GCD下载后清除缓存 

//GCD下载后清除缓存
1 —（void）didReceiveMemoryWarning{
2  [super didReceiveMemoryWarning];
3  //清除缓存
4  [self.cache removeAllObjectds];
5  //取消下载
6  [self.queue cancelAllObjects];
7  [self.downloading removeAllObjects];
8 }

 

 
posted @ 2013-08-03 14:36  wangzhenxiang  阅读(95)  评论(0)  编辑  收藏  举报