transferaction.java

网上银行

package prostruts;

import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.Action;
import javax.naming.*;
import proejblayer.Business;
import proejblayer.BusinessHome;
import javax.rmi.PortableRemoteObject;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.logging.Log;
import org.apache.struts.action.ActionMessages;
import javax.servlet.http.HttpSession;
public class transferAction extends Action {
    public ActionForward execute(ActionMapping mapping, ActionForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response) {
        transferForm transferForm = (transferForm) form;
       Log log=LogFactory.getLog("BankLog");
        log.trace("This is trace message from BusinessHome");
        int money=transferForm.getMoney();
        String toaccountNo=transferForm.getToAccountNo();
        HttpSession session=request.getSession();
        String accountNo=(String)session.getAttribute("AccountNo");
        String result="";
        if(money==0){
            result="请输入将要转帐的金额!";
            request.setAttribute("result", result);
            return new ActionForward(mapping.getInput());
        }
        if(toaccountNo.equals("")){
            result="请输入要转帐的帐号!";
           request.setAttribute("result", result);
           return new ActionForward(mapping.getInput());
        }
        int rs=transfer(accountNo,toaccountNo,money);
        switch (rs) {
        case -3:
            result = "帐户已冻结";
            break;
        case -2:
            result = "帐户不存在";
            break;
        case -1:
            result = "余额不足";
            break;
        case 0:
            result = "转帐不成功";
            break;
        case 1:
            result = "转帐成功";
            break;
        }
        org.apache.struts.util.MessageResources messages = getResources(
                request);
          ActionMessages errors = new ActionMessages();
          request.setAttribute("result", result);
           return mapping.findForward("main");
    }
    public int transfer(String faccount,String toaccount,int money){
        int intres=0;
        try{
            Context ctx=new InitialContext();
            Object obj=ctx.lookup("Business");
            BusinessHome home=(BusinessHome)PortableRemoteObject.narrow(obj,
                    BusinessHome.class);
            Business business=home.create();
            intres=business.transferMoney(faccount,toaccount,money);
        }catch(Exception ex){
            ex.printStackTrace();
        }
        return intres;

    }
}