获取应用沙盒根路径:
- -(void)dirHome{
- NSString *dirHome=NSHomeDirectory();
- NSLog(@"app_home: %@",dirHome);
- }
获取Documents目录路径:
- //获取Documents目录
- -(NSString *)dirDoc{
- //[NSHomeDirectory() stringByAppendingPathComponent:@"Documents"];
- NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
- NSString *documentsDirectory = [paths objectAtIndex:0];
- NSLog(@"app_home_doc: %@",documentsDirectory);
- return documentsDirectory;
- }
获取Library目录路径:
- //获取Library目录
- -(void)dirLib{
- //[NSHomeDirectory() stringByAppendingPathComponent:@"Library"];
- NSArray *paths = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
- NSString *libraryDirectory = [paths objectAtIndex:0];
- NSLog(@"app_home_lib: %@",libraryDirectory);
- }
获取Cache目录路径:
- //获取Cache目录
- -(void)dirCache{
- NSArray *cacPath = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
- NSString *cachePath = [cacPath objectAtIndex:0];
- NSLog(@"app_home_lib_cache: %@",cachePath);
- }
获取Tmp目录路径:
- //获取Tmp目录
- -(void)dirTmp{
- //[NSHomeDirectory() stringByAppendingPathComponent:@"tmp"];
- NSString *tmpDirectory = NSTemporaryDirectory();
- NSLog(@"app_home_tmp: %@",tmpDirectory);
- }
创建文件夹:
- //创建文件夹
- -(void *)createDir{
- NSString *documentsPath =[self dirDoc];
- NSFileManager *fileManager = [NSFileManager defaultManager];
- NSString *testDirectory = [documentsPath stringByAppendingPathComponent:@"test"];
- // 创建目录
- BOOL res=[fileManager createDirectoryAtPath:testDirectory withIntermediateDirectories:YES attributes:nil error:nil];
- if (res) {
- NSLog(@"文件夹创建成功");
- }else
- NSLog(@"文件夹创建失败");
- }
创建文件
- //创建文件
- -(void *)createFile{
- NSString *documentsPath =[self dirDoc];
- NSString *testDirectory = [documentsPath stringByAppendingPathComponent:@"test"];
- NSFileManager *fileManager = [NSFileManager defaultManager];
- NSString *testPath = [testDirectory stringByAppendingPathComponent:@"test.txt"];
- BOOL res=[fileManager createFileAtPath:testPath contents:nil attributes:nil];
- if (res) {
- NSLog(@"文件创建成功: %@" ,testPath);
- }else
- NSLog(@"文件创建失败");
- }
写数据到文件:
- //写文件
- -(void)writeFile{
- NSString *documentsPath =[self dirDoc];
- NSString *testDirectory = [documentsPath stringByAppendingPathComponent:@"test"];
- NSString *testPath = [testDirectory stringByAppendingPathComponent:@"test.txt"];
- NSString *content=@"测试写入内容!";
- BOOL res=[content writeToFile:testPath atomically:YES encoding:NSUTF8StringEncoding error:nil];
- if (res) {
- NSLog(@"文件写入成功");
- }else
- NSLog(@"文件写入失败");
- }
读文件数据:
- //读文件
- -(void)readFile{
- NSString *documentsPath =[self dirDoc];
- NSString *testDirectory = [documentsPath stringByAppendingPathComponent:@"test"];
- NSString *testPath = [testDirectory stringByAppendingPathComponent:@"test.txt"];
- // NSData *data = [NSData dataWithContentsOfFile:testPath];
- // NSLog(@"文件读取成功: %@",[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]);
- NSString *content=[NSString stringWithContentsOfFile:testPath encoding:NSUTF8StringEncoding error:nil];
- NSLog(@"文件读取成功: %@",content);
- }
文件属性:
- //文件属性
- -(void)fileAttriutes{
- NSString *documentsPath =[self dirDoc];
- NSString *testDirectory = [documentsPath stringByAppendingPathComponent:@"test"];
- NSFileManager *fileManager = [NSFileManager defaultManager];
- NSString *testPath = [testDirectory stringByAppendingPathComponent:@"test.txt"];
- NSDictionary *fileAttributes = [fileManager attributesOfItemAtPath:testPath error:nil];
- NSArray *keys;
- id key, value;
- keys = [fileAttributes allKeys];
- int count = [keys count];
- for (int i = 0; i < count; i++)
- {
- key = [keys objectAtIndex: i];
- value = [fileAttributes objectForKey: key];
- NSLog (@"Key: %@ for value: %@", key, value);
- }
- }
删除文件:
- //删除文件
- -(void)deleteFile{
- NSString *documentsPath =[self dirDoc];
- NSString *testDirectory = [documentsPath stringByAppendingPathComponent:@"test"];
- NSFileManager *fileManager = [NSFileManager defaultManager];
- NSString *testPath = [testDirectory stringByAppendingPathComponent:@"test.txt"];
- BOOL res=[fileManager removeItemAtPath:testPath error:nil];
- if (res) {
- NSLog(@"文件删除成功");
- }else
- NSLog(@"文件删除失败");
- NSLog(@"文件是否存在: %@",[fileManager isExecutableFileAtPath:testPath]?@"YES":@"NO");
- }