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position.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<!-- 是否启用 WebApp 全屏模式，删除苹果默认的工具栏和菜单栏 -->
<meta name="apple-mobile-web-app-capable" content="yes">
<!-- 设置苹果工具栏颜色 -->
<meta name="apple-mobile-web-app-status-bar-style" content="blue">
<!-- 忽略页面中的数字识别为电话，忽略email识别 -->
<meta name="format-detection" content="telephone=no, email=no">
<!--清除缓存 微信浏览器缓存严重又无刷新-->
<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate">
<meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Expires" content="0">
<!--uc强制全屏-->
<meta name="screen-orientation" content="portrait">
<!-- QQ强制竖屏 -->
<meta name="x5-orientation" content="portrait">
<!-- windows phone 点击无高光 -->
<meta name="msapplication-tap-highlight" content="no">
<script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script src="js/cookie.min.js"></script>
<script src="http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js"></script>
<script src="js/citydata.js"></script>
<script src="js/common.min.js"></script>
<script src="js/position.min.js"></script>
<!--定位当前城市js-->
<link rel="stylesheet" href="css/reset.css">
<link rel="stylesheet" href="css/common.css">
<link rel="stylesheet" href="css/position.css">
<!--设置页面的fonsize应用rem布局1rem=设计稿的100px-->
<script>
;(function (win, lib) {
var doc = win.document;
var docEl = doc.documentElement;
var metaEl = doc.querySelector('meta[name="viewport"]');
var flexibleEl = doc.querySelector('meta[name="flexible"]');
var dpr = 0;
var scale = 0;
var tid;
var flexible = lib.flexible || (lib.flexible = {});
if (metaEl) {
console.warn('将根据已有的meta标签来设置缩放比例');
var match = metaEl.getAttribute('content').match(/initial\-scale=([\d\.]+)/);
if (match) {
scale = parseFloat(match[1]);
dpr = parseInt(1 / scale);
}
} else if (flexibleEl) {
var content = flexibleEl.getAttribute('content');
if (content) {
var initialDpr = content.match(/initial\-dpr=([\d\.]+)/);
var maximumDpr = content.match(/maximum\-dpr=([\d\.]+)/);
if (initialDpr) {
dpr = parseFloat(initialDpr[1]);
scale = parseFloat((1 / dpr).toFixed(2));
}
if (maximumDpr) {
dpr = parseFloat(maximumDpr[1]);
scale = parseFloat((1 / dpr).toFixed(2));
}
}
}
if (!dpr && !scale) {
var isAndroid = win.navigator.appVersion.match(/android/gi);
var isIPhone = win.navigator.appVersion.match(/iphone/gi);
var devicePixelRatio = win.devicePixelRatio;
if (isIPhone) {
// iOS下，对于2和3的屏，用2倍的方案，其余的用1倍方案
if (devicePixelRatio >= 3 && (!dpr || dpr >= 3)) {
dpr = 3;
} else if (devicePixelRatio >= 2 && (!dpr || dpr >= 2)) {
dpr = 2;
} else {
dpr = 1;
}
} else {
// 其他设备下，仍旧使用1倍的方案
dpr = 1;
}
scale = 1 / dpr;
}
docEl.setAttribute('data-dpr', dpr);
if (!metaEl) {
metaEl = doc.createElement('meta');
metaEl.setAttribute('name', 'viewport');
metaEl.setAttribute('content', 'initial-scale=' + scale + ', maximum-scale=' + scale + ', minimum-scale=' + scale + ', user-scalable=0');
if (docEl.firstElementChild) {
docEl.firstElementChild.appendChild(metaEl);
} else {
var wrap = doc.createElement('div');
wrap.appendChild(metaEl);
doc.write(wrap.innerHTML);
}
}
function refreshRem() {
var width = docEl.getBoundingClientRect().width;
/*if (width / dpr > 540) {
width = 540 * dpr;
}*/
//淘宝方式1rem代表设计稿的十分之一
// var rem = width / 10;
// // 另一种方式，1rem改成设计稿上的100px，设计稿为750
var designWidth = 750;
var rem = width / designWidth * 100;
docEl.style.fontSize = rem + 'px';
flexible.rem = win.rem = rem;
}
win.addEventListener('resize', function () {
clearTimeout(tid);
tid = setTimeout(refreshRem, 300);
}, false);
win.addEventListener('pageshow', function (e) {
if (e.persisted) {
clearTimeout(tid);
tid = setTimeout(refreshRem, 300);
}
}, false);
if (doc.readyState === 'complete') {
doc.body.style.fontSize = 12 * dpr + 'px';
} else {
doc.addEventListener('DOMContentLoaded', function (e) {
doc.body.style.fontSize = 12 * dpr + 'px';
}, false);
}
refreshRem();
flexible.dpr = win.dpr = dpr;
flexible.refreshRem = refreshRem;
flexible.rem2px = function (d) {
var val = parseFloat(d) * this.rem;
if (typeof d === 'string' && d.match(/rem$/)) {
val += 'px';
}
return val;
}
flexible.px2rem = function (d) {
var val = parseFloat(d) / this.rem;
if (typeof d === 'string' && d.match(/px$/)) {
val += 'rem';
}
return val;
}
})(window, window['lib'] || (window['lib'] = {}));
</script>
</head>
<body>
<div class="header">
<div class="firstHeader">
</div>
<div class="secondHeader">
<div class="form">
<label><input class="cityinput" type="text" placeholder=" 请输入城市名称"></label>
<button class="search">搜索</button>
</div>
</div>
</div>
<div class="count">
<h3 class="atPresent">当前定位城市</h3>
<p class="positioncity"></p>
<h3 class="hot">
热门城市
</h3>
<div class="hotlist">
<span>北京</span>
<span>上海</span>
<span>深圳</span>
<span>广州</span>
</div>
<div class="list">
<ul>
</ul>
</div>
</div>
<div class="aside">
<ul class="btnbox">
<li>A</li>
<li>B</li>
<li>C</li>
<li>D</li>
<li>E</li>
<li>F</li>
<li>G</li>
<li>H</li>
<li>I</li>
<li>J</li>
<li>K</li>
<li>L</li>
<li>M</li>
<li>N</li>
<li>O</li>
<li>P</li>
<li>Q</li>
<li>R</li>
<li>S</li>
<li>T</li>
<li>U</li>
<li>V</li>
<li>W</li>
<li>X</li>
<li>Y</li>
<li>Z</li>
</ul>
</div>
<div class="echo">
A
</div>
<div class="zhezhao">
<div class="neirong">
<!-- <span>北京</span>
<span>北京</span>
<span>北京</span>-->
</div>
</div>
</body>
</html>