如何在Angular 7中的表中添加行组件？

Question

我使用最新版本的角度。 （7.2.0）我有个人tr组件，如：

import { Component, OnInit, Input } from '@angular/core';

@Component({
selector: 'app-table-row',
templateUrl: './table-row.component.html',
styleUrls: ['./table-row.component.scss']
})
export class TableRowComponent implements OnInit {
@Input() character: any;
@Input() columns: string[];

constructor() { }

ngOnInit() {
}

}

我想在表中使用这个组件，如：

<table class="mat-elevation-z8">
<tr>
   <th *ngFor="let c of columns">{{c}}</th>
</tr>
<tr app-table-row class="component-style table-row-component" *ngFor="let ch of characters | async" 
   [character]="ch" 
  [columns]="columns">
</tr>

</table>

得到如下错误：

Can't bind to 'character' since it isn't a known property of 'tr'. ("table-row class="component-style table-row-component" *ngFor="let ch of characters | async" 
       [ERROR ->][character]="ch" 
      [columns]="columns">
  </tr>
"): ng:///AppModule/TableComponent.html@7:7

如何在表格中正确添加我的组件？

Answer 1

将组件选择器定义为带方括号的属性选择器：

@Component({
  selector: 'tr[app-table-row]',
  ...
})

这样它就可以设置为tr元素的属性：

<tr app-table-row ...>