3.1、public公共样式

public>index.html
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width,initial-scale=1.0">
    <link rel="icon" href="<%= BASE_URL %>favicon.ico">
    <link rel="stylesheet" href="./css/reset.css"
    <title>927项目</title>
    <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=no');
         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 > 768) {
             width = 768 * dpr;
         }
         var rem = width / 7.5;
         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>
    <noscript>
      <strong>We're sorry but 927 doesn't work properly without JavaScript enabled. Please enable it to continue.</strong>
    </noscript>
    <div id="app"></div>
    <!-- built files will be auto injected -->
  </body>
</html>

public>css>reset.css
@charset "utf-8";
/* CSS Document */
html, body, ul, li, ol, dl, dd, dt, p, h1, h2, h3, h4, h5, h6, form, fieldset, legend, img { margin:0; padding:0; }

fieldset, c{ border:none; }

img{display: block;}

address, caption, cite, code, dfn, th, var { font-style:normal; font-weight:normal; }

ul, ol ,li{ list-style:none; }

body { color:#333; font:12px PingFangSC-Regular,Hiragino Sans GB,sans-serif;
     /* background:#fff; */
    }

a { color:#666; text-decoration:none; }
/*清除浮动*/
.clear{clear:both}
*{box-sizing:border-box}
body,html,#app{
    height: 100%;
    overflow: hidden;
}







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