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内容如题
原因：solaris等os不能做时间的运算处理，个人爱好。之前用c实现了一版，这里再次用python实现一版，后期应该还有改进版
改进：1 代码优化
2 添加了指定获取月份最后一天的功能
第四版：
添加了-d选项，-d date date_format，既可以指定时间字符串和时间格式，格式可以不指定默认为 %Y%m%d或%Y-%m-%d
第五版：
1 修进了一些bug
2 把入口函数添加到类中，方便其他python的调用，而不是单纯的脚本
第六版：
在类中使用了初始化函数，方便调用，可以在初始化函数中直接设置需要输入的参数，而不必对内部变量作出设置
第七版：
修改了-d参数从对时间戳的支持，例：-d "
1526606217
" "%s"
第八版：
修正版了部分代码，减少代码行数。
脚本下载地址：https://github.com/raysuen/rdate
#!/usr/bin/env python
# _*_coding:utf-8_*_
# Auth by raysuen
# version v8.0
import datetime
import time
import calendar
import sys
import re
# 时间计算的类
class DateColculation(object):
rdate = {
"time_tuple": time.localtime(),
"time_format": "%Y-%m-%d %H:%M:%S %A",
"colculation_string": None,
"last_day": False,
"input_time": None,
"input_format": None
}
def __init__(self,time_tuple=None,out_format=None,col_string=None,isLastday=None,in_time=None,in_format=None):
if time_tuple != None:
self.rdate["time_tuple"] = time_tuple
if out_format != None:
self.rdate["time_format"] = out_format
if col_string != None:
self.rdate["colculation_string"] = col_string
if isLastday != None:
self.rdate["last_day"] = isLastday
if in_time != None:
self.rdate["input_time"] = in_time
if in_format != None:
self.rdate["input_format"] = in_format
# 月计算的具体实现函数
def __R_MonthAdd(self, col_num, add_minus, lastday, time_truct):
R_MA_num = 0 # 记录计算的月的数字
R_ret_tuple = None # 返回值，None或者时间元组
R_MA_datetime = None # 临时使用的datetime类型
if type(col_num) != int: # 判断传入的参数是否为数字
print("the parameter type is wrong!")
exit(5)
if time_truct == None:
R_MA_datetime = datetime.datetime.now() # 获取当前时间
else:
R_MA_datetime = datetime.datetime.fromtimestamp(time.mktime(time_truct))
if add_minus.lower() == "add": # 判断是否为+
R_MA_num = R_MA_datetime.month + col_num
if R_MA_num > 12: # 判断相加后的月份数是否大于12，如果大于12，需要在年+1
while R_MA_num > 12:
R_MA_datetime = R_MA_datetime.replace(year=R_MA_datetime.year + 1)
R_MA_num = R_MA_num - 12
R_ret_tuple = self.__days_add(R_MA_datetime, R_MA_num, lastday).timetuple()
else:
R_ret_tuple = self.__days_add(R_MA_datetime, R_MA_num, lastday).timetuple()
elif add_minus.lower() == "minus": # 判断是否为-
while col_num >= 12: # 判断传入的参数是否大于12，如果大于12则对年做处理
R_MA_datetime = R_MA_datetime.replace(year=R_MA_datetime.year - 1)
col_num = col_num - 12
# R_MA_num = 12 + (R_MA_datetime.month - col_num) # 获取将要替换的月份的数字
if R_MA_datetime.month - col_num < 0: # 判断当前月份数字是否大于传入参数(取模后的)，小于0表示，年需要减1，并对月份做处理
if R_MA_datetime.day > calendar.monthrange(R_MA_datetime.year - 1, R_MA_datetime.month)[
