servlet向浏览器输出信息

package com.aaa.servlet;

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;
import java.util.Map;
@WebServlet("/tests")
public class IsLoginServlets extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //设置输入格式为UTF-8
        resp.setCharacterEncoding("UTF-8");
        //设置内容类型为UTF-8
        resp.setContentType("text/html;charset=utf-8");
        //获得打印流对象
        PrintWriter out = resp.getWriter();
        //此打印流对象可向浏览器输出信息
        out.write("Do");
        out.write(" you");
        out.write(" like");
        out.write(" wanyouxi?");
        //清理打印流
        out.flush();
        //冲洗
    }

}