转unicode编码与反编

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<link rel="shortcut icon" href="/admin/tpl/default/img/favicon.ico" />
<link rel="bookmark" href="/admin/tpl/default/img/favicon.ico"  />
<title>转unicode编码与反编</title>
</head>
<body>
<input name="Character" type="text" id="Character" value="" size="50" />输入“<strong>我爱李登高</strong>”试试
<div id="Finichar"></div>
<div id="Finally"></div>
<script type="text/javascript">
if(window.ActiveXObject) //ie浏览器 
{
document.getElementById('Character').onpropertychange=ajaxtest 
} 
else if(window.XMLHttpRequest)
{//非ie浏览器，比如Firefox 
document.getElementById('Character').addEventListener("input",ajaxtest,false); 
}
var test = document.getElementById('Character').value
var toHTML = {
    on: function(str) {
		var a = [],
        i = 0;
        for (; i < str.length;) a[i] = str.charCodeAt(i++);
        return "&amp#"+ a.join(";&amp#");
    },
    un: function(str) {
        return str.replace(/&#(x)?([^&]{1,5});?/g,
        function(a, b, c) {
            return String.fromCharCode(parseInt(c, b ? 16 : 10))
        })
    }
};
function ajaxtest(){
	 test = document.getElementById('Character').value;
	 if(test!="")document.getElementById("Finichar").innerHTML = toHTML.on(test) ;
	 if(test!="")document.getElementById("Finally").innerHTML = toHTML.un(test) ;
}
</script>

</body>
</html>

[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]

春去花还在-CoLee★＂

转unicode编码与反编

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