圣杯布局的自适应有点难啊,middle小于图片宽度时布局就异常了,如果是段落p,文本会自适应
来源:3-3 编程练习
不要太烂
2019-12-15 11:35:21
<!DOCTYPE html> <html lang="en"> <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> html, body { margin: 0px; padding: 0px; width: 100%; height: 100%; } .header { width: 100%; height: 5.5%; background-color: black; margin: 0 auto; } .logo { float: left; } .logo img { display: block; } .nav { float: right; height: 100%; margin-right: 100px; } .nav ul { list-style: none; padding: 0; margin: 0; } .nav ul li { color: white; display: block; line-height: 50px; margin: 0 20px; float: left; } .logo img { width: 150px; height: 100%; } .footer ul { list-style: none; padding: 0; margin: 0 auto; } .footer ul li { display: inline-block; color: white; line-height: 50px; margin: 0 40px; } .footer { height: 5.5%; background: black; text-align: center; width: 100%; } a { text-decoration: none; color: white } .container { height: 89vh; padding: 0 400px; } div.middle{ width:100%; float: left; background-color: pink; position: relative; height: 89vh; text-align: center; } div.left{ margin-left: -100%; left: -400px; width: 400px; background: rgb(253, 236, 210); height: 89vh; } div.right{ margin-left: -400px; right: -400px; width: 400px; background: rgb(159, 208, 224); height: 89vh; } div.left, div.right{ width: 400px; float: left; position: relative; min-width: 400px; padding-top: 40px; box-sizing: border-box; padding-left: 40px; } div.left ul { list-style: none; margin: 0; padding: 0; } .left ul li { margin-bottom: 16px; } span { background-color: pink; } input { width: 200px; height: 30px; margin-bottom: 20px; border: 1px solid rgb(167, 188, 195); } input[type="submit"] { background: red; color: white; font-weight: bold; } .middle img{ margin-top: 40px; } </style> </head> <body> <div class="header"> <div class="logo"> <a href="https://www.gradle.xyz/config.json"><img src="http://climg.mukewang.com/58c0d2d900016ce303000100.png" alt=""></a> </div> <div class="nav"> <ul> <li><a href="https://www.gradle.xyz/config.json">课程</a></li> <li><a href="https://www.gradle.xyz/config.json">职业路径</a></li> <li><a href="https://www.gradle.xyz/config.json">实战</a></li> <li><a href="https://www.gradle.xyz/config.json">猿问</a> </li> <li><a href="https://www.gradle.xyz/config.json">手记</a></li> </ul> </div> </div> <div class="container"> <div class="middle"> <img src="http://climg.mukewang.com/590037e00001fab706000400.jpg" alt=""> </div> <div class="left"> <h3>课程推荐</h3> <ul> <li><span>职业路径</span> HTML5与CSS3实现动态网页</li> <li><span>职业路径</span> 零基础入门Android语法与界面</li> <li><span>职业路径</span> iOS基础语法和常用控件</li> <li><span>职业路径</span> PHP入门开发</li> <li><span>职业路径</span> JAVA入门开发</li> </ul> </div> <div class="right"> <h3>登录</h3> <form action="https://httpbin.org/get"> <input type="text" name="username" placeholder="用户名"> <br> <input type="password" name="password" placeholder="密码"> <br> <input type="submit" value="登录"> </form> </div> </div> <div class="footer"> <ul> <li><a href="https://www.gradle.xyz/config.json">网站首页</a></li> <li><a href="https://www.gradle.xyz/config.json">企业合作</a></li> <li><a href="https://www.gradle.xyz/config.json">人才招聘</a></li> <li><a href="https://www.gradle.xyz/config.json">联系我们</a></li> <li><a href="https://www.gradle.xyz/config.json">常见问题</a></li> <li><a href="https://www.gradle.xyz/config.json">友情链接</a></li> </ul> </div> </body> </html>
1回答
好帮手慕夭夭
2019-12-15
同学你好,这是因为图片不设置宽度,默认不会显示原图大小,不会因为页面变化而变化。可以设置一个百分比的宽度,让它自适应。如下:
页面缩小的特比小,元素放不下会被下去,布局就会变乱了。建议给页面设置最小宽度,这样浏览器缩小到最小宽度时,继续缩小,页面保持在最小宽度布局则不会变乱。
另外,圣杯布局确实有一点难度。不过不用担心,实际开发中不会用到这样的布局。这个课程作为课程学习,简单练习一下即可。
如果我的回答帮助到了你,欢迎采纳,祝学习愉快~
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