FileManager文件目錄工具

http://www.reibang.com/p/fe00883ad3d2

https://github.com/suifengqjn/VideoRecord
此工程下的,XCFileManager.h文件

#import <UIKit/UIKit.h>

@interface XCFileManager : NSObject

#pragma mark - 沙盒目錄相關
// 沙盒的主目錄路徑
+ (NSString *)homeDir;
// 沙盒中Documents的目錄路徑
+ (NSString *)documentsDir;
// 沙盒中Library的目錄路徑
+ (NSString *)libraryDir;
// 沙盒中Libarary/Preferences的目錄路徑
+ (NSString *)preferencesDir;
// 沙盒中Library/Caches的目錄路徑
+ (NSString *)cachesDir;
// 沙盒中tmp的目錄路徑
+ (NSString *)tmpDir;

#pragma mark - 遍歷文件夾
/**
 文件遍歷
 
 @param path 目錄的絕對路徑
 @param deep 是否深遍歷 (1. 淺遍歷：返回當前目錄下的所有文件和文件夾；
 2. 深遍歷：返回當前目錄下及子目錄下的所有文件和文件夾)
 @return 遍歷結果數組
 */
+ (NSArray *)listFilesInDirectoryAtPath:(NSString *)path deep:(BOOL)deep;
// 遍歷沙盒主目錄
+ (NSArray *)listFilesInHomeDirectoryByDeep:(BOOL)deep;
// 遍歷Documents目錄
+ (NSArray *)listFilesInDocumentDirectoryByDeep:(BOOL)deep;
// 遍歷Library目錄
+ (NSArray *)listFilesInLibraryDirectoryByDeep:(BOOL)deep;
// 遍歷Caches目錄
+ (NSArray *)listFilesInCachesDirectoryByDeep:(BOOL)deep;
// 遍歷tmp目錄
+ (NSArray *)listFilesInTmpDirectoryByDeep:(BOOL)deep;

#pragma mark - 獲取文件屬性
// 根據key獲取文件某個屬性
+ (id)attributeOfItemAtPath:(NSString *)path forKey:(NSString *)key;
// 根據key獲取文件某個屬性(錯誤信息error)
+ (id)attributeOfItemAtPath:(NSString *)path forKey:(NSString *)key error:(NSError **)error;
// 獲取文件屬性集合
+ (NSDictionary *)attributesOfItemAtPath:(NSString *)path;
// 獲取文件屬性集合(錯誤信息error)
+ (NSDictionary *)attributesOfItemAtPath:(NSString *)path error:(NSError **)error;

#pragma mark - 創(chuàng)建文件(夾)
// 創(chuàng)建文件夾
+ (BOOL)createDirectoryAtPath:(NSString *)path;
// 創(chuàng)建文件夾(錯誤信息error)
+ (BOOL)createDirectoryAtPath:(NSString *)path error:(NSError **)error;
// 創(chuàng)建文件
+ (BOOL)createFileAtPath:(NSString *)path;
// 創(chuàng)建文件(錯誤信息error)
+ (BOOL)createFileAtPath:(NSString *)path error:(NSError **)error;
// 創(chuàng)建文件聚凹，是否覆蓋
+ (BOOL)createFileAtPath:(NSString *)path overwrite:(BOOL)overwrite;
// 創(chuàng)建文件额各，是否覆蓋(錯誤信息error)
+ (BOOL)createFileAtPath:(NSString *)path overwrite:(BOOL)overwrite error:(NSError **)error;
// 創(chuàng)建文件絮识，文件內容
+ (BOOL)createFileAtPath:(NSString *)path content:(NSObject *)content;
// 創(chuàng)建文件桐磁，文件內容(錯誤信息error)
+ (BOOL)createFileAtPath:(NSString *)path content:(NSObject *)content error:(NSError **)error;
// 創(chuàng)建文件，文件內容膝晾，是否覆蓋
+ (BOOL)createFileAtPath:(NSString *)path content:(NSObject *)content overwrite:(BOOL)overwrite;
// 創(chuàng)建文件亩冬，文件內容，是否覆蓋(錯誤信息error)
+ (BOOL)createFileAtPath:(NSString *)path content:(NSObject *)content overwrite:(BOOL)overwrite error:(NSError **)error;
// 獲取創(chuàng)建文件時間
+ (NSDate *)creationDateOfItemAtPath:(NSString *)path;
// 獲取創(chuàng)建文件時間(錯誤信息error)
+ (NSDate *)creationDateOfItemAtPath:(NSString *)path error:(NSError **)error;
// 獲取文件修改時間
+ (NSDate *)modificationDateOfItemAtPath:(NSString *)path;
// 獲取文件修改時間(錯誤信息error)
+ (NSDate *)modificationDateOfItemAtPath:(NSString *)path error:(NSError **)error;

