if (!defined('DITAN_ECS')){  die('Hacking attempt');}class cls_mysql{  var $link_id  = NULL;  var $settings  = array();  var $queryCount = 0;  var $queryTime = '';  var $queryLog  = array();  var $max_cache_time = 300; // 最大的緩存時間，以秒為單位  var $cache_data_dir = 'temp/query_caches/';  var $root_path   = '';  var $error_message = array();  var $platform    = '';  var $version    = '';  var $dbhash     = '';  var $starttime   = 0;  var $timeline    = 0;  var $timezone    = 0;  // 事務(wù)指令數(shù)  protected $transTimes = 0;  var $mysql_config_cache_file_time = 0;  var $mysql_disable_cache_tables = array(); // 不允許被緩存的表，遇到將不會進行緩存  function __construct($dbhost, $dbuser, $dbpw, $dbname = '', $charset = 'gbk', $pconnect = 0, $quiet = 0)  {    $this->cls_mysql($dbhost, $dbuser, $dbpw, $dbname, $charset, $pconnect, $quiet);  }  function cls_mysql($dbhost, $dbuser, $dbpw, $dbname = '', $charset = 'gbk', $pconnect = 0, $quiet = 0)  {    if (defined('EC_CHARSET'))    {      $charset = strtolower(str_replace('-', '', EC_CHARSET));    }    if (defined('ROOT_PATH') && !$this->root_path)    {      $this->root_path = ROOT_PATH;    }    if ($quiet)    {      $this->connect($dbhost, $dbuser, $dbpw, $dbname, $charset, $pconnect, $quiet);    }    else    {      $this->settings = array(                  'dbhost'  => $dbhost,                  'dbuser'  => $dbuser,                  'dbpw'   => $dbpw,                  'dbname'  => $dbname,                  'charset' => $charset,                  'pconnect' => $pconnect                  );    }  }  function connect($dbhost, $dbuser, $dbpw, $dbname = '', $charset = 'utf8', $pconnect = 0, $quiet = 0)  {    if ($pconnect)    {      $this->link_id = new mysqli('p:'.$dbhost, $dbuser, $dbpw);      if ($this->link_id->connect_error)      {        if (!$quiet)        {          $this->ErrorMsg("Can't pConnect MySQL Server($dbhost)!");        }        return false;      }    }    else    {      $this->link_id = new mysqli($dbhost, $dbuser, $dbpw);      if ($this->link_id->connect_error)      {        if (!$quiet)        {          $this->ErrorMsg("Can't Connect MySQL Server($dbhost)!");        }        return false;      }    }    $this->dbhash = md5($this->root_path . $dbhost . $dbuser . $dbpw . $dbname);    $this->version = $this->link_id->server_version;    /* 對字符集進行初始化 */    $this->link_id->set_charset($charset);        $this->link_id->query("SET sql_mode=''");    $sqlcache_config_file = $this->root_path . $this->cache_data_dir . 'sqlcache_config_file_' . $this->dbhash . '.php';    @include($sqlcache_config_file);    $this->starttime = time();    if ($this->max_cache_time && $this->starttime > $this->mysql_config_cache_file_time + $this->max_cache_time)    {      if ($dbhost != '.')      {        $result = $this->link_id->query("SHOW VARIABLES LIKE 'basedir'");        $row = $result->fetch_array(MYSQLI_ASSOC);        $result->free();        if (!empty($row['Value']{1}) && $row['Value']{1} == ':' && !empty($row['Value']{2}) && $row['Value']{2} == "/")        {          $this->platform = 'WINDOWS';        }        else        {          $this->platform = 'OTHER';        }      }      else      {        $this->platform = 'WINDOWS';      }      if ($this->platform == 'OTHER' &&        ($dbhost != '.' && strtolower($dbhost) != 'localhost:3306' && $dbhost != '127.0.0.1:3306') ||        date_default_timezone_get() == 'UTC')      {        $result = $this->link_id->query("SELECT UNIX_TIMESTAMP() AS timeline, UNIX_TIMESTAMP('" . date('Y-m-d H:i:s', $this->starttime) . "') AS timezone");        $row = $result->fetch_array(MYSQLI_ASSOC);        $result->free();        if ($dbhost != '.' && strtolower($dbhost) != 'localhost:3306' && $dbhost != '127.0.0.1:3306')        {          $this->timeline = $this->starttime - $row['timeline'];        }        if (date_default_timezone_get() == 'UTC')        {          $this->timezone = $this->starttime - $row['timezone'];        }      }      $content = '<' . "?php/r/n" .            '$this->mysql_config_cache_file_time = ' . $this->starttime . ";/r/n" .            '$this->timeline = ' . $this->timeline . ";/r/n" .            '$this->timezone = ' . $this->timezone . ";/r/n" .            '$this->platform = ' . "'" . $this->platform . "';/r/n?" . '>';      @file_put_contents($sqlcache_config_file, $content);    }    /* 選擇數(shù)據(jù)庫 */    if ($dbname)    {            if ($this->link_id->select_db($dbname) === false )      {        if (!