request的相关方法

下面是浏览器地址栏中的URL地址，用jsp的request的相关方法打印出一些浏览器的访问信息。
http://172.20.2.15:8080/jsp-examples/snp/snoop.jsp?name=tom&password=34234234
                                     
Request Context: /jsp-examples                               request.getContextPath()
JSP Request Method: GET                                     request.getMethod()  
Request URI: /jsp-examples/snp/snoop.jsp               request.getRequestURI()  
Request Protocol: HTTP/1.1                                   request.getProtocol()
Servlet path: /snp/snoop.jsp                                    request.getServletPath()
Path info: null                                                        request.getPathInfo())
Query string: name=tom&password=34234234        request.getQueryString())
Content length: -1                                                 request.getContentLength()
Content type: null                                                  request.getContentType()
Server name: 172.20.2.15                                     request.getServerName()
Server port: 8080                                                 request.getServerPort()
Remote user: null                                                  request.getRemoteUser()
Remote address: 172.20.2.15                                 request.getRemoteAddr()
Remote host: 172.20.2.15                                      request.getRemoteHost())
Authorization scheme: null                                     request.getAuthType()
Locale: zh_CN                                                      request.getLocale() The browser you are using is Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727) request.getHeader("User-Agent")