def add_pic(self, pic_path):
f = open(pic_path, 'rb')
pic = MIMEImage(f.read())
f.close()
# 加上必要的头信息:
filename = os.path.split(pic_path)[-1]
pic.add_header('Content-Disposition', 'attachment', filename=(self.charset, '', filename))
pic.add_header('Content-ID', '<%s>' % filename)
pic.add_header('X-Attachment-Id', '%s' % filename)
pic.set_charset(self.charset)
self.message.attach(pic)
