session 实现保存用户信息

index.jsp

 1 <body>
 2     <div style="margin: 0 auto; width: 500px; text-align: center;">
 3         <img alt="图片" src="logo.jpg" width="200px">
 4         <h1>绿叶网上书店系统</h1>
 5         <form method="post" action="doLogin.jsp">
 6             用户名：<input type="text" name="userName"><br>
 7             查　询：<input type="password" name="pwd"><br>
 8             <input type="submit" value="提交">
 9             <input type="reset" value="取消">
10         </form>
11     </div>
12 </body>

doLogin.jsp

 1 <body>
 2     <%
 3         request.setCharacterEncoding("UTF-8");
 4         String name = request.getParameter("userName");
 5         String pwd = request.getParameter("pwd");
 6         if("admini".equals(name.trim()) && "admini".equals(pwd.trim())){
 7             session.setAttribute("name", name);
 8             session.setAttribute("pwd", pwd);
 9             response.sendRedirect("showLoginInfo.jsp");
10         }
11     %>
12 </body>

show.jsp

1 <body>
2     <%
3         String name = (String)session.getAttribute("name");
4         String pwd = (String)session.getAttribute("pwd");
5         out.print("欢迎 "+name+" 登录成功！！！！ 用户密码为："+pwd);
6     %>
7 </body>

posted @ 2015-04-10 15:47 爱白菜的小昆虫阅读(507) 评论(0) 收藏举报

刷新页面返回顶部