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 <?php
 class DB
 {
  private $link;
  function connectDB($dbhost, $dbuser, $dbpw, $dbname="", $pconnect = 1)
  {
   if($pconnect)
   {
    if(!$this->link = mysql_pconnect($dbhost, $dbuser, $dbpw))
    {
     $this->mysqlErrorMessage('Can not connect to MySQL');
    }
   }
   else
   {
    if(!$this->link = mysql_connect($dbhost, $dbuser, $dbpw))
    {
     $this->mysqlErrorMessage('Can not connect to MySQL');
    }
   }
   
   if(!empty($dbname))
   {
    mysql_select_db($dbname,$this->link);
   }
   mysql_query("set names 'gb2312'",$this->link);
  }
  
  function selectDB($dbName)
  {
   mysql_select_db($dbName,$this->link);
  }
  
  function query($sql)
  {
  
   if(!($query = mysql_query($sql,$this->link)))
   {
    $this->mysqlErrorMessage('SQL Error',$sql);
   } 
   return $query;
  }
  function mysqlErrorMessage($errorTitle,$errorContent)
  {
   echo $errorTitle." : ".$errorContent."<br>";
  }
    
  function fetchArray($query)
  {
   return mysql_fetch_array($query);
  }
  function fetchObject($query)
  {
   return mysql_fetch_object($query);
  }
  function closeDB()
  {
   mysql_clos


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