modifypassword.java

网上银行EJB版本

package mypackage;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.IOException;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.rmi.PortableRemoteObject;
import javax.naming.NamingException;

public class ModifyPassword extends HttpServlet 
{
  private static final String CONTENT_TYPE = "text/html; charset=GBK";

  public void init(ServletConfig config) throws ServletException
  {
    super.init(config);
  }

  public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
  {
    String accounts = (String)request.getSession().getAttribute("accounts");
    String password = request.getParameter("password");
    int success = 0;
    
     try{
      Context context = new InitialContext();
      TaskHome taskHome = (TaskHome)PortableRemoteObject.narrow(context.lookup("Task"), TaskHome.class);
      Task task;
      task = taskHome.create();
      success = task.modifyPassword(accounts, password);
    }
    catch(Throwable ex){
      ex.printStackTrace();
    }
    
    if(success == 1){
      request.getSession().getServletContext().getRequestDispatcher("/modifysuccess.jsp").forward(request, response);
      request.getSession().removeAttribute("chn");
      request.getSession().removeAttribute("accounts");
    }
    else
      request.getSession().getServletContext().getRequestDispatcher("/modifyfail.jsp").forward(request, response);
  }
}