belongsTo(PcIssue::class, 'issue_no', 'issue_no'); } function issue() { return $this->belongsTo(Issue::class, 'issue_no', 'issue_no'); } public function user() { return $this->belongsTo(User::class, 'member_id', 'member_id') ->select(['id', 'member_id', 'username', 'first_name']); } public static $STATUS = [ 1 => '待结算', 2 => '已结算', 3 => '取消', ]; public static function getStatus($val = -1) { $array = self::$STATUS; if ($val < 0) { $arr = []; foreach ($array as $k => $v) { $item = []; $item['id'] = $k; $item['title'] = $v; $arr[] = $item; } return $arr; } else { return $array[$val]; } } }