#方法1：   点击后退到home后，再点击搜索， locationChangeStart 事件会多次触发。

   # $scope.keyword =  $location.search().search

   # $scope.search = ()->

   #   return if $scope.isSearching

   #   return unless $scope.sitetype and $scope.keyword

   #   $location.search({search: $scope.keyword})

   #   if $scope.sitetype == 'site'

   #     $scope.doSearch()

   #   else

   #     $scope.connectSocket($scope.doSearch)

   # #有关键词的时候，执行搜索任务

   # if $scope.keyword

   #   $scope.search()

   # $rootScope.$on '$locationChangeStart', (e, next, current)->

   #   console.log 'locationChangeStart...'

   #   $scope.keyword =  $location.search().search

   #   $scope.search()

     # 方法2    路由：  url: '/search/*path'

   $scope.keyword = $location.path().slice(8)

   $scope.setPath = (keyword)->

     if !keyword

       keyword = $scope.keyword

     $location.path('/search/'+keyword)
　　　#搜索
 　　 if $scope.keyword
     　　$scope.search()