Home Web Front-end HTML Tutorial 虎扯:纯css3各方向小三角的制作原理分析 - 小老虎的牙

虎扯:纯css3各方向小三角的制作原理分析 - 小老虎的牙

May 22, 2016 pm 05:19 PM

 

入驻博客园两个月之后的第一篇随笔,希望能够做到三个原则:

One:不浪费自己的时间,

Tow:不浪费读者的时间,

第三就是希望有缘的朋友们多多指教,共度前端快乐的大坑!!!

 


 

 

咱们今天来做一个居家旅行必备的小tips,展现前端老前辈的智慧,积淀的文化...

先来一个小口诀【呆会会用到的,不用着急记住它哦】

四方小三角(上,下,左,右)

尖角反方线,给颜色  /*设置边线*/

两边夹角线成透明  /*设置边线*/

参数都相同  /*线的参数都一样*/

给予三条边  /*有三条边哦*/

 

八方小三角(左上,左下,右上,右下)

左右相反成透明 /*设置边线*/

上下相同给颜色  /*设置边线*/

送你两条边  /*好方便,就两条边*/

 


 

 

哥们上代码:举个梨子

四方来角之(up,up,up上)来个div盒子,是否可以用其他的容器?(哥们没试过,够用就好)

<div class="up"></div>
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.up{
	position: absolute;;  /*这里咱可以视情况而定*/
	border-left:30px solid transparent;  /*口诀,左,右边成透明*/
        border-right:30px solid transparent;  /*30px可以控制三角的大小*/
        border-bottom:30px solid black;  /*口诀,相反线,给颜色*/
	width: 0;
	height: 0; /*否则小三角在block状态下,会拉满宽度*/
}
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结果是:这样的(无视小鼠标)


哥们上代码(2)

先复习一遍口诀,向上向上走...

然后再来,举个梨子(八方来角之“left-top,left-top,left-top左上”)

<div class="left-top"><div/>
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.left-top{
	position: relative;
	border-top: 30px solid lawngreen;  /*发现没有上下相同,设置颜色*/<br />        border-right: 30px solid transparent; /*左右相反,给透明*/
        width: 0;      /*只有两条边的设置哦*/
  	height: 0;
}
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效果图:(完美哦!!)

其中的口诀,可以完全使用,最主要的好处就是可以不用记住源码,自己手写的css然后在网页中完美显示的感觉就是“这个feel倍爽,倍爽...”

 

主要的用途:

“导航栏中的小三角指向”

“其他暂时没有发现,哈哈哒..”

如果小白同志看见这篇文章的时候,就联系我吧,菜鸟见小白,哥俩泪汪汪

有幸被大神看见,那是三生有幸,希望指导一二

 


 

 

到这为止,小三角tips的博文就玩了,其中原理可理解也可不理解,网上有一大堆的源码,直接拿过来用就是了,但是不符合咱可贵的极客精神

 来一起念一遍“极客精神,极客精神..”

 

片尾声明:

本文的原理是博主自己的收集理解,经过测试完全没有问题,当然也不排除有其他的方式达到这种效果,各位前端的博友有志同道合的请关注我或者我

要关注你哦

 

最后的落款:

16-03-10日,

环境还是不错的,

周围室友愉快的斗地主

 

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