FLEX：获取文件夹大小 [英] FLEX: getting a folder size

问题描述

  var FolderFile：File = new File（file： /// SomePath /文件夹）; 
 var FolderSize：FolderFile.size; 
  

但是，这给了我一个值为0，如何获得文件夹大小？有没有反正这样做？

Tranks

解决方案

没有办法做到这一点automagically。获取目录的大小是一个复杂的，可能是痛苦的慢操作。目录中可能有成千上万个文件，或者一个目录可能位于（慢速）网络上，更不用说磁带存储和类似的情况了。

文件系统本身并不存储目录大小信息，唯一的方法就是逐个文件地计算它，没有快捷方式。所以，你将不得不依靠你上面发布的解决方案，是的，这将是缓慢的。

I'm triying to get a folder size by doing:

var FolderFile:File = new File("file:///SomePath/Folder");
var FolderSize: FolderFile.size;

But this gives me a value of 0, how can I get the folder size? is there anyway to do this?

Tranks

解决方案

No, there's no way to do it automagically. Getting the size of the directory is a complex and potentially painfully slow operation. There could be 10s of thousands of files in a directory, or a directory could be located on a (slow?) network, not to mention tape storage and similar scenarios.

The file systems themselves don't store directory size information, and the only way to know it is to calculate it file-by-file, there's no quick/easy shortcut. So, you will have to rely on the solution you posted above, and, yes, it is going to be slow.

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