用 Java 读取 Windows 文件摘要属性（标题、主题、作者）
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Reading Windows file summary properties (title, subject, author) in Java
提问by p.mesotten
If you right-click on a file in Windows and select Properties, you can manage some properties in de Summarytab, such as Title, Subject and Author, like in this example:
如果您在 Windows 中右键单击一个文件并选择Properties，您可以在 de Summary选项卡中管理一些属性，例如 Title、Subject 和 Author，如下例所示：
I'm trying to find a way to read these properties using Java. Is there a library for this? Is this even possible? Thanks in advance!
我正在尝试找到一种使用Java读取这些属性的方法。有图书馆吗？这甚至可能吗？提前致谢！
Peter
彼得
采纳答案by Michael Borgwardt
That information is stored in an NTFS Alternate Data Streamnamed "?SummaryInformation" - not sure if Java supports teh reading of ADS data via the colon notation.
该信息存储在名为“?SummaryInformation”的 NTFS备用数据流中- 不确定 Java 是否支持通过冒号表示法读取 ADS 数据。
Update:Apparently this should work:
更新：显然这应该有效：
FileInputStream in = new FileInputStream("test.txt:\u2663SummaryInformation");
You'll have to figure out the format yourself.
你必须自己弄清楚格式。
回答by Christian Kuetbach
In Java 7 it may work, but until then you have to use a native dll, to get that information.
在 Java 7 中它可能工作，但在那之前您必须使用本机 dll 来获取该信息。
