"INTEGER", "username" => "TEXT", "password" => "TEXT", "create_time" => "INTEGER", ]; public function __construct() { parent::__construct(); } public function getInfoByUsername($username) { $sql = "select * from " . $this->tablename . " where username='" . $username . "' limit 1"; $data = $this->getOne($sql); return $data; } public function getInfoById($userid) { $sql = "select * from " . $this->tablename . " where id='" . $userid . "' limit 1"; $data = $this->getOne($sql); return $data; } }