struts1 Get 传中文乱码

<%@ page language="java"  pageEncoding="gbk"%>
<%
  request.setCharacterEncoding("GBK");
  response.setCharacterEncoding("GBK");
   String errmsg="传递的中文";
   response.sendRedirect("test.jsp?msg="+java.net.URLEncoder.encode(errmsg,"gbk"));
%>

接收参数文件
<%@ page language="java"  pageEncoding="gbk"%>
<%
  
  String errmsg=new String((request.getParameter("msg")).getBytes("ISO-8859-1"),"GBK");
  out.print("errmsg="+errmsg);
%>