我是Angular / material2的新手,我不确定尝试遵循上的文档时会丢失什么sidenav
。
在我的AppComponent中,我想显示一个sidenav,并实现如下:
app.component.tss
import {
NgModule,
Component
} from '@angular/core';
import {
MatSidenavModule,
MatSidenavContent,
MatSidenav
} from '@angular/material';
import {
BrowserAnimationsModule
} from '@angular/platform-browser/animations';
@NgModule({
imports: [
BrowserAnimationsModule,
MatSidenav
],
exports: [
BrowserAnimationsModule,
MatSidenav
]
})
@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css']
})
export class AppComponent {
title = 'app';
}
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app.component.html
<!--The content below is only a placeholder and can be replaced.-->
<mat-sidenav-container>
</mat-sidenav-container>
<div style="text-align:center">
<h1>
Welcome to {{ title }}!
</h1>
<nav>
<a routerLink="/clients">Clients</a>
</nav>
<router-outlet>
</router-outlet>
</div>]
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错误是:
Uncaught Error: Template parse errors:
'mat-sidenav-container' is not a known element:
1. If 'mat-sidenav-container' is an Angular component, then verify that it is part of this module.
2. If 'mat-sidenav-container' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the '@NgModule.schemas' of this component to suppress this message
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我的代码中缺少什么?
Sajeetharan的答案不适用于较新版本的角材。
从这里:
在2.0.0-beta.3版本中不推荐使用MaterialModule,在2.0.0-beta.11版本中将其完全删除...
因此,要解决此问题:
在2.0.0-beta.3之后:
import {
MatSidenavModule,
} from '@angular/material';
@NgModule({
exports: [MatSidenavModule],
imports: [
MatSidenavModule
],
})
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在旧版本中:
@NgModule({
imports: [
MaterialModule
],
})
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Angular 9 实现
import { MatSidenavModule } from '@angular/material/sidenav';
imports: [MatSidenavModule]
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您需要导入import { MaterialModule } from './material.module';
app.module.ts
imports: [
MaterialModule
],
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