getDaysOfMonth method

int getDaysOfMonth(
  1. int month, {
  2. int? year,
})

获得每个月的天数，闰月也就是2月通过年获取

  • year 要获取的那一年的，用于计算

Implementation

int getDaysOfMonth(int month, {int? year}) {
  assert(month <= 12 && month > 0);
  switch (month) {
    case 1:
    case 3:
    case 5:
    case 7:
    case 8:
    case 10:
    case 12:
      return 31;
    case 4:
    case 6:
    case 9:
    case 11:
      return 30;
    case 2:
      return _getDaysOfFebruary(year: year);
    default:
      throw Exception("Unknown Exception, Month: $month");
  }
}