#pragma mark - 刪除文件(夾)
// 刪除文件
+ (BOOL)removeItemAtPath:(NSString *)path;
// 刪除文件(錯誤信息error)
+ (BOOL)removeItemAtPath:(NSString *)path error:(NSError **)error;
// 清空Caches文件夾
+ (BOOL)clearCachesDirectory;
// 清空tmp文件夾
+ (BOOL)clearTmpDirectory;

#pragma mark - 復制文件(夾)
// 復制文件
+ (BOOL)copyItemAtPath:(NSString *)path toPath:(NSString *)toPath;
// 復制文件(錯誤信息error)
+ (BOOL)copyItemAtPath:(NSString *)path toPath:(NSString *)toPath error:(NSError **)error;
// 復制文件公条，是否覆蓋
+ (BOOL)copyItemAtPath:(NSString *)path toPath:(NSString *)toPath overwrite:(BOOL)overwrite;
// 復制文件拇囊，是否覆蓋(錯誤信息error)
+ (BOOL)copyItemAtPath:(NSString *)path toPath:(NSString *)toPath overwrite:(BOOL)overwrite error:(NSError **)error;

#pragma mark - 移動文件(夾)
// 移動文件
+ (BOOL)moveItemAtPath:(NSString *)path toPath:(NSString *)toPath;
// 移動文件(錯誤信息error)
+ (BOOL)moveItemAtPath:(NSString *)path toPath:(NSString *)toPath error:(NSError **)error;
// 移動文件，是否覆蓋
+ (BOOL)moveItemAtPath:(NSString *)path toPath:(NSString *)toPath overwrite:(BOOL)overwrite;
// 移動文件靶橱，是否覆蓋(錯誤信息error)
+ (BOOL)moveItemAtPath:(NSString *)path toPath:(NSString *)toPath overwrite:(BOOL)overwrite error:(NSError **)error;

#pragma mark - 根據URL獲取文件名
// 根據文件路徑獲取文件名稱寥袭，是否需要后綴
+ (NSString *)fileNameAtPath:(NSString *)path suffix:(BOOL)suffix;
// 獲取文件所在的文件夾路徑
+ (NSString *)directoryAtPath:(NSString *)path;
// 根據文件路徑獲取文件擴展類型
+ (NSString *)suffixAtPath:(NSString *)path;

#pragma mark - 判斷文件(夾)是否存在
// 判斷文件路徑是否存在
+ (BOOL)isExistsAtPath:(NSString *)path;
// 判斷路徑是否為空(判空條件是文件大小為0，或者是文件夾下沒有子文件)
+ (BOOL)isEmptyItemAtPath:(NSString *)path;
// 判斷路徑是否為空(錯誤信息error)
+ (BOOL)isEmptyItemAtPath:(NSString *)path error:(NSError **)error;
// 判斷目錄是否是文件夾
+ (BOOL)isDirectoryAtPath:(NSString *)path;
// 判斷目錄是否是文件夾(錯誤信息error)
+ (BOOL)isDirectoryAtPath:(NSString *)path error:(NSError **)error;
// 判斷目錄是否是文件
+ (BOOL)isFileAtPath:(NSString *)path;
// 判斷目錄是否是文件(錯誤信息error)
+ (BOOL)isFileAtPath:(NSString *)path error:(NSError **)error;
// 判斷目錄是否可以執(zhí)行
+ (BOOL)isExecutableItemAtPath:(NSString *)path;
// 判斷目錄是否可讀
+ (BOOL)isReadableItemAtPath:(NSString *)path;
// 判斷目錄是否可寫
+ (BOOL)isWritableItemAtPath:(NSString *)path;

#pragma mark - 獲取文件(夾)大小
// 獲取目錄大小
+ (NSNumber *)sizeOfItemAtPath:(NSString *)path;
// 獲取目錄大小(錯誤信息error)
+ (NSNumber *)sizeOfItemAtPath:(NSString *)path error:(NSError **)error;
// 獲取文件大小
+ (NSNumber *)sizeOfFileAtPath:(NSString *)path;
// 獲取文件大小(錯誤信息error)
+ (NSNumber *)sizeOfFileAtPath:(NSString *)path error:(NSError **)error;
// 獲取文件夾大小
+ (NSNumber *)sizeOfDirectoryAtPath:(NSString *)path;
// 獲取文件夾大小(錯誤信息error)
+ (NSNumber *)sizeOfDirectoryAtPath:(NSString *)path error:(NSError **)error;

