Object C 几个知识点
判断是否是某个类的实例 isMemberOfClass
main{
Teacher *teacher = [[Teacher alloc] init];
if ([teacher isMemberOfClass:[Teacher class]]) {
NSLog(@"teacher Teacher类的实例");
}
}判断是否是某个类或者子类的实例 isKindOfClass
main{
Teacher *teacher = [[Teacher alloc] init];
if ([teacher isMemberOfClass:[Person class]]) {
NSLog(@"teacher Teacher类的实例");
}
}