Angular Material 表错误 : Can't bind to 'mdHeaderRowDef' since it isn't a known property of 'md-header-row'

Question

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

Uncaught Error: Template parse errors: Can't bind to 'mdHeaderRowDef' since it isn't a known property of 'md-header-row'. 1. If 'md-header-row' is an Angular component and it has 'mdHeaderRowDef' input, then verify that it is part of this module. 2. If 'md-header-row' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the '@NgModule.schemas' of this component to suppress this message. 3. To allow any property add 'NO_ERRORS_SCHEMA' to the '@NgModule.schemas' of this component.

我在网上找到的每个答案都告诉我需要导入 CdkTableModule，但我已经这样做了，而且 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>

结果:到目前为止一切顺利 ...

但是如果我将“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>

结果:损坏:(


我尝试过导入其他模块......包括 MdTableModule 和 MdTable，但这也没有被证明有帮助。有任何想法吗？

附言这是我的主要 app.module.ts 导入语句，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
 ]

Answer 1

在又一个小时摆弄东西后，我跑了

npm update --save

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

在 package.json

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

这破坏了一些东西，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';

组件.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>

组件.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() {}
 }

呸!