ng-class 各种书写模式
ng-class="{true: 'alert-success',false: 'alert-danger'}[alertType]"
ng-class="{'nowColor': index == 1}"
class="col {{item.selected? 'active':''}}"
ng-class="{'none-border': !userInfo.userName}"
ng-class 各种书写模式
ng-class="{true: 'alert-success',false: 'alert-danger'}[alertType]"
ng-class="{'nowColor': index == 1}"
class="col {{item.selected? 'active':''}}"
ng-class="{'none-border': !userInfo.userName}"
本文标题：ng-class 写法
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