`})exportclassParentComponent{@ViewChild(ChildComponent)childComponent:ChildComponent;callChildMethod() {this.childComponent.childMethod(); } } 在上述代码中,我们使用@ViewChild()装饰器来获取对ChildComponent的引用,并将其赋值给childComponent属性。然后,在父组件的模板中,我们使用一个按钮来触发callChildMethod(...
export class ParentComponent { @ViewChild(ChildComponent) childComponent: ChildComponent; callChildMethod() { this.childComponent.childMethod(); } } 在上述代码中,我们使用@ViewChild()装饰器来获取对ChildComponent的引用,并将其赋值给childComponent属性。然后,在父组件的模板中,我们使用一个按钮来触发callChil...
template: ` <app-child #childComponent></app-child> 调用子组件方法 ` }) export class ParentComponent { @ViewChild('childComponent', { static: false }) childComponent: ChildComponent; callChildMethod() { this.childComponent.childMethod
Call Child Method 子组件(child.component.ts): import { Component } from '@angular/core'; @Component({ selector: 'app-child-component', template: 'Child Component' }) export class ChildComponent { someMethod() { console.log('Method called in Child!'); } } 父组件(parent.component.ts): ...
Call Child Component Method ` }) export class AppComponent { private notify: NotifyComponent; constructor() { this.notify = new NotifyComponent(); } submit(): void { // execute child component method notify.callMethod(); } } 孩子 import {...
import { GrandchildComponent } from './grandchild.component'; @Component({ selector: 'app-parent', template: ` <app-child></app-child> ` }) export class ParentComponent { @ViewChild(GrandchildComponent) grandchild: GrandchildComponent; callGrandchildMethod() { this.grandchild.someMethod(); } }...
link:function(scope, elem, attr) {//scope.$parent 是controller scope, 隔离只是表示没有继承,但是parent还是可以访问得到。scope.click =function() { scope.method({ insideParam:"88" });//这里你可以选择要不要覆盖掉外面的 outsideParam. 非常灵活} ...
I need the ability to obtain a reference to the parent component generically without the child having to know the type of the parent component. Basically I need something like this (pseudocode): @Component( { template: '<child></child>' ...
在右侧窗格中,在 文件名 字段中输入 $NAME/$NAME 并指定 component.css 扩展名。 点击OK 以保存模板。 创建组件文件。 从要存储组件文件的文件夹的上下文菜单中,选择 新建| Angular 组件。 在打开的对话框中,指定将用于文件夹和组件文件的名称(在此示例中为 示例)。 Gif 从模板中提取组件 提取Angular 组件...
Test code should use `ComponentFixture` instead of `ChangeDetectorRef`. Application code should not call `ChangeDetectorRef.checkNoChanges` directly. - Swapping out the context object for `EmbeddedViewRef` is no longer supported. Support for this was introduced with v12.0.0, but ...