- (void)PullDownLoadEnd {    _count = 1;    _tableView.canPullUp = YES;    [self startDownloadData];    [_tableView reloadData];    [_tableView stopLoadWithState:PullDownLoadState];}- (void)PullUpLoadEnd {    _count += 1;    if (_count > 10) {        _tableView.canPullUp = NO;    }    [self startDownloadData];    [_tableView reloadData];    [_tableView stopLoadWithState:PullUpLoadState];}



*注意事項：

    if(self.interceptor.downView)//        [self.interceptor.downView setFrame:CGRectMake(0, self.contentSize.height, self.frame.size.width, 300)];        [self.interceptor.downView setFrame:CGRectMake(0, self.contentSize.height - 140 - 64 - 49, self.frame.size.width, 300 - 140 - 64 - 49)];

用此類實現下拉加載時，默認顯示的視圖為整個self.view,即：

 [self.interceptor.downView setFrame:CGRectMake(0, self.contentSize.height, self.frame.size.width, 300)];

需要改為：

[self.interceptor.downView setFrame:CGRectMake(0, self.contentSize.height - 140 - 64 - 49, self.frame.size.width, 300 - 140 - 64 - 49)];