tradeformloadaction.java

基于Struts的电子银行系统

/*
 * Created on 2005-7-27
 *
 */
package banksystem.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.DynaActionForm;

import banksystem.Constants;
import banksystem.VO.TradeActionForm;
import banksystem.VO.UserInfoActionForm;

/**
 * @author 曲本盛
 *
 * TODO Struts 项目实践
 */
public class TradeFormLoadAction extends Action {
	public ActionForward execute(ActionMapping actionMapping, ActionForm actionForm,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		
		HttpSession session = request.getSession(false);
		ActionMessages errors = this.getErrors(request);
		
		if(session==null||session.getAttribute(Constants.KEY_CUSTOMER_INFO)==null){
			errors.add("failed",new ActionMessage(Constants.ERRORS_SESSION_INVALID));
			this.saveErrors(request,errors);
			return actionMapping.findForward("login");
		}
		//在加载交易页面时就先保存令牌已备交易页面检查
		this.saveToken(request);
		
		DynaActionForm loadform = (DynaActionForm)actionForm;
		String action = (String)loadform.get("action");
		
		TradeActionForm tradeinfo = new TradeActionForm();
		try{
			UserInfoActionForm userinfo = (UserInfoActionForm)session.getAttribute(Constants.KEY_CUSTOMER_INFO);
		
			tradeinfo.setAccountID(userinfo.getAccountID());
			//System.out.println(userinfo.getAccountID());
			tradeinfo.setAction(action);
			request.setAttribute(Constants.KEY_TRADE_LOAD_INFO,tradeinfo);
			return actionMapping.findForward("success");
			
		}
		catch(Exception e){
			errors.add("failed",new ActionMessage(Constants.ERRORS_UNKNOWN_EXCEPTION,e.getMessage()));
			this.saveErrors(request,errors);
			return actionMapping.getInputForward();
		}
	}
}