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tiantingrui / daily-harvest

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css 画一个三角形 （拓展：画一个扇形） #25

Open tiantingrui opened 2 years ago

tiantingrui commented 2 years ago 
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>三角形</title>
  <style>
    body{
      margin: 0;
      padding: 0;
    }
    .box {
      position: relative;
      width: 0;
      /* width: 300px; */
      /* height: 300px; */
      /* border: 200px solid; */
      border-width: 0 40px 40px;
      border-style: solid;
      border-color: transparent transparent pink;
    }
  </style>
</head>
<body>
  <div class="box"></div>
</body>
</html>
tiantingrui commented 2 years ago

css 画一个扇形

原理：

  1. 搞懂 border 的属性
  2. 先会画出三角形
  3. 再用border-radius 去画扇形
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>扇形</title>
  <style>
    body{
      margin: 0;
      padding: 0;
    }
    .box {
      width: 0;
      border-width: 0 40px 40px;
      border-style: solid;
      border-radius: 50%;
      border-color: transparent transparent pink;
    }
  </style>
</head>
<body>
  <div class="box"></div>
</body>
</html>