<ul class="app-top-bar-ul pull-right"><li ng-click="minWin()"><div class="min_btn"></div></li><li ng-click="maxWin()"><div class="max_btn" ng-class="{'all-window': isFullScreen}"></div></li><li class="close-li" ng-click="closeWin()"><div class="close_btn"></div></li></ul>