JAVA 访问WebRoot下的目录文件

ClassLoader classLoader = Thread.currentThread().getContextClassLoader();if (classLoader == null) {classLoader = ClassLoader.getSystemClassLoader();}/** * 获取到webroot里面的数据 */java.net.URL url2 = classLoader.getResource("");String ROOT_CLASS_PATH = url2.getPath() + "/";File rootFile = new File(ROOT_CLASS_PATH);String WEB_INFO_DIRECTORY_PATH = rootFile.getParent() + "/";File webInfoDir = new File(WEB_INFO_DIRECTORY_PATH);String SERVLET_CONTEXT_PATH = webInfoDir.getParent() + "/";// 这里 SERVLET_CONTEXT_PATH 就是WebRoot的路径String path = SERVLET_CONTEXT_PATH + "/" + "file/db.txt";path = path.replaceAll("%20", " ");