ios基礎之歸檔和解檔

有些api函數已經不在支持了但是我先把之前的api學好，再學后來新出的api函數
系統選取最新的，ios系統也是最新的

// // Teacher.h // 22-歸檔解檔 // // Created by 魯軍 on 2021/2/14. //#import <Foundation/Foundation.h>NS_ASSUME_NONNULL_BEGIN@interface Teacher : NSObject <NSCoding>@property(nonatomic,copy)NSString *name; @property(nonatomic,assign)int age;@endNS_ASSUME_NONNULL_END // // Teacher.m // 22-歸檔解檔 // // Created by 魯軍 on 2021/2/14. //#import "Teacher.h"@implementation Teacher- (void)encodeWithCoder:(NSCoder *)coder {[coder encodeObject:_name forKey:@"name"];[coder encodeInt:_age forKey:@"age"];}- (instancetype)initWithCoder:(NSCoder *)coder {self = [super init];if (self) {_name = [coder decodeObjectForKey:@"name"];_age = [coder decodeIntForKey:@"age"];}return self; }@end // // ViewController.m // 22-歸檔解檔 // // Created by 魯軍 on 2021/2/14. //#import "ViewController.h" #import "Teacher.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad {[super viewDidLoad];// Do any additional setup after loading the view.[self readData];} -(void)writeData{Teacher *t =[[Teacher alloc] init];t.name=@"dajun";t.age=18;NSString *strTemp =NSTemporaryDirectory();NSString *filePath = [strTemp stringByAppendingPathComponent:@"te.data"];//歸檔[NSKeyedArchiver archiveRootObject:t toFile:filePath];NSLog(@"%@",NSHomeDirectory()); }-(void)readData{NSString *strTemp =NSTemporaryDirectory();NSString *filePath = [strTemp stringByAppendingPathComponent:@"te.data"];//NSKeyedUnarchiver unarchivedObjectWithFile:filePathTeacher *t = [NSKeyedUnarchiver unarchiveObjectWithFile:filePath];NSLog(@"%@====%d",t.name,t.age);}@end

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