h5之js生成二維碼
阿新 • • 發佈：2018-08-23
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目錄架構：
index.html
<!DOCTYPE> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ko" lang="ko"> <head> <title>Javascript 二維碼生成庫：QRCode</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no" /> <script type="text/javascript" src="./js/jquery-3.2.1.min.js"></script> <script type="text/javascript" src="./js/qrcode.min.js"></script> </head> <body> <input id="text" type="text" value="http://www.runoob.com" style="width:80%" /><br /> <div id="qrcode" style="width:100px; height:100px; margin-top:15px;"></div> <script type="text/javascript"> var qrcode = new QRCode(document.getElementById("qrcode"), { width : 100, height : 100 }); function makeCode () { var elText = document.getElementById("text"); if (!elText.value) { alert("Input a text"); elText.focus(); return; } qrcode.makeCode(elText.value); } makeCode(); $("#text"). on("blur", function () { makeCode(); }). on("keydown", function (e) { if (e.keyCode == 13) { makeCode(); } }); </script> </body> </html>
頁面效果：
資源文件請訪問本人github地址：https://github.com/raind33/HTML5/tree/master/h5js%E7%94%9F%E6%88%90%E4%BA%8C%E7%BB%B4%E7%A0%81
h5之js生成二維碼