Question

我可以列出Document Directory中Table view内的内容。但我有50个文件夹，我从文档目录中的各种来源下载。现在我想要获取所有50个文件夹内容以及文档目录内容...

//This is my Code...
NSArray * paths = NSSearchPathForDirectoriesInDomains ( NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSError * error;
NSArray *extensions = [NSArray arrayWithObjects:@"mp4", @"folder", @"mov", @"m4v", @"pdf", @"doc", @"xls", @"mp3" ,nil];
directoryContents =  [[NSFileManager defaultManager]
                      contentsOfDirectoryAtPath:documentsDirectory error:&error];
directoryContents = [directoryContents filteredArrayUsingPredicate: 
                      [NSPredicate predicateWithFormat:@"pathExtension IN %@", extensions ]];
NSLog(@"directoryContents ====== %@",directoryContents);

Answer 1

test=[[NSMutableArray alloc]init];// allocate mutable array Globally
 NSArray * paths = NSSearchPathForDirectoriesInDomains ( NSDocumentDirectory, NSUserDomainMask, YES);
 NSString *documentsDirectory = [paths objectAtIndex:0];

NSDirectoryEnumerator *de = [[NSFileManager defaultManager] enumeratorAtPath:documentsDirectory] ;

NSString *file;
while ((file = [de nextObject]))

 if (([[file pathExtension] isEqualToString:@"mp3"])  ||  ([[file pathExtension]        isEqualToString:@"mp4"]) ||  ([[file pathExtension] isEqualToString:@"mov"]) || ([[file pathExtension] isEqualToString:@"avi"]) || ([[file pathExtension] isEqualToString:@"mkv"]))

    [test addObject:file.lastPathComponent];
    NSLog(@"%@",test);

//这将仅列出文件夹或子文件夹内的所有内容，但不列出文件夹。只需要在条件

中将字符串匹配传递给您的扩展名

如何在iOS中的文档目录中获取各种文件夹内容？

1 个答案: