addtransaction.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 AddTransaction 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 accountsa = request.getAttribute("accounts_a").toString();
    String accountsb = request.getAttribute("accounts_b").toString();
    String payment = request.getAttribute("payment").toString();
    String receive = request.getAttribute("receive").toString();
    String transtime = new TransDate().nowDate();
    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.addTransaction(accountsa, accountsb, payment, receive, transtime);
    }
    catch(Throwable ex){
      ex.printStackTrace();
    }
    if(success == 1)
      request.getSession().getServletContext().getRequestDispatcher("/transsuccess.jsp").forward(request, response);
    else
      request.getSession().getServletContext().getRequestDispatcher("/transferfail.jsp").forward(request, response);
  }
}