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Objective-C 学习笔记9 使用NSKeyedArchiver 归档

2013-01-26 09:28 246 查看
还是上一篇的例子



//
//  main.m
//  sample005
//
//  Created by echoliu on 13-1-25.
//  Copyright (c) 2013年 echoliu. All rights reserved.
//

#import <Foundation/Foundation.h>

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

@autoreleasepool {

NSDictionary *glossary=[NSDictionary dictionaryWithObjectsAndKeys:@"a class",@"a",
@"b class",@"b",
@"c class",@"c",nil];
if ([NSKeyedArchiver archiveRootObject:glossary toFile: @"lossay.archiver"]==NO) {
NSLog(@"save to file failed");
}

}
return 0;
}




//
//  main.m
//  sample005
//
//  Created by echoliu on 13-1-25.
//  Copyright (c) 2013年 echoliu. All rights reserved.
//

#import <Foundation/Foundation.h>

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

@autoreleasepool {

// insert code here...
//NSLog(@"Hello, World!");
/*
NSDictionary *glossary=[NSDictionary dictionaryWithObjectsAndKeys:@"a class",@"a",
@"b class",@"b",
@"c class",@"c",nil];
if([glossary writeToFile:@"glossary" atomically:YES]==NO)
NSLog(@"save to file failed");
*/
/*
NSDictionary *glossary ;
glossary=[NSDictionary dictionaryWithContentsOfFile:@"glossary"];
for (NSString *str in glossary){
NSLog(@"%@ %@ ",str,[glossary objectForKey:str]);
}
*/

/*
NSDictionary *glossary=[NSDictionary dictionaryWithObjectsAndKeys:@"a class",@"a",
@"b class",@"b",
@"c class",@"c",nil];
if ([NSKeyedArchiver archiveRootObject:glossary toFile: @"lossay.archiver"]==NO) {
NSLog(@"save to file failed");
} */

NSDictionary *glossary ;
glossary=[NSKeyedUnarchiver unarchiveObjectWithFile:@"lossay.archiver"];
for (NSString *str in glossary){
NSLog(@"%@ %@ ",str,[glossary objectForKey:str]);
}

}
return 0;
}


实例来源教材
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