/**
* 取得实例
*
* @access public
* @param mixed $dbinfo
* @return mixed
*/
public static function getInstance($dbinfo)
{
self::$dbinfo = $dbinfo;
if (!self::$dbo instanceof self) {
self::$conn = mysql_connect($dbinfo['host'], $dbinfo['user'], $dbinfo['password']);
if (self::$conn === false) {
trigger_error('<span style="color:red;border:red 1px solid;padding:0.5em;">无法连接数据库，请检查数据库连接参数！</span>', E_USER_ERROR);
exit;
}
$charset = isset($dbinfo['charset']) ? $dbinfo['charset'] : 'utf8';
mysql_query("set names '{$charset}'");
mysql_select_db($dbinfo['name'], self::$conn);
self::$dbo = new self();
}
return self::$dbo;
}