幾種方法的調用：

package com.stono.servlet;import java.io.IOException; import java.util.Enumeration; import javax.servlet.ServletException; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse;public class TestServlet2 extends HttpServlet {private static final long serialVersionUID = 1L;@Overrideprotected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException,IOException {System.out.println("do get method called!");}@Overrideprotected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException,IOException {String method = req.getMethod();System.out.println("method is " + method);Enumeration<String> headerNames = req.getHeaderNames();int i = 0;while (headerNames.hasMoreElements()) {String nextElement = headerNames.nextElement();String header = req.getHeader(nextElement);System.out.println(++i + ":" + nextElement + ":" + header);}System.out.println("===============COOKIE================");Cookie[] cookies = req.getCookies();for (Cookie cookie : cookies) {System.out.println(cookie);cookie.getName();cookie.getValue();cookie.getVersion();}System.out.println("================Remote===================");String remoteAddr = req.getRemoteAddr();String remoteHost = req.getRemoteHost();int remotePort = req.getRemotePort();String remoteUser = req.getRemoteUser();System.out.println(remoteAddr);System.out.println(remoteHost);System.out.println(remotePort);System.out.println(remoteUser);System.out.println("================Server===================");String serverName = req.getServerName();int serverPort = req.getServerPort();String servletPath = req.getServletPath();System.out.println(serverName);System.out.println(serverPort);System.out.println(servletPath);System.out.println("================Local===================");String localAddr = req.getLocalAddr();String localName = req.getLocalName();int localPort = req.getLocalPort();System.out.println(localAddr);System.out.println(localName);System.out.println(localPort);System.out.println("do post method called");String[] strings = req.getParameterValues("txt1");System.out.println(strings.length);for (String string : strings) {System.out.println(string);}} }

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總結

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