java 求两个日期之间工作日数

• Z时代
• 2024-01-10
• 分类：综合

private int getWorkingDay(Calendar d1, Calendar d2) {</p><p> int result = -1; </p><p> if (d1.after(d2)) { // swap dates so that d1 is start and d2 is end </p><p> java.util.Calendar swap = d1; </p><p> d1 = d2; </p><p> d2 = swap; </p><p> } </p><p> int betweendays = getDaysBetween(d1, d2); </p><p> int charge_date = 0; </p><p> int charge_start_date = 0;//开始日期的日期偏移量 </p><p> int charge_end_date = 0;//结束日期的日期偏移量 </p><p> // 日期不在同一个日期内 </p><p> int stmp; </p><p> int etmp; </p><p> stmp = 7 - d1.get(Calendar.DAY_OF_WEEK); </p><p> etmp = 7 - d2.get(Calendar.DAY_OF_WEEK); </p><p> if (stmp != 0 && stmp != 6) {// 开始日期为星期六和星期日时偏移量为0 </p><p> charge_start_date = stmp - 1; </p><p> } </p><p> if (etmp != 0 && etmp != 6) {// 结束日期为星期六和星期日时偏移量为0 </p><p> charge_end_date = etmp - 1; </p><p> } </p><p></p><p> result = (getDaysBetween(this.getNextMonday(d1), this.getNextMonday(d2)) / 7) </p><p> * 5 + charge_start_date - charge_end_date; </p><p></p><p> System.out.println("between day is-->" + betweendays); </p><p> return result; </p><p></p><p> }</p><p> private Calendar getNextMonday(Calendar date) {</p><p> Calendar result = null; </p><p> result = date; </p><p> do { </p><p> result = (Calendar) result.clone(); </p><p> result.add(Calendar.DATE, 1); </p><p> } while (result.get(Calendar.DAY_OF_WEEK) != 2); </p><p> return result; </p><p> }</p><p> private int getDaysBetween(Calendar d1, Calendar d2) {</p><p> if (d1.after(d2)) { // swap dates so that d1 is start and d2 is end </p><p> java.util.Calendar swap = d1; </p><p> d1 = d2; </p><p> d2 = swap; </p><p> } </p><p> int days = d2.get(java.util.Calendar.DAY_OF_YEAR) </p><p> - d1.get(java.util.Calendar.DAY_OF_YEAR); </p><p> int y2 = d2.get(java.util.Calendar.YEAR); </p><p> if (d1.get(java.util.Calendar.YEAR) != y2) { </p><p> d1 = (java.util.Calendar) d1.clone(); </p><p> do { </p><p> days += d1.getActualMaximum(java.util.Calendar.DAY_OF_YEAR); </p><p> d1.add(java.util.Calendar.YEAR, 1); </p><p> } while (d1.get(java.util.Calendar.YEAR) != y2); </p><p> } </p><p> return days; </p><p> }

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