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table td单元格生成tr问题

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?


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

用angular>ng-if解决


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