cookie记住账户密码

//cookie保存路径
String autologin=request.getParameter("autologin");
String path = request.getContextPath()+"/";                   
if(autologin!=null&&autologin.equals("on")){                            
       Cookie cookie = new Cookie("user",username+"-"+password);
       cookie.setMaxAge(60 * 60 * 24 * 14);                                                       
       cookie.setPath(path);                    
       response.addCookie(cookie);
 }else{//清空cookie
       Cookie[] cookies = request.getCookies();                             
       for(int i=0;i<cookies.length;i++){
           if(cookies[i].getName().equals("user")){
                //System.out.println(cookies[i].getName() + ":" + cookies[i].getValue());  
                Cookie cookie = new Cookie(cookies[i].getName(), null);  
                cookie.setMaxAge(0);  
                cookie.setPath(path);//根据你创建cookie的路径进行填写      
                response.addCookie(cookie);
            }                                   
      } 
 }   

//页面取cookie
<%
String name=""; 
String passward=""; 
Cookie[] cookies=request.getCookies(); 
if(cookies!=null){ 
    for(int i=0;i<cookies.length;i++){ 
        if(cookies[i].getName().equals("user")){  
            name=cookies[i].getValue().split("-")[0]; 
            passward=cookies[i].getValue().split("-")[1]; 
            request.setAttribute("username",name); 
            request.setAttribute("password",passward); 
        } 
    } 
} 
%>