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import pymysql
from datetime import datetime, timedelta
import time
class MyDB:
def __init__(self, host, user, passwd, db):
self.conn = pymysql.connect(host, user, passwd, db)
self.cursor = self.conn.cursor()
def __del__(self):
self.conn.close()
# 获取当然日期
def get_cur_date(self):
date = datetime.today()
curdate = date.strftime('%Y-%m-%d')
return curdate
# 获取前N天的日期
def get_pren_date(self, n=1):
predate = datetime.today() + timedelta(-n)
predate = predate.strftime('%Y-%m-%d')
return predate
# 获取现有确诊人数最多的5个省份
def get_province_curconfirm_top5(self):
curdate = self.get_cur_date() # 获取当天的日期
sql = "select provinceName,currentConfirmedCount,pub_date from province_daily_datas where pub_date like '%s' order by currentConfirmedCount desc limit 5" % (curdate + '%')
print('+++ sql: %s' % sql)
results = []
try:
self.cursor.execute(sql)
results = self.cursor.fetchall()
n = 1
while len(results) <= 0:
predate = self.get_pren_date(n)
sql = "select provinceName,currentConfirmedCount,pub_date from province_daily_datas where pub_date like '%s' order by currentConfirmedCount desc limit 5" % (predate + '%')
print('+++ presql: %s' % sql)
self.cursor.execute(sql)
results = self.cursor.fetchall()
n += 1
if n >= 30:
break
else:
time.sleep(1)
except Exception as e:
print(e)
#print(results)
return results
#获取当前确诊人数前十的国家
def get_country_curconfirm_top10(self):
curdate = self.get_cur_date() # 获取当天的日期
sql = "select country,curConfirm,pub_date from foreign_datas where pub_date like '%s' order by curConfirm desc limit 10" % (curdate + '%')
print('+++ sql: %s' % sql)
results = []
try:
self.cursor.execute(sql)
results = self.cursor.fetchall()
n = 1
while len(results) <= 0:
predate = self.get_pren_date(n)
sql = "select country,curConfirm,pub_date from foreign_datas where pub_date like '%s' order by curConfirm desc limit 10" % (predate + '%')
print('+++ presql: %s' % sql)
self.cursor.execute(sql)
results = self.cursor.fetchall()
n += 1
if n >= 30:
break
else:
time.sleep(1)
except Exception as e:
print(e)
# print(results)
return results
# 获取最新一天每个省份的现有确诊数量
def get_province_curConfirms(self):
curdate = self.get_cur_date() # 获取当天的日期
sql = 'select provinceshortName,currentConfirmedCount,pub_date from province_daily_datas where pub_date like "%s"' % (curdate + '%')
print('+++ sql: %s' % sql)
results = []
try:
self.cursor.execute(sql)
results = self.cursor.fetchall()
n = 1
while len(results) <= 0:
predate = self.get_pren_date(n)
sql = 'select provinceshortName,currentConfirmedCount,pub_date from province_daily_datas where pub_date like "%s"' % (predate + '%')
print('+++ sql: %s' % sql)
self.cursor.execute(sql)
results = self.cursor.fetchall()
n += 1
if n >= 15:
break
else:
time.sleep(1)
except Exception as e:
print(e)
#print(results)
return results
# 获取最新一天每个国家的现有确诊数量
def get_country_curConfirms(self):
curdate = self.get_cur_date() # 获取当天的日期
sql = 'select country,curConfirm,pub_date from foreign_datas where pub_date like "%s"' % (curdate + '%')
print('+++ sql: %s' % sql)
results = []
try:
self.cursor.execute(sql)
results = self.cursor.fetchall()
n = 1
while len(results) <= 0:
predate = self.get_pren_date(n)
sql = 'select country,curConfirm,pub_date from foreign_datas where pub_date like "%s"' % (predate + '%')
print('+++ sql: %s' % sql)
self.cursor.execute(sql)
