发送邮件Sendmail

1. def sendmail(xx,conntent):
2. try:
3. import smtplib
4. from email.mime.text import MIMEText
5. from email.utils import formataddr
7. msg = MIMEText(conntent, 'plain', 'utf-8')
8. msg['From'] = formataddr(["谭付飞", 'tanfufei@aliyun.com'])
9. msg['To'] = formataddr(["vattss", 'tanfufei@163.com'])
10. msg['Subject'] = "主题"
12. server = smtplib.SMTP("smtp.aliyun.com", 25)
13. server.login("tanfufei@aliyun.com", "yellow1rose")
14. server.sendmail('tanfufei@aliyun.com', [xx, ], msg.as_string())
15. server.quit()
16. except:
17. return "失败"
18. else:
19. return "cc"
22. while True:
23. em=input("请输入邮件地址：")
24. co=input("请输入邮件内容：")
25. res=sendmail(em,co)
26. if res=="cc":
27. print("发送成功")
28. else:
29. print("发送失败")

简单的用户登陆和注册

1. def login(user,passwd):
2. '''
3. 用于用户登陆
4. :param user:用户名
5. :param passwd:密码
6. :return:
7. '''
8. f=open('db','r')
9. for line in f:
10. line_list=line.strip().split('|') #strip()移除空白和换行符
11. if line_list[0]==user and line_list[1]==passwd:
12. return True
13. return False
14. pass
17. def register(ruser,rpasswd):
18. '''
19. 用于用户注册
20. :param ruser: 用户名
21. :param rpasswd: 密码
22. :return:默认返回None
23. '''
24. f=open('db','a')
25. temp='\n'+ruser + '|' + rpasswd
26. f.write(temp)
27. f.close()
28. pass
31. def main():
32. res=input("[1]登陆 [2] 注册:")
33. if res=='1':
34. user=input("请输入用户名：")
35. passwd=input("请输入密码:")
36. r=login(user,passwd)
37. if r:
38. print("登陆成功")
39. else:
40. print("登陆失败")
41. elif res=='2':
42. ruser=input("请输入用户名：")
43. rpasswd=input("请输入密码:")
44. register(ruser,rpasswd)
45. pass
47. main()