springboot 部署到tomcat，獲取根路徑問題。空格變為%20

String path = ResourceUtils.getURL("classpath:").getPath()+"static/upload";
System.out.println(path);
//本地開發輸出/C:/Program Files/Apache Software Foundation/Tomcat 9.0/webapps/xxx/WEB-INF/classes/static/upload
//部署到服務器輸出/C:/Program%20Files/Apache%20Software%20Foundation/Tomcat%209.0/webapps/xxx/WEB-INF/classes/static/upload
path = URLDecoder.decode(path,"utf-8");//處理空格轉化為%20
System.out.println(path);
//本地開發輸出/C:/Program Files/Apache Software Foundation/Tomcat 9.0/webapps/xxx/WEB-INF/classes/static/upload
//部署到服務器輸出/C:/Program Files/Apache Software Foundation/Tomcat 9.0/webapps/xxx/WEB-INF/classes/static/upload