系统异常 NSException.h

FOUNDATION_EXPORT NSExceptionName const NSGenericException;

FOUNDATION_EXPORT NSExceptionName const NSRangeException;

FOUNDATION_EXPORT NSExceptionName const NSInvalidArgumentException;

FOUNDATION_EXPORT NSExceptionName const NSInternalInconsistencyException;

FOUNDATION_EXPORT NSExceptionName const NSMallocException;

FOUNDATION_EXPORT NSExceptionName const NSObjectInaccessibleException;

FOUNDATION_EXPORT NSExceptionName const NSObjectNotAvailableException;

FOUNDATION_EXPORT NSExceptionName const NSDestinationInvalidException;

FOUNDATION_EXPORT NSExceptionName const NSPortTimeoutException;

FOUNDATION_EXPORT NSExceptionName const NSInvalidSendPortException;

FOUNDATION_EXPORT NSExceptionName const NSInvalidReceivePortException;

FOUNDATION_EXPORT NSExceptionName const NSPortSendException;

FOUNDATION_EXPORT NSExceptionName const NSPortReceiveException;

FOUNDATION_EXPORT NSExceptionName const NSOldStyleException;

@try{

NSArray *tp = @[@"aaa"];

[tp objectAtIndex:1];

}

@catch(NSException *exception){

NSLog(@"eeee");

}