[yeemiao@localhost sendmail]$ more sendtest.py
# -*- coding: utf-8 -*-
# Author: hkey
from email.header import Header
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
# from email.utils import parseaddr, formataddr
from email import encoders
from email.mime.base import MIMEBase
import smtplib, os
import pymysql, xlwt
import datetime
import time
class CreateExcel(object):
'''查询数据库并生成Excel文档'''
def __init__(self, mysql_info):
self.mysql_info = mysql_info
self.conn = pymysql.connect(host = self.mysql_info['host'], port = self.mysql_info['port'],
user = self.mysql_info['user'], passwd = self.mysql_info['passwd'],
db = self.mysql_info['db'], charset='utf8')
self.cursor = self.conn.cursor()
def getUserData(self, sql):
# 查询数据库
self.cursor.execute(sql)
table_desc = self.cursor.description
result = self.cursor.fetchall()
if not result:
print('没数据。')
# 返回查询数据、表字段
print('数据库查询完毕'.center(30, '#'))
return result, table_desc
def writeToExcel(self, data, filename):
# 生成Excel文档
# 注意：生成Excel是一列一列写入的。
result, fileds = data
wbk = xlwt.Workbook(encoding='utf-8')
# 创建一个表格
sheet1 = wbk.add_sheet('sheet1', cell_overwrite_ok=True)
for filed in range(len(fileds)):
# Excel插入第一行字段信息
sheet1.write(0, filed, fileds[filed][0]) # (行，列，数据)
for row in range(1, len(result)+1):
# 将数据从第二行开始写入
for col in range(0, len(fileds)):
sheet1.write(row, col, result[row-1][col]) #(行, 列, 数据第一行的第一列)
wbk.save(filename)
def close(self):
# 关闭游标和数据库连接
self.cursor.close()
self.conn.close()
print('关闭数据库连接'.center(30, '#'))
class SendMail(object):
'''将Excel作为附件发送邮件'''
def __init__(self, email_info):
self.email_info = email_info
# 使用SMTP_SSL连接端口为465
self.smtp = smtplib.SMTP(self.email_info['server'], self.email_info['port'])
# 创建两个变量
self._attachements = []
self._from = ''
def login(self):
# 通过邮箱名和smtp授权码登录到邮箱
self._from = self.email_info['user']
self.smtp.login(self.email_info['user'], self.email_info['password'])
# def _format_addr(self, s):
# name, addr = parseaddr(s)
# return formataddr((Header(name, 'utf-8').encode(), addr))
def add_attachment(self):
# 添加附件内容
# 注意：添加附件内容是通过读取文件的方式加入
file_path = self.email_info['file_path']
with open(file_path, 'rb') as file:
filename = os.path.split(file_path)[1]
mime = MIMEBase('application', 'octet-stream', filename=filename)
mime.add_header('Content-Disposition', 'attachment', filename=('gbk', '', filename))
mime.add_header('Content-ID', '<0>')
mime.add_header('X-Attachment-Id', '0')
mime.set_payload(file.read())
encoders.encode_base64(mime)
# 添加到列表，可以有多个附件内容
self._attachements.append(mime)
def sendMail(self):
# 发送邮件，可以实现群发
msg = MIMEMultipart()
contents = MIMEText(self.email_info['content'], 'plain', 'utf-8')
msg['From'] = self.email_info['user']
msg['To'] = self.email_info['to']
msg['Subject'] = self.email_info['subject']
for att in self._attachements:
# 从列表中提交附件，附件可以有多个
msg.attach(att)
msg.attach(contents)
try:
self.smtp.sendmail(self._from, self.email_info['to'].split(','), msg.as_string())
print('邮件发送成功，请注意查收'.center(30, '#'))
except Exception as e:
print('Error:', e)
def close(self):
# 退出smtp服务
self.smtp.quit()
print('logout'.center(30, '#'))
if __name__ == '__main__':
l_id='1'
today_date = datetime.date.today()
first_day = today_date.replace(day=1)
fist_day_month=first_day.strftime("%Y%m%d")
thismon_first_day = datetime.date(datetime.date.today().year,datetime.date.today().month-0,1).strftime('%Y%m%d')
last1mon_first_day = datetime.date(datetime.date.today().year,datetime.date.today().month-1,1).strftime('%Y%m%d')
last2mon_first_day = datetime.date(datetime.date.today().year,datetime.date.today().month-2,1).strftime('%Y%m%d')
lastmonth=datetime.date(datetime.date.today().year,datetime.date.today().month-1,1).strftime('%Y%m')
last2month=datetime.date(datetime.date.today().year,datetime.date.today().month-2,1).strftime('%Y%m')
print(lastmonth)
print(last2month)
# 数据库连接信息
mysql_dict = {
'host': '192.168.1.130',
'port': 3306,
'user': 'sdrdev',
'passwd': 'sdrdev123',
'db': 'test'
}
# 邮件登录及内容信息
email_dict = {
# 手动填写，确保信息无误
"user": "yw@123.com",
"to": "huangxueliang@123.com", # 多个邮箱以','隔开；
"server": "mail.threegene.com",
'port': 25, # values值必须int类型
"username": "yw@123.com",
"password": "123456",
"subject": "user测试表",
"content": '用户测试数据',
'file_path': 'example.xls'
}
#sql = "select * from user where id="+l_id
sql="""select
t.table_schema,
t.table_name,
ifnull(t1.table_comment,'未知') table_comment,
sum(case when statedate='{last1mon_first_day}' then t.table_rows else 0 end) as '{last2month}月份记录数',
sum(case when statedate='{thismon_first_day}' then t.table_rows else 0 end) as '{lastmonth}月份记录数',
sum(case when statedate='{thismon_first_day}' then t.table_rows else 0 end) -
sum(case when statedate='{last1mon_first_day}' then t.table_rows else 0 end) as 增长记录数,
round(case when sum(case when statedate='{last1mon_first_day}' then t.table_rows else 0 end)>0 then
(sum(case when statedate='{thismon_first_day}' then t.table_rows else 0 end)-sum(case when statedate='{last1mon_first_day}' then t.table_rows else 0 end))*100/sum(case when statedate='{last1mon_first_day}' then t.table_rows
else 0 end)
else 0 end,2) '增长率%'
from tb_table_grouth_stat t left join information_schema.tables t1
on t.table_schema = t1.table_schema
and t.table_name = t1.table_name
where t.table_schema not in ('db_admin') and statedate in ('{last1mon_first_day}','{thismon_first_day}')
group by
t.table_schema,
t.table_name,
t1.table_comment
order by 7 desc""".format(last1mon_first_day=last1mon_first_day,thismon_first_day=thismon_first_day,last2month=last2month,lastmonth=lastmonth)
print(sql)
# filename = 'example.xls'
create_excel = CreateExcel(mysql_dict)
sql_res = create_excel.getUserData(sql)
create_excel.writeToExcel(sql_res,email_dict['file_path'])
create_excel.close()
sendmail = SendMail(email_dict)
sendmail.login()
sendmail.add_attachment()
sendmail.sendMail()
sendmail.close()
[yeemiao@localhost sendmail]$ python -V
Python 3.6.5
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