获取俩个日期间 工作日天数——搬运工

public int fixTime(Date start ,Date end ){
Calendar cal_start = Calendar.getInstance();
Calendar cal_end = Calendar.getInstance();
cal_start.setTime(start);
cal_end.setTime(end);
return getWorkingDay(cal_start, cal_end);
}

/**
* 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
return 0;
}
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
charge_start_date = stmp - 1;
}
if (etmp != 0 && etmp != 6) {// 结束日期为星期六和星期日时偏移量为0
charge_end_date = etmp - 1;
}
// }
result = (getDaysBetween(this.getNextMonday(d1), this.getNextMonday(d2)) / 7)
* 5 + charge_start_date - charge_end_date;
//System.out.println("charge_start_date>" + charge_start_date);
//System.out.println("charge_end_date>" + charge_end_date);
//System.out.println("between day is-->" + betweendays);
return result;
}

public String getChineseWeek(Calendar date) {
final String dayNames[] = {"星期日", "星期一", "星期二", "星期三", "星期四", "星期五",
"星期六"};
int dayOfWeek = date.get(Calendar.DAY_OF_WEEK);
// System.out.println(dayNames[dayOfWeek - 1]);
return dayNames[dayOfWeek - 1];
}

/**
* 获得日期的下一个星期一的日期
*
* @param date
* @return
*/
public Calendar getNextMonday(Calendar date) {
Calendar result = null;
result = date;
do {
result = (Calendar) result.clone();
result.add(Calendar.DATE, 1);
} while (result.get(Calendar.DAY_OF_WEEK) != 2);
return result;
}

/**
* @param d1
* @param d2
* @return
*/
public int getHolidays(Calendar d1, Calendar d2) {
return this.getDaysBetween(d1, d2) - this.getWorkingDay(d1, d2);
}