OC利用运行时打印对象的属性和方法

转载自出处

注意：class_copyPropertyList返回的仅仅是对象类的属性(@property声明的属性)，而class_copyIvarList返回类的所有属性和变量(包括在@interface大括号中声明的变量)

可以另建一个NSObject的分类把这些方法写在分类里面,以后需要的话直接把文件拖进项目里就可以直接使用了

#import <objc/runtime.h>

@implementation NSObject (XXOOProperty)

/* 获取对象的所有属性和属性内容 */
- (NSDictionary *)getAllPropertiesAndVaules
{
    NSMutableDictionary *props = [NSMutableDictionary dictionary];
    unsigned int outCount, i;
    objc_property_t *properties =class_copyPropertyList([self class], &outCount);
    for (i = 0; i<outCount; i++)
    {
        objc_property_t property = properties[i];
        const char* char_f =property_getName(property);
        NSString *propertyName = [NSString stringWithUTF8String:char_f];
        id propertyValue = [self valueForKey:(NSString *)propertyName];
        if (propertyValue) [props setObject:propertyValue forKey:propertyName];
    }
    free(properties);
    return props;
}
/* 获取对象的所有属性 */
- (NSArray *)getAllProperties
{
    u_int count;

    objc_property_t *properties  =class_copyPropertyList([self class], &count);

    NSMutableArray *propertiesArray = [NSMutableArray arrayWithCapacity:count];

    for (int i = 0; i < count ; i++)
    {
        const char* propertyName =property_getName(properties[i]);
        [propertiesArray addObject: [NSString stringWithUTF8String: propertyName]];
    }

    free(properties);

    return propertiesArray;
}
/* 获取对象的所有方法 */
-(void)getAllMethods
{
    unsigned int mothCout_f =0;
    Method* mothList_f = class_copyMethodList([selfclass],&mothCout_f);
    for(int i=0;i<mothCout_f;i++)
    {
        Method temp_f = mothList_f[i];
        IMP imp_f = method_getImplementation(temp_f);
        SEL name_f = method_getName(temp_f);
        const char* name_s =sel_getName(method_getName(temp_f));
        int arguments = method_getNumberOfArguments(temp_f);
        const char* encoding =method_getTypeEncoding(temp_f);
        NSLog(@"方法名：%@,参数个数：%d,编码方式：%@",[NSString stringWithUTF8String:name_s],
              arguments,
              [NSString stringWithUTF8String:encoding]);
    }
    free(mothList_f);
}


@end