1]: # 如果年减一后，当前日期的天数大于年减一后的天数，则在月份加1，天变更为当前日期天数减变更后的月份天数
R_MA_datetime = R_MA_datetime.replace(year=R_MA_datetime.year - 1, month=R_MA_datetime.month + 1,
day=(R_MA_datetime.day >
calendar.monthrange(R_MA_datetime.year - 1,
R_MA_datetime.month)[1])) # 年减1
else:
R_MA_datetime = R_MA_datetime.replace(year=R_MA_datetime.year - 1) # 年减1
R_MA_datetime = self.__days_add(R_MA_datetime, 12 - abs(R_MA_datetime.month - col_num), lastday)
elif R_MA_datetime.month - col_num == 0: # 判断当前月份数字是否等于传入参数(取模后的)，等于0表示，年减1，月份替换为12，天数不变(12月为31天，不可能会存在比31大的天数)
R_MA_datetime = R_MA_datetime.replace(year=R_MA_datetime.year - 1, month=12)
elif R_MA_datetime.month - col_num > 0: # 默认表示当前月份-传入参数(需要减去的月数字)大于0，不需要处理年
R_MA_datetime = self.__days_add(R_MA_datetime, R_MA_datetime.month - col_num, lastday)
R_ret_tuple = R_MA_datetime.timetuple()
return R_ret_tuple # 返回时间元组
def __days_add(self, formal_MA_datetime, formal_MA_num, lastday):
R_MA_datetime = formal_MA_datetime
R_MA_num = formal_MA_num
if lastday: # 如果计算月最后一天，则直接把月份替换，天数为月份替换后的最后一天
R_MA_datetime = R_MA_datetime.replace(month=R_MA_num,
day=calendar.monthrange(R_MA_datetime.year, R_MA_num)[
1]) # 月份替换，天数为替换月的最后一天
else:
if R_MA_datetime.day > \
calendar.monthrange(R_MA_datetime.year, R_MA_num)[
1]: # 判断当前日期的天数是否大于替换后的月份天数，如果大于，月份在替换后的基础上再加1，天数替换为当前月份天数减替换月份天数
R_MA_datetime = R_MA_datetime.replace(month=R_MA_num + 1,
day=R_MA_datetime.day -
calendar.monthrange(R_MA_datetime.year, R_MA_num)[
1]) # 月份在替换月的数字上再加1，天数替换为当前月份天数减替换月份天数
else:
R_MA_datetime = R_MA_datetime.replace(month=R_MA_num) # 获取替换月份，day不变
return R_MA_datetime
# 月计算的入口函数
def R_Month_Colculation(self, R_ColStr, lastday, time_truct):
R_ret_tuple = None
if R_ColStr.find("-") != -1: # 判断-是否存在字符串
col_num = R_ColStr.split("-")[-1].strip() # 获取需要计算的数字
if col_num.strip().isdigit(): # 判断获取的数字是否为正整数
R_ret_tuple = self.__R_MonthAdd(int(col_num.strip()), "minus", lastday, time_truct) # 获取tuple time时间格式
else: # 如果获取的数字不为正整数，则退出程序
print("Please enter right format symbol!!")
print("If you don't kown what values is avalable,please use -h to get help!")
exit(4)
elif R_ColStr.find("+") != -1: # 判断+是否存在字符串
col_num = R_ColStr.split("+")[-1].strip() # 获取需要计算的数字
if col_num.strip().isdigit(): # 判断获取的数字是否为正整数
R_ret_tuple = self.__R_MonthAdd(int(col_num.strip()), "add", lastday, time_truct) # 获取tuple time时间格式
else:
print("Please enter right format symbol!!")
print("If you don't kown what values is avalable,please use -h to get help!")
