Java/JSP&Servlet

[Servlet] 배경 색 바꾸기

퓨어맨 2022. 5. 13. 09:02
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<h1>배경색 바꾸기</h1>
	
	<form action="ex07changeBg">
		<input type = "color" name="color">
		<input type = "submit" value="변경">
	</form>
</body>
</html>

 

html 실행화면

 

 

html에 데이터 값 보낸 결과

 

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("/ex07changeBg")
public class ex07changeBg extends HttpServlet {
	private static final long serialVersionUID = 1L;

	protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		String color = request.getParameter("color");
		
		response.setContentType("text/html; charset=utf-8");
		
		PrintWriter out = response.getWriter();
		
		out.print("<html>");
		out.print("<head> </head>");
		out.print("<body bgcolor = "+color+">");
		out.print("</body>");
		out.print("</html>");
	}

}