// 獲取目錄大小关霸，返回格式化后的數值
+ (NSString *)sizeFormattedOfItemAtPath:(NSString *)path;
// 獲取目錄大小传黄，返回格式化后的數值(錯誤信息error)
+ (NSString *)sizeFormattedOfItemAtPath:(NSString *)path error:(NSError **)error;
// 獲取文件大小，返回格式化后的數值
+ (NSString *)sizeFormattedOfFileAtPath:(NSString *)path;
// 獲取文件大小队寇，返回格式化后的數值(錯誤信息error)
+ (NSString *)sizeFormattedOfFileAtPath:(NSString *)path error:(NSError **)error;
// 獲取文件夾大小膘掰，返回格式化后的數值
+ (NSString *)sizeFormattedOfDirectoryAtPath:(NSString *)path;
// 獲取文件夾大小，返回格式化后的數值(錯誤信息error)
+ (NSString *)sizeFormattedOfDirectoryAtPath:(NSString *)path error:(NSError **)error;

#pragma mark - 寫入文件內容
// 寫入文件內容
+ (BOOL)writeFileAtPath:(NSString *)path content:(NSObject *)content;
// 寫入文件內容(錯誤信息error)
+ (BOOL)writeFileAtPath:(NSString *)path content:(NSObject *)content error:(NSError **)error;

@end

#import "XCFileManager.h"

@interface XCFileManager ()

@property (strong, nonatomic) NSFileManager *manager;

@end


@implementation XCFileManager

#pragma mark - 沙盒目錄相關
+ (NSString *)homeDir {
    return NSHomeDirectory();
}

+ (NSString *)documentsDir {
    return [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject];
}

+ (NSString *)libraryDir {
    return [NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES) lastObject];;
}

+ (NSString *)preferencesDir {
    NSString *libraryDir = [self libraryDir];
    return [libraryDir stringByAppendingPathComponent:@"Preferences"];
}

+ (NSString *)cachesDir {
    return [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) firstObject];
}

+ (NSString *)tmpDir {
    return NSTemporaryDirectory();
}
#pragma mark - 遍歷文件夾
+ (NSArray *)listFilesInDirectoryAtPath:(NSString *)path deep:(BOOL)deep {
    NSArray *listArr;
    NSError *error;
    NSFileManager *manager = [NSFileManager defaultManager];
    if (deep) {
        // 深遍歷
        NSArray *deepArr = [manager subpathsOfDirectoryAtPath:path error:&error];
        if (!error) {
            listArr = deepArr;
        }else {
            listArr = nil;
        }
    }else {
        // 淺遍歷
        NSArray *shallowArr = [manager contentsOfDirectoryAtPath:path error:&error];
        if (!error) {
            listArr = shallowArr;
        }else {
            listArr = nil;
        }
    }
    return listArr;
}

+ (NSArray *)listFilesInHomeDirectoryByDeep:(BOOL)deep {
    return [self listFilesInDirectoryAtPath:[self homeDir] deep:deep];
}

+ (NSArray *)listFilesInLibraryDirectoryByDeep:(BOOL)deep {
    return [self listFilesInDirectoryAtPath:[self libraryDir] deep:deep];
}

+ (NSArray *)listFilesInDocumentDirectoryByDeep:(BOOL)deep {
    return [self listFilesInDirectoryAtPath:[self documentsDir] deep:deep];
}

+ (NSArray *)listFilesInTmpDirectoryByDeep:(BOOL)deep {
    return [self listFilesInDirectoryAtPath:[self tmpDir] deep:deep];
}

+ (NSArray *)listFilesInCachesDirectoryByDeep:(BOOL)deep {
    return [self listFilesInDirectoryAtPath:[self cachesDir] deep:deep];
}

#pragma mark - 獲取文件屬性
+ (id)attributeOfItemAtPath:(NSString *)path forKey:(NSString *)key {
    return [[self attributesOfItemAtPath:path] objectForKey:key];
}

+ (id)attributeOfItemAtPath:(NSString *)path forKey:(NSString *)key error:(NSError *__autoreleasing *)error {
    return [[self attributesOfItemAtPath:path error:error] objectForKey:key];
}

