iOS中NSFileManager文件常用操作整合

原文出处 http://blog.csdn.net/feng2qing/article/details/54974200

//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];

}

//获取应用程序路径+ (NSString*)getApplicationPath

{returnNSHomeDirectory();

}

//获取Cache路径

+ (NSString*)getCachePath

{NSArray*filePaths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask,YES);return[filePaths objectAtIndex:0];

}

//获取Temp路径+ (NSString*)getTempPath

{returnNSTemporaryDirectory();

}

//判断文件是否存在于某个路径中

+ (BOOL)fileIsExistOfPath:(NSString*)filePath

{BOOLflag =NO;NSFileManager*fileManager = [NSFileManagerdefaultManager];if([fileManager fileExistsAtPath:filePath]) {

flag =YES;

}else{

flag =NO;

}returnflag;

}

//从某个路径中移除文件

+ (BOOL)removeFileOfPath:(NSString*)filePath

{BOOLflag =YES;NSFileManager*fileManage = [NSFileManagerdefaultManager];if([fileManage fileExistsAtPath:filePath]) {if(![fileManage removeItemAtPath:filePath error:nil]) {

flag =NO;

}

}returnflag;

}

//从URL路径中移除文件

- (BOOL)removeFileOfURL:(NSURL*)fileURL

{BOOLflag =YES;NSFileManager*fileManage = [NSFileManagerdefaultManager];if([fileManage fileExistsAtPath:fileURL.path]) {if(![fileManage removeItemAtURL:fileURL error:nil]) {

flag =NO;

}

}returnflag;

}

//创建文件路径

+(BOOL)creatDirectoryWithPath:(NSString*)dirPath

{BOOLret =YES;BOOLisExist = [[NSFileManagerdefaultManager] fileExistsAtPath:dirPath];if(!isExist) {NSError*error;BOOLisSuccess = [[NSFileManagerdefaultManager] createDirectoryAtPath:dirPath withIntermediateDirectories:YESattributes:nilerror:&error];if(!isSuccess) {

ret =NO;NSLog(@"creat Directory Failed. errorInfo:%@",error);

}

}returnret;

}

//创建文件

+ (BOOL)creatFileWithPath:(NSString*)filePath

{BOOLisSuccess =YES;NSFileManager*fileManager = [NSFileManagerdefaultManager];BOOLtemp = [fileManager fileExistsAtPath:filePath];if(temp) {returnYES;

}NSError*error;//stringByDeletingLastPathComponent:删除最后一个路径节点NSString*dirPath = [filePath stringByDeletingLastPathComponent];

isSuccess = [fileManager createDirectoryAtPath:dirPath withIntermediateDirectories:YESattributes:nilerror:&error];if(error) {NSLog(@"creat File Failed. errorInfo:%@",error);

}if(!isSuccess) {returnisSuccess;

}

isSuccess = [fileManager createFileAtPath:filePath contents:nilattributes:nil];returnisSuccess;

}

//保存文件

+ (BOOL)saveFile:(NSString*)filePath withData:(NSData *)data

{BOOLret =YES;

ret = [selfcreatFileWithPath:filePath];if(ret) {

ret = [data writeToFile:filePath atomically:YES];if(!ret) {NSLog(@"%s Failed",__FUNCTION__);

}

}else{NSLog(@"%s Failed",__FUNCTION__);

}returnret;

}//追加写文件+ (BOOL)appendData:(NSData *)data withPath:(NSString*)path

{BOOLresult = [selfcreatFileWithPath:path];if(result) {

NSFileHandle *handle = [NSFileHandle fileHandleForWritingAtPath:path];

[handle seekToEndOfFile];

[handle writeData:data];

[handle synchronizeFile];

[handle closeFile];returnYES;

}else{NSLog(@"%s Failed",__FUNCTION__);returnNO;

}

}

//获取文件

+ (NSData *)getFileData:(NSString*)filePath

{

NSFileHandle *handle = [NSFileHandle fileHandleForReadingAtPath:filePath];

NSData *fileData = [handle readDataToEndOfFile];

