indexmoddelaction.java

eclipse java/jsp 航空管理系统

/*
 * @(#)AddPassenger.java 1.0 2005/04/25   
 * <p>copyright:    Copyright 东软 国际合作事业部版权所有</p>
 * <p>company:      neusoft</p>
 * <p>time:         2005.04.25</p>
 */
package jiasir.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
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 zhangchunliang.model.AppMode;
import jiasir.form.Passenger;
import jiasir.model.ModifyPassengerModel;
import jiasir.model.DelPassengerModel;

/**
 * 处理一览违禁品信息页面中修改和删除的Action
 * @author    王嘉     
 * @version   1.0， 2005/04/25 
 */
public class IndexModDelAction extends Action{
    /**
     * 返回执行操作后的跳转
     * @param mapping         
     * @param form       
     * @return
     */
    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        /**
         * 权限
         * @param userDeleteGrant  对表进行删除的权限       
         * @param userUpdateGrant  对表进行修改的权限
         */
    	
		if(!AppMode.getAppMode()){
			System.out.println("Application is terminated...");
			return mapping.findForward("appInfo");
		}
    	
    	
        String userDeleteGrant = (String) request.getSession().getAttribute(
        "userDeleteGrant");
        String userUpdateGrant = (String) request.getSession().getAttribute(
        "userUpdateGrant");
        /**
         * 获得表单里信息  是跳转到删除页面还是跳转到修改页面
         */
        String deleteormodify = request.getParameter("deleteormodify");
        /**
         * 获得锁定修改的记录的主键
         */
        String flightTicket = null;
        flightTicket = request.getParameter("flightTicket");
        System.out.println(flightTicket);
        /**
         * 把获得的值SET到自定义的 FORM 中去
         */
        ((Passenger) form).setFlightTicket(flightTicket);
        /**
         * 事例化表单 为传递参数做准备
         */
        Passenger passenger = ((Passenger) form);
        /**
         * 当用户在页面中选择“修改”并“确定”的同时，Passenger内的值也传递过来
         * 跳转到修改页面并显示，供用户修改时参考
         */
        if(deleteormodify.equals("change") && flightTicket!=null
                                           && userUpdateGrant=="Y"){
            /**
             * 事例化功能类
             */
            ModifyPassengerModel modifyPassengerModel = 
                                                     new ModifyPassengerModel();
            String str[] = modifyPassengerModel.ModifyView(passenger);
            //request.setAttribute("flightTicket", flightTicket);
            //System.out.println(flightTicket);
            request.setAttribute("flightTicket", str[0]);
            request.setAttribute("passengerName", str[1]);
            request.setAttribute("passengerIdKind",str[2]);
            request.setAttribute("passengerId",str[3]);
            request.setAttribute("passengerNat",str[4]);
            request.setAttribute("thingsNum",str[5]);
            request.setAttribute("things",str[6]);
            request.setAttribute("thingsQuantity",str[7]);
            request.setAttribute("hold",str[8]);
            request.setAttribute("cori",str[9]);
            request.setAttribute("flightNo",str[10]);
            request.setAttribute("flightDate",str[11]);
            
            return mapping.findForward("modify");
        } else if (deleteormodify.equals("change") && userUpdateGrant=="N"){
            return mapping.findForward("filter");
        }
        /**
         * 当用户在页面中选择“删除”并“确定”的同时，Passenger内的值也传递过来
         * 获得主键飞机票号，直接调用删除方法进行删除
         */
        else if(deleteormodify.equals("delete") && flightTicket!=null
                                                && userDeleteGrant=="Y"){
            /**
             * 事例化功能类
             */
            DelPassengerModel delPassengerModel = new DelPassengerModel();
            /** 
             * Model属性初始化 
             */
            delPassengerModel.flightTicket = passenger.getFlightTicket();
            /** 
             * 临时变量保存返回值 
             */
            int forward;
            
            /** 
             * 取得返回值 
             */
            forward = delPassengerModel.executeSQL(passenger);
            /** 
             * 根据返回值返回不同的ActionForward
             * 1 成功
             * 8 错误 没有配置MySQL数据库驱动
             * 9 错误 SQL语句错误
             */
            if(forward == 1) {
                return mapping.findForward("success");
            } else if(forward == 8) {
                return mapping.findForward("driverError");
            } else if(forward == 9) {
                return mapping.findForward("sqlError");
            } else {
                return mapping.findForward("error");
            }
        } else if (deleteormodify.equals("delete") && userDeleteGrant=="N"){
            return mapping.findForward("filter");
        } else{
            return mapping.findForward("choose");
        }
    }
}