doget dopost 메서드 동작 코드

doget dopost 메서드 동작 코드

get post

jdk8

tomcat8.5

Dynamic Web Project 3.1

IDE : 이클립스 javaEE

package examples; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletConfig; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; @WebServlet("/LifecycleServlet") public class LifecycleServlet extends HttpServlet { private static final long serialVersionUID = 1L; // Run 서버 시작시, // LifecycleServlet 생성! // init 호출! // service 호출! public LifecycleServlet() { System.out.println("LifecycleServlet 생성!"); } @Override protected void doGet(HttpServletRequest reqest, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println(""); out.println("form"); out.println(""); out.println(""); // submit버튼이 눌렸을 때 post 메서드로 요청하라는 뜻 out.println("name : "); // input칸 넣어주는 타입은 text out.println(""); // submit버튼 out.println(""); out.println(""); out.println(""); out.close(); } @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); String name = request.getParameter("name"); out.println(" hello " + name + ""); out.close(); } public void init(ServletConfig config) throws ServletException { System.out.println("init test 호출!"); } public void destroy() { System.out.println("destroy 호출!"); // was가 종료되거나 서버가 돌아가는 중에 코드 수정시 호출 } // // protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // System.out.println("service 호출!"); // 새로고침이나 다시 접속시 service 호출 // } }

참고 강의

https://www.boostcourse.org/web326/lecture/258505/?isDesc=false

from http://purple-j.tistory.com/137 by ccl(A) rewrite - 2021-12-21 03:02:56