python3+mysql查询数据并通过邮件群发excel附件

import pymysql #Python3的mysql模块，Python2 是mysqldbimport osimport datetime #定时发送，以及日期import shutil #文件操作import smtplib #邮件模块from email.mime.text import MIMETextfrom email.mime.multipart import MIMEMultipartfrom email.header import Headerimport timeimport xlwt #excel写入

def eMysql(mysql_host,mysql_port,mysql_user,mysql_password,mysql_db,sql): try:  db = pymysql.connect(host=mysql_host,port=mysql_port,user=mysql_user, password=mysql_password, db=mysql_db,charset = 'utf8')#连接数据库编码注意是utf8，不然中文结果输出会乱码  print("MYSQL CONNECTED.")# 连接数据库  cursor = db.cursor()# 使用cursor()方法获取操作游标  cursor.execute(sql)# 执行SQL语句  print('SQL EXECUTED')  results = cursor.fetchall()# 结果  return results  print('RESULTS EXECUTED')  db.close() # 关闭数据库连接  print('MYSQL CLOSED') except:  print('SQL FAILED')

def eWrite(fLocate,results,file_sheet,file_subject,style0): try:  if os.path.exists(fLocate):   os.remove(fLocate) # 如果文件存在，则删除  f = xlwt.Workbook(encoding='utf-8') #打开excel文件  fs = f.add_sheet(file_sheet) #sheet名  subject = list(file_subject) #列表化  for i in range(len(subject)): #找到日期列   if '日期' in subject[i]:    col_num=i  for i in range(len(subject)): #sheet标题   fs.write(0, i, subject[i])  for i in range(len(results)): #sheet数据,日期列格式为date   for j in range(len(results[0])):    if j== col_num:     fs.write(i + 1, j, results[i][j],style0)    else:     fs.write(i + 1, j, results[i][j])  for i in range(10): #单元格宽度为   fs.col(i).width=3333  print("WRITE FINISHED")  f.save(fLocate) except :  print ("WRITE FAILED")

def eSend(sender,receiver,username,password,smtpserver,subject,e_content,file_path,file_name): try:#邮件头  message = MIMEMultipart()  message['From'] = sender#发送  message['To'] = ",".join(receiver)#收件  message['Subject'] = Header(subject, 'utf-8')  message.attach(MIMEText(e_content, 'plain', 'utf-8'))# 邮件正文# 构造附件  att1 = MIMEText(open(file_path+file_name,'rb').read(), 'base64', 'utf-8')  att1["Content-Type"] = 'application/octet-stream'  att1["Content-Disposition"] = "attachment;filename="+file_name  message.attach(att1)#执行  smtp = smtplib.SMTP()  smtp.connect(smtpserver) #连接服务器  smtp.login(username, password) #登录  smtp.sendmail(sender, receiver, message.as_string()) #发送  smtp.quit()  print("SEND") except:  print("SEND FAILED")

while True:#配置 #__time_____ ehour=5#定时小时 emin=21#定时分钟 esec=41#定时秒 current_time = time.localtime(time.time())  #当前时间date cur_time = time.strftime('%H%M', time.localtime(time.time()))    #当前时间str #__mysql_____ mysql_host = mysql_host #登录host mysql_port =mysql_port #登录port mysql_user = mysql_user #登录名 mysql_password = mysql_password #登录密码 mysql_db = mysql_db #数据库 sql = sql.encode('utf-8') #sql查询语句编码 #__email_____ sender = sender #发件人邮箱 receiver = ['453032441@qq.com'] #收件人邮箱，可以多个（列表形式）群发# username = username  #发件人姓名 password = password #smtp密码，qq是给你分配一串，163是自己设置 smtpserver = smtpserver #邮箱服务器 subject = "Hey,here's something interesting"  #邮件标题 e_content = '{0:^27}/n{1:^27}/n{2:^25}/n{3:^25}'.format('i','/ //','(-----)','(--------)') #邮件正文 #邮件正文 #__file_____ file_path = "D:/" #文件位置 file_name="shit.xls" #文件名 fLocate = file_path + file_name  #文件路径 file_subject='Gave', 'you', 'a', 'piece', 'of', 'shit.' #sheet标题 file_sheet='ok' #sheet名 style0=xlwt.XFStyle() style0.num_format_str='YYYY-MM-DD'#操作 if ((current_time.tm_hour == ehour) and (current_time.tm_min == emin) and (current_time.tm_sec == esec)):  print ("START")  results=eMysql(mysql_host,mysql_port,mysql_user,mysql_password,mysql_db,sql)  eWrite(fLocate, results, file_sheet, file_subject,style0)  eSend(sender, receiver, username, password, smtpserver, subject, e_content, file_path,file_name)  print(cur_time) time.sleep(1)