+ (NSDictionary *)attributesOfItemAtPath:(NSString *)path {
    return [self attributesOfItemAtPath:path error:nil];
}

+ (NSDictionary *)attributesOfItemAtPath:(NSString *)path error:(NSError *__autoreleasing *)error {
    return [[NSFileManager defaultManager] attributesOfItemAtPath:path error:error];
}

#pragma mark - 創(chuàng)建文件(夾)
+ (BOOL)createDirectoryAtPath:(NSString *)path {
    return [self createDirectoryAtPath:path error:nil];
}

+ (BOOL)createDirectoryAtPath:(NSString *)path error:(NSError *__autoreleasing *)error {
    NSFileManager *manager = [NSFileManager defaultManager];
    BOOL isSuccess = [manager createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:error];
    return isSuccess;
}

+ (BOOL)createFileAtPath:(NSString *)path {
    return [self createFileAtPath:path content:nil overwrite:YES error:nil];
}

+ (BOOL)createFileAtPath:(NSString *)path error:(NSError *__autoreleasing *)error {
    return [self createFileAtPath:path content:nil overwrite:YES error:error];
}

+ (BOOL)createFileAtPath:(NSString *)path overwrite:(BOOL)overwrite {
    return [self createFileAtPath:path content:nil overwrite:overwrite error:nil];
}

+ (BOOL)createFileAtPath:(NSString *)path overwrite:(BOOL)overwrite error:(NSError *__autoreleasing *)error {
    return [self createFileAtPath:path content:nil overwrite:overwrite error:error];
}

+ (BOOL)createFileAtPath:(NSString *)path content:(NSObject *)content {
    return [self createFileAtPath:path content:content overwrite:YES error:nil];
}

+ (BOOL)createFileAtPath:(NSString *)path content:(NSObject *)content error:(NSError *__autoreleasing *)error {
    return [self createFileAtPath:path content:content overwrite:YES error:error];
}

+ (BOOL)createFileAtPath:(NSString *)path content:(NSObject *)content overwrite:(BOOL)overwrite {
    return [self createFileAtPath:path content:content overwrite:overwrite error:nil];
}

+ (BOOL)createFileAtPath:(NSString *)path content:(NSObject *)content overwrite:(BOOL)overwrite error:(NSError *__autoreleasing *)error {
    // 如果文件夾路徑不存在佳遣，那么先創(chuàng)建文件夾
    NSString *directoryPath = [self directoryAtPath:path];
    if (![self isExistsAtPath:directoryPath]) {
        // 創(chuàng)建文件夾
        if (![self createDirectoryAtPath:directoryPath error:error]) {
            return NO;
        }
    }
    // 如果文件存在识埋，并不想覆蓋，那么直接返回YES零渐。
    if (!overwrite) {
        if ([self isExistsAtPath:path]) {
            return YES;
        }
    }
    // 創(chuàng)建文件
    BOOL isSuccess = [[NSFileManager defaultManager] createFileAtPath:path contents:nil attributes:nil];
    if (content) {
        [self writeFileAtPath:path content:content error:error];
    }
    return isSuccess;
}

+ (NSDate *)creationDateOfItemAtPath:(NSString *)path {
    return [self creationDateOfItemAtPath:path error:nil];
}

+ (NSDate *)creationDateOfItemAtPath:(NSString *)path error:(NSError *__autoreleasing *)error {
    return (NSDate *)[self attributeOfItemAtPath:path forKey:NSFileCreationDate error:error];
}

+ (NSDate *)modificationDateOfItemAtPath:(NSString *)path {
    return [self modificationDateOfItemAtPath:path error:nil];
}

+ (NSDate *)modificationDateOfItemAtPath:(NSString *)path error:(NSError *__autoreleasing *)error {
    return (NSDate *)[self attributeOfItemAtPath:path forKey:NSFileModificationDate error:error];
}

#pragma mark - 刪除文件(夾)
+ (BOOL)removeItemAtPath:(NSString *)path {
    return [self removeItemAtPath:path error:nil];
}

+ (BOOL)removeItemAtPath:(NSString *)path error:(NSError *__autoreleasing *)error {
    return [[NSFileManager defaultManager] removeItemAtPath:path error:error];
}

