1.提交缺失的东西

app/common/model/Freight.php

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+<?php
+// +----------------------------------------------------------------------
+// | likeshop开源商城系统
+// +----------------------------------------------------------------------
+// | 欢迎阅读学习系统程序代码，建议反馈是我们前进的动力
+// | gitee下载：https://gitee.com/likeshop_gitee
+// | github下载：https://github.com/likeshop-github
+// | 访问官网：https://www.likeshop.cn
+// | 访问社区：https://home.likeshop.cn
+// | 访问手册：http://doc.likeshop.cn
+// | 微信公众号：likeshop技术社区
+// | likeshop系列产品在gitee、github等公开渠道开源版本可免费商用，未经许可不能去除前后端官方版权标识
+// |  likeshop系列产品收费版本务必购买商业授权，购买去版权授权后，方可去除前后端官方版权标识
+// | 禁止对系统程序代码以任何目的，任何形式的再发布
+// | likeshop团队版权所有并拥有最终解释权
+// +----------------------------------------------------------------------
+// | author: likeshop.cn.team
+// +----------------------------------------------------------------------
+
+namespace app\common\model;
+
+use think\Model;
+
+class Freight extends Model
+{
+    protected $name = 'freight';
+
+    protected $autoWriteTimestamp = true;
+
+    //计费方式
+    const CHARGE_WAY_WEIGHT = 1;//按重量计费
+    const CHARGE_WAY_VOLUME = 2; //体积计费
+    const CHARGE_WAY_PIECE = 3;//按件计费
+
+
+    public static function getChargeWay($type)
+    {
+        $data = [
+            self::CHARGE_WAY_WEIGHT => '按重量计费',
+            self::CHARGE_WAY_VOLUME => '按体积计费',
+            self::CHARGE_WAY_PIECE => '按件计费',
+        ];
+
+        if ($type === true) {
+            return $data;
+        }
+
+        return $data[$type] ?? '未知';
+    }
+
+    public function getChargeWayTextAttr($value, $data)
+    {
+        return self::getChargeWay($data['charge_way']);
+    }
+
+
+    public function configs()
+    {
+        return $this->hasMany('freight_config', 'freight_id', 'id');
+    }
+
+}