jsp获取请求头信息

 1 <%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8"%>
 2 <%
 3 String path = request.getContextPath();
 4 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
 5 %>
 6 
 7 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 8 <html>
 9   <head>
10     <base href="<%=basePath%>">    
11     <title>获取表头信息</title>
12   </head>  
13   <body>
14    <%
15     Enumeration <String> enumer=request.getHeaderNames();
16     int count=0;
17     while(enumer.hasMoreElements()){
18     count++;
19     String name=enumer.nextElement();
20     String value=request.getHeader(name);
21     if(value==null||"".equals(value)){
22         value="空字符串";
23     }
24     %>
25     <p><%=count %>  key:<%=name %>    value:<%=value %></p>
26     <% } %>
27   </body>
28 </html>

 

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