updateemployee.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 updateemployee extends HttpServlet implements SingleThreadModel{

  //Initialize global variables
  private baseclass basebean;
 private Context context;

 private EmployeePermHome employeePermHome;
 private EmployeePerm employeePerm;

  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("EmployeePermBean");
       employeePermHome = (EmployeePermHome) PortableRemoteObject.narrow(ref, EmployeePermHome.class);
       employeePerm=employeePermHome.create();
       HttpSession session=request.getSession(false);
       String id=session.getAttribute("id").toString();
       String name=trans(request.getParameter("name"));
       String login=request.getParameter("login");
       String password=request.getParameter("password");
      employeePerm.modifyEmployee(id,name,login,password);
      RequestDispatcher requestDispather=request.getRequestDispatcher("/employee.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;
}

}