<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>创建二维码</title>
<script src="~/Content/uploadify/jquery-2.1.1.min.js"></script>
<script src="~/Content/uploadify/jquery.qrcode.min.js"></script>
<script>
$(function() {
//方法1
//方法2
$("#code").qrcode({
render: "table", //table方式 || canvas方式
width: 200, //宽度
height: 200, //高度
});
});
//有中文先编码
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;
}
</script>
</head>
<body>
<div id="code"></div>
</body>
</html>
js 下载地址：http://note.youdao.com/share/?id=b8ae1a3083f5cb27ec7b1ec606658e6f&type=note
Qrcode生成二维码
原文：http://www.cnblogs.com/mybkyzzj/p/5603858.html
