,请检查。谢谢! –