/**
* 获取insertID
*
* @return int
*/
public function insertID()
{
switch (DBManager::workingMode()) {
case DBManager::MODE_PDO:
return $this->_link->lastInsertId();
case DBManager::MODE_SQLI:
return $this->_link->insert_id;
case DBManager::MODE_SQL:
return mysql_insert_id($this->_link);
default:
return 0;
}
}
/**
* 清空结果集内存
*
* @return boolean 是否清空成功
*/
public function free()
{
if (is_bool($this->_rs)) {
$rtn = true;
} else {
if (is_array($this->_rs)) {
$rtn = true;
} else {
switch (DBManager::workingMode()) {
case DBManager::MODE_PDO:
$rtn = $this->_rs->closeCursor();
break;
case DBManager::MODE_SQLI:
$rtn = $this->_rs->free();
break;
case DBManager::MODE_SQL:
$rtn = mysql_free_result($this->_rs);
break;
default:
$rtn = true;
break;
}
}
}
unset($this->_rs);
return $rtn;
}
/**
* 自动建立连接，并且执行某条sql语句，返回resultset资源
*
* @param string $sql sql语句
* @param bool $cache 是否缓存
* @return ResultSet result set资源集
*/
public static function autoExecute($sql, $cache = false)
{
$db = DBManager::open();
$rs = $db->query($sql, $cache);
return $rs;
}
