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rem\vw\px之间换算
P粉116103988
Original
1082 people have browsed it

三大视口之间换算

代码如下：

  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4.     <meta charset="UTF-8">
  5.     <meta http-equiv="X-UA-Compatible" content="IE=edge">
  6.     <meta name="viewport" content="width=device-width, initial-scale=1.0">
  7.     <title>Document</title>
  8. </head>
  9. <body>
  10.     <div class="text">
  11.         <div class="title">
  12.             <h2>PHP中文网</h2>
  13.         </div>
  14.         <div class="content">
  15.             PHP中文网，程序员梦想开始的地方！
  16.         </div>
  17.     </div>
  19.     <style>
  20.         /* 将1rem设置为100px:方便计算 */
  21.         html{
  22.             /* font-size: 100px; */
  23.             /* 移动端Iphne6/11宽度为375px：100vw=375px */
  24.             /* 移动端布局：布局视口=视觉视口 */
  25.             font-size: calc(100VW/3.75);
  26.         }
  27.         /* 重置大小 */
  28.         body{
  29.             /* font-size: 16px; */
  30.             /* 把px转为rem表示,字体就会随着视口宽度的变化而变化 */
  31.             font-size: 0.16rem;
  32.         }
  33.         @media (max-width:330px){
  34.             /* 设置移动端视口变小后的最小字体：14px */
  35.             /* 16px=1rem,14px=?rem ：14/16*1=0.875rem*/
  36.             /* 然后将rem转为px：0.875*100=87.5px */
  37.             html{
  38.                 /* 将这里大小固定下来，设备视口宽度小于330px后字体大小将固定为14px */
  39.                 font-size:87.5px ;
  40.             }
  41.         }
  42.         @media (min-width:470px){
  43.             html{
  44.                 /* 20/16=1.25rem*100px=125px, */
  45.                 font-size: 125px;
  46.             }
  47.         }
  48.         .text{
  50.             background-color: beige;
  51.         }
  52.         /* .text .title,
  53.         .text .content{
  54.             width: 980px;
  55.             text-align: center;
  56.             margin: auto;
  57.         } */
  58.     </style>
  59. </body>
  60. </html>

效果图如下：

Correcting teacher：PHPzPHPz

Correction status：qualified

Teacher's comments：
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