+ (BOOL)clearCachesDirectory {
    NSArray *subFiles = [self listFilesInCachesDirectoryByDeep:NO];
    BOOL isSuccess = YES;
    
    for (NSString *file in subFiles) {
        NSString *absolutePath = [[self cachesDir] stringByAppendingPathComponent:file];
        isSuccess &= [self removeItemAtPath:absolutePath];
    }
    return isSuccess;
}

+ (BOOL)clearTmpDirectory {
    NSArray *subFiles = [self listFilesInTmpDirectoryByDeep:NO];
    BOOL isSuccess = YES;
    
    for (NSString *file in subFiles) {
        NSString *absolutePath = [[self tmpDir] stringByAppendingPathComponent:file];
        isSuccess &= [self removeItemAtPath:absolutePath];
    }
    return isSuccess;
}

#pragma mark - 復制文件(夾)
+ (BOOL)copyItemAtPath:(NSString *)path toPath:(NSString *)toPath {
    return [self copyItemAtPath:path toPath:toPath overwrite:NO error:nil];
}

+ (BOOL)copyItemAtPath:(NSString *)path toPath:(NSString *)toPath error:(NSError *__autoreleasing *)error {
    return [self copyItemAtPath:path toPath:toPath overwrite:NO error:error];
}

+ (BOOL)copyItemAtPath:(NSString *)path toPath:(NSString *)toPath overwrite:(BOOL)overwrite {
    return [self copyItemAtPath:path toPath:toPath overwrite:overwrite error:nil];
}

+ (BOOL)copyItemAtPath:(NSString *)path toPath:(NSString *)toPath overwrite:(BOOL)overwrite error:(NSError *__autoreleasing *)error {
    // 先要保證源文件路徑存在窒舟，不然拋出異常
    if (![self isExistsAtPath:path]) {
        [NSException raise:@"非法的源文件路徑" format:@"源文件路徑%@不存在，請檢查源文件路徑", path];
        return NO;
    }
    NSString *toDirPath = [self directoryAtPath:toPath];
    if (![self isExistsAtPath:toDirPath]) {
        // 創(chuàng)建復制路徑
        if (![self createDirectoryAtPath:toDirPath error:error]) {
            return NO;
        }
    }
    // 如果覆蓋诵盼，那么先刪掉原文件
    if (overwrite) {
        if ([self isExistsAtPath:toPath]) {
            [self removeItemAtPath:toPath error:error];
        }
    }
    // 復制文件
    BOOL isSuccess = [[NSFileManager defaultManager] copyItemAtPath:path toPath:toPath error:error];
    
    return isSuccess;
}

#pragma mark - 移動文件(夾)
+ (BOOL)moveItemAtPath:(NSString *)path toPath:(NSString *)toPath {
    return [self moveItemAtPath:path toPath:toPath overwrite:NO error:nil];
}

+ (BOOL)moveItemAtPath:(NSString *)path toPath:(NSString *)toPath error:(NSError *__autoreleasing *)error {
    return [self moveItemAtPath:path toPath:toPath overwrite:NO error:error];
}

+ (BOOL)moveItemAtPath:(NSString *)path toPath:(NSString *)toPath overwrite:(BOOL)overwrite {
    return [self moveItemAtPath:path toPath:toPath overwrite:overwrite error:nil];
}

+ (BOOL)moveItemAtPath:(NSString *)path toPath:(NSString *)toPath overwrite:(BOOL)overwrite error:(NSError *__autoreleasing *)error {
    // 先要保證源文件路徑存在惠豺，不然拋出異常
    if (![self isExistsAtPath:path]) {
        [NSException raise:@"非法的源文件路徑" format:@"源文件路徑%@不存在，請檢查源文件路徑", path];
        return NO;
    }
    NSString *toDirPath = [self directoryAtPath:toPath];
    if (![self isExistsAtPath:toDirPath]) {
        // 創(chuàng)建移動路徑
        if (![self createDirectoryAtPath:toDirPath error:error]) {
            return NO;
        }
    }
    // 如果覆蓋拦耐，那么先刪掉原文件
    if ([self isExistsAtPath:toPath]) {
        if (overwrite) {
            [self removeItemAtPath:toPath error:error];
        }else {
            [self removeItemAtPath:path error:error];
            return YES;
        }
    }
    
    // 移動文件
    BOOL isSuccess = [[NSFileManager defaultManager] moveItemAtPath:path toPath:toPath error:error];
    
    return isSuccess;
}

#pragma mark - 根據URL獲取文件名
+ (NSString *)fileNameAtPath:(NSString *)path suffix:(BOOL)suffix {
    NSString *fileName = [path lastPathComponent];
    if (!suffix) {
        fileName = [fileName stringByDeletingPathExtension];
    }
    return fileName;
}

