AngularJS ng-if有多个条件

Question

我想知道是否有可能有这样的事情:

div ng-repeat="(k,v) in items"
<div ng-if="k == 'a' || k == 'b'">
    <!-- SOME CONTENT -->
</div>

知道这些项是通过请求收到的JSON容器,这就是我使用键值方法的原因.

谢谢

我问,因为我试过谷歌搜索它,但我能得到的唯一结果是ng-switch,但我必须使用ng-if.

Answer 1

你当然可以.就像是:

HTML

<div ng-controller="fessCntrl">    
     <label ng-repeat="(key,val) in list">
       <input type="radio" name="localityTypeRadio" ng-model="$parent.localityTypeRadio" ng-value="key" />{{key}}
         <div ng-if="key == 'City' || key == 'County'">
             <pre>City or County !!! {{$parent.localityTypeRadio}}</pre>
         </div>
         <div ng-if="key == 'Town'">
             <pre>Town!!! {{$parent.localityTypeRadio}}</pre>
         </div>        
      </label>
</div>

JS

var fessmodule = angular.module('myModule', []);

fessmodule.controller('fessCntrl', function ($scope) {

    $scope.list = {
        City: [{name: "cityA"}, {name: "cityB"}],
        County: [{ name: "countyA"}, {name: "countyB"}],
        Town: [{ name: "townA"}, {name: "townB"}]
      };

    $scope.localityTypeRadio = 'City';
});

fessmodule.$inject = ['$scope'];

演示 Fiddle

Answer 2

OR运算符:

<div ng-repeat="k in items">
    <div ng-if="k || 'a' or k == 'b'">
        <!-- SOME CONTENT -->
    </div>
</div>

即使它很容易阅读,我希望作为开发人员你使用比'a''k''b'等更好的名字.

例如:

<div class="links-group" ng-repeat="group in groups" ng-show="!group.hidden">
    <li ng-if="user.groups.admin || group.title == 'Home Pages'"> 
        <!--Content-->
    </li>
</div>

另一个OR例子

<p ng-if="group.title != 'Dispatcher News' or group.title != 'Coordinator News'" style="padding: 5px;">No links in group.</p>

AND运算符 (对于那些在此stackoverflow应答中寻找AND而不是OR条件的绊脚石)

<div class="links-group" ng-repeat="group in groups" ng-show="!group.hidden">
    <li ng-if="user.groups.admin && group.title == 'Home Pages'"> 
        <!--Content-->
    </li>
</div>