//获取应用程序路径
+ (NSString *)getApplicationPath {
return NSHomeDirectory();
}
//获取Document路径
+ (NSString *)getDocumentPath {
NSArray *filePaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
return [filePaths objectAtIndex:0];
}
//获取Library路径
+ (NSString *)getLibraryPath {
NSArray *filePaths = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
return [filePaths objectAtIndex:0];
}
//获取tmp路径
+ (NSString *)getTmpPath {
return NSTemporaryDirectory();
}
//获取SystemData路径
+ (NSString *)getSystemDataPath {
//stringByAppendingString是字符串拼接，拼接路径时要在名称前加“/”
//stringByAppendingPathComponent是路径拼接，会在字符串前自动添加“/”，成为完整路径
NSString *path = [NSHomeDirectory() stringByAppendingString:@"/SystemData"];
//NSString *path = [path stringByAppendingPathComponent:@"SystemData"];
return path;
}
//获取Preferences路径
+ (NSString *)getPreferencesPath {
NSArray *filePaths = NSSearchPathForDirectoriesInDomains(NSPreferencePanesDirectory, NSUserDomainMask, YES);
return [filePaths objectAtIndex:0];
}
//获取Caches路径
+ (NSString *)getCachesPath {
NSArray *filePaths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
return [filePaths objectAtIndex:0];
}
//根据文件路径获取文件名称
+ (NSString *)getFileNameWithPath:(NSString *)path {
NSArray *array= [path componentsSeparatedByString:@"/"];
if (array.count == 0) {
return path;
}
return [array objectAtIndex:array.count-1];
}
//根据文件名获取资源文件路径
+ (NSString *)getResourcesFileWithName:(NSString *)name {
return [[NSBundle mainBundle] pathForResource:name ofType:nil];
}
//判断文件是否存在于某个路径中
+ (BOOL)fileIsExistOfPath:(NSString *)path {
NSFileManager *fileManager = [NSFileManager defaultManager];
return [fileManager fileExistsAtPath:path];
}
//从某个路径中移除文件
+ (BOOL)removeFileOfPath:(NSString *)path {
BOOL flag = YES;
NSFileManager *fileManager = [NSFileManager defaultManager];
BOOL isExist = [fileManager fileExistsAtPath:path];
if (isExist) {
NSError *error;
BOOL isRemoveSuccess = [fileManager removeItemAtPath:path error:&error];
if (!isRemoveSuccess) {
flag = NO;
}
}
return flag;
}
//从URL路径中移除文件
+ (BOOL)removeFileOfURL:(NSURL *)fileURL {
BOOL isSuccess = YES;
NSFileManager *fileManager = [NSFileManager defaultManager];
BOOL isExist = [fileManager fileExistsAtPath:fileURL.path];
if (isExist) {
NSError *error;
isSuccess = [fileManager removeItemAtURL:fileURL error:&error];
if (!isSuccess) {
NSLog(@"removeFileOfURL Failed. errorInfo:%@",error);
}
}
return isSuccess;
}
//创建创建文件夹/目录
+ (BOOL)creatFileDirectoryWithPath:(NSString *)path {
BOOL isSuccess = YES;
NSFileManager *fileManager = [NSFileManager defaultManager];
BOOL isExist = [fileManager fileExistsAtPath:path];
if (!isExist) {
NSError *error;
isSuccess = [fileManager createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:&error];
if (!isSuccess) {
NSLog(@"creatFileDirectoryWithPath Failed. errorInfo:%@",error);
}
}
return isSuccess;
}
//创建待写入的空文件:如test.xlArchiver
+ (BOOL)creatFileWithPath:(NSString *)path {
BOOL isSuccess = YES;
NSFileManager *fileManager = [NSFileManager defaultManager];
BOOL isExist = [fileManager fileExistsAtPath:path];
if (isExist) {
return YES;
}
NSError *error;
//stringByDeletingLastPathComponent:删除最后一个路径节点
NSString *dirPath = [path stringByDeletingLastPathComponent];
isSuccess = [fileManager createDirectoryAtPath:dirPath withIntermediateDirectories:YES attributes:nil error:&error];
if (error) {
NSLog(@"creatFileWithPath Failed. errorInfo:%@",error);
}
if (!isSuccess) {
return isSuccess;
}
isSuccess = [fileManager createFileAtPath:path contents:nil attributes:nil];
