sat*_*ish 16 html-table angular mat-table angular9
我正在使用 Angular 9。如何构造一个没有表头行(th)的 mat-table?听起来很傻,但如果我这样做
\n<table mat-table *ngIf="isMobile" #mobile_table [dataSource]="dataSource">\n <ng-container matColumnDef="item">\n <td mat-cell *matCellDef="let item_stat">\n <div class="smallHeading">\n {{ item_stat.max_date }} m\n </div>\n <div class="mainRow divider">\n <a href="{{ item_stat.mobile_path }}">{{ item_stat.title }}</a> \xc2\xb7\n {{ getScore(item_stat) }}\n </div>\n </td>\n </ng-container>\n\n <tr mat-header-row *matHeaderRowDef="mobileDisplayedColumns"></tr>\n <tr mat-row *matRowDef="let row; columns: mobileDisplayedColumns;" [ngClass]="getRowClass(row)"></tr>\n</table>\n
Run Code Online (Sandbox Code Playgroud)\n它产生错误
\nERROR TypeError: Cannot read property 'template' of undefined\n at MatHeaderRowDef.extractCellTemplate (table.js:567)\n at table.js:2522\n at Function.from (<anonymous>)\n at MatTable._getCellTemplates (table.js:2512)\n at MatTable._renderRow (table.js:2467)\n at table.js:2326\n at Array.forEach (<anonymous>)\n at MatTable._forceRenderHeaderRows (table.js:2321)\n at MatTable.ngAfterContentChecked (table.js:1800)\n at callHook (core.js:4730)\n
Run Code Online (Sandbox Code Playgroud)\n我必须添加
\n<th mat-header-cell *matHeaderCellDef></th>\n
Run Code Online (Sandbox Code Playgroud)\n使表格正确呈现。这似乎没有必要,因为我不想为我的表格添加标题行。如何构建我的垫子表以便不需要这样做?
\n小智 20
您只需删除标题行 mat-header-row
<tr mat-header-row *matHeaderRowDef="mobileDisplayedColumns"></tr>
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对我来说效果很好。
小智 5
只需删除这一行:
<tr mat-header-row *matHeaderRowDef="mobileDisplayedColumns"></tr>
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