How to write the ip address and port number in web.xml? And extract it from servlet, thank you.

& ltservlet & gt

& ltservlet-name & gt； NtscServerStart & lt/servlet-name & gt；

& ltservlet-class & gt； ..........& lt/servlet-class & gt；

& ltinit-param >

& ltparam-name & gt； ip & lt/param-name & gt；

& lt parameter value & gt192.168.1.1< /param-value & gt；

& lt/init-param & gt；

& ltinit-param >

& ltparam-name & gt； Port & lt/param-name > //Port number

& lt parameter value & gt & gt8080 & lt/param-value & gt；;

& lt/init-param & gt；

& lt/servlet & gt；

< servlet mapping > < servlet-name >; NtscServerStart & lt/servlet-name & gt； & lturl mode & gt/NtscServerStart & lt； /URL-pattern & gt； & lt/servlet-mapping & gt； & lt welcome file list & gt& lt welcome file & gtindex.jsp & lt/welcome-file > & lt/welcome-file-list & gt；

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