exit(4)
return R_ret_tuple
# 秒，分，时，日，周计算的实现函数
def R_General_Colculation(self, R_ColStr, time_truct, cal_parm):
R_ret_tuple = None
if time_truct == None: # 判断是否指定了输入时间，没指定则获取当前时间，否则使用指定的输入时间
R_Datatime = datetime.datetime.now()
else:
R_Datatime = datetime.datetime.fromtimestamp(time.mktime(time_truct))
if R_ColStr.find("-") != -1: # 判断-是否存在字符串
col_num = R_ColStr.split("-")[-1].strip() # 获取需要计算的数字
if col_num.strip().isdigit(): # 判断获取的数字是否为正整数
if R_ColStr.strip().lower().find("second") != -1:
R_ret_tuple = (R_Datatime + datetime.timedelta(
seconds=-int(col_num.strip()))).timetuple() # 获取tuple time时间格式
elif R_ColStr.strip().lower().find("minute") != -1:
R_ret_tuple = (R_Datatime + datetime.timedelta(
minutes=-int(col_num.strip()))).timetuple() # 获取tuple time时间格式
elif R_ColStr.strip().lower().find("hour") != -1:
R_ret_tuple = (R_Datatime + datetime.timedelta(
hours=-int(col_num.strip()))).timetuple() # 获取tuple time时间格式
elif R_ColStr.strip().lower().find("day") != -1:
R_ret_tuple = (R_Datatime + datetime.timedelta(
days=-int(col_num.strip()))).timetuple() # 获取tuple time时间格式
elif R_ColStr.strip().lower().find("week") != -1:
R_ret_tuple = (R_Datatime + datetime.timedelta(
weeks=-int(col_num.strip()))).timetuple() # 获取tuple time时间格式
# R_ret_tuple = (R_Datatime + datetime.timedelta(cal_parm=-int(col_num.strip()))).timetuple() # 获取tuple time时间格式
else: # 如果获取的数字不为正整数，则退出程序
print("Please enter right format symbol!!")
print("If you don't kown what values is avalable,please use -h to get help!")
exit(4)
elif R_ColStr.find("+") != -1: # 判断+是否存在字符串
col_num = R_ColStr.split("+")[-1].strip() # 获取需要计算的数字
if col_num.strip().isdigit(): # 判断获取的数字是否为正整数
if R_ColStr.strip().lower().find("second") != -1:
R_ret_tuple = (R_Datatime + datetime.timedelta(
seconds=int(col_num.strip()))).timetuple() # 获取tuple time时间格式
elif R_ColStr.strip().lower().find("minute") != -1:
R_ret_tuple = (R_Datatime + datetime.timedelta(
minutes=int(col_num.strip()))).timetuple() # 获取tuple time时间格式
elif R_ColStr.strip().lower().find("hour") != -1:
R_ret_tuple = (R_Datatime + datetime.timedelta(
hours=int(col_num.strip()))).timetuple() # 获取tuple time时间格式
elif R_ColStr.strip().lower().find("day") != -1:
R_ret_tuple = (R_Datatime + datetime.timedelta(
days=int(col_num.strip()))).timetuple() # 获取tuple time时间格式
elif R_ColStr.strip().lower().find("week") != -1:
R_ret_tuple = (R_Datatime + datetime.timedelta(
weeks=int(col_num.strip()))).timetuple() # 获取tuple time时间格式
else:
print("Please enter right format symbol!!")
print("If you don't kown what values is avalable,please use -h to get help!")
exit(4)
return R_ret_tuple
# 年计算的实现函数
def R_Year_Colculation(self, R_ColStr, time_truct):
R_ret_tuple = None
if time_truct == None: # 判断是否指定了输入时间，没指定则获取当前时间，否则使用指定的输入时间
R_Y_Datatime = datetime.datetime.now()
else:
R_Y_Datatime = datetime.datetime.fromtimestamp(time.mktime(time_truct))
if R_ColStr.find("-") != -1: # 判断-是否存在字符串
col_num = R_ColStr.split("-")[-1].strip() # 获取需要计算的数字
if col_num.strip().isdigit(): # 判断获取的数字是否为正整数
# 判断当前时间是否为闰年并且为二月29日，如果是相加/减后不为闰年则在月份加1，日期加1
if calendar.isleap(
R_Y_Datatime.year) and R_Y_Datatime.month == 2 and R_Y_Datatime.day == 29 and calendar.isleap(
R_Y_Datatime.year - int(col_num.strip())) == False:
R_ret_tuple = (
R_Y_Datatime.replace(year=R_Y_Datatime.year - int(col_num.strip()), month=R_Y_Datatime.month + 1,
day=1)).timetuple() # 获取tuple time时间格式
else:
R_ret_tuple = (
R_Y_Datatime.replace(
year=R_Y_Datatime.year - int(col_num.strip()))).timetuple() # 获取tuple time时间格式
else: # 如果获取的数字不为正整数，则退出程序
print("Please enter right format symbol!!")
