[英]@Input() value is always undefined from typescript
import {Component, OnInit, ChangeDetectionStrategy, ElementRef, Input} from '@angular/core';
import {FadeInTop} from "../../../../../shared/animations/fade-in-top.decorator";
declare var $: any;
@FadeInTop()
@Component({
selector: 'order-progressbar-dynamic',
templateUrl: 'order-progressbar-dynamic.component.html',
})
export class OrderProgressBarDynamicComponent {
@Input() public data: any;
public progressBar: {index: number, btnID: string, btnTag: string, title: string, status: boolean, statusTag: string, prevStepStatus: boolean}[];
constructor(private el: ElementRef) {
this.generateDataForProgressbar();
}
public generateDataForProgressbar() {
if (this.data) {
this.progressBar = [
{
"index": 0,
"btnID": "orderConfirmed",
"status": this.data.orderStatus.saleConfirmed,
},
{
"index": 1,
"btnID": "item",
"status": this.data.orderStatus.item,
}
]
}
}
}
if(this.data)總是失敗,數據是不確定的,但是當從order-progressbar-dynamic.component.html
使用它時,我確實得到了值。 如何使@Input值可從類方法中使用?
使用ngOnInit
鈎子獲取@Input
值
constructor(private el: ElementRef) {}
ngOnInit() {
this.generateDataForProgressbar();
}
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