[handle closeFile];returnfileData;

}

//读取文件

+ (NSData *)getFileData:(NSString*)filePath startIndex:(longlong)startIndex length:(NSInteger)length

{

NSFileHandle *handle = [NSFileHandle fileHandleForReadingAtPath:filePath];

[handle seekToFileOffset:startIndex];

NSData *data = [handle readDataOfLength:length];

[handle closeFile];returndata;

}

//移动文件

+ (BOOL)moveFileFromPath:(NSString*)fromPath toPath:(NSString*)toPath

{NSFileManager*fileManager = [NSFileManagerdefaultManager];if(![fileManager fileExistsAtPath:fromPath]) {NSLog(@"Error: fromPath Not Exist");returnNO;

}if(![fileManager fileExistsAtPath:toPath]) {NSLog(@"Error: toPath Not Exist");returnNO;

}NSString*headerComponent = [toPath stringByDeletingLastPathComponent];if([selfcreatFileWithPath:headerComponent]) {return[fileManager moveItemAtPath:fromPath toPath:toPath error:nil];

}else{returnNO;

}

}

//拷贝文件

+(BOOL)copyFileFromPath:(NSString*)fromPath toPath:(NSString*)toPath

{NSFileManager*fileManager = [NSFileManagerdefaultManager];if(![fileManager fileExistsAtPath:fromPath]) {NSLog(@"Error: fromPath Not Exist");returnNO;

}if(![fileManager fileExistsAtPath:toPath]) {NSLog(@"Error: toPath Not Exist");returnNO;

}NSString*headerComponent = [toPath stringByDeletingLastPathComponent];if([selfcreatFileWithPath:headerComponent]) {return[fileManager copyItemAtPath:fromPath toPath:toPath error:nil];

}else{returnNO;

}

}

//获取文件夹下文件列表

+ (NSArray*)getFileListInFolderWithPath:(NSString*)path

{NSFileManager*fileManager = [NSFileManagerdefaultManager];NSError*error;NSArray*fileList = [fileManager contentsOfDirectoryAtPath:path error:&error];if(error) {NSLog(@"getFileListInFolderWithPathFailed, errorInfo:%@",error);

}returnfileList;

}

//获取文件大小

+ (longlong)getFileSizeWithPath:(NSString*)path

{

unsignedlonglongfileLength =0;

NSNumber*fileSize;

NSFileManager*fileManager = [NSFileManagerdefaultManager];NSDictionary*fileAttributes = [fileManager attributesOfItemAtPath:path error:nil];

if((fileSize = [fileAttributes objectForKey:NSFileSize])) {

fileLength = [fileSize unsignedLongLongValue];

return fileLength;

}

//

NSFileManager* manager =[NSFileManager defaultManager];

//   

 if ([manager fileExistsAtPath:path]){

//        

return [[manager attributesOfItemAtPath:path error:nil] fileSize];

//  

  }

//

    return 0;

}

//获取文件创建时间

+ (NSString*)getFileCreatDateWithPath:(NSString*)path

{NSString*date =nil;NSFileManager*fileManager = [NSFileManagerdefaultManager];NSDictionary*fileAttributes = [fileManager attributesOfItemAtPath:path error:nil];

date = [fileAttributes objectForKey:NSFileCreationDate];returndate;

}

//获取文件所有者

+ (NSString*)getFileOwnerWithPath:(NSString*)path

{NSString*fileOwner =nil;NSFileManager*fileManager = [NSFileManagerdefaultManager];NSDictionary*fileAttributes = [fileManager attributesOfItemAtPath:path error:nil];

fileOwner = [fileAttributes objectForKey:NSFileOwnerAccountName];returnfileOwner;

}

//获取文件更改日期

+ (NSString*)getFileChangeDateWithPath:(NSString*)path

{NSString*date =nil;NSFileManager*fileManager = [NSFileManagerdefaultManager];NSDictionary*fileAttributes = [fileManager attributesOfItemAtPath:path error:nil];

date = [fileAttributes objectForKey:NSFileModificationDate];returndate;

}

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