代码语言:txt 复制 class CustomException(Exception): def __init__(self, message): self.message = message def __str__(self): return self.message 在上述示例中,我们创建了一个名为CustomException的自定义异常类,该类继承自Exception类。我们在类中定义了一个构造函数__init__,用于接收异常消息,并将其...
4. 自定义异常 除了内置的异常类型，Python还允许您自定义异常，以便更好地满足特定需求。自定义异常通常是从`Exception`类继承而来的类。```python class MyCustomException(Exception):def __init__(self, message):super().__init__(message)try:raise MyCustomException("这是一个自定义异常")except MyCusto...
class CustomException(Exception): def __init__(self, message): self.message = message try: # 某些代码逻辑 raise CustomException("自定义异常信息") except CustomException as e: print("捕获到自定义异常:", e.message) 在这个示例中,CustomException是一个继承自Exception的自定义异常类。当raise语句被...
首先,我想教你如何定义一个自定义异常类。这通常是通过继承Exception类来实现的。 classMyCustomError(Exception):"""自定义异常类,用于显示自定义的错误信息"""def__init__(self,message):self.message=messagesuper().__init__(self.message) 1. 2. 3. 4. 5. class MyCustomError(Exception): 定义一个...
通过继承python的内置Exception异常类,我们创建类一个自定义的异常个CustomException class CustomException(Exception): def __init__(self, message: object): self.__message = message 在抛出异常时,我们抛出刚才自定义的异常 else: raise CustomException(f'expected at most 3 arguments, got {numargs}') 而...
classMyCustomException(Exception):def__init__(self,message,error_code):super().__init__(message)self.error_code=error_codedefdivide(x,y):try:ify==0:raiseMyCustomException("除数不能为0",1001)returnx/yexceptMyCustomExceptionase:print("Error Code:",e.error_code)print("Error Message:",e)...
Here, we have overridden the constructor of theExceptionclass to accept our own custom argumentssalaryandmessage. Then, the constructor of the parentExceptionclass is called manually with theself.messageargument usingsuper(). The customself.salaryattribute is defined to be used later. ...
message: return 'MyCustomError, {0} '.format(self.message) else: return 'MyCustomError has been raised' 在文件当前位置进入交互模式,执行如下操作: >>> from customexception import * >>> raise MyCustomError Traceback (most recent call last): File "<stdin>", line 1, in <module> calling ...
Multiple Exception Handling: Supports handling different types of exceptions with varying measures, enhancing program flexibility.自定义异常：可以根据具体需求创建自定义异常类，使异常处理更加精确和直观。Custom Exceptions: Allows creating custom exception classes based on specific needs, making exception handling...
Custom "异常类" "异常类" 继承自 Exception 类,可以直接继承,或者间接继承。 >>>classMyError(Exception):def__init__(self,value): self.value=value# 类 Exception 默认的 __init__() 被覆盖def__str__(self):returnrepr(self.value) --- >>>try:raiseMyError(2*2) exceptMyErroras e:print('...