利用JSP+JS+CSS+Servlet实现用户登录，保存用户名密码功能

private void rememberMe(String userName,String password,HttpServletResponse response){
Cookie cookies = new Cookie("user", userName+"-"+password);
cookies.setMaxAge(1*60*60*24*7);//1*60一分*60一小时*24一天*7一星期
response.addCookie(cookies);
}

<%
if(request.getAttribute("cookies")==null){
String userName=null;
String password=null;
Cookie[] cookiess = request.getCookies();
for(int i=0;i<cookiess.length;i++){
if(cookiess[i].getName().equals("user")){
userName = cookiess[i].getValue().split("-")[0];
password = cookiess[i].getValue().split("-")[1];
System.out.println("获取到的用户名是："+userName+" 获取到的密码是："+password);
}
}
if(userName==null){
userName="";
}
if(password==null){
password="";
}
pageContext.setAttribute("user", new User(userName,password));
}
%>