modifycustomer.java

jbuilder9+weblogic8+oracle9开发的客户管理系统。服务器端采用EJB技术。可以对公司雇员和客户进行管理。

package testejb;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import javax.naming.*;
import javax.rmi.PortableRemoteObject;
import java.lang.*;


public class modifycustomer extends HttpServlet implements SingleThreadModel {
  //Initialize global variables
  private baseclass basebean;
  private Context context;
  private int allcustomer=0;
  private EmployeeCustomerHome employeeCustomerHome;
  private EmployeeCustomer employeeCustomer;

  public void init() throws ServletException {
  }
  //Process the HTTP Post request
  public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    try{
    basebean=new baseclass();
    context=basebean.getContext();
    Object ref = context.lookup("EmployeeCustomerBean");
     employeeCustomerHome = (EmployeeCustomerHome) PortableRemoteObject.narrow(ref, EmployeeCustomerHome.class);
     employeeCustomer=employeeCustomerHome.create();

    HttpSession session=request.getSession();
    String customerid=session.getAttribute("selectcustomerid").toString();
    String name=trans(request.getParameter("name"));
    String addr=trans(request.getParameter("addr"));
    String contact=trans(request.getParameter("contact"));
    String phone=request.getParameter("phone");
    String email=request.getParameter("email");
    String representid=request.getParameter("represent");
    employeeCustomer.updatecustomer(customerid,name,addr,contact,phone,email,representid);
    RequestDispatcher requestDispather=request.getRequestDispatcher("/customer.jsp");
    requestDispather.forward(request,response); }
   catch(Exception e)
   {e.printStackTrace();
    RequestDispatcher requestDispather=request.getRequestDispatcher("/error.jsp");
    requestDispather.forward(request,response);}

  }
  //Clean up resources
  public void destroy() {
  }

  private String trans(String chi)
{
 String result=null;
 byte temp[];
 try{
  temp=chi.getBytes("iso-8859-1");
  result=new String(temp);

 }
 catch(UnsupportedEncodingException e)
 {e.printStackTrace();}
 return result;
}

}