jquery生成二维码

下载Demo

js下载: jquery-1.8.3.jsqrcode.jsjquery.qrcode.js

<!DOCTYPE html>
<html>
<head> 
<meta charset="UTF-8">
<title></title> 
<script src="js/jquery-1.8.3.js" type="text/javascript"></script> 
<script src="js/qrcode.js" type="text/javascript"></script> 
<script src="js/jquery.qrcode.js" type="text/javascript"></script> 
<script type="text/javascript"> 
$(function () { 
$("#div_div").qrcode({
    render: "table",
    text: utf16to8("https://www.baidu.com/s?ie=utf-8&f=8&rsv_bp=1&rsv_idx=1&tn=baidu&wd=jquery.qhttps://www.baidu.com/s?ie=utf-8&f=8&rsv_bp=1&rsv_idx=1&tn=baidu&wd=jquery.qrcode&rsv_pq=ec12d2fe0000e0ef&rsv_t=8e7aIjC6ZvYKJ9yr3VQ3EK0iDLYRYvbLh%2Bu9hjBctGCvS7AG6SdIspEOcb4&rsv_enter=0&inputT=564&rsv_n=2&rsv_sug3=3&rsv_sug1=2&rsv_sug4=564rcode&rsv_pq=ec12d2fe0000e0ef&rsv_t=8e7aIjC6ZvYKJ9yr3VQ3EK0iDLYRYvbLh%2Bu9hjBctGCvS7AG6SdIspEOcb4&rsv_enter=0&inputT=564&rsv_n=2&rsv_sug3=3&rsv_sug1=2&rsv_sug4=564?ie=utf-8&f=8&rsv_bp=1&rsv_idx=1&tn=baidu&wd=jquery.qhttps://www.baidu.com/s?ie=utf-8&f=8&rsv_bp=1&rsv_idx=1&tn=baidu&wd=jquery.qrcode&rsv_pq=ec12d2fe0000e0ef&rsv_t=8e7aIjC6ZvYKJ9yr3VQ3EK0iDLYRYvbLh%2Bu9hjBctGCvS7AG6SdIspEOcb4&rsv_enter=0&inputT=564&rsv_n=2&rsv_sug3=3&rsv_sug1=2&rsv_sug4=564rcode&rsv_pq=ec12d2fe0000e0ef&rsv_t=8e7aIjC6ZvYKJ9yr3VQ3EK0iDLYRYvbLh%2Bu9hjBctGCvS7AG6SdIspEOcb4&rsv_enter=0&inputT=564&rsv_n=2&rsv_sug3=3&rsv_sug1=2&rsv_sug4=564"),
    width:200,height:200
}); 
}) 
function utf16to8(str) { //转码 
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> 
<input type="text"  /> 
<input type="button" value="生成"  /> 
<div  ></div> 
</body> 
</html>