//获取当前目录 - (NSString *)currentDirectoryPath //更改当前目录 - (BOOL)changeCurrentDirectoryPath:(NSString *)path //复制目录或文件 - (BOOL)copyItemAtPath:(NSString *)srcPath toPath:(NSString *)dstPath error:(NSError **)error //创建一个新的目录 - (BOOL)createDirectoryAtPath:(NSString *)path withIntermediateDirectories:(BOOL)createIntermediates attributes:(NSDictionary *)attributes error:(NSError **)error //测试文件是不是目录 - (BOOL)fileExistsAtPath:(NSString *)path isDirectory:(BOOL *)isDirectory //列出目录下的内容(不会递归) - (NSArray *)contentsOfDirectoryAtPath:(NSString *)path error:(NSError **)error //枚举目录内容(会递归) - (NSDirectoryEnumerator *)enumeratorAtPath:(NSString *)path //删除一个文件,文件夹,链接 - (BOOL)removeItemAtPath:(NSString *)path error:(NSError **)error //移动(重命名)目录到一个指定的路径 - (BOOL)moveItemAtPath:(NSString *)srcPath toPath:(NSString *)dstPath error:(NSError **)error
//操作目录 NSFileManager *fm = [[NSFileManager alloc]init]; NSString *dirName = @"testdir"; NSString *path = [fm currentDirectoryPath]; //获取当前目录路径. //新建目录 if ([fm createDirectoryAtPath:dirName withIntermediateDirectories:YES attributes:nil error:NULL] == NO) { NSLog(@"Couldn't create dir"); } //重命名目录 if ([fm moveItemAtPath:dirName toPath:@"newdir" error:NULL] == NO) { NSLog(@"Directory rename failed"); } //修改路径到新目录 if ([fm changeCurrentDirectoryPath:@"newdir"] == NO) { NSLog(@"change directory failed"); } //返回当前路径 path = [fm currentDirectoryPath]; NSLog(@"Current directory path is %@",path); //删除目录 if ([fm removeItemAtPath:path error:NULL] == NO) { NSLog(@"remove directory failed"); }
//枚举目录中的内容 NSArray *dirArray; NSFileManager *fm = [[NSFileManager alloc]init]; NSString *dirPath = [fm currentDirectoryPath]; //当前目录 NSDirectoryEnumerator *dirEnum = [fm enumeratorAtPath:dirPath]; //开始枚举过程,将其存入dirEnum中. //向dirEnum发送nextObject消息,返回下一个文件路径,当没有可供枚举时,返回nil. //enumeratorAtPath:方法会递归打印. NSString *file; while ((file = [dirEnum nextObject])) { if ([[file pathExtension] isEqualToString: @"doc"]){ //找出目录下面所有的doc文件 NSString *fullPath = [dirPath stringByAppendingPathComponent:file]; NSLog(@"%@",fullPath); } } dirArray = [fm contentsOfDirectoryAtPath:[fm currentDirectoryPath] error:NULL]; NSLog(@"内容为:"); //使用contentsOfDirectoryAtPath:方法枚举当前路径中的文件并存入数组dirArray. for (NSString *path in dirArray){ //快速枚举数组中的内容并打印. NSLog(@"%@",path); }
NSFileManager *fm = [[NSFileManager alloc]init]; NSString *fName = @"path.m"; NSString *upath = @"~s0s0/123/xxx/../321/./path.m"; NSString *path, *tempdir, *extension, *homedir, *fullpath; NSArray *components; fm = [[NSFileManager alloc]init]; //NSTemporaryDirectory()函数返回可以用来创建临时文件的目录路径名,如果要创建文件,完成任务后要删除;确保文件名是唯一的. tempdir = NSTemporaryDirectory(); NSLog(@"临时文件夹路径为:%@",tempdir); path = [fm currentDirectoryPath]; //返回当前目录路径 //lastPathComponent方法用与提取路径中最后一个目录名. NSLog(@"父目录名: %@",[path lastPathComponent]); //stringByAppendingPathComponent:方法将文件名插入到路径的末尾,这样就能显示一个文件的完整路径. fullpath = [path stringByAppendingPathComponent:fName]; NSLog(@"完整路径为:%@ to %@",fName,fullpath); //pathExtension方法返回一个完整路径中的文件扩展名,如果没有扩展名,就返回空字符. extension = [fullpath pathExtension]; NSLog(@"extension for %@ is %@ ",fullpath, extension); //NSHomeDirectory()函数返回当前用户的主目录 //NSHomeDirectoryForUser(username)函数可以提供用户名做参数,并返回主目录名 homedir = NSHomeDirectory(); NSLog(@"主目录为 : %@",homedir); //pathComponents方法返回一个数组,数组中包含一个路径中的每个组成部分. components = [homedir pathComponents]; for (path in components){ NSLog(@"%@",path); //依次输出数组components中保存的元素. } //stringByStandardizingPath方法将原路径中的代字符转化为完整路径. //如果是路径名字中出现代字符,可以使用stringByExpandingTildeInPath方法. NSLog(@"%@ -> %@",upath, [upath stringByStandardizingPath]);