iOS移动和删除文件

来源：互联网发布：朱文臣的网络与编辑：程序博客网时间：2024/06/04 19:54
- (void)viewDidLoad {    [super viewDidLoad];    NSString *documentsPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject];    NSString *libraryPath = [NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES) lastObject];    NSFileManager *fileMgr = [NSFileManager defaultManager];      NSError *error = nil;    //删除test02里的文件    NSString *dirPath = [documentsPath stringByAppendingPathComponent:@"test02"];    for(int j = 0; j < 5; j++)    {        NSString *filePath = [dirPath stringByAppendingPathComponent:[NSString stringWithFormat:@"test%02d.txt",j+1]];        [fileMgr removeItemAtPath:filePath error:&error];    }    //将document/test01移动到library/Cache    NSString *sourcePath = [documentsPath stringByAppendingPathComponent:@"test01"];    NSString *targetPath = [libraryPath stringByAppendingPathComponent:@"Caches/test01"];    [fileMgr moveItemAtPath:sourcePath toPath:targetPath error:&error];//创建两个文件夹和5个文件    for(int i = 0; i < 2; i++)    {    NSString *DirPath = [documentsPath stringByAppendingPathComponent:[NSString stringWithFormat:@"test%02d",i+1]];        NSError *error = nil;        [fileMgr createDirectoryAtPath:DirPath withIntermediateDirectories:YES attributes:nil  error:&error];        for(int j = 0; j < 5; j++)        {          NSString *filePath = [DirPath stringByAppendingPathComponent:[NSString stringWithFormat:@"test%02d.txt",j+1]];            NSString *fileContent = [NSString stringWithFormat:@"this number of file is %02d",j+1];            [fileMgr createFileAtPath:filePath contents:[fileContent dataUsingEncoding:NSUTF8StringEncoding] attributes:nil];        }    }}
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