import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;


public class DayTest {

	public static void main(String[]	args){
		String BeginDate	=	"2014-03-27 13:16:00.000";
		String EndDate		=	"2014-03-28 11:46:00.000";
		double day = getDay(BeginDate,EndDate);
		System.out.println("天数："+day);
	}

	private static double getDay(String beginDate, String endDate) {
		SimpleDateFormat from = new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss"); //这里的格式可以自己设置 
		//String times = from.format(beginDate);
		double JSHH  = 0;
		double JSDay  = 0;
		double day  = getDD(beginDate,endDate);
		System.out.println(day);
		if(day	<	1){
			JSHH  = getHH(beginDate,endDate);
			System.out.println("JSHH = "+JSHH);
			if(JSHH%60 != 0){
				System.out.println("JSHH/60 = "+JSHH/60);
				int a = (int) (JSHH / 60);
				System.out.println("a = "+a);
				JSHH = a + 0.5;
				JSDay = JSHH / 8;
				return  JSDay;
				
			}else{
				JSHH = JSHH / 60 ;
				JSDay = JSHH / 8;
				return  JSDay;
			}
		}else{
			day  = getDD(beginDate,endDate);
			System.out.println("day:"+day);
			JSHH = getHH(getAddDay(beginDate,day),endDate);
			System.out.println("JSHH = "+JSHH);
			if(JSHH%60 != 0){
				System.out.println("JSHH/60 = "+JSHH/60);
				int a = (int) (JSHH / 60);
				System.out.println("a = "+a);
				JSHH = a + 0.5;
			}else{
				JSHH = JSHH / 60 ;
			}
			
			System.out.println("JSHH ="+JSHH);
			JSHH = JSHH / 8;
			JSDay  = day +  JSHH;
			return  JSDay;
		}
	}
	
	 public static double getDD(String time1, String time2){  
		 long quot = 0;  
		 SimpleDateFormat ft = new SimpleDateFormat("yyyy-MM-dd");  
		 try {   
			 Date date1 = ft.parse( time1 );   
			 Date date2 = ft.parse( time2 );
			 quot = date2.getTime() - date1.getTime();   
			 quot = quot / 1000 / 60 / 60 / 24;  
			 } catch (ParseException e) {   
				 e.printStackTrace();  
				 }  
			 return quot; 
	}
	 public static double getHH(String time1, String time2){
		 long quot = 0;  
		 SimpleDateFormat ft = new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss"); //这里的格式可以自己设置  
		
		 StringBuffer T = new StringBuffer();
		 T.append(time1.substring(0, 10));
		 SimpleDateFormat ftHH = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); //这里的格式可以自己设置  
		 
		 try {   
			 System.out.println("time1:"+time1);
			 Date date1 = ft.parse( time1 );   
			 Date date2 = ft.parse( time2 );   
			 
			 Date DateHH1 = ftHH.parse(time1);
			 Date DateHH2 = ftHH.parse(time2);

			 System.out.println("DateHH1:"+DateHH1);
			 System.out.println("DateHH2:"+DateHH2);
			 if(DateHH1.getTime() >= ftHH.parse(T.toString()+" 8:30:00").getTime() && 
					 DateHH1.getTime() <= ftHH.parse(T.toString()+" 11:45:00").getTime() && 
					 DateHH2.getTime() >= ftHH.parse(T.toString()+" 13:15:00").getTime() && 
					 DateHH2.getTime() <= ftHH.parse(T.toString()+" 18:00:00").getTime()){
				 System.out.println("执行的是方法一 "+ftHH.parse(T.toString()+" 11:45:00").getTime() +"  " + date1.getTime());
				 quot = ftHH.parse(T.toString()+" 11:45:00").getTime() - date1.getTime()+(date2.getTime()-ftHH.parse(T.toString()+" 13:15:00").getTime());   
				 quot = quot / 1000 / 60 ; 
				System.out.println("quot = "+quot);
				 return quot; 
			 }
			 else if(DateHH1.getTime() >= ftHH.parse(T.toString()+" 8:30:00").getTime() && 
					 DateHH1.getTime() <= ftHH.parse(T.toString()+" 11:45:00").getTime() && 
					 DateHH2.getTime() <= ftHH.parse(T.toString()+" 11:45:00").getTime() &&
					 DateHH2.getTime()>DateHH1.getTime()){
				 quot = DateHH2.getTime() - date1.getTime();   
				 quot = quot / 1000 / 60 ; 
				 return quot; 
			 }
			 else if(DateHH1.getTime() >= ftHH.parse(T.toString()+" 13:15:00").getTime() &&
					 DateHH1.getTime() <= ftHH.parse(T.toString()+" 18:00:00").getTime() &&
					 DateHH2.getTime() <= ftHH.parse(T.toString()+" 18:00:00").getTime() &&
					 DateHH2.getTime()>DateHH1.getTime()){
				 quot = DateHH2.getTime() - date1.getTime();   
				 quot = quot / 1000 / 60 ; 
				 return quot; 
			 }
			 else if(DateHH1.getTime() >= ftHH.parse(T.toString()+" 13:15:00").getTime() &&
					 DateHH1.getTime() <= ftHH.parse(T.toString()+" 18:00:00").getTime() &&
					 DateHH2.getTime() <= ftHH.parse(T.toString()+" 11:45:00").getTime()){
				 quot = ftHH.parse(T.toString()+" 18:00:00").getTime() - date1.getTime() + (date2.getTime()-ftHH.parse(T.toString()+" 8:30:00").getTime());   
				 
				 if(ftHH.parse(T.toString()+" 13:15:00").getTime() == DateHH1.getTime())
				 {
					 quot = 0; 
				 }else{
					 quot = quot / 1000 / 60;
				 }
				 System.out.println("quot = "+ quot);
				 return quot;
			 }
			 
			 } catch (ParseException e) {   
				 e.printStackTrace();  
				 }  
			 return quot; 
	 }
	
	 
	 public static String getAddDay(String date, double day) {
		 SimpleDateFormat from = new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss"); //这里的格式可以自己设置 
		 Calendar startDT = Calendar.getInstance();
		 startDT.setTime(getDate(date));
		 startDT.add(Calendar.DAY_OF_MONTH,(int) day);
		 return from.format(startDT.getTime());
		}
	 
	 public static Date getDate(String date){
		 SimpleDateFormat from = new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss"); //这里的格式可以自己设置 
	     long t;
		try {
			t = from.parse(date).getTime();
			Date d = new Date(t); 
			return d;
		} catch (ParseException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return null;
	     
	}
}

java 计算工作日的。8小时制度,布布扣,bubuko.com

java 计算工作日的。8小时制度