Angular 缓存用父子路由 IOS下点击下一个选项导致的页面错乱

/*加载数据显示loading效果*/
        $rootScope.$on("$stateChangeSuccess", function(event, toState, toParams, fromState, fromParams) {
            // to be used for back button //won‘t work when page is reloaded.
            var fromParent = fromState.name.substring(0, fromState.name.lastIndexOf(‘.‘));
             var toParent = toState.name.substring(0, toState.name.lastIndexOf(‘.‘));
            
             //父路由去子路由启动loading,子路由返回到父路由时不启动
             if(fromParent == toParent && (fromParent == ‘‘ || toParent == ‘‘) && typeof fromState.parent == ‘undefined‘
                || fromParent.indexOf(toParent) == -1 && fromState.name.indexOf(toState.name) == -1
                || fromState.name == toState.name
                || typeof fromState.parent!=‘undefined‘ && fromState.parent != toState.name && toState.parent == fromState.name){
                    
                 $rootScope.startLoading();
             }
             /*
              * 解决进入子view时父层view也有输入框时，在子view最后一个输入框点击下一项会弹出父层的bug
              * 以下变量是隐藏显示父层时使用，变量为"子view名字"+View,例如，配置子view名字为sub,变量刚为subView
              * 在父层要隐藏显示的地方用ng-show=‘!subView’
              */
             if(toState.views){
                 for(var key in toState.views){
                     if(toState.views.hasOwnProperty(key)){
                         $rootScope[ key +‘View‘] = true;
                     }
                     
                 }
             }
             if(fromState.views){
                 for(var key in fromState.views){
                     if(fromState.views.hasOwnProperty(key)){
                         $rootScope[key +‘View‘] = false;
                     }
                     
                 }
             }
               
        });