String Agent = Request.getHeader ("User-Agent"); StringTokenizer ST = New StringTokenizer (Agent, ";"); st.nextToken (); // Get user browser name string userbrowser = st.nextToken (); // Get the user's operating system name string useros = st.nextToken (); obtain the information of this unit can also be the case: Operating system information system.getProperty ("os.name"); // Win2003 is Win XP? System.getProperty; System.GetProperty ("os.arch"); browser: Request.getHeader ("user-agent") and send a red envelope Request.getHeader ("User-agent") Return to customers End browser version number, type
GetHeader (String Name): Get the transfer file header information defined by the HTTP protocol,
Request. getMethod (): Getting the client to send data to the server, there is GET, POST, PUT and other types.
Request. getRequesturi (): Get the client address of the issuance request string
Request. getServletPath (): File path for obtaining the script file requested by the client
Request. getServerName (): Get the name of the server
Request.getServerPort (): Get the port number of the server
Request.GetRemoteAddr (): Get the IP address of the client
Request.getRemotehost (): Get the name of the client computer, if it fails, return to the client computer IP address
Request.GetProtocol ():
Request.getHeadernages (): Returns the name of all Request Header, the result set is an Enumeration instance
Request.getHeaders: Returns all values of the Request Header of the specified name, the result set is an instance of an Enumeration class
