js实现字符串转换成unicode

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<%@ page language="java" import="java.util.*" pageEncoding="gbk"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
    <base href="<%=basePath%>">

    <title>My JSP 'index.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">

<script type="text/javascript">

     function parseStandard(str){
    if(str.length==1){
     return "000"+str;
    }else if(str.length==2){
     return "00"+str;
    }else if(str.length==3){
     return "0"+str;
    }else{
     return str;
    }
}
     function encode(s){
     var t='';
       for(i=0;i<s.length;i++){
        t+='\\u'+parseStandard(s.charCodeAt(i).toString(16));
      }
    alert(t);
    var t=eval('\''+t.replace(/\\\\/g, '\\')+'\'');
    alert(t);
     }
</script>
</head>

<body onload="encode('asdfsd电饭锅的我@12')">
    This is my JSP page. <br>
</body>
</html>