Java read and Write cookie recording method _java

This article illustrates the Java method for reading and writing Cookie records. Share to everyone for your reference. Specifically as follows:

Write cookies, the value of the cookie can make string, list, Map,int:

Cookie Usernamecookie = new Cookie ("Username_" + SchoolID, encodedusername);
Usernamecookie.setmaxage * 365);
Response.addcookie (Usernamecookie);
Set usericookie--for Heart education guess you like the course
Cookie useridcookie = new Cookie ("userid_" + SchoolID, userId);
Useridcookie.setmaxage * 365);
Response.addcookie (Useridcookie);

Read cookies:

HttpServletRequest request = ((servletrequestattributes) requestcontextholder.getrequestattributes ()). GetRequest () ;
String Userid=null;
cookie[] cookies = request.getcookies ();
Cookies are not empty, then clear
if (cookies!=null)
{for
 (Cookie cookietemp:cookies) {
   String cookieidentity = Cookietemp.getname ();
   Find identity String
   if (cookieidentity.equals ("Userid_" +schoolid))
   {
    userid=cookietemp.getvalue ();
   }
 }
}

I hope this article will help you with your Java programming.