results = self.cursor.fetchall()
n += 1
if n >= 15:
break
else:
time.sleep(1)
except Exception as e:
print(e)
#print(results)
return results
# 获取最新一天广西的现有确诊数量
def get_guangxi_curConfirms(self):
curdate = self.get_cur_date() # 获取当天的日期
sql = 'select cityName,confirmedCount,pub_date from city_daily_datas where province="广西" and pub_date like "%s"' % (curdate + '%')
print('+++ sql: %s' % sql)
results = []
try:
self.cursor.execute(sql)
results = self.cursor.fetchall()
n = 1
while len(results) <= 0:
predate = self.get_pren_date(n)
sql = 'select cityName,confirmedCount,pub_date from city_daily_datas where province="广西" and pub_date like "%s"' % (predate + '%')
print('+++ sql: %s' % sql)
self.cursor.execute(sql)
results = self.cursor.fetchall()
n += 1
if n >= 15:
break
else:
time.sleep(1)
except Exception as e:
print(e)
#print(results)
return results
# 获取最新一天河南的现有确诊数量
def get_henan_curConfirms(self):
curdate = self.get_cur_date() # 获取当天的日期
sql = 'select cityName,curedCount,pub_date from city_daily_datas where province="河南" and pub_date like "%s"' % (curdate + '%')
print('+++ sql: %s' % sql)
results = []
try:
self.cursor.execute(sql)
results = self.cursor.fetchall()
n = 1
while len(results) <= 0:
predate = self.get_pren_date(n)
sql = 'select cityName,curedCount,pub_date from city_daily_datas where province="河南" and pub_date like "%s"' % (predate + '%')
print('+++ sql: %s' % sql)
self.cursor.execute(sql)
results = self.cursor.fetchall()
n += 1
if n >= 15:
break
else:
time.sleep(1)
except Exception as e:
print(e)
#print(results)
return results
# 获取现有确诊人数最多的5个省份
def get_province_top5(self):
curdate = self.get_cur_date() # 获取当天的日期
sql = "select provinceName,currentConfirmedCount,confirmedCount,curedCount,pub_date from province_daily_datas where pub_date like '%s' order by currentConfirmedCount desc limit 5" % (curdate + '%')
print('+++ sql: %s' % sql)
results = []
try:
self.cursor.execute(sql)
results = self.cursor.fetchall()
n = 1
while len(results) <= 0:
predate = self.get_pren_date(n)
sql = "select provinceName,currentConfirmedCount,confirmedCount,curedCount,pub_date from province_daily_datas where pub_date like '%s' order by currentConfirmedCount desc limit 5" % (predate + '%')
print('+++ presql: %s' % sql)
self.cursor.execute(sql)
results = self.cursor.fetchall()
n += 1
if n >= 30:
break
else:
time.sleep(1)
except Exception as e:
print(e)
#print(results)
return results
# 获取现有确诊人数最多的10个国家的信息
def get_country_top10(self):
curdate = self.get_cur_date() # 获取当天的日期
sql = "select country,curConfirm,confirmed,crued,pub_date from foreign_datas where pub_date like '%s' order by curConfirm desc limit 10" % (curdate + '%')
print('+++ sql: %s' % sql)
results = []
try:
self.cursor.execute(sql)
results = self.cursor.fetchall()
n = 1
while len(results) <= 0:
predate = self.get_pren_date(n)
sql = "select country,curConfirm,confirmed,crued,pub_date from foreign_datas where pub_date like '%s' order by curConfirm desc limit 10" % (predate + '%')
print('+++ presql: %s' % sql)
self.cursor.execute(sql)
results = self.cursor.fetchall()
n += 1
if n >= 30:
break
else:
time.sleep(1)
except Exception as e:
print(e)
#print(results)
return results
'''
if __name__ == "__main__":
mydb = MyDB('localhost', 'root', 'Aa183365', 'covid19_datas')
results = mydb.get_province_curconfirm_top5() # results : []
print(type(results[0]))
'''