標籤:java scale var height blur head initial margin key
目錄架構:
index.html
<!DOCTYPE><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ko" lang="ko"><head><title>Javascript 二維碼產生庫: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:
資源檔請訪問本人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產生二維碼