遍历控件属性

        u_int count;        objc_property_t *properties =class_copyPropertyList([UIview class], &count);        NSMutableArray *propertiesArray = [NSMutableArray arrayWithCapacity:count];        for (int i = 0; i<count; i++)        {            const char* propertyName =property_getName(properties[i]);            NSLog(@"属性%@\n",[NSString stringWithUTF8String: propertyName]);            [propertiesArray addObject: [NSString stringWithUTF8String: propertyName]];        }