zend framework implements operation methods that support sql server

The example in this article describes the operation method of zend framework to support sql server. Share it with everyone for your reference, the details are as follows:

1. Modify the connect method in Zend/Db/Adapter/Pdo/Abstract.php

protected function _connect()
{
  // if we already have a PDO object, no need to re-connect.
  if ($this->_connection) {
    return;
  }
  // get the dsn first, because some adapters alter the $_pdoType
  $dsn = $this->_dsn();
  // check for PDO extension
  if (!extension_loaded('pdo')) {
    /**
     * [url=home.php?mod=space&uid=86763]@see[/url] Zend_Db_Adapter_Exception
     */
    require_once 'Zend/Db/Adapter/Exception.php';
    throw new Zend_Db_Adapter_Exception('The PDO extension is required for this adapter but the extension is not loaded');
  }
  // check the PDO driver is available
  if (!in_array($this->_pdoType, PDO::getAvailableDrivers())) {
    /**
     * @see Zend_Db_Adapter_Exception
     */
    require_once 'Zend/Db/Adapter/Exception.php';
    throw new Zend_Db_Adapter_Exception('The ' . $this->_pdoType . ' driver is not currently installed');
  }
  // create PDO connection
  $q = $this->_profiler->queryStart('connect', Zend_Db_Profiler::CONNECT);
  // add the persistence flag if we find it in our config array
  if (isset($this->_config['persistent']) && ($this->_config['persistent'] == true)) {
    $this->_config['driver_options'][PDO::ATTR_PERSISTENT] = true;
  }
  try {
    //print_r($this->_config);exit;
    if($this->_config['pdoType']=='sqlsrv'){
      $this->_connection = new PDO( "sqlsrv:Server=".$this->_config['host'].";Database = ".$this->_config['dbname'], $this->_config['username'], $this->_config['password']);
      $this->_connection->setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION );
      $this->_connection->setAttribute( PDO::SQLSRV_ATTR_ENCODING, PDO::SQLSRV_ENCODING_UTF8 );
      $this->_profiler->queryEnd($q);
    }elseif ($this->_config['pdoType']=='dblib') {
      $this->_connection = new PDO(
        $dsn,
        $this->_config['username'],
        $this->_config['password'],
        $this->_config['driver_options']
      );
      $this->_profiler->queryEnd($q);
    }
    // set the PDO connection to perform case-folding on array keys, or not
    $this->_connection->setAttribute(PDO::ATTR_CASE, $this->_caseFolding);
    // always use exceptions.
    $this->_connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
  } catch (PDOException $e) {
    /**
     * @see Zend_Db_Adapter_Exception
     */
    require_once 'Zend/Db/Adapter/Exception.php';
    throw new Zend_Db_Adapter_Exception($e->getMessage());
  }
}

There are two connection methods provided for linux and windows.

2.mssql.php is protected $_pdoType = 'sqlsrv'; The web.xml database configuration file of

protected function _dsn()
{
    // baseline of DSN parts
    $dsn = $this->_config;
    // don't pass the username and password in the DSN
    unset($dsn['username']);
    unset($dsn['password']);
    unset($dsn['driver_options']);
    if (isset($dsn['port'])) {
      $seperator = ':';
      if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
        $seperator = ',';
      }
      $dsn['host'] .= $seperator . $dsn['port'];
      unset($dsn['port']);
    }
    // this driver supports multiple DSN prefixes
    // @see http://www.php.net/manual/en/ref.pdo-dblib.connection.php
    //print_r($dsn);exit;
    if (isset($dsn['pdoType'])) {
      switch (strtolower($dsn['pdoType'])) {
        case 'freetds':
        case 'sybase':
          $this->_pdoType = 'sybase';
          break;
        case 'mssql':
          $this->_pdoType = 'mssql';
          break;
        case 'sqlsrv':
          $this->_pdoType = 'sqlsrv';
          break;
        case 'dblib':
        default:
          $this->_pdoType = 'dblib';
          break;
      }
      unset($dsn['pdoType']);
    }
    // use all remaining parts in the DSN
    foreach ($dsn as $key => $val) {
      $dsn[$key] = "$key=$val";
    }
    $dsn = $this->_pdoType . ':' . implode(';', $dsn);
   // print_r($dsn);exit;
    return $dsn;
}

3.ZF was changed to:

  PDO_MSSQL

    localhost
    sa
    123456
    testdb 
    sqlsrv
  

Chinese garbled problems were encountered during

function convert2utf8($string)
{
    $config = $this->getCfg();
    $pdoType = $config->db->config->pdoType;
    if($pdoType == 'dblib'){
      return iconv("gbk","utf-8",$string);
    }elseif($pdoType == 'sqlsrv'){
      return mb_convert_encoding($string,"UTF-8","auto");
    }
}
function convert2gbk($string)
{
    $config = $this->getCfg();
    $pdoType = $config->db->config->pdoType;
    if($pdoType == 'dblib'){
      return iconv("utf-8","gbk",$string);
    }elseif($pdoType == 'sqlsrv'){
      return mb_convert_encoding($string,"GBK","auto");
    }
}
protected function &getCfg() {
    if ($this->cfg_ === null) {
      $registry = Zend_Registry::getInstance();
      $this->cfg_ = $registry->get('web_config');
    }
    return $this->cfg_;
}

Different processing is performed for different types.

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