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<html> <head> <meta charset="utf-8" /> <title>生成二维码</title> <script type='text/javascript' src='http://cdn.staticfile.org/jquery/2.1.1/jquery.min.js'></script> <script type="text/javascript" src="http://cdn.staticfile.org/jquery.qrcode/1.0/jquery.qrcode.min.js"></script> </head> <body> <div id="qrcode"></div> </body> <script> //如果内容中有中文，在生成二维码钱就要把字符串转换成utf-8 可防止扫描二维码中文乱码 function toUtf8(str) { var out, i, len, c; out = ""; len = str.length; for (i = 0; i < len; i++) { c = str.charCodeAt(i); if ((c >= 0x0001) && (c <= 0x007F)) { out += str.charAt(i); } else if (c > 0x07FF) { out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F)); out += String.fromCharCode(0x80 | ((c >> 6) & 0x3F)); out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F)); } else { out += String.fromCharCode(0xC0 | ((c >> 6) & 0x1F)); out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F)); } } return out; } $("#qrcode").qrcode({ render: "table", //也可以替换为canvas,table width:168, //二维码宽度 height:168, //二维码高度 text: toUtf8('我是tianma') }) </script> </html>
优秀参考链接 http://www.cnblogs.com/libin-1/p/5836108.html