package com.archie2010.test;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
/**
* 计算任意2个日期内的工作日（没有考虑到国定假日）
*
* @author user
*
*/
public class DateCal {
/**
* @param args
*/
public static void main(String[] args) {
try {
String strDateStart = "2010-12-1";
String strDateEnd = "2010-12-14";
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Date date_start = sdf.parse(strDateStart);
Date date_end = sdf.parse(strDateEnd);
DateCal app = new DateCal();
Calendar cal_start = Calendar.getInstance();
Calendar cal_end = Calendar.getInstance();
cal_start.setTime(date_start);
cal_end.setTime(date_end);
System.out.println("星期-->" + app.getChineseWeek(cal_start)
+ " 日期-->" + cal_start.get(Calendar.YEAR) + "-"
+ (cal_start.get(Calendar.MONTH) + 1) + "-"
+ cal_start.get(Calendar.DAY_OF_MONTH));
System.out.println("星期-->" + app.getChineseWeek(cal_end) + " 日期-->"
+ cal_end.get(Calendar.YEAR) + "-"
+ (cal_end.get(Calendar.MONTH) + 1) + "-"
+ cal_end.get(Calendar.DAY_OF_MONTH));
System.out.println("工作日为-->"
+ app.getWorkingDay(cal_start, cal_end));
System.out.println("休息日-->" + app.getHolidays(cal_start, cal_end));
} catch (Exception e) {
}
}
public int getDaysBetween(java.util.Calendar d1, Java.util.Calendar d2) {
if (d1.after(d2)) { // swap dates so that d1 is start and d2 is end
java.util.Calendar swap = d1;
d1 = d2;
d2 = swap;
}
int days = d2.get(java.util.Calendar.DAY_OF_YEAR)
- d1.get(java.util.Calendar.DAY_OF_YEAR);
int y2 = d2.get(java.util.Calendar.YEAR);
if (d1.get(java.util.Calendar.YEAR) != y2) {
d1 = (java.util.Calendar) d1.clone();
do {
days += d1.getActualMaximum(java.util.Calendar.DAY_OF_YEAR);
d1.add(java.util.Calendar.YEAR, 1);
} while (d1.get(java.util.Calendar.YEAR) != y2);
}
return days;
}
/**
* 计算2个日期之间的相隔天数
*
* @param d1
* @param d2
* @return
*/
public int getWorkingDay(java.util.Calendar d1, java.util.Calendar d2) {
int result = -1;
if (d1.after(d2)) { // swap dates so that d1 is start and d2 is end
java.util.Calendar swap = d1;
d1 = d2;
d2 = swap;
}
int betweendays = getDaysBetween(d1, d2);
int charge_date = 0;
int charge_start_date = 0;// 开始日期的日期偏移量
int charge_end_date = 0;// 结束日期的日期偏移量
// 日期不在同一个日期内
int stmp;
int etmp;
stmp = 7 - d1.get(Calendar.DAY_OF_WEEK);
etmp = 7 - d2.get(Calendar.DAY_OF_WEEK);
if (stmp != 0 && stmp != 6) {// 开始日期为星期六和星期日时偏移量为0