CSS中三角形在网页中比较常见,以前是图片,不过现在基本上都是通过CSS可以完成,实现比较简单,我们可以看一组简单的三角形效果:
其实实现起来比较简单,通过空div然后设置宽高为0,之后可以四周border的宽度,控制三角形的形状,四个border可以看成是两横横竖的木头的重叠的效果,两横在两竖上面,三角形就是中间重叠的部分切分出来的,样式的代码如下:
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.triangle { 0; height: 0; border-top: 20px solid #EEB422; border-right: 20px solid #C0FF3E; border-bottom: 20px solid #A020F0; border-left: 20px solid #7CFC00; } .triangle-up { 0; height: 0; border-right: 20px solid transparent; border-bottom: 40px solid #A020F0; border-left: 20px solid transparent; } .triangle-down { 0; height: 0; border-top: 40px solid #EEB422; border-right: 20px solid transparent; border-left: 20px solid transparent; } .triangle-left { 0; height: 0; border-top: 20px solid transparent; border-bottom: 20px solid transparent; border-left: 40px solid #7CFC00; } .triangle-right { 0; height: 0; border-top: 20px solid transparent; border-bottom: 20px solid transparent; border-right: 40px solid #C0FF3E; } .triangle-left-bottom { 0; height: 0; border-top: 40px solid transparent; border-left: 40px solid #7CFC00; } .triangle-right-bottom { 0; height: 0; border-top: 40px solid transparent; border-right: 40px solid #C0FF3E; } |
具体的html页面代码:
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< div class="row"> < span >四个三角</ span > < div class="triangle"> </ div > </ div > < div class="row"> < span >上三角</ span > < div class="triangle-up"> </ div > </ div > < div class="row"> < span >下三角</ span > < div class="triangle-down"> </ div > </ div > < div class="row"> < span >左三角</ span > < div class="triangle-left"> </ div > </ div > < div class="row"> < span >右三角</ span > < div class="triangle-right"> </ div > </ div > < div class="row"> < span >左下角</ span > < div class="triangle-left-bottom"> </ div > </ div > < div class="row"> < span >右下角</ span > < div class="triangle-right-bottom"> </ div > </ div > |