访问组件的功能我在SearchingModalComponent离子2 - 如何从父
定制的负载(SearchingModalComponent) 我要调用函数秀()SearchingModalComponent
import { Component } from '@angular/core';
@Component({
selector: 'searching-modal',
templateUrl: 'searching-modal.html'
})
export class SearchingModalComponent {
public show_classname: any;
constructor() {
this.show_classname = ""
}
public show() {
this.show_classname = "busy";
}
hide() {
this.show_classname = "";
}
}
app.modules。 TS
import { SearchingModalComponent } from '../components/searching-modal/searching-modal';
@NgModule({
declarations: [
MyApp,
HomePage,
ScanPage,
SearchingModalComponent
],
imports: [
IonicModule.forRoot(MyApp)
],
bootstrap: [IonicApp],
entryComponents: [
MyApp,
HomePage,
ScanPage
],
providers: [{provide: ErrorHandler, useClass: IonicErrorHandler}, [ScreenSaver]]
})
export class AppModule {}
个app.component.ts
@Component({
template: `
<ion-nav [root]="rootPage"></ion-nav>
<searching-modal id="loading" #Searching></searching-modal>
`
})
根页面
import { Component } from '@angular/core';
import { NavController } from 'ionic-angular';
import { SearchingModalComponent } from '../../components/searching-modal/searching-modal';
@Component({
selector: 'page-scan',
templateUrl: 'scan.html'
})
export class ScanPage {
constructor(public navCtrl: NavController
, public ScreenSaverPrivid: ScreenSaver
, public SearchingModal: SearchingModalComponent
) { }
openLoading() {
this.SearchingModal.show();
console.log('openLoading');
}
}
系统信息:
- 科尔多瓦CLI:6.0.0
- 离子Framework版本:2.0 .0-rc.3
- 离子CLI版本:2.1.14
- 离子应用程序库版本:2.1.7
- 离子应用脚本版本:0.0.46
- IOS部署版本:未安装
- IOS-SIM版本:不安装
- 操作系统:Windows 10
- 节点版本:v6.9.1
- 版本的Xcode:未安装
编辑 [解决]谢谢Hadrien TOMA
移动
<searching-modal id="loading" #Searching></searching-modal>
到 scan.html
当使用'@ViewChild( '搜索')SearchingModal:SearchingModalComponent'这不起作用? –
啊!我懂了!事实上,你必须在相对于具有引用的模板的组件中调用'@ ViewChild',在这种情况下你有两个选择:move' search-modal> '将'scan.html'或者将'openLoading(){...}'和'@ViewChild(...)...'移动到'app.component.ts'。第一个选择对我来说是最好的。 –
谢谢。这是工作 –