demo：

HDYUserInfo.h

#import <Foundation/Foundation.h>

@interface HDYUserInfo :NSObject<NSCoding>

@property(nonatomic,copy)NSString*UserAccessToken;

@property(nonatomic,copy)NSString*UserAccessSecret;

@property(nonatomic,assign)NSIntegerUserId;

@property(nonatomic,copy)NSString*UserName;

@property(nonatomic,copy)NSString*NickName;

@property(nonatomic,copy)NSString*HeadPortraitUrl;

@property(nonatomic,copy)NSString*Signature;

@property(nonatomic,copy)NSString*BlackgroundPic;

@property(nonatomic,assign)NSIntegerisVerification;

@property(nonatomic,assign)NSIntegerisReplyJoin;

@property(nonatomic,assign)NSIntegerisSearch;

@property(nonatomic,copy)NSString*Language;

@property(nonatomic,assign)NSIntegerFontSizeValue;

@property(nonatomic,assign)NSIntegerisRecommand;

@property(nonatomic,assign)NSIntegersex;

//新消息提醒

@property(nonatomic,assign)NSIntegerisVoice;

@property(nonatomic,assign)NSIntegerisVibrate;

@property(nonatomic,assign)NSIntegerisMessage;

//隐私

@property(nonatomic,assign)NSIntegerisSearchNumber;

@property(nonatomic,assign)NSIntegerisAddFriends;

@property(nonatomic,assign)NSIntegerisContact;

@end

------------------------------------------------------------

HDYUserInfo.m

#import"HDYUserInfo.h"

@implementationHDYUserInfo

- (void)encodeWithCoder:(NSCoder*)aCoder

{

unsigned int count =0;

Ivar*ivars =class_copyIvarList([HDYUserInfo class], &count);

for(inti =0; i < count; i ++) {

//取出i位置对应的成员变量

Ivar ivar = ivars[i];

//查看成员变量

constchar*name =ivar_getName(ivar);

//归档

NSString*key = [NSString stringWithUTF8String:name];

id value = [self valueForKey:key];

[aCoder encodeObject:value forKey:key];

}

//释放内存

free(ivars);

}

- (id)initWithCoder:(NSCoder*)aDecoder

{

if(self= [super init])

{

unsigned int count =0;

Ivar*ivars =class_copyIvarList([HDYUserInfo class], &count);

for(inti =0; i < count; i ++) {

//取出i位置对应的成员变量

Ivar ivar = ivars[i];

//查看成员变量

constchar*name =ivar_getName(ivar);

//归档

NSString*key = [NSString stringWithUTF8String:name];

id value = [aDecoder decodeObjectForKey:key];

//设置到成员变量身上

[self setValue:value forKey:key];

}

free(ivars);

}

returnself;

}

@end

----------------------------邪恶的分界线--------------------------------

PS：

      都说给10K以下就一个一个写，给10~15K用for循环，给15K以上用runtime。。。哈哈，也就那么一说，工作还是要认真的对待，即使你现在拿着一个一个写的工资却干着Runtime的活儿，相信我最终受益的还是你！