+ (NSString *)directoryAtPath:(NSString *)path {
    return [path stringByDeletingLastPathComponent];
}

+ (NSString *)suffixAtPath:(NSString *)path {
    return [path pathExtension];
}

#pragma mark - 判斷文件(夾)是否存在
+ (BOOL)isExistsAtPath:(NSString *)path {
    return [[NSFileManager defaultManager] fileExistsAtPath:path];
}

+ (BOOL)isEmptyItemAtPath:(NSString *)path {
    return [self isEmptyItemAtPath:path error:nil];
}

+ (BOOL)isEmptyItemAtPath:(NSString *)path error:(NSError *__autoreleasing *)error {
    return ([self isFileAtPath:path error:error] &&
            [[self sizeOfItemAtPath:path error:error] intValue] == 0) ||
    ([self isDirectoryAtPath:path error:error] &&
     [[self listFilesInDirectoryAtPath:path deep:NO] count] == 0);
}

+ (BOOL)isDirectoryAtPath:(NSString *)path {
    return [self isDirectoryAtPath:path error:nil];
}

+ (BOOL)isDirectoryAtPath:(NSString *)path error:(NSError *__autoreleasing *)error {
    return ([self attributeOfItemAtPath:path forKey:NSFileType error:error] == NSFileTypeDirectory);
}

+ (BOOL)isFileAtPath:(NSString *)path {
    return [self isFileAtPath:path error:nil];
}

+ (BOOL)isFileAtPath:(NSString *)path error:(NSError *__autoreleasing *)error {
    return ([self attributeOfItemAtPath:path forKey:NSFileType error:error] == NSFileTypeRegular);
}

+ (BOOL)isExecutableItemAtPath:(NSString *)path {
    return [[NSFileManager defaultManager] isExecutableFileAtPath:path];
}

+ (BOOL)isReadableItemAtPath:(NSString *)path {
    return [[NSFileManager defaultManager] isReadableFileAtPath:path];
}
+ (BOOL)isWritableItemAtPath:(NSString *)path {
    return [[NSFileManager defaultManager] isWritableFileAtPath:path];
}

#pragma mark - 獲取文件(夾)大小
+ (NSNumber *)sizeOfItemAtPath:(NSString *)path {
    return [self sizeOfItemAtPath:path error:nil];
}

+ (NSNumber *)sizeOfItemAtPath:(NSString *)path error:(NSError *__autoreleasing *)error {
    return (NSNumber *)[self attributeOfItemAtPath:path forKey:NSFileSize error:error];
}

+ (NSNumber *)sizeOfFileAtPath:(NSString *)path {
    return [self sizeOfFileAtPath:path error:nil];
}

+ (NSNumber *)sizeOfFileAtPath:(NSString *)path error:(NSError *__autoreleasing *)error {
    if ([self isFileAtPath:path error:error]) {
        return [self sizeOfItemAtPath:path error:error];
    }
    return nil;
}

+ (NSNumber *)sizeOfDirectoryAtPath:(NSString *)path {
    return [self sizeOfDirectoryAtPath:path error:nil];
}

+ (NSNumber *)sizeOfDirectoryAtPath:(NSString *)path error:(NSError *__autoreleasing *)error {
    if ([self isDirectoryAtPath:path error:error]) {
        NSArray *subPaths = [self listFilesInDirectoryAtPath:path deep:YES];
        NSEnumerator *contentsEnumurator = [subPaths objectEnumerator];
        
        NSString *file;
        unsigned long long int folderSize = 0;
        
        while (file = [contentsEnumurator nextObject]) {
            NSDictionary *fileAttributes = [[NSFileManager defaultManager] attributesOfItemAtPath:[path stringByAppendingPathComponent:file] error:nil];
            folderSize += [[fileAttributes objectForKey:NSFileSize] intValue];
        }
        return [NSNumber numberWithUnsignedLongLong:folderSize];
    }
    return nil;
}

+ (NSString *)sizeFormattedOfItemAtPath:(NSString *)path {
    return [self sizeFormattedOfItemAtPath:path error:nil];
}

+ (NSString *)sizeFormattedOfItemAtPath:(NSString *)path error:(NSError *__autoreleasing *)error {
    NSNumber *size = [self sizeOfItemAtPath:path error:error];
    if (size) {
        return [self sizeFormatted:size];
    }
    return nil;
}

