table td单元格生成tr问题

Question

假设现在有10个td的json对象,td的colspan属性值取1-3, 现在要把它们变成td放到tr中. td的colspan为1时,tr里放3个td,colspan为2时,tr里放两个td.colspan为3时,tr里放3个td. 怎么做到?

Answer 1

<tr ng-if="$scope.colspan === 1">&nbsp; &nbsp; <td></td>&nbsp; &nbsp; <td></td>&nbsp; &nbsp; <td></td></tr><tr ng-if="$scope.colspan === 2">&nbsp; &nbsp; <td></td>&nbsp; &nbsp; <td></td></tr><tr ng-if="$scope.colspan === 3">&nbsp; &nbsp; <td></td>&nbsp; &nbsp; <td></td>&nbsp; &nbsp; <td></td></tr>