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使用QRCode生成二维码

2016-11-25 16:15 176 查看 
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<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>
<script>
$(document).ready(function(){
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;
}
jQuery('#code').qrcode(toUtf8("哈哈哈哈！"));
});
</script>
</head>
<body>
<div id="code"></div>
</body>
</html>


调整二维码方法

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