Spring MVC/서블릿

[Spring MVC] 서블릿 - HTTP 응답 데이터 (단순 텍스트, HTML)

Boradoris 2023. 1. 26. 21:47

HTTP 응답 데이터 - 단순 텍스트, HTML

HTTP 응답 메시지는 주로 다음 내용을 담아서 전달한다.

  • 단순 텍스트 응답
    • 앞에서 살펴봄 ( writer.println("ok"); )
  • HTML 응답
  • HTTP API - MessageBody JSON 응답

 

HttpServletResponse - HTML 응답

 

hello.servlet.web.response.ResponseHtmlServlet

package hello.servlet.basic.response;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

@WebServlet(name = "responseHtmlServlet", urlPatterns = "/response-html")
public class ResponseHtmlServlet extends HttpServlet {

    @Override
    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        //Content-Type : text/html;charset=utf-8
        response.setContentType("text/html");
        response.setCharacterEncoding("utf-8");

        PrintWriter writer = response.getWriter();
        writer.println("<html>");
        writer.println("<body>");
        writer.println("  <div>안녕?</div>");
        writer.println("</body>");
        writer.println("</html>");
    }
}

 

HTTP 응답으로 HTML을 반환할 때는 content-type을 text/html로 지정해야 한다.

 

실행

  • http://localhost:8080/response-html
  • 페이지 소스보기를 사용하면 결과 HTML을 확인할 수 있다.

 


출처 : https://www.inflearn.com/course/%EC%8A%A4%ED%94%84%EB%A7%81-mvc-1