先贴上全部例子代码:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<script src="http://g.tbcdn.cn/mtb/lib-flexible/0.3.4/??flexible_css.js,flexible.js"></script>
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
*{
margin:0;
padding: 0;
}
div{
width:10rem;
height: 1rem;
background-color: red;
}
</style>
</head>
<body>
<div></div>
</body>
</html>
最主要是的:
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<script src="http://g.tbcdn.cn/mtb/lib-flexible/0.3.4/??flexible_css.js,flexible.js"></script>
js动态的改变body上的font-size属性,举个例子:
在iphone6上动态设置了body font-size:37.5px 那么只需要写10rem就是一个全屏,如果设计图给的正好是750的设计图,750 = 10rem的比例换算就行了