推荐回答（3个）
实际上 你若看了 图中源码的话 就不会问这样的问题了 因为按你说的效果是可以实现的
但是会增加网站体积 需要JS 来实现这个效果是不划算的
图中实际原理是
原理
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方案一
循环
子循环
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子循环结束
循环结束
方案二
循环
｛如果 i=1 or id=6 or i=11 ... 看你需要来进行判断UL 需不需要显示｝
｛end｝
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｛如果 i=5 or id=10 or i=115 ... 看你需要来进行判断 /UL 需不需要显示｝｛end｝
循环结束
因为不知道你用什么语言来写 所以我大概的写个样子 你看懂这个流程就可以了
1、设置hr的宽度，要比最外层的短，然后让hr居中 -- 怎么居中就不写了
2、页面数据如果是循环出来的，就加个判断，5行显示并且加入hr。
3、把hr设置成虚线并设置上下边距
参考代码
我说下思路啊 不知道对你有没有帮助
要是网站的这样显示 可以用一个table 设成五行 每行的内容由后台动态添加 然后在设个DIV 设好那条线的样式
最后都由后台动态生成。。。
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