UITableView 到达顶部或底部的判断

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原创最新推荐文章于 2026-06-02 09:38:27 发布 2k 阅读 AI 写同款· GEO 优化 ›

UIScrollView-Position:判断UIScrollView是否在顶部底部，添加UIScrollView滑动到底部方法 UIScrollView-Position 判断UIScrollView是否在顶部/底部，添加UIScrollView滑动到底部方法。 Import pod 'UIScrollView-Position', '~> 1.0.0' Usage #import "UIScrollView+VDPosition.h" [self.scrollView vd_isReachedTop]; [self.scrollView vd_isReachedBottom]; [self.scrollView vd_scrollToBottom:YES]; License 立即下载

- (void)scrollViewDidScroll:(UIScrollView *)scrollView
{
    //Table Top
    CGPoint localPoint = mTabVoiceResultList.contentOffset;
    [mBtnUpArraw setHidden:NO];
    
    if(localPoint.y <= 0){
        [mTabVoiceResultList setContentOffset:CGPointMake(0, 0) animated:YES];
        [mBtnUpArraw setHidden:YES];
        [mBtnDownArraw setHidden:NO];
        return;
    }
    
    //Table Bottom
    CGPoint localMaxOffsetPoint = CGPointMake(0, mTabVoiceResultList.contentSize.height - mTabVoiceResultList.frame.size.height);
    [mBtnDownArraw setHidden:NO];
    
    if(localPoint.y >= localMaxOffsetPoint.y){
        [mTabVoiceResultList setContentOffset:CGPointMake(0, localMaxOffsetPoint.y) animated:YES];
        [mBtnDownArraw setHidden:YES];
        [mBtnUpArraw setHidden:NO];
        return;
    }
}

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