return isSuccess;
}
//保存文件
+ (BOOL)saveFile:(NSString *)filePath withData:(NSData *)data {
BOOL isSuccess = YES;
isSuccess = [self creatFileWithPath:filePath];
if (isSuccess) {
isSuccess = [data writeToFile:filePath atomically:YES];
if (!isSuccess) {
NSLog(@"%s Failed",__FUNCTION__);
}
} else {
NSLog(@"%s Failed",__FUNCTION__);
}
return isSuccess;
}
//追加写文件
+ (BOOL)appendData:(NSData *)data withPath:(NSString *)path {
BOOL result = [self creatFileWithPath:path];
if (result) {
NSFileHandle *handle = [NSFileHandle fileHandleForWritingAtPath:path];
[handle seekToEndOfFile];
[handle writeData:data];
[handle synchronizeFile];
[handle closeFile];
return YES;
} else {
NSLog(@"%s Failed",__FUNCTION__);
return NO;
}
}
//获取文件
+ (NSData *)getFileDataWithPath:(NSString *)path {
NSFileHandle *handle = [NSFileHandle fileHandleForReadingAtPath:path];
NSData *fileData = [handle readDataToEndOfFile];
[handle closeFile];
return fileData;
}
//读取文件
+ (NSData *)getFileDataWithPath:(NSString *)path startIndex:(long long)startIndex length:(NSInteger)length {
NSFileHandle *handle = [NSFileHandle fileHandleForReadingAtPath:path];
[handle seekToFileOffset:startIndex];
NSData *data = [handle readDataOfLength:length];
[handle closeFile];
return data;
}
//移动文件
+ (BOOL)moveFileFromPath:(NSString *)fromPath toPath:(NSString *)toPath {
BOOL isSuccess = YES;
NSError *error;
NSFileManager *fileManager = [NSFileManager defaultManager];
if (![fileManager fileExistsAtPath:fromPath]) {
NSLog(@"Error: fromPath Not Exist");
return NO;
}
if (![fileManager fileExistsAtPath:toPath]) {
NSLog(@"Error: toPath Not Exist");
return NO;
}
NSString *headerComponent = [toPath stringByDeletingLastPathComponent];
if ([self creatFileWithPath:headerComponent]) {
isSuccess = [fileManager moveItemAtPath:fromPath toPath:toPath error:&error];
if (!isSuccess) {
NSLog(@"moveFileFromPath:toPath: Failed. errorInfo:%@", error);
}
return isSuccess;
} else {
return NO;
}
}
//拷贝文件
+ (BOOL)copyFileFromPath:(NSString *)fromPath toPath:(NSString *)toPath {
BOOL isSuccess = YES;
NSError *error;
NSFileManager *fileManager = [NSFileManager defaultManager];
if (![fileManager fileExistsAtPath:fromPath]) {
NSLog(@"Error: fromPath Not Exist");
return NO;
}
if (![fileManager fileExistsAtPath:toPath]) {
NSLog(@"Error: toPath Not Exist");
return NO;
}
NSString *headerComponent = [toPath stringByDeletingLastPathComponent];
if ([self creatFileWithPath:headerComponent]) {
isSuccess = [fileManager copyItemAtPath:fromPath toPath:toPath error:&error];
if (!isSuccess) {
NSLog(@"copyFileFromPath:toPath: Failed. errorInfo:%@", error);
}
return isSuccess;
} else {
return NO;
}
}
//重命名文件或目录
//判断对象为空
UIKIT_STATIC_INLINE BOOL StrIsEmpty(id aItem) {
return aItem == nil
|| ([aItem isKindOfClass:[NSNull class]])
|| (([aItem respondsToSelector:@selector(length)])
&& ([aItem length] == 0))
|| (([aItem respondsToSelector:@selector(count)])
&& ([aItem count] == 0));
}
+ (BOOL)reNameFileWithPath:(NSString *)path toName:(NSString *)toName {
BOOL isSuccess = YES;
NSError *error;
NSFileManager *fileManager = [NSFileManager defaultManager];
//获取文件名： 如 视频.MP4
NSString *lastPathComponent = [path lastPathComponent];
//获取后缀：MP4
NSString *pathExtension = [path pathExtension];
//用传过来的路径创建新路径 首先去除文件名
NSString *aimPath = [path stringByReplacingOccurrencesOfString:lastPathComponent withString:@""];
//对文件重命名
NSString *moveToPath;
if (StrIsEmpty(pathExtension)) {//没有后缀
