获取request的变量
2024-06-13 09:02:41
由于IP代码未实现，先注释掉。
1 package com.helloweenvsfei.servlet;
2
3 import java.io.IOException;
4 import java.io.PrintWriter;
5 import java.security.Principal;
6 import java.util.Locale;
7
8 import javax.servlet.ServletException;
9 import javax.servlet.http.HttpServlet;
10 import javax.servlet.http.HttpServletRequest;
11 import javax.servlet.http.HttpServletResponse;
12
13 public class RequestServlet extends HttpServlet {
14
15 private String getAccept(String accept) {
16 StringBuffer buffer = new StringBuffer();
17 if (accept.contains("image/gif"))
18 buffer.append("GIF文件,");
19 if (accept.contains("image/x-xbitmap"))
20 buffer.append("BPM文件,");
21 if (accept.contains("image/jpeg"))
22 buffer.append("JPG文件");
23 if (accept.contains("application/vnd.ms-excel"))
24 buffer.append("Excel 文件, ");
25 if (accept.contains("application/vnd.ms-powerpoint"))
26 buffer.append("PPT 文件, ");
27 if (accept.contains("application/msword"))
28 buffer.append("Word 文件, ");
29 return buffer.toString().replaceAll(", $", "");
30 }
31
32 private String getLocale(Locale locale) {
33 if (Locale.SIMPLIFIED_CHINESE.equals(locale))
34 return "简体中文";
35 if (Locale.TRADITIONAL_CHINESE.equals(locale))
36 return "繁体中文";
37 if (Locale.ENGLISH.equals(locale))
38 return "英文";
39 if (Locale.JAPANESE.equals(locale))
40 return "日文";
41 return "未知语言环境";
42 }
43
44 // private String getAddress(String ip){
45 // return IpUtil.getIpAddress(ip);
46 // }
47
48 private String getNavigator(String userAgent) {
49 if (userAgent.indexOf("TencentTraveler") > 0)
50 return "腾讯浏览器";
51 if (userAgent.indexOf("Maxthon") > 0)
52 return "Maxthon浏览器";
53 if (userAgent.indexOf("MyIE2") > 0)
54 return "MyIE2浏览器";
55 if (userAgent.indexOf("Firefox") > 0)
56 return "Firefox浏览器";
57 if (userAgent.indexOf("MSIE") > 0)
58 return "IE 浏览器";
59 return "未知浏览器";
60 }
61 private String getOS(String userAgent){
62 if(userAgent.indexOf("Windows NT 5.1") > 0) return "Windows XP";
63 if(userAgent.indexOf("Windows 98") > 0) return "Windows 98";
64 if(userAgent.indexOf("Windows NT 5.0") > 0) return "Windows 2000";
65 if(userAgent.indexOf("Linux") > 0) return "Linux";
66 if(userAgent.indexOf("Unix") > 0) return "Unix";
67 return "未知";
68 }
69 public void doGet(HttpServletRequest request,HttpServletResponse response)
70 throws ServletException,IOException{
71 request.setCharacterEncoding("UTF-8");
72 response.setCharacterEncoding("UTF-8");
73
74 response.setContentType("text/html");
75
76 String authType = request.getAuthType();
77 String localAddr = request.getLocalAddr();
78 Locale locale = request.getLocale();
79 String localName = request.getLocalName();
80 String contextPath = request.getContextPath();
81 int localPort = request.getLocalPort();
82 String method = request.getMethod();
83 String pathInfo = request.getPathInfo();
84 String pathTranslated = request.getPathTranslated();
85 String protocol = request.getProtocol();
86 String queryString = request.getQueryString();
87 String remoteAddr = request.getRemoteAddr();
88 int port = request.getRemotePort();
89 String remoteUser = request.getRemoteUser();
90 String requestedSessionId = request.getRequestedSessionId();
91 String requestURI = request.getRequestURI();
92 StringBuffer requestURL = request.getRequestURL();
93 String scheme = request.getScheme();
94 String serverName = request.getServerName();
95 int serverPort = request.getServerPort();
96 String servletPath = request.getServletPath();
97 Principal userPrincipal = request.getUserPrincipal();
98
99 String accept = request.getHeader("accept");
100 String referer = request.getHeader("referer");
101 String userAgent = request.getHeader("user-agent");
102
103 String serverInfo = this.getServletContext().getServerInfo();
104
105 PrintWriter out = response.getWriter();
106 out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
107 out.println("<HTML>");
108
109 // 这里<title></title>之间的信息在浏览器中显示为标题
110 out.println(" <HEAD><TITLE>Request Servlet</TITLE></HEAD>");
111 out.println(" <style>body, font, td, div {font-size:12px; line-height:18px; }</style>");
112 out.println(" <BODY>");
113
114 out.println("<b>您的IP为</b> " + remoteAddr + "<b>；您使用</b> " + getOS(userAgent) + " <b>操作系统</b>，" + getNavigator(userAgent) + " <b>。您使用</b> " + getLocale(locale) + "。<br/>");
115 out.println("<b>服务器IP为</b> " + localAddr + "<b>；服务器使用</b> " + serverPort + " <b>端口，您的浏览器使用了</b> " + port + " <b>端口访问本网页。</b><br/>");
116 out.println("<b>服务器软件为</b>：" + serverInfo + "。<b>服务器名称为</b> " + localName + "。<br/>");
117 out.println("<b>您的浏览器接受</b> " + getAccept(accept) + "。<br/>");
118 out.println("<b>您从</b> " + referer + " <b>访问到该页面。</b><br/>");
119 out.println("<b>使用的协议为</b> " + protocol + "。<b>URL协议头</b> " + scheme + "，<b>服务器名称</b> " + serverName + "，<b>您访问的URI为</b> " + requestURI + "。<br/>" );
120 out.println("<b>该 Servlet 路径为</b> " + servletPath + "，<b>该 Servlet 类名为</b> " + this.getClass().getName() + "。<br/>");
121 out.println("<b>本应用程序在硬盘的根目录为</b> " + this.getServletContext().getRealPath("") + "，<b>网络相对路径为</b> " + contextPath + "。 <br/>");
122
123 out.println("<br/>");
124
125 out.println("<br/><br/><a href=" + requestURI + "> 点击刷新本页面 </a>");
126
127 out.println(" </BODY>");
128 out.println("</HTML>");
129 out.flush();
130 out.close();
131 }
132 }RequestServlet.java
<?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"><servlet><servlet-name>FirstServlet</servlet-name><servlet-class>com.helloweenvsfei.servlet.FirstServlet</servlet-class><init-param><param-name>message</param-name><param-value>welcome to FirstServlet</param-value></init-param><init-param><param-name>encoding</param-name><param-value>utf-8</param-value></init-param><load-on-startup>1</load-on-startup></servlet><servlet><servlet-name>RequestServlet</servlet-name><servlet-class>com.helloweenvsfei.servlet.RequestServlet</servlet-class></servlet><servlet-mapping><servlet-name>FirstServlet</servlet-name><url-pattern>/servlet/FirstServlet</url-pattern><url-pattern>/servlet/FirstServlet.asp</url-pattern><url-pattern>/servlet/FirstServlet.php</url-pattern><url-pattern>/servlet/FirstServlet.jsp</url-pattern><url-pattern>/servlet/FirstServlet.aspx</url-pattern></servlet-mapping><servlet-mapping><servlet-name>RequestServlet</servlet-name><url-pattern>/servlet/RequestServlet</url-pattern></servlet-mapping> </web-app>
web.xml
转载于:https://www.cnblogs.com/ys-wuhan/p/5893166.html
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