问题描述
我想处理父组件中x3dom的 shape
html元素的click事件. onclick
事件由x3dom触发.我只能通过丑陋的方式委派它(请参阅下文).因为 shape
不是Angular 2已知的Html标签,所以我必须定义一个 shape
组件?还是不?
I want to handle a click event of x3dom's shape
html element in my parent component. The onclick
event is fired by x3dom. I can only delegate it with an ugly hack (see below).Because shape
is not a known Html tag by Angular 2 I have to define ashape
component? or Not?
在父组件中:
<shape (click)="doStuffInParent()" ></shape> <!-- click is not fired by x3dom -->
到目前为止的形状组件:
Shape component so far:
import {Component} from '@angular/core';
import { Input, Output, EventEmitter} from '@angular/core';
@Component({
selector: 'Shape',
providers: [],
directives: [],
pipes: []
})
export class Shape {
@Output() notify: EventEmitter<string> = new EventEmitter<string>(); // wrong!
constructor() {}
}
也许我不需要该组件?X3dom触发了onclick事件,而不是我触发了.
Maybe I don't need the component? The onclick event is fired by X3dom and not by me.
对我来说的另一种解决方案是,如果我可以从常规的 onclick
事件中调用我的组件方法,我会问.
another solution for me would be if I can just call my component method from a regular onclick
event what I asked here.
更新我破解了至少可以解决我的问题的解决方案:
推荐答案
工作演示: https://plnkr.co/edit/qQudgi9touIFOe52m4JY?p=preview
<Shape (myClick)="doStuffInParent($event)"></Shape>
在组件代码中
doStuffInParent(value){
console.log(value); //Angular2
}
import {Component} from '@angular/core';
import { Input, Output, EventEmitter} from '@angular/core';
@Component({
selector: 'Shape',
providers: [],
directives: [],
pipes: [],
template:`<div (click)="click()">Shap Component</div>`
})
export class Shape {
@Output() myClick: EventEmitter<string> = new EventEmitter<string>();
click(){
this.myClick.next('Angular2');
}
}
这篇关于未知html元素上的Angular2火点击事件的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!