defbid(self,bid_price):d=0.0try:d=float(bid_price)except Exceptionase:# 此处只是简单地打印异常信息print("转换出异常:",e)# 再次引发自定义异常 raiseAuctionException("竞拍价必须是数值,不能包含其他字符!")# raiseAuctionException(e)#异常包装ifsel
If the user-input credit is greater than the max credit, then raise the e_credit_too_high exception. Third, display a message and reraise the exception in the exception-handling section in the inner block. Finally, in the outer block, reassign the average credit to the l_credit variable ...
[in] lpArguments 参数数组。 此参数可以为 NULL。 这些参数可以包含需要传递给异常处理程序的筛选器表达式的任何应用程序定义数据。 返回值 此函数不返回值。 注解 RaiseException函数使进程能够使用结构化异常处理来处理软件生成的应用程序定义的专用异常。
1/demo/a.py", line 4, in <module> print(x[7]) IndexError: list index out of range During handling of the above exception, another exception occurred: Traceback (most recent call last): File "D:/demo/untitled1/demo/a.py", line 7, in <module> raise NameError("new exception ......
raise [异常[('异常说明')]] ， 捕获except的异常时，触发了另一个异常：raise的异常，两者无直接关系Duringhandlingoftheaboveexception, anotherexceptionoccurred:Traceback (mostrecentcalllast):File"<pyshell#18>", line1, in<module>testraise('梯阅线条',5)File"<pyshell#17>", line5, intestraise...
try{ statements }try{ special statements }exceptonESomethingdobegin{ handling for only the special statements }//在这里可以写自己的处理程序,处理后重新引发这个异常;raise;{ reraise the exception }//未销毁前,再次引发end;end;exceptonESomethingdo...;{ handling you want in all cases }end; ...
1. Quick Examples of Manually Raising or Throwing Exception The following examples will provide you with a high-level overview of how to manually raise different types of exceptions in Python. For each example, we will define a function that accepts one or more arguments, and then use theraise...
In the above syntax, we use exception handling to handle all types of exceptions. Here we first used the declare section, an optional part of this syntax. After that, we use the execution section, and inside the execution section, we write the WHEN condition to handle the exception. For ...
Raise exception You can manually throw (raise) an exception in Python with the keywordraise. This is usually done for the purpose of error-checking. Consider the following example: try: raise ValueError except ValueError: print('There was an exception.')...
The statementRAISE EXCEPTIONmust not be used in a method or function module in whose interfacenon-class-basedexceptions are declared. Furthermore, it does not allow simultaneous use of the statementCATCH SYSTEM-EXCEPTIONSfor the obsolete handling ofcatchable runtime errorsorRAISEorMESSAGE RAISINGfor r...