Python----面向对象---自定义异常类型

 1 class MyException(BaseException):
 2     def __init__(self, msg):
 3         super(MyException, self).__init__()
 4         self.msg = msg
 5 
 6     def __str__(self):
 7         return ‘<%s>‘ % self.msg
 8 
 9 
10 raise MyException(‘我自己的异常类型‘)
11 
12 结果为：
13 
14 Traceback (most recent call last):
15   File "C:/Users/xu516/PycharmProjects/Python全栈开发/第三模块/面向对象编程/33 try...except详细用法.py", line 84, in <module>
16     raise MyException(‘我自己的异常类型‘)
17 __main__.MyException: <我自己的异常类型>