从 Java 访问 gradle 资源
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Accessing gradle resources from Java
提问by magomar
I have a gradle-based java project with this structure
我有一个具有这种结构的基于 gradle 的 java 项目
.
├── myproject
│ ├── src
│ | └── main
│ | ├── java
│ | └── resources
│ | └── myresource.xml
| ├── build
| | ├── classes
| | | └── main
│ | | └── myresource.xml
| | ├── resources
I'm trying to access some files in the resourcesfolder using a ClassLoader, like this
我正在尝试使用类加载器访问资源文件夹中的某些文件，如下所示
ClassLoader.getSystemClassLoader().getResoure("/myresource.xml");
but it does not find the file.
但它没有找到该文件。
The only way I have found to access those files is by exploring the known structure of the project
我发现访问这些文件的唯一方法是探索项目的已知结构
Path resourcesPath= FileSystems.getDefault().getPath(System.getProperty("user.dir"), "/src/main/resources/");
Any idea on what am I doing wrong?
知道我做错了什么吗？
采纳答案by magomar
Well, it seems my difficulties came from another problem (resources not being copied to the proper places). Once I solved that problem, the ClassLoader was able to find my resources using either of these two forms:
好吧，看来我的困难来自另一个问题（资源没有被复制到适当的地方）。一旦我解决了这个问题，ClassLoader 就能够使用以下两种形式之一找到我的资源：
ClassLoader.getSystemClassLoader().getResource("./myresource.xml");
ClassLoader.getSystemClassLoader().getResource("myresource.xml");
Edit:When using the jar embedded in other applications, the former solution do not work, use this in that case:
编辑：当使用嵌入在其他应用程序中的 jar 时，以前的解决方案不起作用，在这种情况下使用它：
Thread.currentThread().getContextClassLoader().getResource("myresource.xml")
回答by Radim
http://docs.oracle.com/javase/7/docs/api/java/lang/Class.html#getResource(java.lang.String)
http://docs.oracle.com/javase/7/docs/api/java/lang/Class.html#getResource(java.lang.String)
For example something like MyMain.class.getResource("/config.txt")or use relative path when appropriate.
例如，MyMain.class.getResource("/config.txt")在适当的时候类似或使用相对路径。
回答by u10914959
Maybe you should use it this way:
也许你应该这样使用它：
Thread.currentThread().getContextClassLoader().getResource("myresource.xml")
If i use ClassLoader.getSystemClassLoader().getResource("myresource.xml")
如果我使用 ClassLoader.getSystemClassLoader().getResource("myresource.xml")
When I use it as a jar package embedded in other applications, I still have no access to resources.
当我将其作为嵌入其他应用程序的jar包使用时，我仍然无法访问资源。
