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  • 纯CSS绘制三角形

    使用CSS绘制三角形

    正三角形的绘制:

     1 <!DOCTYPE html>
     2 <html lang="en">
     3 <head>
     4     <meta charset="UTF-8">
     5     <title>正三角形</title>
     6     <style type="text/css">
     7         #triangle-up {
     8              0;
     9             height: 0;
    10             border-left: 50px solid transparent;
    11             border-right: 50px solid transparent;
    12             border-bottom: 100px solid red;
    13         }
    14     </style>
    15 </head>
    16 <body>
    17 <div style="margin-bottom: 8px">triangle-up</div>
    18 <div id="triangle-up"></div>
    19 </body>
    20 </html>

    效果图:

    倒三角绘制:

     1 <!DOCTYPE html>
     2 <html lang="en">
     3 <head>
     4     <meta charset="UTF-8">
     5     <title>倒三角形</title>
     6     <style type="text/css">
     7         #triangle-down {
     8              0;
     9             height: 0;
    10             border-left: 50px solid transparent;
    11             border-right: 50px solid transparent;
    12             border-top: 100px solid red;
    13         }
    14     </style>
    15 </head>
    16 <body>
    17 <div style="margin-bottom: 8px">triangle-down</div>
    18 <div id="triangle-down"></div>
    19 </body>
    20 </html>

    效果图:

    左三角形绘制:

     1 <!DOCTYPE html>
     2 <html lang="en">
     3 <head>
     4     <meta charset="UTF-8">
     5     <title>左三角形</title>
     6     <style type="text/css">
     7         #triangle-left {
     8              0;
     9             height: 0;
    10             border-top: 50px solid transparent;
    11             border-right: 100px solid red;
    12             border-bottom: 50px solid transparent;
    13         }
    14     </style>
    15 </head>
    16 <body>
    17 <div style="margin-bottom: 8px">triangle-left</div>
    18 <div id="triangle-left"></div>
    19 </body>
    20 </html>

    效果图:

    右三角形绘制:

     1 <!DOCTYPE html>
     2 <html lang="en">
     3 <head>
     4     <meta charset="UTF-8">
     5     <title>右三角形</title>
     6     <style type="text/css">
     7         #triangle-right {
     8              0;
     9             height: 0;
    10             border-top: 50px solid transparent;
    11             border-left: 100px solid red;
    12             border-bottom: 50px solid transparent;
    13         }
    14     </style>
    15 </head>
    16 <body>
    17 <div style="margin-bottom: 8px">triangle-right</div>
    18 <div id="triangle-right"></div>
    19 </body>
    20 </html>

    效果图:

    直角三角形(左上角):

     1 <!DOCTYPE html>
     2 <html lang="en">
     3 <head>
     4     <meta charset="UTF-8">
     5     <title>直角三角形(左上角)</title>
     6     <style type="text/css">
     7         #triangle-topleft {
     8              0;
     9             height: 0;
    10             border-top: 100px solid red;
    11             border-right: 100px solid transparent;
    12         }
    13     </style>
    14 </head>
    15 <body>
    16 <div style="margin-bottom: 8px">triangle-topleft</div>
    17 <div id="triangle-topleft"></div>
    18 </body>
    19 </html>

    效果图:

    直角三角形(右上角):

     1 <!DOCTYPE html>
     2 <html lang="en">
     3 <head>
     4     <meta charset="UTF-8">
     5     <title>直角三角形(右上角)</title>
     6     <style type="text/css">
     7         #triangle-topright {
     8              0;
     9             height: 0;
    10             border-top: 100px solid red;
    11             border-left: 100px solid transparent;
    12         }
    13     </style>
    14 </head>
    15 <body>
    16 <div style="margin-bottom: 8px">triangle-topright</div>
    17 <div id="triangle-topright"></div>
    18 </body>
    19 </html>

    效果图:

    直角三角形(左下角):

     1 <!DOCTYPE html>
     2 <html lang="en">
     3 <head>
     4     <meta charset="UTF-8">
     5     <title>直角三角形(左下角)</title>
     6     <style type="text/css">
     7         #triangle-bottomleft {
     8             width: 0;
     9             height: 0;
    10             border-bottom: 100px solid red;
    11             border-right: 100px solid transparent;
    12         }
    13     </style>
    14 </head>
    15 <body>
    16 <div style="margin-bottom: 8px">triangle-bottomleft</div>
    17 <div id="triangle-bottomleft"></div>
    18 </body>
    19 </html>

    效果图:

    直角三角形(右下角):

     1 <!DOCTYPE html>
     2 <html lang="en">
     3 <head>
     4     <meta charset="UTF-8">
     5     <title>直角三角形(右下角)</title>
     6     <style type="text/css">
     7         #triangle-bottomright {
     8             width: 0;
     9             height: 0;
    10             border-bottom: 100px solid red;
    11             border-left: 100px solid transparent;
    12         }
    13     </style>
    14 </head>
    15 <body>
    16 <div style="margin-bottom: 8px">triangle-bottomright</div>
    17 <div id="triangle-bottomright"></div>
    18 </body>
    19 </html>

    效果图:

    结束语:

      周末了,本来想好好休息一下的,可是又不知道休息干什么,就把平时用到的一些东东总结一下吧,方便他人也方便自己。

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  • 原文地址:https://www.cnblogs.com/pizitai/p/6441333.html
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