/**
* @param string $which
* @return db_Mysql
*/
public static function db($which = 'master')
{
$db_config = Yaf_Registry::get('config')->get('yaf')->get('db')->{$which};
$cache_config = Yaf_Registry::get('config')->get('yaf')->get('cache');
$db = db_Mysql::getInstance($db_config, $cache_config);
return $db;
// return ($db instanceof db_DbInterface) ? $db : false;
}
/**
* 单例连接数据库
* @param \OB|string $db_config
* @param \OB|string $cache_config
* @return db_Mysql
*/
public static function getInstance($db_config = '', $cache_config = '')
{
$_db_host = $db_config->host;
$_db_port = $db_config->port;
$_db_name = $db_config->dbname;
$_db_charset = $db_config->charset;
$_db_usr = $db_config->usr;
$_db_pwd = $db_config->pwd;
$_cache_system = $cache_config->system;
$_cache_type = $cache_config->type;
$_cache_host = $cache_config->host;
$_cache_port = $cache_config->port;
self::$_database_name = $_db_name;
$idx = md5($_db_host . $_db_name . $_cache_host . $_cache_port);
if (!isset(self::$_instances[$idx])) {
self::$_instances[$idx] = new self($_db_host, $_db_port, $_db_usr, $_db_pwd, $_db_name, $_db_charset, $_cache_system, $_cache_type, $_cache_host, $_cache_port);
}
return self::$_instances[$idx];
}
function __destruct()
{
if ($this->db) {
$this->db->close();
}
}
<?php
require_once 'include/sql_class.php';
$db = new db_Mysql();
$db->dbServer = 'localhost';
$db->dbbase = 'messageboard';
$db->dbUser = '******';
$db->dbPwd = '';
$db->dbconnect();
define('MCBOOKINSTALLED', true);
define('TABLE_PREFIX', "mb_");
if (PHP_VERSION > '5.2.0') {
date_default_timezone_set('PRC');
}
function db_query_mysql($sql, &$res, $timeout = 0, $type = '0', $key = null)
{
#echo "MC:".($type)."#<br>";
global $dbhost, $dbuser, $dbpassword, $dbname;
$db = new db_Mysql();
$db->init_con($dbhost, $dbuser, $dbpassword, $dbname);
$db->create_con();
$result = $db->query($sql);
if ($result == false) {
$db->free();
$db->close();
return false;
} else {
$res = array();
while ($row = mysql_fetch_array($result, MYSQL_BOTH)) {
$res[] = $row;
}
global $memcached_host;
$options = array('servers' => array($memcached_host), 'debug' => false, 'compress_threshold' => 510240, 'persistant' => false);
$mc = new memcached($options);
if ($type == "1") {
//add type
$mc->add($key, $res, $timeout);
}
if ($type == "2") {
//replace
$mc->replace($key, $res, $timeout);
}
$mc->disconnect_all();
}
$db->free();
$db->close();
return true;
}