iOS利用运行时遍历model所欲属性

##import <objc/runtime.h>

@implementation NSObject (PropertyListing)

/* 获取对象的所有属性 */

• (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;
  }

/* 获取对象的所有方法 */

-(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：%@,参数个数：%d,编码方式：%@”,[NSString stringWithUTF8String:name_s],
arguments,
[NSString stringWithUTF8String:encoding]);
}
free(mothList_f);
}

@end