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角度材料表错误:'t bind to ' mdHeaderRowDef ' since it isn' t 'md-header-row'的已知属性

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我正在尝试将CDK数据表转换为Material Design样式的数据表(请参阅:https://material.angular.io/components/table/overview),但是当我将cdk前缀更改为md时,我收到以下错误...


未捕获错误:模板解析错误:无法绑定到'mdHeaderRowDef',因为它不是'md-header-row'的已知属性 . 1.如果'md-header-row'是一个Angular组件并且它有'mdHeaderRowDef'输入,那么请验证它是否是该模块的一部分 . 2.如果'md-header-row'是Web组件,则将'CUSTOM_ELEMENTS_SCHEMA'添加到此组件的'@NgModule.schemas'以禁止显示此消息 . 3.要允许任何属性将“NO_ERRORS_SCHEMA”添加到此组件的“@NgModule.schemas” .


我在网上找到的每个答案都告诉我,我需要导入CdkTableModule,但我已经这样做了,cdk表工作得很好 .

import {Component, OnInit, ViewChild} from '@angular/core';
import {DataSource} from '@angular/cdk';
import { CdkTableModule } from '@angular/cdk';
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/observable/of';
import 'rxjs/add/operator/first';
import 'rxjs/add/operator/startWith';
import 'rxjs/add/operator/catch';
import 'rxjs/add/operator/switchMap';
import 'rxjs/add/observable/merge';
import 'rxjs/add/observable/of';
import 'rxjs/add/observable/interval';
import 'rxjs/add/operator/map';

我正在导入CdkTableModule,当我使用cdk前缀时,表格按预期显示...

<md-table [dataSource]="dataSource">

  <ng-container cdkColumnDef="number">
    <md-header-cell *cdkHeaderCellDef> number </md-header-cell>
    <md-cell *cdkCellDef="let element"><a routerLink="{{element.number}}"> {{element.number}} </a></md-cell>
  </ng-container>

  <ng-container cdkColumnDef="book">
    <md-header-cell *cdkHeaderCellDef> book </md-header-cell>
    <md-cell *cdkCellDef="let element"> {{element.book}} </md-cell>
  </ng-container>

  <md-header-row *cdkHeaderRowDef="['number', 'book']"></md-header-row>
  <md-row *cdkRowDef="let row; columns: ['number', 'book']"></md-row>
</md-table>

RESULT: So far so good ...
enter image description here
但如果我将"cdk"更改为"md"

<md-table [dataSource]="dataSource">

  <ng-container mdColumnDef="number">
    <md-header-cell *mdHeaderCellDef> number </md-header-cell>
    <md-cell *mdCellDef="let element"><a routerLink="{{element.number}}"> {{element.number}} </a></md-cell>
  </ng-container>

  <ng-container mdColumnDef="book">
    <md-header-cell *mdHeaderCellDef> book </md-header-cell>
    <md-cell *mdCellDef="let element"> {{element.book}} </md-cell>
  </ng-container>

  <md-header-row *mdHeaderRowDef="['number', 'book']"></md-header-row>
  <md-row *mdRowDef="let row; columns: ['number', 'book']"></md-row>
</md-table>

RESULT: Broken :(
enter image description here

我已经尝试导入其他模块......包括MdTableModule和MdTable,但这也没有证明有用 . 有任何想法吗?

附:这是我的主要app.module.ts import语句,以防万一

imports: [
BrowserModule,
FormsModule,
HttpModule,
AppRoutingModule,
ReactiveFormsModule,
BrowserAnimationsModule,
MdAutocompleteModule,
MdButtonModule,
MdButtonToggleModule,
MdCardModule,
MdCheckboxModule,
MdChipsModule,
MdTableModule,
MdDatepickerModule,
MdDialogModule,
MdExpansionModule,
MdGridListModule,
MdIconModule,
MdInputModule,
MdListModule,
MdMenuModule,
MdCoreModule,
MdPaginatorModule,
MdProgressBarModule,
MdProgressSpinnerModule,
MdRadioModule,
MdRippleModule,
MdSelectModule,
MdSidenavModule,
MdSlideToggleModule,
MdSliderModule,
MdSnackBarModule,
MdSortModule,
MdTabsModule,
MdToolbarModule,
MdTooltipModule,
MdNativeDateModule,
CdkTableModule,
StyleModule
 ]

