ionic开发常见问题及解决方案（四）

http://blog.youkuaiyun.com/CapMiachael/article/details/54344100

1. 退出后重新登录，默认方法不执行，没有重新获取数据。 
原因：$ionicHistory中的数据未清理,留有缓存 
解决方法： 退出或是重新登录时进行历史缓存清理

    $ionicHistory.clearCache()
   
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2. 清理 view cache (from statckOverflow : Is it possible to clear the view cache in Ionic?http://stackoverflow.com/questions/28676631/is-it-possible-to-clear-the-view-cache-in-ionic )

i.   If you're already on the page, you can do, 
     $state.go($state.currentState, {}, {reload:true})

ii.  If you're on another state and want to go back to 
     the state that is normally cached but you want it
      $ionicHistory.clearCache().then(function(){
     $state.go('app.fooState') })
   
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