Java ways to get a server path

1. Get to ServletContext in the JSF environment:

12	ServletContext sc = (ServletContext)FacesContext.        getCurrentInstance().getExternalContext().getContext();

2. Get project absolute path in servlet

12	String filePath=this.getServletConfig().        getServletContext().getRealPath("/");

Absolute path for root directory
Request.getservletpath ();
Absolute path to File
Request.getsession (). Getservletcontext (). Getrealpath (Request.getrequesturi ())
Absolute path to the current web App
Servletconfig.getservletcontext (). Getrealpath ("/");
3. Get the server path in JSP

12345

string contextpath = Request.getcontextpath ();    string Realpath = Request.getsession ().                   getservletcontext (). Getrealpath ( " /" );    string basepath = Request.getscheme () + "://" + Request.getservername () + +                  request.getserverport () +contextpath+ "/" ;

Description
ContextPath = "/project name"; Gets the relative path of the project
Realpath = F:\tomcat_home\webapps\ project name \//Gets the absolute path of the project
BasePath = http://localhost:8080/Project name///Get the access address of the service
4, ServletContext object to obtain several ways

123	Javax.servlet.http.HttpSession.getServletContext() Javax.servlet.jsp.PageContext.getServletContext()Javax.servlet.ServletConfig.getServletContext()

Absolute path to File
Request.getsession (). Getservletcontext (). Getrealpath (Request.getrequesturi ())
Absolute path to the current web App
Servletconfig.getservletcontext (). Getrealpath ("/");

Java ways to get a server path