ResourceLoader与ResourcePatternResolver

ResourceLoader源码如下：
public interface ResourceLoader {
    String CLASSPATH_URL_PREFIX = "classpath:";

    Resource getResource(String var1);

    @Nullable
    ClassLoader getClassLoader();
}

ResourcePatternResolver源码如下：

public interface ResourcePatternResolver extends ResourceLoader {
    String CLASSPATH_ALL_URL_PREFIX = "classpath*:";

    Resource[] getResources(String var1) throws IOException;
}