读取HTTP请求头 - 编程入门网
作者 佚名技术
来源 NET编程
浏览
发布时间 2012-06-17
| uestHeaders.java
package hall;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
public class ShowRequestHeaders extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String title = "显示所有请求头";
out.println(ServletUtilities.headWithTitle(title) +
"＜BODY BGCOLOR=＼"#FDF5E6＼"＞＼n" +
"＜H1 ALIGN=CENTER＞" + title + "＜/H1＞＼n" +
"＜B＞Request Method: ＜/B＞" +
request.getMethod() + "＜BR＞＼n" +
"＜B＞Request URI: ＜/B＞" +
request.getRequestURI() + "＜BR＞＼n" +
"＜B＞Request Protocol: ＜/B＞" +
request.getProtocol() + "＜BR＞＜BR＞＼n" +
"＜TABLE BORDER=1 ALIGN=CENTER＞＼n" +
"＜TR BGCOLOR=＼"#FFAD00＼"＞＼n" +
"＜TH＞Header Name＜TH＞Header Value");
Enumeration headerNames = request.getHeaderNames();
while(headerNames.hasMoreElements()) {
String headerName = (String)headerNames.nextElement();
out.println("＜TR＞＜TD＞" + headerName);
out.println(" ＜TD＞" + request.getHeader(headerName));
}
out.println("＜/TABLE＞＼n＜/BODY＞＜/HTML＞");
}
public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
} |
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