print("If you don't kown what values is avalable,please use -h to get help!")
exit(4)
elif R_ColStr.find("+") != -1: # 判断+是否存在字符串
col_num = R_ColStr.split("+")[-1].strip() # 获取需要计算的数字
if col_num.strip().isdigit(): # 判断获取的数字是否为正整数
# 判断当前时间是否为闰年并且为二月29日，如果是相加/减后不为闰年则在月份加1，日期加1
if calendar.isleap(
R_Y_Datatime.year) and R_Y_Datatime.month == 2 and R_Y_Datatime.day == 29 and calendar.isleap(
R_Y_Datatime.year + col_num.strip()) == False:
R_ret_tuple = (
R_Y_Datatime.replace(year=R_Y_Datatime.year - int(col_num.strip()),
month=R_Y_Datatime.month + 1, day=1)).timetuple() # 获取tuple time时间格式
else:
R_ret_tuple = (
R_Y_Datatime.replace(
year=R_Y_Datatime.year + int(col_num.strip()))).timetuple() # 获取tuple time时间格式
else:
print("Please enter right format symbol!!")
print("If you don't kown what values is avalable,please use -h to get help!")
exit(4)
return R_ret_tuple
# 获取月的最后一天
def R_Month_lastday(self, time_tuple):
R_MA_datetime = datetime.datetime.fromtimestamp(time.mktime(time_tuple)) # time_tuple
R_MA_datetime = R_MA_datetime.replace(day=(calendar.monthrange(R_MA_datetime.year, R_MA_datetime.month)[1]))
return R_MA_datetime.timetuple()
def R_colculation(self):
ret_tupletime = None
ColStr = self.rdate["colculation_string"]
lastday = self.rdate["last_day"]
input_time = None
if ColStr != None:
if type(ColStr) != str:
print("Please enter right format symbol!!")
print("If you don't kown what values is avalable,please use -h to get help!")
exit(3)
if (ColStr.find("-") != -1) and (ColStr.find("+") != -1):
print("Please enter right format symbol!!")
print("If you don't kown what values is avalable,please use -h to get help!")
exit(3)
if self.rdate["input_time"] != None:
if self.rdate["input_format"] == None:
i = 1
while 1:
try:
if i < 2:
input_time = time.strptime(self.rdate["input_time"], "%Y%m%d")
else:
input_time = time.strptime(self.rdate["input_time"], "%Y-%m-%d")
break
except ValueError as e:
if i < 2:
i+=1
continue
print("The input time and format do not match.")
exit(98)
elif self.rdate["input_format"] == "%s":
if self.rdate["input_time"].isdigit():
input_time = time.localtime(int(self.rdate["input_time"]))
else:
print("The input time must be number.")
exit(97)
else:
try:
input_time = time.strptime(self.rdate["input_time"], self.rdate["input_format"])
except ValueError as e:
print("The input time and format do not match.")
