Cookie——项目实战：运用Cookie技术，显示用户上次登录的时间

最新推荐文章于 2023-04-28 19:20:19 发布

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最新推荐文章于 2023-04-28 19:20:19 发布 · 2.1k 阅读

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#cookie #技术

<span style="font-size:18px;">package MyFirstservlet;

import java.io.*;
import java.util.Date;
import javax.servlet.*;
import javax.servlet.http.*;

 public class FirstServlet extends HttpServlet {
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		
		response.setCharacterEncoding("utf-8");
		response.setContentType("text/html charset=utf-8");
		PrintWriter out = response.getWriter();
		       
		out.println("<h1 style='color:red'>开源</h1><br/>");
        out.println("<font color='green'>单身狗，欢迎你！</font><br/>");
        // 提交的表单
        out.println("<form action='/Myservlet/yy' method='post'>");
        out.println("姓 名:<input type='text' name='username'/><br/>");
        out.println("密 码:<input type='password' name='password'/><br/>");
        out.println("<input type='submit' value='登陆'>");
        out.println("</form>");
		 
	}
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		this.doGet(request, response);
	}
}
++++++++++++++++++++++++++++++++++++++++++++++++++++++++
package MyFirstservlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class success extends HttpServlet {

    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws S