CSS实现“三角形箭头”布局的一些实例代码

发布时间：2018-08-23 06:34:53 所属栏目：聚会来源：站长网

导读：CSS实现三角形箭头布局的一些实例代码，我想搞CSS的朋友都知道这个吧？在几年前还必须用图片实现的东西，现在用CSS就搞定了，不得不羡慕作者对CSS的执着。不过这绝对是一个好用的CSS技巧，使用它可有效减少因使用图片给页面带来的影响，有效提升网页加载性

　　CSS实现“三角形箭头”布局的一些实例代码，我想搞CSS的朋友都知道这个吧？在几年前还必须用图片实现的东西，现在用CSS就搞定了，不得不羡慕作者对CSS的执着。不过这绝对是一个好用的CSS技巧，使用它可有效减少因使用图片给页面带来的影响，有效提升网页加载性能。

　　特效代码：

<html> <head> <mce:style type="text/css"></mce:style><style type="text/css" _mce_bogus="1"></style> </head> <body> <div style="padding: 40px; background:#fff;" _mce_style="padding: 40px; background: #fff;"> <div class="wp"> <span class="arrow"></span> “三角形箭头”例1 </div> <div style="position: relative; background: red; padding: 20px; color: #fff; margin-bottom: 30px;" _mce_style="position: relative; background: red; padding: 20px; color: #fff; margin-bottom: 30px;"> <span style="position: absolute; left: 30px; top: -32px; width: 0; height: 0; font-size: 0; border-width: 16px; border-style: dashed dashed solid dashed; border-color: transparent transparent red transparent;" _mce_style="position: absolute; left: 30px; top: -32px; width: 0; height: 0; font-size: 0; border: 16px dashed dashed solid dashed transparent transparent red transparent;"></span> “三角形箭头”例1 </div> <div style="position: relative; border: 4px solid red; padding: 20px; margin-bottom: 30px;" _mce_style="position: relative; border: 4px solid red; padding: 20px; margin-bottom: 30px;"> <span style="position: absolute; left: 30px; top: -32px; width: 0; height: 0; font-size: 0; border-width: 16px; border-style: dashed dashed solid dashed; border-color: transparent transparent red transparent;" _mce_style="position: absolute; left: 30px; top: -32px; width: 0; height: 0; font-size: 0; border: 16px dashed dashed solid dashed transparent transparent red transparent;"></span><span style="position: absolute; left: 30px; top: -27px; width: 0; height: 0; font-size: 0; border-width: 16px; border-style: dashed dashed solid dashed; border-color: transparent transparent #FFF transparent;" _mce_style="position: absolute; left: 30px; top: -27px; width: 0; height: 0; font-size: 0; border: 16px dashed dashed solid dashed transparent transparent #FFF transparent;"></span> “三角形箭头”例2 </div> <div style="position: relative; background: red; padding: 20px; color: #fff; margin-bottom: 30px;" _mce_style="position: relative; background: red; padding: 20px; color: #fff; margin-bottom: 30px;"> <span style="position: absolute; left: 30px; top: -16px; width: 0; height: 0; font-size: 0; border-width: 16px; border-style: dashed dashed dashed solid; border-color: transparent transparent transparent red;" _mce_style="position: absolute; left: 30px; top: -16px; width: 0; height: 0; font-size: 0; border: 16px dashed dashed dashed solid transparent transparent transparent red;"></span> “三角形箭头”例3 </div> <div style="position: relative; background: red; padding: 20px; color: #fff; margin-bottom: 30px;" _mce_style="position: relative; background: red; padding: 20px; color: #fff; margin-bottom: 30px;"> <span style="position: absolute; left: 30px; top: -16px; width: 0; height: 0; font-size: 0; border-width: 16px 24px; border-style: dashed dashed dashed solid; border-color: transparent transparent transparent red;" _mce_style="position: absolute; left: 30px; top: -16px; width: 0; height: 0; font-size: 0; border: 16px 24px dashed dashed dashed solid transparent transparent transparent red;"></span><span style="position: absolute; left: 14px; top: -32px; width: 0; height: 0; font-size: 0; border-width: 16px; border-style: dashed dashed solid dashed; border-color: transparent transparent #fff transparent;" _mce_style="position: absolute; left: 14px; top: -32px; width: 0; height: 0; font-size: 0; border: 16px dashed dashed solid dashed transparent transparent #fff transparent;"></span> “三角形箭头”例4 </div> <div style="position: relative; background: red; width: 160px; padding: 20px; color: #fff; margin-bottom: 30px;" _mce_style="position: relative; background: red; width: 160px; padding: 20px; color: #fff; margin-bottom: 30px;"> <span style="position: absolute; left: 0px; top: -12px; width: 188px; height: 0; font-size: 0; border-width: 6px; border-style: dashed dashed solid dashed; border-color: transparent transparent red transparent;" _mce_style="position: absolute; left: 0px; top: -12px; width: 188px; height: 0; font-size: 0; border: 6px dashed dashed solid dashed transparent transparent red transparent;"></span> 模拟梯形边<span style="position: absolute; left: 0px; bottom: -12px; width: 188px; height: 0; font-size: 0; border-width: 6px; border-style: solid dashed dashed dashed; border-color: red transparent transparent transparent;" _mce_style="position: absolute; left: 0px; bottom: -12px; width: 188px; height: 0; font-size: 0; border: 6px solid dashed dashed dashed red transparent transparent transparent;"></span> </div> <h2>看看这个例子就会明白所谓“三角边”了</h2> <div style="border-width:40px;border-style:solid;border-color:red green black blue;line-height:0;font-size:0;overflow:hidden;width:100px;height:0" _mce_style="line-height: 0; font-size: 0; overflow: hidden; width: 100px; height: 0; border: 40px solid red green black blue;"></div> <h2>把某些边透明掉就可以模拟三角形了，注意ie6下透明的边要是dotted或dashed</h2> <div style="border-width:40px;border-style:dashed dashed solid dashed;border-color:transparent transparent red transparent;line-height:0;font-size:0;width:0;height:0" _mce_style="line-height: 0; font-size: 0; width: 0; height: 0; border: 40px dashed dashed solid dashed transparent transparent red transparent;"></div> <div style="border-width:40px;border-style:dashed solid solid dashed;border-color:transparent blue red transparent;line-height:0;font-size:0;width:0;height:0" _mce_style="line-height: 0; font-size: 0; width: 0; height: 0; border: 40px dashed solid solid dashed transparent blue red transparent;"></div> </div>  </body> </html><br /><center>如不能显示效果，请按Ctrl+F5刷新本页，更多网页代码：<a href='http://www.veryhuo.com/' target='_blank'>http://www.veryhuo.com/</a></center>
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