昨天和今天把 内容、小类、大类基本弄完了，主页INDEX弄了一下，感觉也差不多，突然觉得没有什么干劲了。还有很多细节需要完善。

<?php
class clslogin
{
 var $func;
 function clslogin($do)
 {
  switch ($do)
        {
         case "login": www.shengfang.org
          $this->login();
          break;
         case "logout":
          $this->logout();
          break;
         case "chk":
          $this->chk();
          break;
        }
  } www.shengfang.org
 function login()
 {
  $redirect=$HTTP_REFERER;
  $login_sess[addr]=$redirect;
  global $tools; www.shengfang.org
  $tools->index();
  //require"./doc/header.html";
  require"./doc/login.html";
  }
 function logout()
 {
  global $tools;
  session_unregister("login_sess");
  $tools->index();
  //require"./doc/header.html";
     $tools->GoIn("./","退出成功,请返回"); 
  } www.shengfang.org
 function chk()
 {
  global $tools,$login_sess,$db;
  //$login_sess=$_SESSION["login_sess"];
  $name=trim($name);
  $pass=trim($pass);
  $username=$_POST["user www.shengfang.org name"];
  $password=$_POST["password"];
  $username_=$db->GetParam("username");
        $password_=$db->GetParam("password");
        //require"./doc/header.html";
        $tools->index();
  if($username!=$username_||$password!=$password_)
  {
     $tools->GoIn("index.php?action=islogin","登陆失败，请返回");
     exit;
   } www.shengfang.org
  $login_sess["name"]=$username;
  $login_sess["pass"]=$password;
  $tools->GoIn("$login_sess[addr]","登陆成功,请返回");
  }
}
?> www.shengfang.org