使用qrcode.js生成二维码图片

来源：互联网发布：系统封装软件编辑：程序博客网时间：2024/06/06 18:37

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ko" lang="ko"><head><title>Javascript 二维码生成库：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="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script><script type="text/javascript" src="http://static.runoob.com/assets/qrcode/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>

阅读全文

0 0