/**
* new Database('default');
*
* 支持 `new Database('mysqli://*****:*****@127.0.0.1/myqee/');` 的方式
*
* @param string $config_name 默认值为 `Database::DEFAULT_CONFIG_NAME`
* @return void
*/
public function __construct($config_name = null)
{
if (null === $config_name) {
$config_name = Database::DEFAULT_CONFIG_NAME;
}
if (is_array($config_name)) {
$this->config = $config_name;
} elseif (false !== strpos($config_name, '://')) {
list($type) = explode('://', $config_name);
$this->config = array('type' => $type, 'connection' => $config_name, 'table_prefix' => '', 'charset' => 'utf8', 'caching' => false, 'profiling' => true);
} else {
$this->config = Core::config('database.' . $config_name);
}
$this->config['charset'] = strtoupper($this->config['charset']);
if (!isset($this->config['auto_change_charset'])) {
$this->config['auto_change_charset'] = false;
}
if ($this->config['auto_change_charset']) {
if (isset($this->config['data_charset'])) {
$this->config['data_charset'] = strtoupper($this->config['data_charset']);
} else {
$this->config['data_charset'] = $this->config['charset'];
}
}
$driver = $this->config['type'];
if (!$driver) {
$driver = 'MySQL';
}
$driver = 'Database_Driver_' . $driver;
if (!class_exists($driver, true)) {
throw new Exception('Database Driver:' . $driver . ' not found.');
}
if (!isset($this->config['connection'])) {
throw new Exception('Database connection not set.');
}
if (is_string($this->config['connection'])) {
$this->config['connection'] = Database::parse_dsn($this->config['connection']);
}
# 当前驱动
$this->driver = new $driver($this->config);
parent::__construct();
# 增加自动关闭连接列队
Core::add_close_connect_class('Database');
}
/**
* Sets the initial columns to select from.
*
* @param array column list
* @return void
*/
public function __construct($config_name = 'default')
{
if (\is_array($config_name)) {
$this->config = $config_name;
} else {
$this->config = \Core::config('database.' . $config_name);
}
$this->config['charset'] = \strtoupper($this->config['charset']);
if (!isset($this->config['auto_change_charset'])) {
$this->config['auto_change_charset'] = false;
}
if ($this->config['auto_change_charset']) {
if (isset($this->config['data_charset'])) {
$this->config['data_charset'] = \strtoupper($this->config['data_charset']);
} else {
$this->config['data_charset'] = $this->config['charset'];
}
}
$driver = $this->config['type'];
if (!$driver) {
$driver = 'MySQL';
}
$driver = '\\Database_Driver_' . $driver;
if (!\class_exists($driver, true)) {
throw new \Exception('Database Driver:' . $driver . ' not found.');
}
if (\is_string($this->config['connection'])) {
$this->config['connection'] = static::parse_dsn($this->config['connection']);
}
# 当前驱动
$this->driver = new $driver($this->config);
parent::__construct();
# 增加自动关闭连接列队
\Core::add_close_connect_class('\\Database');
}
