我有一个静态类，在该类中图像被加载到 BufferedImage 对象中，如下所示：
File groundTopImageFile = new File("src/main/resources/ground - grass top.png");
现在，当我使用 Maven2 创建可执行 jar 时，一切正常，只是找不到图像文件。我检查了jar，图像文件已全部放入jar的根目录中，因此我尝试使用：
File groundTopImageFile = new File("ground - grass top.png");
但没有成功。同样这样我就不能再在 Eclipse 中使用相同的代码了。有什么办法可以让这个在 jar 和 Eclipse 中都工作吗？
这是我的 Pom.xml 文件：
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.WetWindmill</groupId>
<artifactId>Sheepness</artifactId>
<name>Sheepness</name>
<version>0.0.1-SNAPSHOT</version>
<description>Equilibrium reaction visualized with sheep :)</description>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.4</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.5.8</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.6</source>
<target>1.6</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
<id>unpack-dependencies</id>
<phase>generate-resources</phase>
<goals>
<goal>unpack-dependencies</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<mainClass>controller.Sheepness</mainClass>
<packageName>com.WetWindmill.Sheepness</packageName>
</manifest>
<manifestEntries>
<mode>under development</mode>
<url>www.WetWindmill.com/Projects/Sheepness/</url>
</manifestEntries>
</archive>
</configuration>
</plugin>
</plugins>
<resources>
<resource>
<directory>${basedir}/target/dependency</directory>
</resource>
<resource>
<directory>${basedir}/src/main/resources</directory>
</resource>
</resources>
</build>
</project>
Use ImageIO.read（输入流） http://download.oracle.com/javase/6/docs/api/javax/imageio/ImageIO.html#read%28java.io.InputStream%29并阅读InputStream using ClassLoader.getResourceAsStream().
示例代码：
String resourceName = "my/picfolder/mypic.jpg";
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
InputStream stream = classLoader.getResourceAsStream(resourceName);
BufferedImage bi = ImageIO.read(stream);
Note:
在我的代码示例中，my/picfolder是相对文件夹层次结构below src/main/resources.
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