#!/usr/bin/env python
-coding:utf-8-
import time from datetime import datetime import calendar import MySQLdb import sys
class GetDayMonth(object):
代码语言：javascript复制def getLastDayOfLastMonth(self,step):
d = datetime.now()
year = d.year
month = d.month
if month == 1:
month = 12
year -= 1
else:
month -= step
days = calendar.monthrange(year, month)[1]
return datetime(year, month, days).strftime('%Y-%m-%d')
def getFirstDayOfLastMonth(self,step):
d = datetime.now()
year = d.year
month = d.month
if month == 1:
month = 12
year -= 1
else:
month -= step
return datetime(year, month, 1).strftime('%Y-%m-%d')
def getLastMonth(self,step):
d = datetime.now()
year = d.year
month = d.month
if month == 1:
month = 12
year -= 1
else:
month -= step
return datetime(year, month, 1).strftime('%Y%m')class MysqlExe(object): def init(self,host,port,user,passwd,db,charset='utf8'): try: self.conn = MySQLdb.connect(host,user,passwd,db,int(port)) except MySQLdb.Error as e: errormsg = 'Cannot connect to servernERROR(%s):%s' % (e.args[0],e.args[1]) print errormsg exit(2) self.cursor = self.conn.cursor()
代码语言：javascript复制def Creat_table(self,sql):
try:
self.cursor.execute(sql)
self.conn.commit()
except:
self.conn.rollback()
print "sql execute error"
exit(2)
def __del__(self):
self.conn.close()
self.cursor.close()if name == 'main':
代码语言：javascript复制d = GetDayMonth()
table_name = sys.argv[1]
first_day_month = d.getFirstDayOfLastMonth(1)
last_day_month = d.getLastDayOfLastMonth(1)
last_3day_month = d.getLastDayOfLastMonth(3)
last_month = d.getLastMonth(1)
mysql_exec = MysqlExe('127.0.0.1',3306,'root','XXXX','guanba_data')
sql_create = "create table guanba_data.%s_%s like guanba_data.%s"%(table_name,last_month,table_name)
sql_insert = "insert into guanba_data.%s_%s select * from guanba_data.%s where create_time >= unix_timestamp('%s 00:00:00') and create_time <= unix_timestamp('%s 23:59:59')"%(table_name,last_month,table_name,first_day_month,last_day_month)
sql_del = "delete from guanba_data.%s where create_time <= unix_timestamp('%s 23:59:59')"%(table_name,last_3day_month)
mysql_exec.Creat_table(sql_create)
mysql_exec.Creat_table(sql_insert)
mysql_exec.Creat_table(sql_del)
