移動端1px解決方案
阿新 • • 發佈：2019-02-09
<span style="font-size:18px;"> <html> <head> <title>1px question</title> <meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <meta name="viewport" id="WebViewport" content="initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"> <style> html { font-size: 18px; } * { padding: 0; margin: 0; } .bds_b { border-bottom: 1px solid #ccc; } .a, .b { margin-top: 1rem; padding: 1rem; font-size: 1.4rem; } .a{ width: 30rem; } .b { background: #f5f5f5; width: 20rem; } </style> <script> var viewport = document.querySelector("meta[name=viewport]"); //下面是根據裝置畫素設定viewport if (window.devicePixelRatio == 1) { viewport.setAttribute('content', 'width=device-width,initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no'); } if (window.devicePixelRatio == 2) { viewport.setAttribute('content', 'width=device-width,initial-scale=0.5, maximum-scale=0.5, minimum-scale=0.5, user-scalable=no'); } if (window.devicePixelRatio == 3) { viewport.setAttribute('content', 'width=device-width,initial-scale=0.3333333333333333, maximum-scale=0.3333333333333333, minimum-scale=0.3333333333333333, user-scalable=no'); } var docEl = document.documentElement; var fontsize = 10 * (docEl.clientWidth / 320) + 'px'; docEl.style.fontSize = fontsize; </script> </head> <body> <div class="bds_b a">下面的底邊寬度是虛擬1畫素的</div> <div class="b">上面的邊框寬度是虛擬1畫素的</div> </body> </html> </span>