Java获取WebRoot路径下的文件
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
if (classLoader == null) {
classLoader = ClassLoader.getSystemClassLoader();
}
java.net.URL url = classLoader.getResource("");
String ROOT_CLASS_PATH = url.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() + "/";
String path = SERVLET_CONTEXT_PATH + "/" + 文件路径;
path = path.replaceAll("%20", " ");
File f = new File(path);
获取src下的fileurl.properties文件路径
this.getClass().getResource("/fileurl.properties").getPath()
【this.getClass().getResourceAsStream("/"+Basic.dll);】----jar中的class获取jar内部的资源文件,该文件打包成jar前放置在src目录下
如果文件和读取类在同一个包下,把“/”去掉【this.getClass().getResourceAsStream(Basic.dll);】
获取webRoot下的service文件夹路径
request.getSession().getServletContext().getRealPath("/service");
解决路径中包含空格
URLDecoder.decode(this.getClass().getResource("/fileurl.properties").getPath(),"utf-8")
获取jar同级目录下的文件:例如System.getProperty("user.dir")+java.io.File.separator+“文件名”
参考链接:https://www.cnblogs.com/lmq-1048498039/p/5568034.html