HTML
CSS
页面布局
html
题目:假设高度已知,请写出三栏布局,其中左栏、右栏各为300px,中间自适应
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Layout</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <style media="screen"> html * { padding: 0; margin: 0; } .layout { margin-top: 20px; } .layout article div { min-height: 100px; } </style> </head> <body> <section class="layout float"> <style media="screen"> .layout.float .left { float: left; width: 300px; background: red; } .layout.float .right { float: right; width: 300px; background: blue; } .layout.float .center { background: yellow; } </style> <!-- 浮动解决方案 --> <article class="left-right-center"> <div class="left"></div> <div class="right"></div> <div class="center"> <h1>浮动解决方案</h1> 1.这是三栏布局的中间部分 2.这是三栏布局的中间部分 </div> </article> </section> <!-- 绝对定位解决方案 --> <section class="layout absolute"> <style> .layout.absolute .left-center-right>div { position: absolute; } .layout.absolute .left { left: 0; width: 300px; background: red; } .layout.absolute .center { left: 300px; right: 300px; background: yellow; } .layout.absolute .right { right: 0px; width: 300px; background: blue; } </style> <article class="left-center-right"> <div class="left"></div> <div class="center"> <h2>绝对定位解决方案</h2> 1.这是三栏布局绝对定位中间部分 2.这是三栏布局绝对定位中间部分 </div> <div class="right"></div> </article> </section> <!-- flexbox解决方案 --> <section class="layout flexbox"> <style> .layout.flexbox { margin-top: 140px; } .layout.flexbox .left-center-right { display: flex; } .layout.flexbox .left { width: 300px; background: red; } .layout.flexbox .center { /* flex: 1;占满剩余空间 */ background: yellow; } .layout.flexbox .right { width: 300px; background: blue; } </style> <article class="left-center-right"> <div class="left"></div> <div class="center"> <h2>flexbox解决方案</h2> 1.这是三栏布局flex中间部分 2.这是三栏布局flex中间部分 </div> <div class="right"></div> </article> </section> <!-- 表格布局解决方案 --> <section class="layout table"> <style> .layout.table .left-center-right { width: 100%; display: table; height: 100px; } .layout.table .left-center-right>div { display: table-cell; } .layout.table .left { width: 300px; background: red; } .layout.table .center { background: yellow; } .layout.table .right { width: 300px; background: blue; } </style> <article class="left-center-right"> <div class="left"></div> <div class="center"> <h2>表格布局</h2> 1.这是三栏布局表格布局的中间部分 2.这是三栏布局表格布局的中间部分 </div> <div class="right"></div> </article> </section> <!-- 网格布局 --> <section class="layout grid"> <style> .layout.grid .left-center-right { display: grid; width: 100%; grid-template-rows: 100px; grid-template-columns: 300px auto 300px; } .layout.grid .left { background: red; } .layout.grid .center { background: yellow; } .layout.grid .right { background: blue; } </style> <article class="left-center-right"> <div class="left"></div> <div class="center"> <h2>网格布局解决方案</h2> 1.这是三栏布局网格布局的中间部分 2.这是三栏布局网格布局的中间部分 </div> <div class="right"></div> </article> </section> </body> </html>