Use a cookie from a servlet to get a user's last access time

Solve Tomcat use cookie Chinese garbled problem, javaweb novice

1  Public classCookieTestextendsHttpServlet {2 3 4      Public voiddoget (httpservletrequest request, httpservletresponse response)5             throwsservletexception, IOException {6         7String currentdate =mcurrentdate ();8String date =NULL;9         Tencookie[] Cookies =getcookies (request); One          A         if(Cookies = =NULL){ -Date = "Welcome to the station, current time:" +currentdate; -}Else { the              for(Cookie cookie:cookies) { -                 //decode Urldecoder.decode (Cookies[i].getname (), "Utf-8") -System.out.println (Urldecoder.decode (Cookie.getname (), "Utf-8")  -+ "=" + (Urldecoder.decode (Cookie.getvalue (), "Utf-8")))); +                  -                 if("Lasttime". Equals (Urldecoder.decode (Cookie.getname (), "Utf-8"))){ +Date = "Last access time:" + Urldecoder.decode (Cookie.getvalue (), "Utf-8"); A}Else { atDate = "Welcome to the station, current time:" +currentdate; -                 } -             } -              -             //coded Urlencoder.encode (currentdate, "Utf-8"); -Setcookie (Urlencoder.encode (currentdate, "Utf-8"), response); in         } -          toResponse.setcontenttype ("Text/html;charset=utf-8"); +Response.getoutputstream (). Write (Date.getbytes ("Utf-8")); -  the     } *      $     /**Panax Notoginseng * Get current time -      * @return the      */ +      PublicString mcurrentdate () { ADate Date =NewDate (); theSimpleDateFormat DateFormat =NewSimpleDateFormat ("yyyy mm month DD Day HH:MM:SS"); +         returnDateformat.format (date); -     } $      $     /** - * Set Cookies -      * @paramcurrentdate Current Time the      * @paramResponse HttpServletResponse -      */Wuyi      Public voidSetcookie (String currentdate,httpservletresponse response) { theCookie cookie =NewCookie ("Lasttime",NULL); -Cookie.setmaxage (60*60*24*30); Wu Cookie.setvalue (currentdate); - Response.addcookie (cookie); About     } $      -     /** - * Get Cookies -      * @paramRequest HttpServletRequest A      * @returnCookie Collection +      */ the      Publiccookie[] GetCookies (HttpServletRequest request) { -         returnrequest.getcookies (); $     } the}

Use a cookie from a servlet to get a user's last access time