headersinfoservlet.java

来自「利用servlet写的用户注册登陆」· Java 代码 · 共 45 行

JAVA
45
字号
package com.tarena.serv.req;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class HeadersInfoServlet extends HttpServlet {

	@Override
	protected void doGet(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		response.setContentType("text/html;charset=gbk");
		PrintWriter out = response.getWriter();
		out.println("<html>");
		out.println("<head>");
		out.println("</head>");
		out.println("<body>");
		Enumeration names = request.getHeaderNames();
		while (names.hasMoreElements()) {
			String name = (String) names.nextElement();
			String value = request.getHeader(name);
			out.println(name + " : " + value + "<br>");
		}
		out.println("<hr>");
		out.println(request.getServletPath());
		out.println("<hr>");
		out.println(request.getPathInfo());
		out.println("</body>");
		out.println("</html>");
		out.close();
	}

	@Override
	protected void doPost(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		doGet(request, response);
	}

}

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