nextMonth method
下一个月
Implementation
DateTime nextMonth() {
final month = this.month + 1;
final year = this.year;
return DateTime(month > 12 ? year + 1 : year, month > 12 ? 1 : month);
}
下一个月
DateTime nextMonth() {
final month = this.month + 1;
final year = this.year;
return DateTime(month > 12 ? year + 1 : year, month > 12 ? 1 : month);
}