cookie记住账户密码 

 1 //cookie保存路径
 2 String autologin=request.getParameter("autologin");
 3 String path = request.getContextPath()+"/";                   
 4 if(autologin!=null&&autologin.equals("on")){                            
 5        Cookie cookie = new Cookie("user",username+"-"+password);
 6        cookie.setMaxAge(60 * 60 * 24 * 14);                                                       
 7        cookie.setPath(path);                    
 8        response.addCookie(cookie);
 9  }else{//清空cookie
10        Cookie[] cookies = request.getCookies();                             
11        for(int i=0;i<cookies.length;i++){
12            if(cookies[i].getName().equals("user")){
13                 //System.out.println(cookies[i].getName() + ":" + cookies[i].getValue());  
14                 Cookie cookie = new Cookie(cookies[i].getName(), null);  
15                 cookie.setMaxAge(0);  
16                 cookie.setPath(path);//根据你创建cookie的路径进行填写      
17                 response.addCookie(cookie);
18             }                                   
19       } 
20  }

 

 1 //页面取cookie
 2 <%
 3 String name=""; 
 4 String passward=""; 
 5 Cookie[] cookies=request.getCookies(); 
 6 if(cookies!=null){ 
 7     for(int i=0;i<cookies.length;i++){ 
 8         if(cookies[i].getName().equals("user")){  
 9             name=cookies[i].getValue().split("-")[0]; 
10             passward=cookies[i].getValue().split("-")[1]; 
11             request.setAttribute("username",name); 
12             request.setAttribute("password",passward); 
13         } 
14     } 
15 } 
16 %>

 

posted @ 2016-07-27 11:51  flay  阅读(334)  评论(0)    收藏  举报