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      1. 如何在 Angular 7 的表格中添加行组件?

        How to add row component in table in Angular 7?(如何在 Angular 7 的表格中添加行组件?)
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                • 本文介绍了如何在 Angular 7 的表格中添加行组件?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  我使用了最新版本的 angular.(7.2.0)我有个人 tr 组件,例如:

                  I use last version of angluar. (7.2.0) I have personal tr component like:

                  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() {
                  }
                  
                  }
                  

                  我想在表格中使用这个组件,例如:

                  I want to use this component inside table like:

                  <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?

                  How to add my component correctly inside table?

                  推荐答案

                  将组件选择器定义为带方括号的属性选择器:

                  Define the component selector as an attribute selector with square brackets:

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

                  以便可以将其设置为 tr 元素的属性:

                  so that it can be set as an attribute of the tr element:

                  <tr app-table-row ...>
                  

                  这篇关于如何在 Angular 7 的表格中添加行组件?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跟版网!

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