将如下页面存为html,直接打开就可以啦
<html>
<head>
<title>gb2312 unicode转换工具</title>
</head>
<body>
<div align=center>
<center>
<table border=0 cellpadding=0 cellspacing=0 style="border-collapse: collapse" width=600 id=AutoNumber1 height=26>
<tr>
<td width=100% height=26>
<p align=center><font face=黑体 size=5 color=#FF0000>unicode 转换工具</font></p>
<p>使用方法:</p>
<p> 在下面的文本框中输入中文文字,按“转化”,即可将其转化为unicode字符。</p>
<p> 再按“还原”,即可将其还原为简体中文。</td>
</tr>
</table>
</center>
</div>
<p align=center>
<textarea cols=82 rows=10 id=code>
</textarea> </p>
<p align=center>
<input type=button οnclick=encode(code,this) value=转化>
<script>
var mode="zhuan";
function encode(obj,btn){
if(mode=="zhuan"){
obj.value=obj.value.replace(/[^/u0000-/u00FF]/g,function($0){return escape($0).replace(/(%u)(/w{4})/gi,"//u$2")});
btn.value="还原";
mode="huan";
}else{
obj.value=unescape(obj.value.replace(///u/g,'%u'));
btn.value="转化";
mode="zhuan";
}
}
</script></p>
</body>
</html>