<ul>
<li
ng-repeat="category in categoryList">
{{category.Name}} <br>
<ul>
<li
ng-repeat="game in gameList" ng-if="game.{{category.Name}}">
{{game.Name}}
</li>
</ul>
</li>
</ul>
我想检查某个游戏是否有一个具有类别名称的子游戏,使用括号它只会查找一个不存在的名为“类别”的特定子游戏。
最佳答案
在ng-if
指令中,您可以直接引用变量category
ng-if="game[category.Name]"
angular.module('app',[])
.controller('ctrl',function($scope){
$scope.categoryList = [
{Name : '1'},
{Name : '2'},
{Name : '3'},
{Name : '4'},
{Name : '5'}
];
$scope.gameList = [
{Name : 'g1', '1':true},
{Name : 'g2', '1':true},
{Name : 'g3', '2':true},
{Name : 'g4', '7':true}
]
});
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="app" ng-controller="ctrl">
<ul>
<li ng-repeat="category in categoryList">
Category - {{category.Name}} <br>
<ul>
<li ng-repeat="game in gameList" ng-if="game[category.Name]">
Game - {{game.Name}}
</li>
</ul>
</li>
</ul>
</div>
关于javascript - ng-if 语句内的动态属性,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/27526951/