将通讯录类（姓名、电话），添加归档和解归档方法，即，添加储存信息到磁盘的方法。

/*1.将通讯录类（姓名、电话），添加归档和解归档方法，即，添加储存信息到磁盘的方法。*/

#import <Foundation/Foundation.h>
#import "ConTact.h"
#define PATH @"/Users/qianfeng/Desktop/hehe/2.plist"

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        ConTact *contact = [[ConTact alloc] init];
        contact.name = @"xiaowang";
        contact.tel = @"135";
        
        //创建可变二进制文件
        NSMutableData *mdata = [[NSMutableData alloc] init];
        //创建归档对象
        NSKeyedArchiver *keyarchiver = [[NSKeyedArchiver alloc]initForWritingWithMutableData:mdata];
        //归档对象
        [keyarchiver encodeObject:contact forKey:@"name"];
        //完成归档
        [keyarchiver finishEncoding];
        //写入文件
        [mdata writeToFile:PATH atomically:YES];
        printf("............................................\n");
        //读取二进制文件
        NSData *data = [[NSData alloc] initWithContentsOfFile:PATH];
        //创建解归档对象
        NSKeyedUnarchiver *keyunarchiver = [[NSKeyedUnarchiver alloc] initForReadingWithData:data];
        //解归档
        ConTact *c = [keyunarchiver decodeObjectForKey:@"name"];
        
        //解除归档
        [keyunarchiver finishDecoding];
        NSLog(@"%@,%@",c.name,c.tel);
        
        
    }
    return 0;
}