Angular 11 - NG0303:无法绑定到 'ngForOf',因为它不是 'tr' 的已知 属性
Angular11 - NG0303: Can't bind to 'ngForOf' since it isn't a known property of 'tr'
模板 TR 未显示,并生成错误:NG0303:无法绑定到 'ngForOf',因为它不是 'tr' 的已知 属性。
我不明白为什么。
我在 Angular 11 和导航器 Chrone
Error in the console
html :
<div>
<h1 class="module-title">Job logs</h1>
<span class="sp-notice">the time zone is set on GMT</span>
<div class="container">
<table class="table table-striped">
<thead>
<tr>
<th scope="col">#JobFirst</th>
<th scope="col">Last start</th>
<th scope="col">Last Finish</th>
<th scope="col">Time</th>
</tr>
</thead>
<tbody>
<tr *ngFor="let item of jobs">
<th>{{ item.JobName }}</th>
<td>{{ item.LastStartOperation }}</td>
<td>{{ item.LastFinishOperation }}</td>
<td>{{ item.Time }}</td>
</tr>
</tbody>
</table>
</div>
</div>
这是文件的内容 component.ts :
import { Component, OnInit } from '@angular/core';
@Component({
selector: 'app-joblog',
templateUrl: './joblog.component.html',
styleUrls: ['./joblog.component.css']
})
export class JoblogComponent implements OnInit {
jobs = [
{
JobName:'Client_Timer',
LastFinishOperation:'2021-12-01',
LastStartOperation:'2021-12-01',
Time:'0 years 0 mons 0 days 0 hours 0 mins 0.00 secs'
},
{
JobName:'Truc_Astuce',
LastFinishOperation:'2021-12-01',
LastStartOperation:'2021-12-01',
Time:'0 years 0 mons 0 days 0 hours 0 mins 0.00 secs'
}
];
constructor() { }
ngOnInit(): void {
}
}
这是App.module.tsfile的内容:
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from "@angular/forms";
import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import{ HttpClientModule } from "@angular/common/http";
import { RouterModule, Routes } from '@angular/router';
import { JoblogComponent } from './joblog/joblog.component';
import { DashboardComponent } from './dashboard/dashboard.component';
import { AuthComponent } from './auth/auth.component';
import { from } from 'rxjs';
const isIE = window.navigator.userAgent.indexOf('MSIE ') > -1 || window.navigator.userAgent.indexOf('Trident/') > -1;
const appRoutes: Routes = [
{path:'dashboard', component: DashboardComponent},
{path:'auth', component: AuthComponent},
{path:'joblogs', component: JoblogComponent},
{path: '', component: DashboardComponent}
];
@NgModule({
declarations: [
AppComponent,
DashboardComponent,
AuthComponent
],
imports: [
BrowserModule,
FormsModule,
AppRoutingModule,
HttpClientModule,
RouterModule.forRoot(appRoutes)
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }
您应该将组件添加到声明数组中:
@NgModule({
declarations: [
AppComponent,
DashboardComponent,
AuthComponent,
JoblogComponent
],
模板 TR 未显示,并生成错误:NG0303:无法绑定到 'ngForOf',因为它不是 'tr' 的已知 属性。 我不明白为什么。 我在 Angular 11 和导航器 Chrone
Error in the console html :
<div> <h1 class="module-title">Job logs</h1> <span class="sp-notice">the time zone is set on GMT</span> <div class="container"> <table class="table table-striped"> <thead> <tr> <th scope="col">#JobFirst</th> <th scope="col">Last start</th> <th scope="col">Last Finish</th> <th scope="col">Time</th> </tr> </thead> <tbody> <tr *ngFor="let item of jobs"> <th>{{ item.JobName }}</th> <td>{{ item.LastStartOperation }}</td> <td>{{ item.LastFinishOperation }}</td> <td>{{ item.Time }}</td> </tr> </tbody> </table> </div> </div>
这是文件的内容 component.ts :
import { Component, OnInit } from '@angular/core';
@Component({
selector: 'app-joblog',
templateUrl: './joblog.component.html',
styleUrls: ['./joblog.component.css']
})
export class JoblogComponent implements OnInit {
jobs = [
{
JobName:'Client_Timer',
LastFinishOperation:'2021-12-01',
LastStartOperation:'2021-12-01',
Time:'0 years 0 mons 0 days 0 hours 0 mins 0.00 secs'
},
{
JobName:'Truc_Astuce',
LastFinishOperation:'2021-12-01',
LastStartOperation:'2021-12-01',
Time:'0 years 0 mons 0 days 0 hours 0 mins 0.00 secs'
}
];
constructor() { }
ngOnInit(): void {
}
}
这是App.module.tsfile的内容:
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from "@angular/forms";
import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import{ HttpClientModule } from "@angular/common/http";
import { RouterModule, Routes } from '@angular/router';
import { JoblogComponent } from './joblog/joblog.component';
import { DashboardComponent } from './dashboard/dashboard.component';
import { AuthComponent } from './auth/auth.component';
import { from } from 'rxjs';
const isIE = window.navigator.userAgent.indexOf('MSIE ') > -1 || window.navigator.userAgent.indexOf('Trident/') > -1;
const appRoutes: Routes = [
{path:'dashboard', component: DashboardComponent},
{path:'auth', component: AuthComponent},
{path:'joblogs', component: JoblogComponent},
{path: '', component: DashboardComponent}
];
@NgModule({
declarations: [
AppComponent,
DashboardComponent,
AuthComponent
],
imports: [
BrowserModule,
FormsModule,
AppRoutingModule,
HttpClientModule,
RouterModule.forRoot(appRoutes)
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }
您应该将组件添加到声明数组中:
@NgModule({
declarations: [
AppComponent,
DashboardComponent,
AuthComponent,
JoblogComponent
],