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info.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<h2>get 방식으로 전송</h2>
<form action="InfoServlet" method="get">
이름 : <input type="text" name="name"><br>
주소 : <input type="text" name="addr"><br>
<input type="submit" value="전송">
</form>
<br>
<h2>post 방식으로 전송</h2>
<form method="post" action="InfoServlet">
이름 : <input type="text" name="name"><br>
주소 : <input type="text" name="addr"><br>
<input type="submit" value="전송">
</form>
</body>
</html>
InfoServlet.java
package unit01;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet implementation class InfoServlet
*/
@WebServlet("/InfoServlet")
public class InfoServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public InfoServlet() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
/*
* 쿼리스트링은 각각의 값들을 개별적으로 전달해주기 때문에 아래와 같이 처리해줌
* */
response.setContentType("text/html;charset=UTF-8;");
String name = request.getParameter("name");
String addr = request.getParameter("addr");
PrintWriter out = response.getWriter();
out.print("<html><body>");
out.print("이름 : " + name + "<br>");
out.print("나이 : " + addr + "<br>");
//스크립트 처리 방식 이전으로 되돌리기
out.print("<a href='javascript:history.go(-1)'>다시</a>");
out.print("</body></html>");
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
/*
* post방식은 덩어리로 보내줌.
* */
request.setCharacterEncoding("UTF-8");
doGet(request, response);
}
}728x90
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