moveToPath = [NSString stringWithFormat:@"%@%@",aimPath, toName];
} else {
moveToPath = [NSString stringWithFormat:@"%@%@.%@",aimPath, toName ,pathExtension];
}
//通过移动该文件对文件重命名
isSuccess = [fileManager moveItemAtPath:path toPath:moveToPath error:&error];
if (!isSuccess){
NSLog(@"reNameFileWithPath:toName: Failed, errorInfo:%@",error);
} else {
NSLog(@"reName success");
}
return isSuccess;
}
//获取文件夹下文件列表---该路径下所有目录
+ (NSArray *)getFileListInFolderWithPath:(NSString *)path {
NSFileManager *fileManager = [NSFileManager defaultManager];
NSError *error;
NSArray *fileList = [fileManager contentsOfDirectoryAtPath:path error:&error];
if (error) {
NSLog(@"getFileListInFolderWithPath Failed, errorInfo:%@",error);
}
return fileList;
}
//获取文件目录下所有文件
+ (NSArray *)getAllFloderWithPath:(NSString *)path {
NSFileManager *fileManager = [NSFileManager defaultManager];
NSArray *fileAndFloderArr = [self getFileListInFolderWithPath:path];
NSMutableArray *dirArray = [NSMutableArray new];
BOOL isDir = NO;
//在上面那段程序中获得的fileList中列出文件夹名
for (NSString * file in fileAndFloderArr){
NSString *paths = [path stringByAppendingPathComponent:file];
[fileManager fileExistsAtPath:paths isDirectory:(&isDir)];
if (isDir) {
[dirArray addObject:file];
}
isDir = NO;
}
return dirArray;
}
//获取文件大小
+ (int64_t)getFileSizeWithPath:(NSString *)path {
/*
unsigned long long fileLength = 0;
NSNumber *fileSize;
NSFileManager *fileManager = [NSFileManager defaultManager];
NSDictionary *fileAttributes = [fileManager attributesOfItemAtPath:path error:nil];
if ((fileSize = [fileAttributes objectForKey:NSFileSize])) {
fileLength = [fileSize unsignedLongLongValue];
}
return fileLength;
*/
NSDirectoryEnumerator *pathEnum = [[NSFileManager defaultManager] enumeratorAtPath:path];
NSString *eName;
int64_t fileSize = 0;
while (eName = [pathEnum nextObject]){
//NSLog(@"eName:%@",eName);
NSDictionary *currentdict = [pathEnum fileAttributes];
NSString *filesize = [NSString stringWithFormat:@"%@",[currentdict objectForKey:NSFileSize]];
NSString *filetype = [currentdict objectForKey:NSFileType];
if([filetype isEqualToString:NSFileTypeDirectory]) {
continue;
}
fileSize = fileSize + [filesize longLongValue];
}
return fileSize;
}
//获取文件创建时间
+ (NSString *)getFileCreatDateWithPath:(NSString *)path {
NSError *error;
NSFileManager *fileManager = [NSFileManager defaultManager];
NSDictionary *fileAttributes = [fileManager attributesOfItemAtPath:path error:&error];
if (error) {
NSLog(@"getFileCreatDateWithPath Failed, errorInfo:%@",error);
}
NSString *date = [fileAttributes objectForKey:NSFileCreationDate];
return date;
}
//获取文件更改时间
+ (NSString *)getFileChangeDateWithPath:(NSString *)path {
NSError *error;
NSFileManager *fileManager = [NSFileManager defaultManager];
NSDictionary *fileAttributes = [fileManager attributesOfItemAtPath:path error:&error];
if (error) {
NSLog(@"getFileChangeDateWithPath Failed, errorInfo:%@",error);
}
NSString *date = [fileAttributes objectForKey:NSFileModificationDate];
return date;
}
//获取文件所有者
+ (NSString *)getFileOwnerWithPath:(NSString *)path {
NSError *error;
NSFileManager *fileManager = [NSFileManager defaultManager];
NSDictionary *fileAttributes = [fileManager attributesOfItemAtPath:path error:&error];
if (error) {
NSLog(@"getFileOwnerWithPath Failed, errorInfo:%@",error);
}
NSString *fileOwner = [fileAttributes objectForKey:NSFileOwnerAccountName];
return fileOwner;
}
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