這裡針對smtplib做了一系列封裝，可以完成以下四種場景：

• 傳送純文字的郵件
• 傳送html頁面的郵件
• 傳送帶附件檔案的郵件
• 傳送能展示圖片的郵件

　　以上四種場景，已經做好了二次封裝，經測試OK，使用時直接傳入對應引數即可，直接上程式碼

import smtplib
from email.mime.text import MIMEText
from email.mime.image import MIMEImage
from email.mime.application import MIMEApplication
from email.mime.multipart import MIMEMultipart


class SendEMail(object):
  """封裝傳送郵件類"""

  def __init__(self,host,port,msg_from,pwd):

    self.msg_from = msg_from
    self.password = pwd

    # 郵箱伺服器地址和埠
    self.smtp_s = smtplib.SMTP_SSL(host=host,port=port)

    # 傳送方郵箱賬號和授權碼
    self.smtp_s.login(user=msg_from,password=pwd)

  def send_text(self,to_user,content,subject,content_type='plain'):
    """
    傳送文字郵件
    :param to_user: 對方郵箱
    :param content: 郵件正文
    :param subject: 郵件主題
    :param content_type: 內容格式：'plain' or 'html'
    :return:
    """
    msg = MIMEText(content,_subtype=content_type,_charset="utf8")

    msg["From"] = self.msg_from
    msg["To"] = to_user
    msg["subject"] = subject

    self.smtp_s.send_message(msg,from_addr=self.msg_from,to_addrs=to_user)

  def send_file(self,reports_path,filename,content_type='plain'):
    """
    傳送帶檔案的郵件
    :param to_user: 對方郵箱
    :param content: 郵件正文
    :param subject: 郵件主題
    :param reports_path: 檔案路徑
    :param filename: 郵件中顯示的檔名稱
    :param content_type: 內容格式
    """

    file_content = open(reports_path,"rb").read()

    msg = MIMEMultipart()

    text_msg = MIMEText(content,_charset="utf8")
    msg.attach(text_msg)

    file_msg = MIMEApplication(file_content)
    file_msg.add_header('content-disposition','attachment',filename=filename)
    msg.attach(file_msg)

    msg["From"] = self.msg_from
    msg["To"] = to_user
    msg["subject"] = subject

    self.smtp_s.send_message(msg,to_addrs=to_user)

  def send_img(self,content_type='html'):
    '''
    傳送帶圖片的郵件
    :param to_user: 對方郵箱
    :param subject: 郵件主題
    :param content: 郵件正文
    :param filename: 圖片路徑
    :param content_type: 內容格式
    '''
    subject = subject
    msg = MIMEMultipart('related')
    # Html正文必須包含<img src="cid:imageid" alt="imageid" width="100%" height="100%>
    content = MIMEText(content,_charset="utf8")
    msg.attach(content)
    msg['Subject'] = subject
    msg['From'] = self.msg_from
    msg['To'] = to_user

    with open(filename,"rb") as file:
      img_data = file.read()

    img = MIMEImage(img_data)
    img.add_header('Content-ID','imageid')
    msg.attach(img)

    self.smtp_s.sendmail(self.msg_from,msg.as_string())

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