wap、3g手机的端的网页头部
<meta content="width=device-width, initial-scale=1.0, maximum-scale=1.5, user-scalable=1" name="viewport" /> maximum-scale 允许放大的倍数 user-scalable 等于零不允许放大
<meta content="width=device-width, initial-scale=1.0, maximum-scale=1.5, user-scalable=1" name="viewport" /> maximum-scale 允许放大的倍数 user-scalable 等于零不允许放大