使用中文的 Cookie. name 与 value 都使用 UTF-8 编码

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<%@ page language="java" pageEncoding="UTF-8" %>
<jsp:directive.page import="java.net.URLEncoder"/>
<jsp:directive.page import="java.net.URLDecoder"/>
<%
// 使用中文的 Cookie. name 与 value 都使用 UTF-8 编码.
Cookie cookie = new Cookie(
  URLEncoder.encode("姓名", "UTF-8"),
  URLEncoder.encode("刘京华", "UTF-8"));

// 发送到客户端
response.addCookie(cookie);
response.addCookie(new Cookie("Jim", "Green"));
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Cookie Encoding</title>
</head>
<body>
<%
if(request.getCookies() != null){
  for(Cookie cc : request.getCookies()){

   String cookieName = URLDecoder.decode(cc.getName(), "UTF-8");
   String cookieValue = URLDecoder.decode(cc.getValue(), "UTF-8");

   out.println(cookieName + "=");
   out.println(cookieValue + "; <br/>");

   out.println(cc.getName() + "=");
   out.println(cc.getValue() + "; <br/>");
  }
}
else{
  out.println("Cookie 已经写入客户端. 请刷新页面. ");
}
%>
</body>
</html>

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