+ (NSString *)sizeFormattedOfFileAtPath:(NSString *)path {
    return [self sizeFormattedOfFileAtPath:path error:nil];
}

+ (NSString *)sizeFormattedOfFileAtPath:(NSString *)path error:(NSError *__autoreleasing *)error {
    NSNumber *size = [self sizeOfFileAtPath:path error:error];
    if (size) {
        return [self sizeFormatted:size];
    }
    return nil;
}

+ (NSString *)sizeFormattedOfDirectoryAtPath:(NSString *)path {
    return [self sizeFormattedOfDirectoryAtPath:path error:nil];
}

+ (NSString *)sizeFormattedOfDirectoryAtPath:(NSString *)path error:(NSError *__autoreleasing *)error {
    NSNumber *size = [self sizeOfDirectoryAtPath:path error:error];
    if (size) {
        return [self sizeFormatted:size];
    }
    return nil;
}

#pragma mark - 寫入文件內容
+ (BOOL)writeFileAtPath:(NSString *)path content:(NSObject *)content {
    return [self writeFileAtPath:path content:content error:nil];
}

+ (BOOL)writeFileAtPath:(NSString *)path content:(NSObject *)content error:(NSError *__autoreleasing *)error {
    if (!content) {
        [NSException raise:@"非法的文件內容" format:@"文件內容不能為nil"];
        return NO;
    }
    if ([self isExistsAtPath:path]) {
        if ([content isKindOfClass:[NSMutableArray class]]) {
            [(NSMutableArray *)content writeToFile:path atomically:YES];
        }else if ([content isKindOfClass:[NSArray class]]) {
            [(NSArray *)content writeToFile:path atomically:YES];
        }else if ([content isKindOfClass:[NSMutableData class]]) {
            [(NSMutableData *)content writeToFile:path atomically:YES];
        }else if ([content isKindOfClass:[NSData class]]) {
            [(NSData *)content writeToFile:path atomically:YES];
        }else if ([content isKindOfClass:[NSMutableDictionary class]]) {
            [(NSMutableDictionary *)content writeToFile:path atomically:YES];
        }else if ([content isKindOfClass:[NSDictionary class]]) {
            [(NSDictionary *)content writeToFile:path atomically:YES];
        }else if ([content isKindOfClass:[NSJSONSerialization class]]) {
            [(NSDictionary *)content writeToFile:path atomically:YES];
        }else if ([content isKindOfClass:[NSMutableString class]]) {
            [[((NSString *)content) dataUsingEncoding:NSUTF8StringEncoding] writeToFile:path atomically:YES];
        }else if ([content isKindOfClass:[NSString class]]) {
            [[((NSString *)content) dataUsingEncoding:NSUTF8StringEncoding] writeToFile:path atomically:YES];
        }else if ([content isKindOfClass:[UIImage class]]) {
            [UIImagePNGRepresentation((UIImage *)content) writeToFile:path atomically:YES];
        }else if ([content conformsToProtocol:@protocol(NSCoding)]) {
            [NSKeyedArchiver archiveRootObject:content toFile:path];
        }else {
            [NSException raise:@"非法的文件內容" format:@"文件類型%@異常耕腾，無法被處理。", NSStringFromClass([content class])];
            
            return NO;
        }
    }else {
        return NO;
    }
    return YES;
}

#pragma mark - private methods
+ (BOOL)isNotError:(NSError **)error {
    return ((error == nil) || ((*error) == nil));
}

+(NSString *)sizeFormatted:(NSNumber *)size {
    return [NSByteCountFormatter stringFromByteCount:[size unsignedLongLongValue] countStyle:NSByteCountFormatterCountStyleFile];
}

