objective-C学习 自定义对象归档 archiver2

#import <Foundation/Foundation.h>

#import "Person.h"

int main(int argc, const char * argv[]) {

    @autoreleasepool {

//        Person *person = [[Person alloc]init];

//        person.name = @"jack";

//        person.age = 20;

//        person.device = @[@"iphone",@"ipad"];

//        

//        NSString *path = [NSHomeDirectory() stringByAppendingPathComponent:@"person.archiver"];

//        BOOL success = [NSKeyedArchiver archiveRootObject:person toFile:path];

//        if (success) {

//            NSLog(@"archiver success");

//        }

//        [person release];

        

        NSString *path = [NSHomeDirectory() stringByAppendingPathComponent:@"person.archiver"];

        Person *person = [NSKeyedUnarchiver unarchiveObjectWithFile:path];

        NSLog(@"%@",person);

    }

    return 0;

}

#import <Foundation/Foundation.h>

@interface Person : NSObject<NSCoding>

@property (nonatomic,copy)NSString *name;

@property (nonatomic,assign)int age;

@property (nonatomic,copy)NSArray *device;

@end

#import "Person.h"

//定义宏，编辑时易发现错误

#define NAME @"name"

#define AGE @"age"

#define DEVICE @"device"

@implementation Person

//归档时调用

- (void)encodeWithCoder:(NSCoder *)aCoder{

    [aCoder encodeObject:_name forKey:NAME];

    [aCoder encodeInt:_age forKey:AGE];

    [aCoder encodeObject:_device forKey:DEVICE];

}

//解归档时调用

- (nullable instancetype)initWithCoder:(NSCoder *)aDecoder{

    self = [super init];

    if (self != nil) {

        self.name = [aDecoder decodeObjectForKey:NAME];

        _age = [aDecoder decodeIntForKey:AGE];

        self.device = [aDecoder decodeObjectForKey:DEVICE];

    }

    return self;

}

-(void)dealloc{

    [_name release];

    [_device release];

    [super dealloc];

}

-(NSString *)description {

    NSString *str = [NSString stringWithFormat:@"name = %@,age = %d,device = %@",_name,_age,_device];

    return str;

}

@end