Python自动化办公-数据库提取数据形成表格并发送至邮箱

#!/usr/bin/python
#coding: utf-8
import sys
import xlwt
import MySQLdb
import datetime
import time
import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.application import MIMEApplication
import os.path

host = '*'
user = '*'
pwd = '*'
port = *
db = '*'
sheet_name = 'cx' + time.strftime("%Y-%m-%d")
filename = 'cx_' + time.strftime("%Y-%m-%d") + '.xls'
out_path = 'cx_'+ time.strftime("%Y-%m-%d") + '.xls'
print(out_path)
sql = "sql查询语句"
def export():
    conn = MySQLdb.connect(host,user,pwd,db,charset='utf8')
    cursor = conn.cursor()
    count = cursor.execute(sql)
    print("查询出" + str(count) + "条记录")
    if count>0:
        #来重置游标的位置
        cursor.scroll(0,mode='absolute')
        #搜取所有结果
        results = cursor.fetchall()
        # 获取MYSQL里面的数据字段名称
        fields = cursor.description
        workbook = xlwt.Workbook(encoding = 'utf-8') # workbook是sheet赖以生存的载体。
        sheet = workbook.add_sheet(sheet_name,cell_overwrite_ok=True)
        # 写上字段信息
        for field in range(0,len(fields)):
            sheet.write(0,field,fields[field][0])
        # 获取并写入数据段信息
        row = 1
        col = 0
        for row in range(1,len(results)+1):
            for col in range(0,len(fields)):
                sheet.write(row,col,u'%s'%results[row-1][col])
        workbook.save(out_path)
    else:
        print("无数据")

_user = "***@***"
_pwd = "**"
areceiver = "***@qq.com,***@***"
acc = "***@qq.com,***@***""

#如名字所示Multipart就是分多个部分
msg = MIMEMultipart()
msg["Subject"] =u'【数据统计_' + time.strftime("%Y-%m-%d") + u'】'
msg["From"] = _user
msg["To"] = areceiver
msg["Cc"] = acc

def send_email():
    conn = MySQLdb.connect(host,user,pwd,db,charset='utf8')
    cursor = conn.cursor()
    count = cursor.execute(sql)
    #---这是文字部分---
    content = '''您工作辛苦了,\n附件是系统每日统计情况，请查收！
    总计结果数为：'''+str(count)

    part = MIMEText(content,'plain','utf-8')
    msg.attach(part)
    if count>0:
        #---这是附件部分---
        #xls类型附件
        file_name = '' + filename
        part = MIMEText(open(file_name,'rb').read(), 'base64', 'gb2312')
        part["Content-Type"] = 'application/octet-stream'
        basename = os.path.basename(file_name)
        part["Content-Disposition"] = 'attachment; filename=%s' % basename.encode('gb2312')
        msg.attach(part)
        s = smtplib.SMTP("smtp.exmail.qq.com", timeout=465)#连接smtp邮件服务器,端口默认是25
        s.login(_user, _pwd)#登陆服务器
        s.sendmail(_user, areceiver.split(',') + acc.split(','), msg.as_string())#发送邮件
        print("Email send successfully")
        s.close()
    else:
        print("nothing to send!")
#调用函数
if __name__=="__main__":
    export()
    send_email()