-(void)updateSound
{
NSIndexPath *_path = [NSIndexPathindexPathForItem:playIndexinSection:0];
IMVoiceCell *cell = (IMVoiceCell *)[self.tableViewcellForRowAtIndexPath:_path];
self.soundBtn = cell.soundBtn;
TTLog(@".......................%d",self.soundBtn.tag);
原文:http://www.cnblogs.com/guligei/p/3531499.html