左邊固定,右邊自適應解決方案


1 首先利用浮動

給左邊設置寬度,高度,浮動為left

右邊不寫寬度,給高度,給margin-left設置左邊容器的寬度,撐開

因為div屬於塊級元素會自動占滿一行

<!DOCTYPE html>

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <style>
    .left {
      width: 200px;
      height: 100px;
      background: blueviolet;
    }

    .right {
      background: goldenrod;
      height: 100px;
    }

    .l {
      float: left;
    }

    .r {}
  </style>
</head>

<body>
  <div>
    <div class="left l">固定200px</div>
    <div class="right r">自動充滿</div>
  </div>
</body>
<script>

</script>

</html>

 

 

2 利用定位

父級設置相對定位

左右設置為絕對定位,右邊的設置為寬度百分之百,開啟怪異盒子,padding-left設置為左邊的寬度,

重點左邊的設置z-index為1,浮動在右邊的上邊

<!DOCTYPE html>

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <style>
    .left {
      width: 200px;
      height: 100px;
      background: blueviolet;
    }

    .right {
      background: goldenrod;
      height: 100px;
    }

    .l {
      position: absolute;
      z-index: 1;
    }

    .r {
      position: absolute;
      right: 0;
      top: 0;
      width: 100%;
      padding-left: 200px;
      box-sizing: border-box;
    }
  </style>
</head>

<body>
  <div style="position: relative;">
    <div class="left l">固定200px</div>
    <div class="right r">自動充滿</div>
  </div>
</body>
<script>

</script>

</html>

 

 

3利用彈性盒子

<!DOCTYPE html>

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <style>
    .left {
      width: 200px;
      height: 100px;
      background: blueviolet;
    }

    .right {
      background: goldenrod;
      height: 100px;
    }

    .l {}

    .r {
      flex: 1;
    }
  </style>
</head>

<body>
  <div style="display: flex;">
    <div class="left l">固定200px</div>
    <div class="right r">自動充滿</div>
  </div>
</body>
<script>

</script>

</html>

 


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