文件归档NSKeyedArchiver操作方法整理

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//**************************文件归档****************************

//方法1:

NSData *data = [NSKeyedArchiver archivedDataWithRootObject:@"hello world"];

bool ret = [data writeToFile:@"/Users/qianfeng/Desktop/d5/d2/oc5_文件归档/111.plist" atomically:YES];

if (ret) {

NSLog(@"文件归档成功");

}else{

NSLog(@"文件归档失败");

}

//方法2:

NSArray *arr1 = @[@"hello",@"world",@"feng"];

bool ret1 = [NSKeyedArchiver archiveRootObject:arr1 toFile:@"/Users/qianfeng/Desktop/d5/d2/oc5_文件归档/222.plist"];

if (ret1) {

NSLog(@"文件归档成功");

}else{

NSLog(@"文件归档失败");

}

//*****************************文件解档********************************

//+ (id)unarchiveObjectWithData:(NSData *)data;

//+ (id)unarchiveObjectWithFile:(NSString *)path;

//方法1

NSKeyedUnarchiver *obj = [NSKeyedUnarchiver unarchiveObjectWithFile:@"/Users/qianfeng/Desktop/d5/d2/oc5_文件归档/222.plist" ];

NSLog(@"%@“,obj);

//方法2:

NSData *data3 = [NSData dataWithContentsOfFile:@"/Users/qianfeng/Desktop/d5/d2/oc5_文件归档/222.plist”];

NSKeyedUnarchiver *obj = [NSKeyedUnarchiver unarchiveObjectWithData:data3];

NSLog(@"%@",obj);

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