网页要适应移动端或pad时,头部要加一句类似:<meta name="viewport" content="width=device-width,height=device-height,user-scalable=yes" />
输入框填的时候页面不自动放大:
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0,maximum-scale=1.0, user-scalable=no">