如何捕获所选表行 Material Design MD表

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

<ng-container mdcolumndef="a">

<md-header-cell *mdheadercelldef=""> a </md-header-cell>

<md-cell *mdcelldef="let element"><a routerlink="{{element.number}}"> {{element.a}} </a></md-cell>

</ng-container>

<ng-container mdcolumndef="b">

<md-header-cell *mdheadercelldef=""> b </md-header-cell>

<md-cell *mdcelldef="let element"> {{element.b}} </md-cell>

</ng-container>

<md-header-row *mdheaderrowdef="['a', 'b']"></md-header-row>

<md-row "="" *mdrowdef="let row; columns: ['a', 'b']" ="selectrow="" click="" row=""></md-row>

</md-table>

selectRow/row/ {

 console.log/row/;

 }

<table [datasource]="dataSource" class="mat-elevation-z8" mat-table="">

<!-- Position Column -->

<ng-container matcolumndef="position">

<th *matheadercelldef="" mat-header-cell=""> No. </th>

<td *matcelldef="let element" mat-cell=""> {{element.position}} </td>

</ng-container>

<!-- Name Column -->

<ng-container matcolumndef="name">

<th *matheadercelldef="" mat-header-cell=""> Name </th>

<td *matcelldef="let element" mat-cell=""> {{element.name}} </td>

</ng-container>

<tr *matheaderrowdef="displayedColumns" mat-header-row=""></tr>

<tr "="" *matrowdef="let row; columns: displayedColumns;" ="selectrow="" click="" mat-row="" row=""></tr>

</table>

<md-table #table="" [datasource]="tableDataSource">

<md-header-row *cdkheaderrowdef="tableColumns"></md-header-row>

<md-row "="" *cdkrowdef="let row; columns: tableColumns;" ="selectrow="" click="" row=""></md-row>

<ng-container cdkcolumndef="day">

/click/="test/row/"

test/row/{

console.log/row/

}