package priv.lwx.javaex.servlet_demo.web.servlet.request;/*** 獲取請求頭的數(shù)據(jù)** @author liaowenxiong* @date 2021/12/29 11:21*/ import javax.servlet.*; import javax.servlet.http.*; import javax.servlet.annotation.*; import java.io.IOException; import java.util.Enumeration;@WebServlet("/request_demo02") public class RequestDemo02 extends HttpServlet {@Overrideprotected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// 獲取所有的請求頭名稱Enumeration<String> headerNames = request.getHeaderNames();// 遍歷取出每個請求頭名稱while (headerNames.hasMoreElements()) {String s = headerNames.nextElement();// 根據(jù)請求頭名稱獲取對應(yīng)的值String value = request.getHeader(s);System.out.println(s + " => " + value);}}@Overrideprotected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {} } 創(chuàng)作挑戰(zhàn)賽新人創(chuàng)作獎勵來咯，堅持創(chuàng)作打卡瓜分現(xiàn)金大獎

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