tradesearchaction.java

基于Struts的电子银行系统

/*
 * Created on 2005-7-30
 *
 */
package banksystem.action;

import java.util.List;
import java.sql.SQLException;

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

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 banksystem.Constants;
import banksystem.VO.UserSearchActionForm;
import banksystem.VO.UserInfoActionForm;
import banksystem.business.BusinessDelegate;
import banksystem.business.SearchGene;
/**
 * @author 曲本盛
 *
 * TODO Struts 项目实践
 */
public class TradeSearchAction extends Action {
	BusinessDelegate business = null;
	public ActionForward execute(ActionMapping actionMapping, ActionForm actionForm,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		if(this.isCancelled(request)){
			return actionMapping.findForward("main");
		}
		HttpSession session = null;
		session = request.getSession(false);
		ActionMessages errors = this.getErrors(request);
		UserSearchActionForm search = (UserSearchActionForm)actionForm;
		
		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");
		}
		else{
			if(search.getAccountID()==null){
				UserInfoActionForm userinfo = (UserInfoActionForm)session.getAttribute(Constants.KEY_CUSTOMER_INFO);
				search.setAccountID(userinfo.getAccountID());
			}
		}
		
		SearchGene gene = new SearchGene();
		gene.setAccountID(search.getAccountID());
		gene.setStartDate(search.getStartDate());
		gene.setEndDate(search.getEndDate());
		try{
			//加载 要显示的日期常量
			if(request.getAttribute(Constants.KEY_DATE_YEAR)==null){
				request.setAttribute(Constants.KEY_DATE_YEAR,Constants.getYearList());
				request.setAttribute(Constants.KEY_DATE_MONTH,Constants.getMonthList());
				request.setAttribute(Constants.KEY_DATE_DAY,Constants.getDayList());
			}
			
			DataSource dataSource = this.getDataSource(request);
			business = BusinessDelegate.getInstance();
			List result = business.getSearchTradeResult(dataSource,gene);
			
			if(result.isEmpty()){
				errors.add("failed",new ActionMessage(Constants.ERRORS_NO_RECORD_EXCEPTION));
				this.saveErrors(request,errors);
			}
			else{
				request.setAttribute(Constants.KEY_SEARCH_RESULT_TRADE,result);
			}
			
			//errors.add("success",new ActionMessage("message.success"));
			//this.saveErrors(request,errors);
			return actionMapping.findForward("success");
		}
		catch(SQLException e){
			errors.add("failed",new ActionMessage(Constants.ERRORS_UNKNOWN_EXCEPTION,e.getMessage()));
			this.saveErrors(request,errors);
			return actionMapping.getInputForward();
		}
	}
}