addc.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 addc 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();
    Vector temp=employeeCustomer.display();
    allcustomer=temp.size()+1;

     Integer total=new Integer(allcustomer);
    String id=total.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");
    HttpSession session=request.getSession(false);
    String representid=session.getAttribute("id").toString();
    employeeCustomer.addCustomer(id,name,addr,contact,phone,email,representid);
    RequestDispatcher requestDispather=request.getRequestDispatcher("/customer.jsp");
    requestDispather.forward(request,response);

   }
  catch (Exception e)
  { 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;
 }

}