ClassLoader.class.getResource

import java.net.URL;public class test_getResource {public static URL resource = ClassLoader.class.getResource("/");public static URL resource2 = ClassLoader.class.getResource("");/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubSystem.out.println(resource);System.out.println(resource2);}}

在Eclipse中的输出：

file:/D:/b3log130713/b3log_v2/build/classes/
null