add_return_operate.jsp

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<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<%@page import="java.util.Date"%>
<%@page import="java.util.*"%>
<%@page import="java.text.*"%>
<%@ include file="conn.jsp" %>
<%
	
String idz=new String(request.getParameter("id").getBytes("ISO-8859-1"));
int id=Integer.parseInt(idz);
String recontent=new String(request.getParameter("recontent").getBytes("ISO-8859-1"));

String condition="update message set recontent='"+recontent+"'where id="+id;
stmt.executeUpdate(condition);
stmt.close();
conn.close();
response.sendRedirect("all_slly.jsp");	           
%>