解碼：java.net.URLDecoder.decode((String)request.getParameter("tcontent"), "UTF-8");
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>無標題文檔</title>
</head>
<body>
<%
String str_test = "華工";
%>
<form method=post action="b.jsp?test=<%=java.net.URLEncoder.encode(str_test) %>">
<input type="submit" value="Submit" name="提交">
</form>
</body>
</html>
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>無標題文檔</title>
</head>
<body>
<%
String str = new String(request.getParameter("test").getBytes("ISO8859_1"));
%>
<BR>
<%=str %>
</body>
</html>