3 回答

  • 0

    只需在app.modules.ts中添加MatTableModule即可

    在角度材质中,有必要在app.modules.ts中导入模块

    例如,对于paginator导入MatPaginatorModule,用于排序导入,MatSortModule

  • 0

    经过另一个小时的摆弄,我跑了

    npm update --save

    并将@ angular / cdk和@ angular / material更新为2.0.0-beta.10

    在package.json中

    "@angular/material": "^2.0.0-beta.10",
     "@angular/cdk": "^2.0.0-beta.10",
    

    这打破了一些东西,所以我不得不四处挖掘并需要更新DataSource和CdkTableModule的导入

    import { CdkTableModule} from '@angular/cdk/table';
           import {DataSource} from '@angular/cdk/table';
    

    component.html

    <md-table [dataSource]="dataSource">
    
        <ng-container mdColumnDef="number">
          <md-header-cell *mdHeaderCellDef> number </md-header-cell>
          <md-cell *mdCellDef="let element"><a routerLink="{{element.number}}"> {{element.number}} </a></md-cell>
        </ng-container>
    
        <ng-container mdColumnDef="book">
          <md-header-cell *mdHeaderCellDef> book </md-header-cell>
          <md-cell *mdCellDef="let element"> {{element.book}} </md-cell>
        </ng-container>
    
        <ng-container mdColumnDef="s1">
          <md-header-cell *mdHeaderCellDef> S1 </md-header-cell>
          <md-cell *mdCellDef="let element"> {{element.sections[0] ? element.sections[0].type : ''}} {{element.sections[0] && element.sections[0].qs ? '('+element.sections[0].qs.length+')' : ''}}</md-cell>
        </ng-container>
    
        <ng-container mdColumnDef="s2">
          <md-header-cell *mdHeaderCellDef> S2 </md-header-cell>
          <md-cell *mdCellDef="let element"> {{element.sections[1] ? element.sections[1].type : ''}} {{element.sections[1] && element.sections[1].qs  ? '('+element.sections[1].qs.length+')' : ''}} </md-cell>
        </ng-container>
    
        <ng-container mdColumnDef="s3">
          <md-header-cell *mdHeaderCellDef> S3 </md-header-cell>
          <md-cell *mdCellDef="let element"> {{element.sections[2] ? element.sections[2].type : ''}} {{element.sections[2] && element.sections[2].qs ? '('+element.sections[2].qs.length+')' : ''}}</md-cell>
        </ng-container>
    
        <ng-container mdColumnDef="s4">
          <md-header-cell *mdHeaderCellDef> S4 </md-header-cell>
          <md-cell *mdCellDef="let element"> {{element.sections[3] ? element.sections[3].type : ''}} {{element.sections[3] && element.sections[3].qs ? '('+element.sections[3].qs.length+')' : ''}}</md-cell>
        </ng-container>
    
        <md-header-row *mdHeaderRowDef="['number', 'book', 's1', 's2', 's3', 's4']"></md-header-row>
        <md-row *mdRowDef="let row; columns: ['number', 'book', 's1', 's2', 's3', 's4']"></md-row>
      </md-table>
    

    component.ts

    import {Component, OnInit} from '@angular/core';
    
     // Data Table imports.
         import { DataSource } from '@angular/cdk/table';
         import { Observable } from 'rxjs/Observable';
         import 'rxjs/add/observable/of';
    
     @Component({
       selector: 'app-start',
       templateUrl: './start.component.html',
       styleUrls: ['./start.component.css']
     })
     export class StartComponent implements OnInit {
    
       pts: Pt[];
       dataSource = new ExampleDataSource(this.ptService);
       constructor( public ptService: PtService ) { }
       ngOnInit() {
         this.pt = this.ptService.getPts();
       }
     }
    
     export class ExampleDataSource extends DataSource<any> {
       data = this.ptService.getPts();
       constructor( public ptService: PtService ) { super() }
       /** Connect function called by the table to retrieve one stream containing the data to render. */
       connect(): Observable<Pt[]> {
         return Observable.of(this.data);
       }
       disconnect() {}
     }
    

    唷!

  • 10

    由于"^2.0.0-beta.11"所有以 md 开头的选择器都无效,应该替换为 mat ,因此您必须更换所有这些选择器,在材料网站中,文档似乎尚未更新 .

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