flex实现骰(tou)子点数

效果演示

在这里插入图片描述

分析思路

image-20240202213028669
5点需要使用margin进行移动点数。而6点的话,使用align-content: space-between; justify-content: space-between;就能实现,不过需要注意的是主轴为侧轴,dot的第二个要给padding才能实现每一列3个点。

代码实现

<!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>骰子点数</title>
    <style>
      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }

      .wrapper {
        margin: 100px 100px;
        width: 800px;
        height: 500px;
        border-radius: 10px;
        background-color: #232323;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-around;
      }

      .dot {
        width: 20px;
        height: 20px;
        border-radius: 50%;
        background-color: #000;
      }

      .box-common {
        width: 100px;
        height: 100px;
        display: flex;
        background-color: #fff;
        padding: 4px;
        margin: 60px;
        border-radius: 8px;
      }
      /* 1点的写法 主轴与侧轴垂直 */
      .box1 {
        align-items: center;
        justify-content: center;
      }

      /* 2点的写法 主轴为侧轴 两端对齐 首尾对齐 */
      .box2 {
        flex-direction: column;
        justify-content: space-between;
        align-items: center;
      }
      /* align-self子元素属性,控制自身的排列 */
      .dot2-1 {
        align-self: flex-start;
      }
      /* align-self子元素属性,控制自身的排列 */
      .dot2-2 {
        align-self: flex-end;
      }

      /* 3点的写法 */
      .box3 {
        justify-content: space-between;
      }
      .dot3-1 {
        align-self: flex-start;
      }
      .dot3-2 {
        align-self: center;
      }
      .dot3-3 {
        align-self: flex-end;
      }
      /* 4点写法 */
      .box4 {
        flex-wrap: wrap;
      }
      .dot4 {
        width: 50%;
        height: 50%;
        display: flex;
      }
      .dot4:nth-child(2) {
        justify-content: flex-end;
      }
      .dot4:nth-child(3) {
        align-items: flex-end;
      }
      .dot4:nth-child(4) {
        justify-content: flex-end;
        align-items: flex-end;
      }
      /* 5点写法 */
      .box5 {
        flex-wrap: wrap;
        justify-content: center;
        align-content: space-between;
      }
      .dot5:nth-child(1) {
        margin-right: 40px;
      }
      .dot5:nth-child(3) {
        margin-left: 40px;
        margin-right: 40px;
        align-self: center;
      }
      .dot5:nth-child(4) {
        margin-right: 40px;
      }
      /* 6点写法 */
      .box6 {
        display: flex;
        flex-direction: column;
        flex-wrap: wrap;
        align-content: space-between;
        justify-content: space-between;
      }
      .dot6:nth-child(2) {
        padding: 10px 0;
      }
    </style>
  </head>

  <body>
    <div class="wrapper">
      <!-- 一点 父容器,主轴居中,侧轴居中-->
      <div class="box1 box-common">
        <div class="dot"></div>
      </div>
      <!-- 二点 主容器主轴为侧轴,居中,每一个子项单独控制,第一个flex-start,第二个flex-end-->
      <div class="box2 box-common">
        <div class="dot dot2-1"></div>
        <div class="dot dot2-2"></div>
      </div>
      <!-- 三点 同2点写法一样,只不过中间的点是center-->
      <div class="box3 box-common">
        <div class="dot dot3-1"></div>
        <div class="dot dot3-2"></div>
        <div class="dot dot3-3"></div>
      </div>
      <!-- 四点 分为四个部分,嵌套两层flex盒子-->
      <div class="box4 box-common">
        <div class="dot4">
          <div class="dot"></div>
        </div>
        <div class="dot4">
          <div class="dot"></div>
        </div>
        <div class="dot4">
          <div class="dot"></div>
        </div>
        <div class="dot4">
          <div class="dot"></div>
        </div>
      </div>
      <!-- 5点写法 -->
      <div class="box5 box-common">
        <div class="dot5">
          <div class="dot"></div>
        </div>
        <div class="dot5">
          <div class="dot"></div>
        </div>
        <div class="dot5">
          <div class="dot"></div>
        </div>
        <div class="dot5">
          <div class="dot"></div>
        </div>
        <div class="dot5">
          <div class="dot"></div>
        </div>
      </div>
      <!-- 六点写法 -->
      <div class="box6 box-common">
        <div class="dot6">
          <div class="dot"></div>
        </div>
        <div class="dot6">
          <div class="dot"></div>
        </div>
        <div class="dot6">
          <div class="dot"></div>
        </div>
        <div class="dot6">
          <div class="dot"></div>
        </div>
        <div class="dot6">
          <div class="dot"></div>
        </div>
        <div class="dot6">
          <div class="dot"></div>
        </div>
      </div>
    </div>
  </body>
</html>

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