request.setCharacterEncoding("utf-8");//设置request编码方式 request.getLocalAddr();//获取本地IP,即服务器IP request.getLocalName();//获取本地名称,即服务器名称 request.getLocalPort();//获取本地端口号,即Tomcat端口号 request.getLocale();//用户的语言环境 request.getContextPath();//context路径 request.getMethod();//GET还是POST request.getProtocol();//协议,http协议 request.getQueryString();//查询字符串 request.getRemoteAddr();//远程IP,即客户端IP request.getRemotePort();//远程端口,即客户端端口 request.getRemoteUser();//远程用户 request.getRequestedSessionId();//客户端的Session的ID request.getRequestURI();//用户请求的URL request.getScheme();//协议头,例如http request.getServerName();//服务器名称 request.getServerPort();//服务器端口 request.getServletPath();//Servlet路径
<%@page import="java.security.Principal"%> <%@page import="java.io.BufferedReader"%> <%@page import="java.io.IOException"%> <%@page import="java.io.PrintWriter"%> <%@page import="com.thinkgem.jeesite.common.mapper.JsonMapper"%> <%@page import="com.google.common.collect.Maps"%> <%@page import="org.apache.commons.lang3.StringUtils"%> <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <%! public void getReqInfo(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html; charset = utf-8"); PrintWriter out = response.getWriter(); println(out,"<ol>"); //1. 获取请求方式、处理乱码问题 String method = request.getMethod(); //servletRequest中的方法 request.setCharacterEncoding("utf-8"); //1. 获取请求体的编码方式 String characterEncoding = request.getCharacterEncoding(); println(out,"getCharacterEncoding = " + characterEncoding); //2. get body length int contentLength = request.getContentLength(); println(out,"getContentLength = " + contentLength); //3. MIME type String mimeType = request.getContentType(); println(out,"getContentType = " + mimeType); //4. 接收请求的接口的 Internet Protocol (IP) 地址 String ip = request.getLocalAddr(); println(out,"getLocalAddr = " + ip); //5. 基于 Accept-Language 头,返回客户端将用来接受内容的首选 Locale 客户端语言环境 Locale locale = request.getLocale(); println(out,"getLocale = " + locale); //6. 所有的语言环境 Enumeration<Locale> locales = request.getLocales(); while(locales.hasMoreElements()){ Locale temp = locales.nextElement(); println(out,"\n Locales = " + temp); } //7. 接收请求的 Internet Protocol (IP) 接口的主机名 String localName = request.getLocalName(); println(out,"localName = " + localName); //8. 接收请求的接口的 Internet Protocol (IP) 端口号 int localPort = request.getLocalPort(); println(out,"localPort = " + localPort); //9. 返回请求使用的协议的名称和版本 String protocol = request.getProtocol(); println(out,"protocol = " + protocol); //10. 读取请求正文信息 BufferedReader reader = request.getReader(); println(out,"getReader = " + reader.toString()); //11. 发送请求的客户端 String remoteAddr = request.getRemoteAddr(); println(out,"RemoteAddr = " + remoteAddr); //12. 发送请求的客户主机 String remoteHost = request.getRemoteHost(); println(out,"RemoteHost = " + remoteHost); //13. 发送请求的客户主机端口 int remotePort = request.getRemotePort(); println(out,"RemotePort = " + remotePort); //14. 返回用于发出此请求的方案名称,例如:http 、 https 、 ftp String scheme = request.getScheme(); println(out,"Scheme = " + scheme); //15. 返回请求被发送到的服务器的主机名。它是Host头值":"(如果有)之前的那部分的值。 或者解析服务器名称或服务器的IP地址 String serverName = request.getServerName(); println(out,"ServerName = " + serverName); //16. 返回请求被发送到的端口。他是"Host"头值":" (如果有)之后的那部分的值,或者接受客户端连接的服务器端口。 int serverPort = request.getServerPort(); println(out,"ServerPort = " + serverPort); //17. 返回一个boolean值,指示此请求是否是使用安全通道(比如HTTPS) 发出的。 boolean secure = request.isSecure(); println(out,"isSecure = " + secure); //以上方法为 ServletRequest 接口提供的 //以下方法为 HttpServletRequest 接口提供的 /* * 18. 返回用于保护servlet的验证方法名称。 所有的servlet容器都支持 * basic、 form和client certificate验证, 并且可能还支持digest验证 */ String authType = request.getAuthType(); println(out,"authType = " + authType); //19. getDateHeader ?? request.getDateHeader(""); //20. 返回请求头包含的所有头名称的枚举。 Enumeration<String> headerNames = request.getHeaderNames(); println(out,"<hr/>"); while(headerNames.hasMoreElements()){ String name = headerNames.nextElement(); println(out," headerNmea = " + name + "; getHeader = " + request.getHeader(name)); } println(out,"<hr/>"); //21. 以int的形式返回指定请求头的值。 ??? request.getIntHeader("123"); //22. 返回与客户端发出此请求时发送的URL相关联的额外路径信息。 String pathInfo = request.getPathInfo(); println(out,"PathInfo = " + pathInfo); //23. 返回包含在请求RUL中路径后面的查询字符串。如果没有查询字符串返回null String remoteUser = request.getRemoteUser(); println(out,"RemoteUser = " + remoteUser); //24. 返回客户端制定的回话ID String requestedSessionId = request.getRequestedSessionId(); println(out,"requestSessionId = " + requestedSessionId); //25. 返回请求调用servlet的URL部分 String servletPath = request.getServletPath(); println(out,"servletPath = " + servletPath); //26. 返回与此请求关联的当前HttpSession,如果没有当前会话并且参数为true,则返回一个新会话。 HttpSession session = request.getSession(true); println(out,"getSession(true) = " + session); //27. 返回包含当前已经过验证的用户的名称的java.security.Principal对象。如果用户没有经过验证,则该方法返回null Principal userPrincipal = request.getUserPrincipal(); println(out,"userPrincipal = " + userPrincipal); //28. 检查会话的id是否作为Cook进入的 boolean sessionIdFromCookie = request.isRequestedSessionIdFromCookie(); println(out,"sessionIdFromCookie = " + sessionIdFromCookie); //29. 检查请求的会话ID是否作为请求的URL的一部分进入的 boolean sessionIdFromURL = request.isRequestedSessionIdFromURL(); println(out,"sessionIdFormURL = " + sessionIdFromURL); //30. println(out,"</ol>"); out.flush(); out.close(); } public void println(PrintWriter out,Object obj){ try { out.println("<li>"); out.println(obj); out.println("</li>\n"); } catch (Exception e) { e.printStackTrace(); } } %> <% getReqInfo(request,response); %>