iOS 创建文件夹，删除文件夹，对文件夹重命名的操作

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+ (void)createFolder:(Nsstring *)folderName {
    Nsstring *imageDir = [Nsstring stringWithFormat:@"%@/Documents/%@",NSHomeDirectory(),folderName];
    NSLog(@"HomeDir: %@",imageDir);
    BOOL isDir = NO;
    NSFileManager *fileManager = [NSFileManager defaultManager];
    BOOL existed = [fileManager fileExistsAtPath:imageDir isDirectory:&isDir];
    if ( !(isDir == YES && existed == YES) )
    {
        [fileManager createDirectoryAtPath:imageDir withIntermediateDirectories:YES attributes:nil error:nil];
    }
}

+ (void)deleteFolder:(Nsstring *)folderName {
    Nsstring *imageDir = [Nsstring stringWithFormat:@"%@/Documents/%@",imageDir);
    NSFileManager *fileManager = [NSFileManager defaultManager];
    [fileManager removeItemAtPath:imageDir error:nil];
}

+ (void)changeFolderName:(Nsstring *)folderName beforeName:(Nsstring *)beforeName {
    NSFileManager *fm = [NSFileManager defaultManager];
    Nsstring *beforeFolder = [Nsstring stringWithFormat:@"%@/Documents/%@",beforeName];
    Nsstring *afterFolder = [Nsstring stringWithFormat:@"%@/Documents/%@",folderName];
   
    [fm createDirectoryAtPath:afterFolder withIntermediateDirectories:YES attributes:nil error:nil];
   
    NSDirectoryEnumerator *dirEnum = [fm enumeratorAtPath:beforeFolder];
    Nsstring *path;
    while ((path = [dirEnum nextObject]) != nil) {
        [fm moveItemAtPath:[Nsstring stringWithFormat:@"%@/%@",beforeFolder,path]
                    toPath:[Nsstring stringWithFormat:@"%@/%@",afterFolder,path]
                     error:NULL];
    }
    [fm removeItemAtPath:beforeFolder error:nil];
}

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