python发送邮件及附件

import datetime
import os

import xlsxwriter
import smtplib
from os.path import basename
from email.mime.application import MIMEApplication
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.utils import formatdate


def write_data_to_excel(file_name, data):
    wbk = xlsxwriter.Workbook(file_name)
    sheet_name = 'sheet1'
    sheet = wbk.add_worksheet(sheet_name)
    header = [u'a', u'b', u'c', u'd', u'e', u'f', u'g']
    h = 0
    for each_header in header:
        sheet.write(0, h, each_header)
        h += 1

    for i in range(len(data)):
        for j in range(len(data[i])):
            if j == 0:
                sheet.write(i + 1, j, u'%s' % data[i]['a'])
            if j == 1:
                sheet.write(i + 1, j, u'%s' % data[i]['b'])
            if j == 2:
                sheet.write(i + 1, j, u'%s' % data[i]['c'])
            if j == 3:
                sheet.write(i + 1, j, u'%s' % data[i]['d'])
            if j == 4:
                sheet.write(i + 1, j, u'%s' % data[i]['e'])
            if j == 5:
                sheet.write(i + 1, j, u'%s' % data[i]['f'])
            if j == 6:
                sheet.write(i + 1, j, u'%s' % data[i]['g'])

    wbk.close()


def send_email(file_name):
    msg = MIMEMultipart()
    msg['From'] = "[email protected]"
    msg['To'] = "[email protected]"
    msg['Date'] = formatdate(localtime=True)
    msg['Subject'] = "Test email with attachment"
    text = "Test text"

    msg.attach(MIMEText(text))

    with open(file_name, "rb") as fil:
        part = MIMEApplication(
            fil.read(),
            Name=basename(file_name)
        )
    part['Content-Disposition'] = 'attachment; filename="%s"' % basename(file_name)
    msg.attach(part)

    smtp = smtplib.SMTP('xxx_server')
    smtp.sendmail("[email protected]", "[email protected]", msg.as_string())
    smtp.close()


if __name__ == '__main__':
    from_date_str = '2018-01-10 00:00:00'
    to_date_str = '2018-01-15 00:00:00'
    today_date = datetime.datetime.now().strftime('%Y%m%d')
    file_name = 'prefix-' + str(today_date) + '.xlsx'
    data = get_export_data(from_date_str, to_date_str)
    write_data_to_excel(file_name, data)
    send_email(file_name)
    os.remove(file_name)

参考：https://blog.csdn.net/kangkangwanwan/article/details/84778984