#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
本文将介绍如何使用Objective-C的objc_runtime.h库来获取一个对象的所有属性和方法,包括通过class_copyPropertyList和class_copyMethodList函数进行属性和方法的查找,并通过遍历这些列表来获取具体信息。
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