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);
%>