NSString*methodName = @“methodName”;
? ? SEL?normalSelector =NSSelectorFromString(methodName);
? ? if([self?respondsToSelector:normalSelector]) {
? ? ? ? ((void(*)(id,SEL))objc_msgSend)(self, normalSelector);
? ? }
NSString*methodName = @“methodName”;
? ? SEL?normalSelector =NSSelectorFromString(methodName);
? ? if([self?respondsToSelector:normalSelector]) {
? ? ? ? ((void(*)(id,SEL))objc_msgSend)(self, normalSelector);
? ? }