获取指定Cell

/** *@brief回调函数确认进度 aPercent 0=上传进度 1=图片Name 2=indexPath */- (void) progressAtPercent: (NSMutableArray *) aPercent{    NSLog(@"上传进度22progress==%@==name==%@=====%@",[aPercent objectAtIndex:0],[aPercent objectAtIndex:1],[aPercent objectAtIndex:2]);    NSUInteger row = [[aPercent objectAtIndex:2] integerValue];    NSIndexPath *path=[NSIndexPath indexPathForRow:row inSection:0];    JSBubbleMessageCell *cell = (JSBubbleMessageCell *)[_tableView cellForRowAtIndexPath:path];    NSString *progressStr = [NSString stringWithFormat:@"%0.f%%",[[aPercent objectAtIndex:0] floatValue]*100] ;    [cell setProgress:progressStr];}

http://bbs.csdn.net/topics/360157080

NSIndexPath *ip = [NSIndexPath indexPathForRow:itemCurrentlyPlaying inSection:0];

http://stackoverflow.com/questions/2910503/uitableview-does-not-scroll-to-cell