IOS遍曆未知對象屬性、函數

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轉：http://blog.csdn.net/chaoyuan899/article/details/24399761

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#import <objc/runtime.h>             @implementation NSObject (PropertyListing)          /* 擷取對象的所有屬性 */   - (NSDictionary *)properties_aps   {       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;     }          /* 擷取對象的所有方法 */        -(void)printMothList   {      unsigned int mothCout_f =0;      Method* mothList_f = class_copyMethodList([self class],&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：%@,參數個數：%d,編碼方式：%@",[NSString stringWithUTF8String:name_s],                                               arguments,                               [NSString stringWithUTF8String:encoding]);       }      free(mothList_f);   }           @end