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我試圖動態地將對象添加到DOM,但似乎無法獲得對DOM屬性中顯示的類屬性所做的任何更改。另外我似乎無法更改DOM對象上的類名稱。Angular2 Typescript2:對DOM屬性中未反映的Class屬性的更改
當我點擊我登錄到控制檯時,「clicked」方法被調用,但style.top和style.left不會改變。而班級屬性也不是。我剛纔看到這一點:在做刀片
<div ng-reflect-class-name="marker" class="marker">...</div>
代碼:
page.ts
import { Component, ViewContainerRef, ComponentFactoryResolver } from '@angular/core';
import { Marker } from './marker';
@Component({
selector: 'page',
templateUrl: 'page.html'
})
export class MyPage {
constructor(private vcRef: ViewContainerRef, private resolver: ComponentFactoryResolver) {
}
clicked(e: MouseEvent) {
const factory = this.resolver.resolveComponentFactory(Marker);
let component = this.vcRef.createComponent(factory, 1, this.vcRef.injector);
component.instance.place(0,0, 50, 0, 150);
}
}
這裏是我想要動態添加對象:
marker.ts
個import { Component } from '@angular/core';
@Component({
selector: '.markers',
templateUrl: 'marker.html'
})
export class Marker {
protected left: number;
protected bottom: number;
protected class: string;
protected form: any;
constructor() {
this.class = "marker";
this.form = {
x: 0,
y: 0,
title: ''
}
}
place(percentX: number, percentY: number, x: number, y: number, width: number) {
console.log("placing");
this.form.x = percentX;
this.form.y = percentY;
this.left = x;
this.bottom = y;
if (x < width/2) {
this.class = "marker right";
} else {
this.class = "marker left";
}
}
}
marker.html
<div [class]="class" [style.left]="left" [style.bottom]="bottom">
<ion-input class="input-title" type="text" placeholder="Title" [(ngModel)]="form.title"></ion-input>
</div>
任何提示此Angular2的n00b?