record.java~5~

用java实现的一个网吧计费系统,大家可以参考下

package 网吧计费系统;
import java.sql.*;

import java.util.Calendar;
/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class Record {
    public Record() {
    }
    private int id;
    public int getNewId(){
        return this.id;
    }
    public void setNewId(int id){
        this.id=id;
    }

   static String time;
   static int year;
   static int month;
   static int day;
   static int hour;
   static int min;

   static int ryear;
   static int rmonth;
   static int rday;
   static int rhour;
   static int rmin;
   void shangjishijian(){
       Calendar objCalendar = Calendar.getInstance();
       year = objCalendar.get(Calendar.YEAR);
       month = objCalendar.get(Calendar.MONTH);
       day = objCalendar.get(Calendar.DATE);
       hour = objCalendar.get(Calendar.HOUR);
       min = objCalendar.get(Calendar.MINUTE);
   }



          public static int calFee(){
            int fee=0;
            int beginYear=year;
            int beginMonth=month;
            int beginDay=day;
            int beginHour=hour;
            int beginMinute=min;

            int endYear=ryear;
            int endMonth=rmonth;
            int endDay=rday;
            int endHour=rhour;
            int endMinute=rmin;

            int playMinutes=0;
            playMinutes=(endYear-beginYear)*365*24*60+
                        (endMonth-beginMonth)*30*24*60+
                        (endDay-beginDay)*24*60+
                        (endHour-beginHour)*60+(endMinute-beginMinute);
            int modNum=playMinutes%60;
            int playHours=0;
            playHours=playMinutes/60;
            if(playHours==0 || (modNum>5 && playHours>0)){
                playHours++;
            }
            fee=playHours*2;
            return fee;
   }

}