JSPÓëServletµÄÏ໥ͨÐÅ·½Ê½(Ò»)

     JSPÓëServletÖ®¼äµÄ»á»°¸ú×Ù·½Ê½Óжà¸ö£¬×¢¶¨ËûÃǵÄͨÐÅ·½Ê½ÓжàÖÖ¡£
    ÏÂÃæÏÈÀ´¿´¿´4ÖлỰ¸ú×Ù·½Ê½£º
     Ò»£ºSession
     ´«ËͶˣº
      HttpSession session=request.getSession();
session.setAttribute("username","albert");
session.setAttribute("password","albert");
 
     ½ÓÊնˣº
     String username=(String)session.getAtribute("username");
String password=(String)session.getAtribute("password");
     ¶þ£ºcookie
    
     Cookie cookie=new Cookie("username","albert");
cookie.setMaxAge(24*60*60*60);
//·¢ËÍcookieµ½¿Í»§¶Ë
response.addCookie(cookie);
    
     Cookie[] cookies=request.getCookies();
for(int i=0;i<cookies.length;i++){
Cookie temp=cookie[i];
String key=temp.getName();
String value=temp.getValue();
}
     Èý£ºÒþ²Ø±íµ¥Óò
     <input type="hidden" name="username" value="albert"/>
request.getParameter("username");
     ËÄ£ºURLÖØд
     ¿Í»§¶ËHTML£º
      <form name="login" action="/LoginServlet?username=albert&password=albert">
     ·þÎñÆ÷¶ËServlet:
     String username=request.getParameter("username");
String password=request.getParameter("password");