@end

?著作權歸作者所有,轉載或內容合作請聯系作者

人面猴
序言：七十年代末杀糯，一起剝皮案震驚了整個濱河市扫俺，隨后出現的幾起案子，更是在濱河造成了極大的恐慌固翰，老刑警劉巖狼纬，帶你破解...
沈念sama閱讀 217,084評論 6贊 503
死咒
序言：濱河連續(xù)發(fā)生了三起死亡事件，死亡現場離奇詭異骂际，居然都是意外死亡疗琉，警方通過查閱死者的電腦和手機，發(fā)現死者居然都...
沈念sama閱讀 92,623評論 3贊 392
救了他兩次的神仙讓他今天三更去死
文/潘曉璐我一進店門歉铝，熙熙樓的掌柜王于貴愁眉苦臉地迎上來盈简，“玉大人，你說我怎么就攤上這事∧停” “怎么了香浩？”我有些...
開封第一講書人閱讀 163,450評論 0贊 353
道士緝兇錄：失蹤的賣姜人
文/不壞的土叔我叫張陵，是天一觀的道長臼勉。經常有香客問我邻吭，道長，這世上最難降的妖魔是什么宴霸？我笑而不...
開封第一講書人閱讀 58,322評論 1贊 293
?港島之戀（遺憾婚禮）
正文為了忘掉前任囱晴，我火速辦了婚禮，結果婚禮上瓢谢，老公的妹妹穿的比我還像新娘畸写。我一直安慰自己，他們只是感情好恩闻，可當我...
茶點故事閱讀 67,370評論 6贊 390
惡毒庶女頂嫁案：這布局不是一般人想出來的
文/花漫我一把揭開白布艺糜。她就那樣靜靜地躺著，像睡著了一般幢尚。火紅的嫁衣襯著肌膚如雪破停。梳的紋絲不亂的頭發(fā)上，一...
開封第一講書人閱讀 51,274評論 1贊 300
城市分裂傳說
那天尉剩，我揣著相機與錄音真慢，去河邊找鬼。笑死理茎，一個胖子當著我的面吹牛黑界，可吹牛的內容都是我干的。我是一名探鬼主播皂林，決...
沈念sama閱讀 40,126評論 3贊 418
雙鴛鴦連環(huán)套：你想象不到人心有多黑
文/蒼蘭香墨我猛地睜開眼朗鸠，長吁一口氣：“原來是場噩夢啊……” “哼！你這毒婦竟也來了础倍？” 一聲冷哼從身側響起烛占，我...
開封第一講書人閱讀 38,980評論 0贊 275
萬榮殺人案實錄
序言：老撾萬榮一對情侶失蹤，失蹤者是張志新（化名）和其女友劉穎沟启，沒想到半個月后忆家，有當地人在樹林里發(fā)現了一具尸體，經...
沈念sama閱讀 45,414評論 1贊 313
?護林員之死
正文獨居荒郊野嶺守林人離奇死亡德迹，尸身上長有42處帶血的膿包…… 初始之章·張勛以下內容為張勛視角年9月15日...
茶點故事閱讀 37,599評論 3贊 334
?白月光啟示錄
正文我和宋清朗相戀三年芽卿，在試婚紗的時候發(fā)現自己被綠了。大學時的朋友給我發(fā)了我未婚夫和他白月光在一起吃飯的照片胳搞。...
茶點故事閱讀 39,773評論 1贊 348
活死人
序言：一個原本活蹦亂跳的男人離奇死亡卸例，死狀恐怖称杨，靈堂內的尸體忽然破棺而出，到底是詐尸還是另有隱情筷转，我是刑警寧澤列另，帶...
沈念sama閱讀 35,470評論 5贊 344
?日本核電站爆炸內幕
正文年R本政府宣布，位于F島的核電站旦装，受9級特大地震影響，放射性物質發(fā)生泄漏摊滔。R本人自食惡果不足惜阴绢，卻給世界環(huán)境...
茶點故事閱讀 41,080評論 3贊 327
男人毒藥：我在死后第九天來索命
文/蒙蒙一、第九天我趴在偏房一處隱蔽的房頂上張望艰躺。院中可真熱鬧呻袭，春花似錦、人聲如沸腺兴。這莊子的主人今日做“春日...
開封第一講書人閱讀 31,713評論 0贊 22
一樁弒父案，背后竟有這般陰謀
文/蒼蘭香墨我抬頭看了看天上的太陽页响。三九已至篓足，卻和暖如春，著一層夾襖步出監(jiān)牢的瞬間闰蚕，已是汗流浹背栈拖。一陣腳步聲響...
開封第一講書人閱讀 32,852評論 1贊 269
情欲美人皮
我被黑心中介騙來泰國打工，沒想到剛下飛機就差點兒被人妖公主榨干…… 1. 我叫王不留没陡，地道東北人涩哟。一個月前我還...
沈念sama閱讀 47,865評論 2贊 370
代替公主和親
正文我出身青樓，卻偏偏與公主長得像盼玄，于是被迫代替她去往敵國和親贴彼。傳聞我的和親對象是個殘疾皇子，可洞房花燭夜當晚...
茶點故事閱讀 44,689評論 2贊 354

FileManager文件目錄工具

推薦閱讀更多精彩內容