<?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 app\common\basics\Models; use app\common\enum\FreightEnum; use think\facade\Db; /** * 运费模板 */ class Freight extends Models { protected $name = 'freight'; protected $autoWriteTimestamp = true; public static function getChargeWay($type) { $data = [ FreightEnum::CHARGE_WAY_WEIGHT => '按重量计费', FreightEnum::CHARGE_WAY_VOLUME => '按体积计费', FreightEnum::CHARGE_WAY_PIECE => '按件计费', ]; if ($type === true) { return $data; } return $data[$type] ?? '未知'; } public function getChargeWayTextAttr($value, $data) { return self::getChargeWay($data['charge_way']); } public static function getNameColumn($shop_id) { $lists = self::where(['shop_id'=>$shop_id])->column('id,name', 'id'); return empty($lists) ? [] : $lists; } public function configs() { return $this->hasMany('freight_config', 'freight_id', 'id'); } /** * 根据收货地址-商品信息-运费模板id-商品数量计算运费 */ public function sumFreight($address, $goods_item, $freight_id, $num) { //判断用户收货地址适用模板 $freight_config = FreightConfig::where('freight_id', $freight_id)->select()->toArray(); $freight_config_item = []; foreach ($freight_config as $key => $value) { $district_check = strpos($value['region'], (string)$address['district_id']); $city_check = strpos($value['region'], (string)$address['city_id']); $province_check = strpos($value['region'], (string)$address['province_id']); if ($district_check !== false) {//区域匹配模板 $freight_config_item = $value; } if ($city_check !== false) {//市匹配模板 $freight_config_item = $value; } if ($province_check !== false) {//省匹配模板 $freight_config_item = $value; } if ($district_check == false && $city_check == false && $province_check == false) { if ($value['region'] == 'all') { $freight_config_item = $value; } } } $charge_way = $this->where('id', $freight_id)->value('charge_way'); $price = 0;//运费 switch ($charge_way) { case $charge_way == 1://重量计费 $unified_num = $goods_item['weight'] * $num; break; case $charge_way == 2://体积计费 $unified_num = $goods_item['volume'] * $num; break; case $charge_way == 3://件数计费 $unified_num = $num; break; } if ($unified_num <= $freight_config_item['first_unit']) {//小于首件数 $price = $freight_config_item['first_money']; } if ($unified_num > $freight_config_item['first_unit']) {//大于首件数 计算公式=(((商品数量-首件数)/续件数)*续件费用)+首件费用 $continue_unit = ceil(($unified_num - $freight_config_item['first_unit']) / $freight_config_item['continue_unit']);//续件数向上取整 $price = ($continue_unit * $freight_config_item['continue_money']) + $freight_config_item['first_money']; } return $price; } }