Angularjs 如何混合这两个ng类句子

Angularjs 如何混合这两个ng类句子,angularjs,ng-class,Angularjs,Ng Class,我有两个ng类句子。如何将它们混合在一起: ng class=“['step-0'+main.activeConnectStep]” ng class=“{'active':main.activeConnectStep>0}”使用数组表示法: ng-class="['step-0' + main.activeConnectStep, main.activeConnectStep > 0 ? 'active' : '']" ng-class="{'active': main.activeC

我有两个ng类句子。如何将它们混合在一起:

ng class=“['step-0'+main.activeConnectStep]”

ng class=“{'active':main.activeConnectStep>0}”

使用数组表示法:

ng-class="['step-0' + main.activeConnectStep, main.activeConnectStep > 0 ? 'active' : '']"
ng-class="{'active': main.activeConnectStep > 0, 'step-0{{main.activeConnectStep}}': 1}"