공부

[JSP] CheckBox

Codey 2023. 9. 12. 16:20
package unit09;

import java.io.IOException;
import java.io.PrintWriter;

import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class CheckboxServlet
 */
public class CheckboxServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public CheckboxServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		response.setContentType("text/html;charset=UTF-8");
		PrintWriter out = response.getWriter();
		out.print("<html><body>");
		String items[] = request.getParameterValues("item");
		if (items == null) {
		out.print("선택한 항목이 없습니다.");
		} else {
		out.println("당신이 선택한 항목입니다.<hr>");
		for (String item : items) {
		out.print(item + " "); // response 객체에 출력
		}
		}
		out.println("<br><a href='javascript:history.go(-1)'>다시</a>");
		out.print("</body></html>");
		out.close();
	}
    
	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 PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
	<h2>악세사리</h2>
	관심항목을 선택하세요.
	<hr>
	<form method="get" action="CheckboxServlet">
		<input type="checkbox" name="item" value="신발"> 신발 <input
			type="checkbox" name="item" value="가방"> 가방 <input
			type="checkbox" name="item" value="벨트"> 벨트<br> <input
			type="checkbox" name="item" value="모자"> 모자 <input
			type="checkbox" name="item" value="시계"> 시계 <input
			type="checkbox" name="item" value="쥬얼리"> 쥬얼리<br> <input
			type="submit" value="전송">
	</form>
</body>
</html>