index.html

﻿<!DOCTYPE HTML>
<html>
<head>
	<meta charset="utf-8">
	<title>简单的二维码生成器</title>
	<link rel="stylesheet" href="seacher.css">

	<style type="text/css">
	.demo p{line-height:30px}
	#code{margin-top:10px}
	</style>
	<script type="text/javascript" src="jquery-1.9.1.js"></script>
	<script type="text/javascript" src="jquery.qrcode.min.js"></script>
<script type="text/javascript">
$(function(){
	var str = "http://www.ljc520.com";
	$('#code').qrcode(str);
	
	$("#sub_btn").click(function(){
		$("#code").empty();
		var str = toUtf8($("#mytxt").val());
		
		$("#code").qrcode({
			render: "table",
			width: 200,
			height:200,
			text: str
		});
	});
})
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 align="center">
	<div style="margin:50px;"><h1>简单的二维码生成器</h1></div>
	<div id="code"></div>
	<div style=" margin-top: 50px;"><strong>请输入内容（若为链接前面加:http://）</strong></div>
	<p><input type="text" class="input" id="mytxt" value="" style="height:40px;width: 380px;"> <button type="submit" name="search" id="sub_btn">生成</button></p>
</div>
</body>
</html>