谢邀，ng-class的所有用法，可以查看 the-many-ways-to-use-ngclass

数据

$scope.users = [
{
  id: 1,
  name: `Lolo`,
  icon: true
}, {
  id: 2,
  name: 'Semlinker',
  icon: false
}];

HTML模板

 <ul>
   <li ng-repeat="user in users" ng-class="{'tab': user.icon}">
      {{user.id}} - {{user.name}}
   </li>
 </ul>