java获取当前系统前一天，当天，后天日期

获取当前系统前一天日期

public static Date getNextDay(Date date) {Calendar calendar = Calendar.getInstance();calendar.setTime(date);calendar.add(Calendar.DAY_OF_MONTH, -1);date = calendar.getTime();return date;}

获取当前系统当天日期

public static Date getNextDay(Date date) {Calendar calendar = Calendar.getInstance();calendar.setTime(date);calendar.add(Calendar.DAY_OF_MONTH, 0);date = calendar.getTime();return date;}

获取当前系统下一天日期

public static Date getNextDay(Date date) {Calendar calendar = Calendar.getInstance();calendar.setTime(date);calendar.add(Calendar.DAY_OF_MONTH, -1);date = calendar.getTime();return date;}