[英]angular structural directives (*ngFor, *ngIf) not working after i upgrade from 8 to 10
[英]Angular 11 structural directives (ngif) is not working
我试图根据表中的值显示和隐藏内容,但它不起作用。 如果我使用 ngif 指令,它会隐藏我的全部内容。
组件,ts文件
HTML 档案
<tbody>
<tr *ngFor="let user of userElement; let i = index">
<td>{{user.isEdit}}</td>
<td>
<div *ngif="!user.isEdit">
{{user.position}}
</div>
<div *ngif="user.isEdit">
<input type="text" class="form-control" name="position" [(ngModel)]="user.position" />
</div>
</td>
<td>
<div *ngif="!user.isEdit">
{{user.name}}
</div>
<div *ngif="user.isEdit">
<input type="text" class="form-control" name="name" [(ngModel)]="user.name"/>
</div>
</td>
<td>
<div *ngif="!user.isEdit">
{{user.Weight}}
</div>
<div *ngif="user.isEdit">
<input type="text" class="form-control" name="Weight" [(ngModel)]="user.Weight"/>
</div>
</td>
<td>
<div *ngif="!user.isEdit">
{{user.symbol}}
</div>
<div *ngif="user.isEdit">
<input type="text" class="form-control" name="symbol" [(ngModel)]="user.symbol"/>
</div>
</td>
<td>
<div class="row" *ngif="!user.isEdit">
<div class="col-md-6">
<i class="fa-solid fa-pencil" (click)="isEdit(user)" ></i>
</div>
<div class="col-md-6">
<i class="fa-sharp fa-solid fa-trash" (click)="delete(user)"></i>
</div>
</div>
<div class="row" *ngif="user.isEdit">
<div class="col-md-6">
<i class="fa-sharp fa-solid fa-floppy-disk" (click)="save(user)"></i>
</div>
<div class="col-md-6">
<i class="fa-solid fa-xmark" (click)="close(user)"></i>
</div>
</div>
</td>
</tr>
</tbody>
模块.ts 文件
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { FormsModule } from '@angular/forms';
import {CommonModule} from '@angular/common';
@NgModule({
declarations: [
AppComponent
],
imports: [
BrowserModule,
AppRoutingModule,
FormsModule,
CommonModule
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }
看起来像错字。 指令名称应该是 ngIf 不是 ngif
<div *ngIf="user.isEdit">
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.