更改类

Question

我有两个CSS归类triangle和triangleo

<div class="triangle" ng-repeat="chatdata in chats"> 
<p>{{chatdata.msg}}</p> 
<p> {{chatdata.time}}</p> 
</div> 

所以，如果chatdata.usrId == 123类应该是triangle其他triangleo

Answer 1

，你可以简单地使用ng-class

<div ng-class="chatdata.usrId === 123 ? 'triangle' : 'triangleo'" ng-repeat="chatdata in chats"> 
    <p>{{chatdata.msg}}</p> 
    <p> {{chatdata.time}}</p> 
</div>