圣杯布局及双飞翼布局主要用于解决左右两边盒子固定宽度。中间盒子宽度自适应的问题。
圣杯布局：
<!doctype html> <html> <head> <title>圣杯布局</title> <meta charset="utf-8"> <style> body { min-width: 800px; margin: 0; padding: 0; } .container { padding: 0 300px 0 200px; overflow: hidden; } .header { width: 100%; height: 100px; background-color: lightblue; } .footer { width: 100%; height: 50px; background-color: lightblue; } .middle, .left, .right{ position: relative; } .middle { float: left; width: 100%; height: 100px; text-align: center; background: lightcoral; } .left { float: left; width: 200px; margin-left: -100%; left:-200px; height: 100px; background: lightgreen; } .right { float: left; width: 300px; height: 100px; margin-left: -300px; right: -300px; background: lightseagreen; } </style> </head> <body> <div class="header">header</div> <div class="container"> <div class="middle">middle</div> <div class="left">left</div> <div class="right">right</div> </div> <div class="footer">footer</div> </body> </html>
双飞翼布局：
<!doctype html> <html> <head> <title>圣杯布局</title> <meta charset="utf-8"> <style> body { min-width: 800px; margin: 0; padding: 0; } .container { width:100%; height:100px; background-color: red; float: left; } .header { width: 100%; height: 100px; background-color: lightblue; } .footer { width: 100%; height: 50px; clear: both; background-color: lightblue; } .middle { margin: 0 300px 0 200px; } .left { float: left; width: 200px; margin-left: -100%; height: 100px; background: lightgreen; } .right { float: left; width: 300px; height: 100px; margin-left: -300px; background: lightseagreen; } </style> </head> <body> <div class="header">header</div> <div class="container"> <div class="middle">middle <div>hahah</div></div> </div> <div class="left">left</div> <div class="right">right</div> <div class="footer">footer</div> </body> </html>
另外用弹性盒模型可以很容易的构造三列布局
<html> <head> <meta charset="utf-8"> <style> body{ margin: 0; } .container{ display: flex; height: 100px; } .middle{ width: 100%; background: lightblue; } .left,.right{ background: lightcoral; width: 200px; } </style> </head> <body> <div class="container"> <div class="left">left</div> <div class="middle">middle</div> <div class="right">right</div> </div> </body> </html>
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双飞翼布局