使用外循环中的变量的角度嵌套`ngFor`

问题描述

我正在制作一个动态权限列表，该如何使用来自以下位置的“项目”：

<div *ngFor="let item of PermissionsList.T1">
  <!-- Some code here -->
</div>

在内部ngFor循环中

。我尝试了以下方法和其他类似的方法：

<p *ngFor="let item2 of PermissionsList.{{item}}">test</p>

PermissionsList示例如下：

T1: Array [ "Business","Recreation","Vehicles" ]

Recreation: Array [ "Hunting","Leisure" ]

Hunting: Array [ "Big_Game","Bird","pest" ]

Big_Game: Array [ "Moose","Elk" ]

​pest: Array [ "Wild Boar","Fox" ]

Bird: Array [ "Geese","Sharp-tailed grouse" ]

​Leisure: Array [ "Hiking","Bird Watching" ]

Business: Array [ "Trapping","Utility","Construction"]

Vehicles: Array [ "Half_ton","ATV","SNowMobile" ]

解决方法

如果PermissionsList是Array的{​​{1}}，而您要遍历第二个数组，则可以尝试以下操作：

Arrays

如果<div *ngFor="let permission of PermissionsList"> <div *ngFor="let item of permission "> {{ item }} </div> </div> 是PermissionsList的{​​{1}}，而您只想显示Object，请尝试以下操作：

Arrays