#import "ViewController.h"
#include <objc/runtime.h>
@interface Fruit :NSObject
@property (nonatomic , copy) NSString *name ;
@property (nonatomic , assign) CGFloat price ;
@property (nonatomic , strong) NSString *source ;
@end
@implementation Fruit
@end
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
Fruit *fruit = [[Fruit alloc] init] ;
fruit.name = @"呵呵~" ;
fruit.price = 1.5 ;
unsigned int count = 0 ;
objc_property_t *properties = class_copyPropertyList(NSClassFromString(@"Fruit"), &count) ;
for (NSUInteger i = 0; i < count; ++i) {
//拿到所有的属性:
objc_property_t property = properties[i] ;
//拿到所有的属性的名字:
const char * cName = property_getName(property) ;
//Cstring转OCString:
NSString *ocName = [NSString stringWithUTF8String:cName] ;
NSLog(@"property name = %@ , --> %@" , ocName , [fruit valueForKey:@"price"]) ;
NSLog(@"%@" , @(count)) ;
}
free(properties) ;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
愿编程让这个世界更美好
