* ng对于多维数组 [英] *ngFor over multidimensional Array

问题描述

我有一个二维变量

vals : number [] []

我尝试在表中使用它.我该如何解决维度以获取索引?

I try to use it in a table. How can I address a dimension to have the index of it?

<tr *ngFor="let idx2 = ???">
     <td *ngFor="let idx1 = ???">{{ values [idx1] [idx2] }}</td>
</tr>

编辑:更改了示例以切换索引

EDIT: changed the sample to have the index switched

推荐答案

无需使用索引:

<tr *ngFor="let row of vals">
     <td *ngFor="let value of row">{{value}}</td>
</tr>

如果您需要索引:

<tr *ngFor="let row of vals; index as i">
     <td *ngFor="let value of row; index as k">{{value}}, {{vals[i][k]}}</td>
</tr>

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