jsp_project_/store/src/OrderList

import java.io.IOException;
import java.io.PrintWriter;
import java.util.*;
import conn.*;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class OrderList extends HttpServlet {

/**
*
*/
private static final long serialVersionUID = 1L;

/**
* Constructor of the object.
*/
public OrderList() {
super();
}

/**
* Destruction of the servlet. <br>
*/
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
}

/**
* The doGet method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to get.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {

response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
response.setCharacterEncoding("UTF-8");
HttpSession session = request.getSession();
String name =(String)session.getAttribute("UserName");
session.setAttribute("date",getToday());
session.setAttribute("UserName",name);
String oid =request.getParameter("OID");
ConnectionDatabase con = new ConnectionDatabase();
Vector v =con.getQueryDate("SELECT PID FROM production where PID in(select PID from OrdPid where orderID='"+oid+"')");
con.updateBase("delete CustomerOrder where orderID='"+oid+"'");
con.updateBase("insert into personmsg values ('你的定单:"+oid+"已经修改或删除，此单注销','"+getToday()+"','"+name+"','0')");
ArrayList a = new ArrayList();
for(int i = 0; i < v.size();i++)
{
String strid = (String )((Vector)v.get(i)).get(0);
a.add(strid);
}
session.setAttribute("P",a);
response.sendRedirect("MyStore.jsp");
//request.getRequestDispatcher("/MyStore.jsp").forward(request,response);

out.flush();
out.close();
}

/**
* The doPost method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to post.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public String getToday()
{
Calendar today = Calendar.getInstance();
int year = today.get(Calendar.YEAR);
int month = today.get(Calendar.MONTH)+1;
int day = today.get(Calendar.DAY_OF_MONTH);
return year+"年"+month+"月"+day+"日";
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {

response.setContentType("text/html");
PrintWriter out = response.getWriter();

out.flush();
out.close();
}

/**
* Initialization of the servlet. <br>
*
* @throws ServletException if an error occure
*/
public void init() throws ServletException {
// Put your code here
}

}