exit(98)
if lastday:
if ColStr == None:
if input_time != None:
ret_tupletime = self.R_Month_lastday(input_time)
else:
ret_tupletime = self.R_Month_lastday(time.localtime())
# second的计算
# elif ColStr.strip().lower().find("second") != -1: # 判断是否传入的字符串中是否存在hour关键字
# ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time,"seconds")
# # minute的计算
# elif ColStr.strip().lower().find("minute") != -1: # 判断是否传入的字符串中是否存在hour关键字
# # ret_tupletime = self.R_Minute_Colculation(ColStr.strip().lower(), input_time)
# ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "minutes")
# # hour的计算
# elif ColStr.strip().lower().find("hour") != -1: # 判断是否传入的字符串中是否存在hour关键字
# # ret_tupletime = self.R_Hour_Colculation(ColStr.strip().lower(), input_time)
# ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "hours")
# # day的计算
# elif ColStr.strip().lower().find("day") != -1: # 判断是否传入的字符串中是否存在day关键字
# # ret_tupletime = self.R_Month_lastday(self.R_Day_Colculation(ColStr.strip().lower(), input_time))
# ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "days")
# # week的计算
# elif ColStr.strip().lower().find("week") != -1: # 判断是否传入的字符串中是否存在day关键字
# # ret_tupletime = self.R_Month_lastday(self.R_Week_Colculation(ColStr.strip().lower(), input_time))
# ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "weeks")
elif ColStr.strip().lower().find("second") != -1 or ColStr.strip().lower().find("minute") != -1 or ColStr.strip().lower().find("hour") != -1 or ColStr.strip().lower().find("day") != -1 or ColStr.strip().lower().find("week") != -1:
ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time)
# month的计算
elif ColStr.strip().lower().find("month") != -1: # 判断是否传入的字符串中是否存在day关键字
ret_tupletime = self.R_Month_lastday(self.R_Month_Colculation(ColStr.strip().lower(), lastday, input_time))
# year的计算
elif ColStr.strip().lower().find("year") != -1: # 判断是否传入的字符串中是否存在day关键字
ret_tupletime = self.R_Month_lastday(self.R_Year_Colculation(ColStr.strip().lower(), input_time))
else:
print("Please enter right format symbol of -c.")
print("If you don't kown what values is avalable,please use -h to get help!")
exit(3)
else:
if ColStr == None:
if self.rdate["input_time"] != None:
ret_tupletime = input_time
else:
ret_tupletime = time.localtime()
# second的计算
elif ColStr.strip().lower().find("second") != -1: # 判断是否传入的字符串中是否存在hour关键字
ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "seconds")
# minute的计算
elif ColStr.strip().lower().find("minute") != -1: # 判断是否传入的字符串中是否存在hour关键字
# ret_tupletime = self.R_Minute_Colculation(ColStr.strip().lower(), input_time)
ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "minutes")
# hour的计算
elif ColStr.strip().lower().find("hour") != -1: # 判断是否传入的字符串中是否存在hour关键字
# ret_tupletime = self.R_Hour_Colculation(ColStr.strip().lower(), input_time)
ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "hours")
# day的计算
elif ColStr.strip().lower().find("day") != -1: # 判断是否传入的字符串中是否存在day关键字
# ret_tupletime = self.R_Month_lastday(self.R_Day_Colculation(ColStr.strip().lower(), input_time))
ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "days")
# week的计算
elif ColStr.strip().lower().find("week") != -1: # 判断是否传入的字符串中是否存在day关键字
# ret_tupletime = self.R_Month_lastday(self.R_Week_Colculation(ColStr.strip().lower(), input_time))
ret_tupletime = self.R_General_Colculation(ColStr.strip().lower(), input_time, "weeks")
# month的计算
elif ColStr.strip().lower().find("month") != -1: # 判断是否传入的字符串中是否存在day关键字
ret_tupletime = self.R_Month_Colculation(ColStr.strip().lower(), lastday, input_time)
# year的计算
elif ColStr.strip().lower().find("year") != -1: # 判断是否传入的字符串中是否存在day关键字
ret_tupletime = self.R_Year_Colculation(ColStr.strip().lower(), input_time)
else:
print("Please enter right format symbol of -c.")
