JSP第五周-session

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>


  </head>
  
  <body>
         <%
         String pinglun=request.getParameter("pinglun"); 
       
      
          session.setAttribute("e", pinglun);
          
          
          String c=(String)session.getAttribute("c");
          String e=(String)session.getAttribute("e");
          
         %>
       用户:  <%=c %>  &nbsp;&nbsp;&nbsp;&nbsp;评论:<%=e %> <br>
         
           
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>


  </head>
  
  <body>
  <%  String user1=request.getParameter("user1");
      String mima1=request.getParameter("mima1");
      
      
      
      
      session.setAttribute("a", user1);
      session.setAttribute("b", mima1);
      
  
     
        %>
  
  
       <form action="zhanghu.jsp">
           用户名:<input type="text" name="user2"> <br><br>
           密   码:<input type="password" name="mima2"><br><br>
           <input type="submit" value="登录">
       
       </form>
  
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>

  </head>
  
  <body>
    <% String user2=request.getParameter("user2");
       String mima2=request.getParameter("mima2");
       session.setAttribute("c", user2);
       session.setAttribute("d",mima2);
       
       String a=(String)session.getAttribute("a");
       String b=(String)session.getAttribute("b");
       String c=(String)session.getAttribute("c");
       String d=(String)session.getAttribute("d");
    
       

     %>
   <%
           if(a.equals(c)&&b.equals(d)){
            if(c.equals("admin")){
           out.println("后台操作页面"+"</br>");
           out.print("管理员账号"+c+"登录密码"+d);
           }else{
             request.getRequestDispatcher("xinwen.jsp").forward(request, response);
           
           }
          
           }else{
       
             response.sendRedirect("zhuce.jsp");
          }
       
             
    %>



          
  
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>


  </head>
  
  <body>
    新闻直播间欢迎你!<br>
    <form action="xianshi.jsp">
    <input type="text" name="pinglun"><input type="submit" value="提交评论">
    </form>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>


  </head>
  
  <body>
         <%
         String pinglun=request.getParameter("pinglun"); 
       
      
          session.setAttribute("e", pinglun);
          
          
          String c=(String)session.getAttribute("c");
          String e=(String)session.getAttribute("e");
          
         %>
       用户:  <%=c %>  &nbsp;&nbsp;&nbsp;&nbsp;评论:<%=e %> <br>
         
           
  </body>
</html>

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转载自www.cnblogs.com/gsfwxj1820/p/12642392.html
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