JSP/SERVLET

chapter06 : request.java / request.jsp

GAWON 2023. 5. 23. 18:53 
package org.joonzis.ex;

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;

@WebServlet("/Ex06_request")
public class Ex06_request extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
   
    public Ex06_request() {
        super();
       
    }

	
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		request.setCharacterEncoding("utf-8");
		response.setContentType("text/html; charset=UTF-8");
		
		PrintWriter out = response.getWriter(); 
		
		
		out.print("<html>");
		out.print("<head>");
		out.print("<title>");
		out.print("</title>");
		out.print("</head>");
		out.print("<body>");
		
		String name = request.getParameter("name");
		String age = request.getParameter("age");
		
		out.print("<h1>");
		out.print("전달된 이름은 " + name + "이고 , 나이는" + age + "살 입니다.");
		out.print("</h1>");
		
		String q = request.getParameter("query");
		out.print("<h1>");
		out.print("전달된 값은" + q + "입니다.");
		out.print("</h1>");
		
		
		
		out.print("</body>");
		out.print("</html>");
		
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}
<%@ 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>
<script type="text/javascript">
   // 검색 내용이 없으면 "검색 내용을 입력하세요" 출력
   function send(f) {
      
      if (f.query.value == '') {
         alert("검색 내용을 입력하세요");
         return;      // 내용 입력 안 했으니까 submit() 막기
      }
      
      f.action = '/chapter03_servlet/Ex06_request';
      f.submit();
   }
</script>
</head>
<body>
   <form method="get">
      검색 <input type="text" name="query">
      <input type="button" value="전송" onclick="send(this.form)">
   </form>
</body>
</html>