Cookie 实验

Web.xml配置

  </servlet-mapping>
    <servlet>
    <servlet-name>AddCookieServlet</servlet-name>
    <servlet-class>AddCookieServlet</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>AddCookieServlet</servlet-name>
    <url-pattern>/AddCookieServlet</url-pattern>
  </servlet-mapping>

Servlet

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

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class AddCookieServlet
 */
@WebServlet("/AddCookieServlet")
public class AddCookieServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#service(HttpServletRequest request, HttpServletResponse response)
     */
    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out=response.getWriter();
        Cookie c1 =new Cookie("uname","kitty");
        Cookie c2 =new Cookie("city","beijing");
        response.addCookie(c1);
        response.addCookie(c2);
        out.close();
            
    }

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
    }

}

URL 访问地址:http://localhost:8080/Test/AddCookieServlet

Chrome 浏览器 Resources 中Cookies中的localhost 查看Cookie的值。