//父視圖滾動的回調(diào)，用于橫向滾動判斷
- (void)scrollViewDidScroll:(UIScrollView *)scrollView{    
    CGFloat placeholderOffset = 0;
    if (self.topView.selectedIndex == 0) {
        if (self.firstTableView.contentOffset.y &gt; CGRectGetHeight(self.topView.frame) - kItemheight) {
            placeholderOffset = CGRectGetHeight(self.topView.frame) - kItemheight;
        }else {
            placeholderOffset = self.firstTableView.contentOffset.y;
        }
        [self.secondTableView setContentOffset:CGPointMake(0, placeholderOffset) animated:NO];
    }else {
        if (self.secondTableView.contentOffset.y &gt; CGRectGetHeight(self.topView.frame) - kItemheight) {
            placeholderOffset = CGRectGetHeight(self.topView.frame) - kItemheight;
        }else {
            placeholderOffset = self.secondTableView.contentOffset.y;
        }
        [self.firstTableView setContentOffset:CGPointMake(0, placeholderOffset) animated:NO];
    }
}

//子視圖滾動的回調(diào)，用于豎直方向上滾動判斷

//子視圖滾動的回調(diào)，用于豎直方向上滾動判斷
- (void)updateTopViewFrame:(UIScrollView *)scrollView{
    CGFloat placeHolderHeight = CGRectGetHeight(self.topView.frame) - self.topView.itemHeight;
    CGFloat offsetY = scrollView.contentOffset.y;
    CGFloat y = 0.0;
    if (offsetY &gt;= 0 &amp;&amp; (offsetY &lt;= placeHolderHeight)) {
        y = -offsetY;
    } else if (offsetY &gt; placeHolderHeight) {
        y = -placeHolderHeight;
    } else if (offsetY &lt; 0) {
        y = -offsetY;
    }
    [self.topView mas_updateConstraints:^(MASConstraintMaker *make) {
        make.top.offset(y + kNavBarHeight);
    }];
}

githut demo下載地址：https://github.com/biyuhuaping/NestScrollView

以上就是scrollview tableView嵌套解決方案示例的詳細內(nèi)容，更多關(guān)于scrollview tableView嵌套的資料請關(guān)注腳本之家其它相關(guān)文章！

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