使用Java访问类路径中特定文件夹中的文件 [英] Accessing files in specific folder in classpath using Java

问题描述

我想在com.example.resources包中读取一堆文本文件。我可以使用以下代码读取单个文件：

I want to read a bunch of text files in com.example.resources package. I can read a single file using the following code:

InputStream is = MyObject.class.getResourceAsStream("resources/file1.txt")
InputStreamReader sReader = new InputStreamReader(is);
BefferedReader bReader = new BufferedReader(sReader);
...

有没有办法获取文件列表然后传递每个元素到 getResourceAsStream ？

Is there a way to get the listing of file and then pass each element to getResourceAsStream?

编辑：
关于ramsinb建议我改变了我的代码如下：

On ramsinb suggestion I changed my code as follow:

BufferedReader br = new BufferedReader(new InputStreamReader(MyObject.class.getResourceAsStream("resources")));
String fileName;
while((fileName = br.readLine()) != null){ 
   // access fileName 
}

推荐答案

如果您将目录传入 getResourceAsStream 方法，那么它将返回一个列出目录中的文件（或至少是它的流）。

If you pass in a directory to the getResourceAsStream method then it will return a listing of files in the directory ( or at least a stream of it).

Thread.currentThread().getContextClassLoader().getResourceAsStream(...)

我故意使用Thread来获取资源，因为它会确保我得到父类加载器。这在Java EE环境中很重要，但对于您的情况可能不会太多。

I purposely used the Thread to get the resource because it will ensure I get the parent class loader. This is important in a Java EE environment however probably not too much for your case.

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