print("If you don't kown what values is avalable,please use -h to get help!")
exit(3)
return ret_tupletime
def func_help():
print("""
NAME:
rdate --display date and time
SYNOPSIS:
rdate [-f] [time format] [-c] [colculation format] [-d] [input_time] [input_time_format]
DESCRIPTION:
-c: value is hour/day/week/month/year,plus +/-,plus a number which is number to colculate
-l: obtain a number which is last day of month
-d:
input_time: enter a time string
input_time_format: enter a time format for input time,default %Y%m%d or %Y-%m-%d
-f:
%A is replaced by national representation of the full weekday name.
%a is replaced by national representation of the abbreviated weekday name.
%B is replaced by national representation of the full month name.
%b is replaced by national representation of the abbreviated month name.
%C is replaced by (year / 100) as decimal number; single digits are preceded by a zero.
%c is replaced by national representation of time and date.
%D is equivalent to ``%m/%d/%y''.
%d is replaced by the day of the month as a decimal number (01-31).
%E* %O*
POSIX locale extensions. The sequences %Ec %EC %Ex %EX %Ey %EY %Od %Oe %OH %OI %Om %OM %OS %Ou %OU %OV %Ow %OW %Oy are supposed to provide alternate
representations.
Additionally %OB implemented to represent alternative months names (used standalone, without day mentioned).
%e is replaced by the day of the month as a decimal number (1-31); single digits are preceded by a blank.
%F is equivalent to ``%Y-%m-%d''.
%G is replaced by a year as a decimal number with century. This year is the one that contains the greater part of the week (Monday as the first day of
the week).
%g is replaced by the same year as in ``%G'', but as a decimal number without century (00-99).
%H is replaced by the hour (24-hour clock) as a decimal number (00-23).
%h the same as %b.
%I is replaced by the hour (12-hour clock) as a decimal number (01-12).
%j is replaced by the day of the year as a decimal number (001-366).
%k is replaced by the hour (24-hour clock) as a decimal number (0-23); single digits are preceded by a blank.
%l is replaced by the hour (12-hour clock) as a decimal number (1-12); single digits are preceded by a blank.
%M is replaced by the minute as a decimal number (00-59).
%m is replaced by the month as a decimal number (01-12).
%n is replaced by a newline.
%O* the same as %E*.
%p is replaced by national representation of either ante meridiem (a.m.) or post meridiem (p.m.) as appropriate.
%R is equivalent to ``%H:%M''.
%r is equivalent to ``%I:%M:%S %p''.
%S is replaced by the second as a decimal number (00-60).
%s is replaced by the number of seconds since the Epoch, UTC (see mktime(3)).
%T is equivalent to ``%H:%M:%S''.
%t is replaced by a tab.
%U is replaced by the week number of the year (Sunday as the first day of the week) as a decimal number (00-53).
%u is replaced by the weekday (Monday as the first day of the week) as a decimal number (1-7).
%V is replaced by the week number of the year (Monday as the first day of the week) as a decimal number (01-53). If the week containing January 1 has
four or more days in the new year, then it is week 1; otherwise it is the last week of the previous year, and the next week is week 1.
%v is equivalent to ``%e-%b-%Y''.
%W is replaced by the week number of the year (Monday as the first day of the week) as a decimal number (00-53).
%w is replaced by the weekday (Sunday as the first day of the week) as a decimal number (0-6).
%X is replaced by national representation of the time.
%x is replaced by national representation of the date.
%Y is replaced by the year with century as a decimal number.
%y is replaced by the year without century as a decimal number (00-99).
%Z is replaced by the time zone name.
%z is replaced by the time zone offset from UTC; a leading plus sign stands for east of UTC, a minus sign for west of UTC, hours and minutes follow with
two digits each and no delimiter between them (common form for RFC 822 date headers).
%+ is replaced by national representation of the date and time (the format is similar to that produced by date(1)).
%-* GNU libc extension. Do not do any padding when performing numerical outputs.
