servlet向jsp传参的中文问题??急急急急急急急!!

Question

import java.net.URLEncoder;＊＊＊＊＊＊＊＊＊＊＊＊＊　　servlet中　　＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊　　　　　err = URLEncoder.encode("您没有选择任何节目，请正确选择！");
          response.sendRedirect("/cyvod/manage/actinfo.jsp?err="+err);
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊　JSP中　　＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊<%
if(request.getParameter("err")!=null){
String  err=URLDecoder.decode(new String(request.getParameter("err").getBytes("iso8859_1"),"gbk")); 
out.print(err);
}
%>

Answer 1

response.sendRedirect("aaa.jsp?param=" + java.net.URLEncoder.encode("中文字符串"));

Answer 2

在jsp中request的前面加request.setCharacterEncoding("GB2312");//GBK在servlet中也要加request.setCharacterEncoding("GB2312");//GBK

Answer 3

<%@ page contentType="text/html;charset=gb2312"%>加在页面的最顶端

Answer 4

这样试试：import java.net.URLEncoder;＊＊＊＊＊＊＊＊＊＊＊＊＊　　servlet中　　＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊　　　　　err = URLEncoder.encode("您没有选择任何节目，请正确选择！","gb2312");
          response.sendRedirect("/cyvod/manage/actinfo.jsp?err="+err);
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊　JSP中　　＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊<%
if(request.getParameter("err")!=null){
String  err=URLDecoder.decode(new String(request.getParameter("err").getBytes("iso8859_1"),"gb2312")); 
out.print(err);
}
%>