Python自定义异常及抛出异常

 1 """
 2     自定义异常
 3 """
 4 class MyException(Exception): # 继承异常类
 5     def __init__(self, name, reason):
 6         self.name = name
 7         self.reason = reason
 8     
 9 from datetime import datetime
10 try:
11     if str(datetime.now()) > "2018":
12         raise MyException("TimeoutException", "time is overtime...")
13 except MyException as e:
14     print(e.name +":"+e.reason)
15     
16 """
17     抛出异常
18 """        
19 try:
20     6/0
21     raise
22 except Exception as e:
23     print(e)