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后台管理系统(iframe)和HTML样式优先级
寻梦人
Original
465 people have browsed it

1.后台管理系统

代码：

  1. <!DOCTYPE html>
  2. <html lang="zh-CN">
  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>后台管理系统</title>
  8.   </head>
  9.   <body>
  10.     <div class="box">
  11.       <header>
  12.         <h2>后台管理系统</h2>
  13.         <div class="user">
  14.           <span>admin</span>
  15.           <button>退出</button>
  16.         </div>
  17.       </header>
  18.       <nav>
  19.         <p><a href="../1.16/课程表.html" target="main">课程表</a></p>
  20.         <hr />
  21.         <p><a href="../1.16/表单.html" target="main">注册表单</a></p>
  22.         <hr />
  23.         <p><a href="../1.17/video.html" target="main">小视频</a></p>
  24.         <hr />
  25.       </nav>
  26.       <main>
  27.         <iframe src="../1.16/课程表.html" name="main" frameborder="0"></iframe>
  28.       </main>
  29.     </div>
  30.   </body>
  31.   <style>
  32.     * {
  33.       margin: 0;
  34.       padding: 0;
  35.       box-sizing: border-box;
  36.     }
  38.     header {
  39.       width: 100wh;
  40.       height: 10vh;
  41.       background-color: rgb(3, 102, 3);
  42.       color: white;
  43.     }
  45.     header > h2 {
  46.       float: left;
  47.       padding: 15px;
  48.     }
  50.     header > .user {
  51.       float: right;
  52.       padding: 20px 30px;
  53.     }
  55.     header button {
  56.       padding: 0 6px;
  57.     }
  59.     nav {
  60.       float: left;
  61.       width: 15vw;
  62.       height: 90vh;
  63.       background-color: bisque;
  64.       text-align: center;
  65.       padding-top: 50px;
  66.     }
  67.     nav > p {
  68.       margin: 10px;
  69.     }
  70.     nav > hr {
  71.       margin: 0 auto;
  72.     }
  73.     nav a {
  74.       text-decoration: none;
  75.     }
  77.     main {
  78.       float: right;
  79.       height: 90vh;
  80.       width: 80vw;
  81.     }
  83.     main > iframe {
  84.       width: 100%;
  85.       height: 100%;
  86.     }
  87.   </style>
  88. </html>

效果图



HTML样式优先级

代码

  1. <!DOCTYPE html>
  2. <html lang="zh-CN">
  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.     <!-- 外部样式 -->
  9.     <link rel="stylesheet" href="./css/style-case.css" />
  10.   </head>
  12.   <!-- 文档样式（内部样式） -->
  13.   <style>
  14.     h1 {
  15.       color: yellow;
  16.     }
  17.   </style>
  19.   <body>
  20.     <!-- 行内样式 -->
  21.     <h1 style="color: red">php.cn</h1>
  22.     <hr />
  24.     <h2>HTML元素的样式优先级：</h2>
  25.     <h3>行内样式>文档样式>外部样式</h3>
  26.   </body>
  27. </html>

Correcting teacher：PHPzPHPz

Correction status：qualified

Teacher's comments：完成的不错，没什么问题，继续加油
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