提交中文问题解决GET/POST

<%@ page language="java" contentType="text/html;charset=UTF-8" %>
<%
 String q1 = request.getParameter("q1");
 if(q1==null) q1 = "";
 String q2 = request.getParameter("q2");
 if(q2==null) q2 = "";
 q1 = new String(q1.getBytes("8859_1"),"UTF-8");
 q2 = new String(q2.getBytes("8859_1"),"UTF-8");
%>

<form action="test.jsp" method="get">
 GET:
 <input type="text" name="q1" value="<%=q1%>">
 <input type="submit" value="Submit">
</form>

<BR>

<form action="test.jsp" method="post">
 POST:
 <input type="text" name="q2" value="<%=q2%>">
 <input type="submit" value="Submit">
</form>