ksy90101/LifecycleServlet.java

## LifecycleServlet.java
import java.io.IOException;
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;

    public LifecycleServlet() {
        System.out.println("LifecycleServlet 생성!");
    }

	public void init(ServletConfig config) throws ServletException {
		System.out.println("init 호출!");
	}

	public void destroy() {
		System.out.println("destroy 호출!");
	}

	@Override
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		System.out.println("service 호출!");
	}
}

## LifecycleServlet2.java
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("/LifecycleServlet2")
public class LifecycleServlet2 extends HttpServlet {
	private static final long serialVersionUID = 1L;

    public LifecycleServlet2() {
    	System.out.println("LifecycleServlet 생성!");
    }

    public void init(ServletConfig config) throws ServletException {
    	System.out.println("init 호출!");
    }

    public void destroy() {
    	System.out.println("destory 호출!");
    }

    @Override
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    	response.setContentType("text/html;charset=utf-8");
    	PrintWriter out = response.getWriter();
    	out.println("<html>");
    	out.println("<head><title>form</title></head>");
    	out.println("<body>");
    	out.println("<form method='post' action='LifecycleServlet2'>");
    	out.println("name : <input type='text' name='name'><br/>");
    	out.println("<input type='submit' value='ok'><br/>");
    	out.println("</form>");
    	out.println("</body>");
    	out.println("</html>");
    	out.close();
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    	response.setContentType("text/html;charset=utf-8");
    	PrintWriter out = response.getWriter();
    	String name = request.getParameter("name");
    	out.println("<h1>hello" + name + "</h1>");
    	out.close();
    }
}
	import java.io.IOException;
	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;

	public LifecycleServlet() {
	System.out.println("LifecycleServlet 생성!");
	}

	public void init(ServletConfig config) throws ServletException {
	System.out.println("init 호출!");
	}

	public void destroy() {
	System.out.println("destroy 호출!");
	}

	@Override
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	System.out.println("service 호출!");
	}
	}
	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("/LifecycleServlet2")
	public class LifecycleServlet2 extends HttpServlet {
	private static final long serialVersionUID = 1L;

	public LifecycleServlet2() {
	System.out.println("LifecycleServlet 생성!");
	}

	public void init(ServletConfig config) throws ServletException {
	System.out.println("init 호출!");
	}

	public void destroy() {
	System.out.println("destory 호출!");
	}

	@Override
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	response.setContentType("text/html;charset=utf-8");
	PrintWriter out = response.getWriter();
	out.println("<html>");
	out.println("<head><title>form</title></head>");
	out.println("<body>");
	out.println("<form method='post' action='LifecycleServlet2'>");
	out.println("name : <input type='text' name='name'><br/>");
	out.println("<input type='submit' value='ok'><br/>");
	out.println("</form>");
	out.println("</body>");
	out.println("</html>");
	out.close();
	}

	@Override
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	response.setContentType("text/html;charset=utf-8");
	PrintWriter out = response.getWriter();
	String name = request.getParameter("name");
	out.println("<h1>hello" + name + "</h1>");
	out.close();
	}
	}