$quiet)        {          $this->ErrorMsg("Can't select MySQL database($dbname)!");        }        return false;      }      else      {        return true;      }    }    else    {      return true;    }  }  function select_database($dbname)  {    return $this->link_id->select_db($dbname);  }  function set_mysql_charset($charset)  {    if (in_array(strtolower($charset), array('gbk', 'big5', 'utf-8', 'utf8')))    {      $charset = str_replace('-', '', $charset);    }    $this->link_id->set_charset($charset);  }  function fetch_array($query, $result_type = MYSQLI_ASSOC)  {    $row = $query->fetch_array($result_type);    $query->free();    return $row;  }  function query($sql, $type = '')  {    if ($this->link_id === NULL)    {      $this->connect($this->settings['dbhost'], $this->settings['dbuser'], $this->settings['dbpw'], $this->settings['dbname'], $this->settings['charset'], $this->settings['pconnect']);      $this->settings = array();    }    if ($this->queryCount++ <= 99)    {      $this->queryLog[] = $sql;    }    if ($this->queryTime == '')    {      if (PHP_VERSION >= '5.0.0')      {        $this->queryTime = microtime(true);      }      else      {        $this->queryTime = microtime();      }    }    /* 當當前的時間大于類初始化時間的時候，自動執(zhí)行 ping 這個自動重新連接操作 */    if (time() > $this->starttime + 1)    {      $this->link_id->ping();    }    if (!($query = $this->link_id->query($sql)) && $type != 'SILENT')    {      $this->error_message[]['message'] = 'MySQL Query Error';      $this->error_message[]['sql'] = $sql;      $this->error_message[]['error'] = $this->link_id->error;      $this->error_message[]['errno'] = $this->link_id->errno;      $this->ErrorMsg();      return false;    }    if (defined('DEBUG_MODE') && (DEBUG_MODE & 8) == 8)    {      $logfilename = $this->root_path . DATA_DIR . '/mysql_query_' . $this->dbhash . '_' . date('Y_m_d') . '.log';      $str = $sql . "/n/n";      if (PHP_VERSION >= '5.0')      {        file_put_contents($logfilename, $str, FILE_APPEND);      }      else      {        $fp = @fopen($logfilename, 'ab+');        if ($fp)        {          fwrite($fp, $str);          fclose($fp);        }      }    }    return $query;  }  function affected_rows()  {    return $this->link_id->affected_rows;  }  function error()  {    return $this->link_id->error;  }  function errno()  {    return $this->link_id->errno;  }  function result($query, $row)  {    $query->data_seek($row);    $result = $query->fetch_row();    $query->free();    return $result;  }  function num_rows($query)  {    return $query->num_rows;  }  function num_fields($query)  {    return $this->link_id->field_count;  }  function free_result($query)  {    return $query->free();  }  function insert_id()  {    return $this->link_id->insert_id;  }  function fetchRow($query)  {    return $query->fetch_assoc();  }  function fetch_fields($query)  {    return $query->fetch_field();  }  function version()  {    return $this->version;  }  function ping()  {    return $this->link_id->ping();  }  function escape_string($unescaped_string)  {    return $this->link_id->real_escape_string($unescaped_string);  }  function close()  {    return $this->link_id->close();  }  function ErrorMsg($message = '', $sql = '')  {    if ($message)    {      echo "<b>DTXB info</b>: $message/n/n<br /><br />";      //print('<a href="http://faq.comsenz.com/?type=mysql&dberrno=2003&dberror=Can%27t%20connect%20to%20MySQL%20server%20on" target="_blank">http://faq.comsenz.com/</a>');    }    else    {      echo "<b>MySQL server error report:";      print_r($this->error_message);      //echo "<br /><br /><a href='http://faq.comsenz.com/?type=mysql&dberrno=" . $this->error_message[3]['errno'] . "&dberror=" . urlencode($this->error_message[2]['error']) . "' target='_blank'>http://faq.comsenz.com/</a>";    }    exit;  }/* 仿真 Adodb 函數(shù) */  function selectLimit($sql, $num, $start = 0)  {    if ($start == 0)    {      $sql .= ' LIMIT ' . $num;    }    else    {      $sql .= ' LIMIT ' . $start . ', ' . $num;    }    return $this->query($sql);  }  function getOne($sql, $limited = false)  {    if ($limited == true)    {      $sql = trim($sql . ' LIMIT 1');    }    $res = $this->query($sql);    if ($res !== false)    {      $row = $res->fetch_row();      $res->free();      if ($row !== false)      {        return $row[0];      }      else      {        return '';      }    }    else    {      return false;    }  }  function getOneCached($sql, $cached = 'FILEFIRST')  {    $sql = trim($sql . ' LIMIT 1');    $cachefirst = ($cached == 'FILEFIRST' || ($cached == 'MYSQLFIRST' && $this->platform != 'WINDOWS')) && $this->max_cache_time;    if (!$cachefirst)    {      return $this->getOne($sql, true);    }    else    {      $result = $this->getSqlCacheData($sql, $cached);      if (empty($result['storecache']) == true)      {        return $result['data'];      }    }    $arr = $this->getOne($sql, true);    if ($arr !== false && $cachefirst)    {      $this->setSqlCacheData($result, $arr);    }    return $arr;  }  function getAll($sql)  {    $res = $this->query($sql);    if ($res !== false)    {      $arr = $res->fetch_all(MYSQLI_ASSOC);      $res->free();       return $arr;    }    else    {      return false;    }  }  function getAllCached($sql, $cached = 'FILEFIRST')  {    $cachefirst = ($cached == 'FILEFIRST' || ($cached == 'MYSQLFIRST' && $this->platform != 'WINDOWS')) && $this->max_cache_time;    if (!$cachefirst)    {      return $this->getAll($sql);    }    else    {      $result = $this->getSqlCacheData