Path issues for Java redirection and forwarding

Path problem: ① relative path and absolute path: Absolute Path:The absolute path is the path with/begins! Absolute path relative to the current server: if the server resolves, then/represents the absolute path of the current server: http://localhost:8080 relative to the absolute path of the current Web application: Represents the HTTP://LOCALHOST:8080/project name/If it is server-side resolution, generation The table is: http://localhost:8080/project name/If it is browser-side resolution, the representative is: http://localhost:8080 relative path:The path that does not begin with/begins with a relative path, relative to the path of the current Web resource directory!                          ,         &NB Sp                          ,         &NB Sp                             ② common paths:            url-pattern:            forwarding:                > These two absolute paths are parsed by the server, relative to the project's root directory               and nbsp     Host Address: Port number/project name/             REDIRECT Path:       &NBSP ;     In the actual development, we use absolute path, do not use relative path! Try not to use hard-coded way in development!             page path:                > These two paths have browser parsing, root directory relative to the server           &NBsp        /HTTP host Address: Port number/path problem:       ① relative path and absolute path:           Absolute Path: Absolute path is the path with/begins!             The absolute path to the current server: If it is a server resolution, then/represents the absolute path of the current server:http://localhost:8080    & nbsp       Absolute path relative to the current web app: http://localhost:8080/project name/              If this is a server-side resolution, the representative is: http://localhost:8080/project name/            If it is browser-side resolution, it represents:/HTTP localhost:8080            relative path: The path that does not start with/begins with a relative path, relative to the path of the current Web resource directory!         ② common paths:            url-pattern:            path to forward:> The absolute path of both is resolved by the server, relative to the project's root directory/http: port number/project name/ REDIRECT path: in the actual development, we use absolute path, do not use relative path! Try not to use hard-coded way in development! Path in page: > These two paths have browser resolution, relative to the root of the server/HTTP/host Address: Port number/

Path issues for Java redirection and forwarding