用smtplib和email封装python发送邮件模块类分享

#!/usr/bin/python
# encoding=utf-8
# filename: send_email.py
from email.mime.image import mimeimage
from email.mime.multipart import mimemultipart
from email.mime.text import mimetext 
import smtplib 

class sendemail:
    # 构造函数：初始化基本信息
    def __init__(self, host, user, passwd):
        linfo = user.split("@")
        self._user = user
        self._account = linfo[0]
        self._me = self._account + "<" + self._user + ">"

        server = smtplib.smtp() 
        server.connect(host) 
        server.login(self._account, passwd)
        self._server = server     

    # 发送文件或html邮件   
    def sendtxtmail(self, to_list, sub, content, subtype='html'):   
        # 如果发送的是文本邮件，则_subtype设置为plain
        # 如果发送的是html邮件，则_subtype设置为html
        msg = mimetext(content, _subtype=subtype, _charset='utf-8') 
        msg['subject'] = sub 
        msg['from'] = self._me 
        msg['to'] = ";".join(to_list) 
        try:
            self._server.sendmail(self._me, to_list, msg.as_string())  
            return true 
        except exception, e: 
            print str(e) 
            return false

    # 发送带附件的文件或html邮件      
    def sendattachmail(self, to_list, sub, content, subtype='html'):
        # 创建一个带附件的实例
        msg = mimemultipart() 
        # 增加附件1
        att1 = mimetext(open(r'd:\javawork\pytest\src\main.py','rb').read(), 'base64', 'utf-8')
        att1["content-type"] = 'application/octet-stream'
        # 这里的filename可以任意写，写什么名字，邮件中显示什么名字
        att1["content-disposition"] = 'attachment; filename="main.py"'
        msg.attach(att1)

        # 增加附件2
        att2 = mimetext(open(r'd:\javawork\pytest\src\main.py','rb').read(), 'base64', 'utf-8')
        att2["content-type"] = 'application/octet-stream'
        att2["content-disposition"] = 'attachment; filename="main.txt"'
        msg.attach(att2)

        # 增加邮件内容
        msg.attach(mimetext(content, _subtype=subtype, _charset='utf-8'))

        msg['subject'] = sub 
        msg['from'] = self._me
        msg['to'] = ";".join(to_list)

        try:
            self._server.sendmail(self._me, to_list, msg.as_string())  
            return true 
        except exception, e: 
            print str(e) 
            return false
     # 发送带附件的文件或html邮件      
    def sendimagemail(self, to_list, sub, content, subtype='html'):
        # 创建一个带附件的实例
        msg = mimemultipart()

        # 增加邮件内容
        msg.attach(mimetext(content, _subtype=subtype, _charset='utf-8'))

        # 增加图片附件
        image = mimeimage(open(r'd:\javawork\pytest\src\test.jpg','rb').read())
        #附件列表中显示的文件名
        image.add_header('content-disposition', 'attachment;filename=p.jpg')    
        msg.attach(image) 

        msg['subject'] = sub 
        msg['from'] = self._me
        msg['to'] = ";".join(to_list)

        try:
            self._server.sendmail(self._me, to_list, msg.as_string())  
            return true 
        except exception, e: 
            print str(e) 
            return false

    # 析构函数：释放资源 
    def __del__(self):
        self._server.quit()
        self._server.close()

mailto_list = ['[e-mail]']
mail = sendemail('smtp.163.com', '[e-mail]', 'xxxxxx')
if mail.sendtxtmail(mailto_list, "测试邮件", "hello world！<br><br><h1>你好，发送文本文件测试<h1>"): 
    print "发送成功" 
else: 
    print "发送失败"

if mail.sendattachmail(mailto_list, "测试邮件-带两个附件", "hello world！<br><br><h1>你好，发送文本文件测试<h1>"): 
    print "发送成功" 
else: 
    print "发送失败"

if mail.sendimagemail(mailto_list, "测试邮件-带一个图片的附件", "hello world！<br><br><h1>你好，发送文本文件测试<h1>"): 
    print "发送成功" 
else: 
    print "发送失败"