C# 判断是不是闰年

函数判断输入日期是这年的第几天 rmonth = [0, 31, 29, 31, 30, 31, 30, 31,31, 30, 31, 30, 31] month = [0, 31, 28, 31, 30, 31, 30, 31,31, 30, 31, 30, 31] days = 0 def pd_days(y, m, d)...
判断年月日是否正确 # 用户输入八位日期 date = input( 请输入八位年月日（如20180405）： ) # 分割年月日 day = int(date[-2:]) month = int(date[4:6]) year = int(date[:4]) print(year, month, day) # 定义...