isBefore method
之前
date
接收时间可以是 Dayfl | 时间字符串 | DateTime 三者都不是 return false;
Implementation
bool isBefore(var date) {
if (date is Dayfl) {
return _datetime!.isBefore(date.dateTime!);
} else if (date is DateTime) {
return _datetime!.isBefore(date);
} else if (date is String) {
return _datetime!.isBefore(Dayfl(date).dateTime!);
}
return false;
}