response中的字符流的设置案例

package com.hh.response; /**
 * @author hh
 * @version 1.0
 * @DATE 2023-09-03 13:32:10
 */

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("/resp3")
public class ResponseServlet3 extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        //字符流
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/html");
        PrintWriter writer = response.getWriter();
        writer.write("花花最棒");
        writer.write("<h1>花花最棒</h1>");
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        this.doGet(request, response);
    }
}