%_* GNU libc extension. Explicitly specify space for padding.
%0* GNU libc extension. Explicitly specify zero for padding.
%% is replaced by `%'.
EXAMPLE:
rdate --2017-10-23 11:04:51 Monday
rdate -f "%Y-%m_%d" --2017-10-23
rdate -f "%Y-%m_%d" -c "day-3" --2017-10-20
rdate -f "%Y-%m_%d" -c "day+3" --2017-10-26
rdate -f "%Y-%m_%d" -c "month+3" --2017-7-23
rdate -f "%Y-%m_%d" -c "year+3" --2020-7-23
rdate -c "week - 1" -f "%Y-%m-%d %V" --2018-02-15 07
rdate -c "day - 30" -f "%Y-%m-%d" -l --2018-01-31
rdate -d "1972-01-31" "%Y-%m-%d" --1972-01-31 00:00:00 Monday
""")
if __name__ == "__main__":
d1 = DateColculation()
if len(sys.argv) > 1:
i = 1
while i < len(sys.argv):
if sys.argv[i] == "-h": # 判断输入的参数是否为-h,既获取帮助
func_help()
exit(0)
elif sys.argv[i] == "-f": # -f表示format,表示指定的输出时间格式
i = i + 1
if i >= len(sys.argv): # 判断-f的值的下标是否大于等于参数个数，如果为真则表示没有指定-f的值
print("The value of -f must be specified!!!")
exit(1)
elif sys.argv[i] == "-c":
print("The value of -f must be specified!!!")
exit(1)
elif re.match("^-", sys.argv[i]) != None: # 判断-f的值，如果-f的下个参数以-开头，表示没有指定-f值
print("The value of -f must be specified!!!")
exit(1)
d1.rdate["time_format"] = sys.argv[i] # 获取输出时间格式
elif sys.argv[i] == "-c": # -c表示colculation,计算
i = i + 1
if i >= len(sys.argv): # 判断-f的值的下标是否大于等于参数个数，如果为真则表示没有指定-f的值
print("The value of -c must be specified!!!")
exit(2)
elif sys.argv[i] == "-f":
print("The value of -c must be specified!!!")
exit(2)
elif (re.match("^-", sys.argv[i]) != None): # 判断-f的值，如果-f的下个参数以-开头，表示没有指定-f值
print("The value of -c must be specified!!!")
exit(2)
d1.rdate["colculation_string"] = sys.argv[i] # 获取需要计算的字符串参数内容
elif sys.argv[i] == "-d": # -d date 表示指定输入的时间和输入的时间格式
i += 1
if i >= len(sys.argv): # 判断-d的值的下标是否大于等于参数个数，如果为真则表示没有指定-的值
print("The value of -d must be specified!!!")
exit(3)
elif (re.match("^-", sys.argv[i]) != None): # 判断-d的值，如果-df的下个参数以-开头，表示没有指定-df值
print("The value of -c must be specified!!!")
exit(3)
d1.rdate["input_time"] = sys.argv[i]
if (i+1 < len(sys.argv) and re.match("^-", sys.argv[(i+1)]) == None):
d1.rdate["input_format"] = sys.argv[i+1]
i+=1
elif sys.argv[i] == "-l": # -l表示获取月份的最后一天
d1.rdate["last_day"] = True
else:
print("You must enter right parametr.")
print("If you don't kown what values is avalable,please use -h to get help!")
exit(3)
i = i + 1
d1.rdate["time_tuple"] = d1.R_colculation() # 获取时间的元组，通过R_colculation函数，R_colculation参数为传入一个需要计算的时间字符串
print(time.strftime(d1.rdate["time_format"], d1.rdate["time_tuple"]))
exit(0)
else: # 如果不输入参数，则输出默认格式化的本地时间
print(time.strftime(d1.rdate["time_format"], d1.rdate["time_tuple"]))
exit(0)
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