手机页面设计一般的大小是640,但是,手机屏幕大小确实不确定的,这样,怎么才能做出适应所有手机的手机页面呢?
一般的解决方案有两种,rem布局和百分比布局。这两种方案我有都试过,所以现在更推荐用rem布局来制作手机页面;
rem布局的兼容性:
Mozilla Firefox 3.6+、Apple Safari 5+、Google Chrome、IE9+和Opera11+、ie6-ie8 还是别用rem
不过现在的手机一般浏览器,一般可以直接不用去管IE内核的浏览器了。
REM的计算公式
例:html 设置font-size:16px 1rem = 16px
那么640px = 640/16 =40rem
个人建议设置为100px 方便计算
首先,给页面的html定义一个100px的
html{ font-size:100px;}/设定基础rem/
然后,最核心的代码就是这一段js运算了,根据页面的大小来控制基础rem的值;
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| new function (){ var _self = this; _self.width = 640; _self.fontSize = 100; _self.widthProportion = function(){var p = (document.body&&document.body.clientWidth||document.getElementsByTagName("html")[0].offsetWidth)/_self.width;return p>1?1:p<0.5?0.5:p;}; _self.changePage = function(){ document.getElementsByTagName("html")[0].setAttribute("style","font-size:"+_self.widthProportion()*_self.fontSize+"px !important"); } _self.changePage(); window.addEventListener('resize',function(){_self.changePage();},false); };
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demo
完整代码:
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| <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0"> <meta charset="utf-8"> <title>rem基础布局</title> <script type="text/javascript"> new function (){ var _self = this; _self.width = 640; _self.fontSize = 100; _self.widthProportion = function(){var p = (document.body&&document.body.clientWidth||document.getElementsByTagName("html")[0].offsetWidth)/_self.width;return p>1?1:p<0.5?0.5:p;}; _self.changePage = function(){ document.getElementsByTagName("html")[0].setAttribute("style","font-size:"+_self.widthProportion()*_self.fontSize+"px !important"); } _self.changePage(); window.addEventListener('resize',function(){_self.changePage();},false); }; </script> <style type="text/css">
*{margin: 0px; padding: 0px;} ul{list-style: none;} .wrap{min-width: 320px; max-width: 640px; width: 100%; margin: 0px auto;; background: #2a6ace; font-family:'微软雅黑', 'helvetica neue',tahoma,'hiragino sans gb',stheiti,'wenquanyi micro hei',\5FAE\8F6F\96C5\9ED1,\5B8B\4F53,sans-serif; font-size: 12px;}
.pro{width:6.2rem; margin: 0px auto; padding-top: 20px; overflow: hidden;} .clearfix:after {content:"";height:0;display:block;clear:both;} .clearfix {zoom:1;} .pro ul{width:6.4rem;} .pro li{width: 3rem; height: 3.6rem; float: left; margin: 0 0.2rem 0.2rem 0;} .pro li .box{width: 3rem; height: 3rem; background: #ccc;} .pro li p{font-size: 0.24rem; line-height: 0.6rem; text-align: center;} </style> </head> <body> <div class="wrap"> <div class="pro"> <ul class="clearfix"> <li> <div class="box"></div> <p>区块文案</p> </li> <li> <div class="box"></div> <p>区块文案</p> </li> <li> <div class="box"></div> <p>区块文案</p> </li> <li> <div class="box"></div> <p>区块文案</p> </li> <li> <div class="box"></div> <p>区块文案</p> </li> </ul> </div> </div> </body> </html>
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