添加网站文件

application/admin/logic/CommonLogic.php

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+<?php
+
+namespace app\admin\logic;
+use app\common\server\UrlServer;
+use think\Db;
+class CommonLogic{
+    /**
+     * note 修改制定表的某个字段
+     * author cjh 2020/10/14 14:51
+     * @param $table 表名
+     * @param $pk_name  id
+     * @param $pk_value id的值
+     * @param $field 需要修改的字段
+     * @param $field_value  需要修改的值
+     * @return bool
+     * @throws \think\Exception
+     * @throws \think\exception\PDOException
+     */
+    public static function changeTableValue($table,$pk_name,$pk_value,$field,$field_value){
+        //允许修改的字段
+        $allow_field = [
+            'is_show','sort','status','is_new','is_best','is_like','is_recommend'
+        ];
+        if(!in_array($field,$allow_field)){
+            return false;
+        }
+        if(is_array($pk_value)){
+            $where[] = [$pk_name,'in',$pk_value];
+        }else{
+            $where[] = [$pk_name,'=',$pk_value];
+        }
+
+        $data= [
+            $field          => $field_value,
+            'update_time'   => time(),
+        ];
+
+        if ($field == 'status' and $field_value == 0) {
+            $res = Db::name('team_activity')
+                ->where(['goods_id'=>$pk_value])
+                ->find();
+            if ($res) {
+                return '该商品正在参与拼团，请先关闭后才允许下架';
+            }
+        }
+
+        $result = Db::name($table)->where($where)->update($data);
+        return $result ? true : '修改失败';
+    }
+
+    //获取商品列表
+    public static function getGoodsList($get,$is_item = false){
+        $where = [];
+        $where[] = ['del', '=', '0'];
+        $where[] = ['status','=',1];
+
+        if (isset($get['keyword']) && $get['keyword']) {
+            $where[] = ['name', 'like', '%' . $get['keyword'] . '%'];
+        }
+        if(isset($get['cid']) && $get['cid']){
+            $where[] = ['first_category_id|second_category_id|third_category_id','=',$get['cid']];
+        }
+
+        $goods_count = Db::name('goods')
+            ->where($where)
+            ->count();
+
+        $goods_list = Db::name('goods')
+            ->where($where)
+            ->page($get['page'], $get['limit'])
+            ->column('*','id');
+
+        foreach ($goods_list as &$item) {
+            $item['goods_item'] = [];
+            $item['price'] = '￥'.$item['min_price'];
+            if($item['max_price'] != $item['min_price']){
+                $item['price'] = '￥'.$item['max_price'].'~'.'￥'.$item['min_price'];
+            }
+            $item['create_time_desc'] = date('Y-m-d H:i:s',$item['create_time']);
+            $item['image'] = UrlServer::getFileUrl($item['image']);
+        }
+
+        if($is_item){
+            $goods_ids = array_keys($goods_list);
+            $goods_item = Db::name('goods_item')->where(['goods_id'=>$goods_ids])->select();
+            foreach ($goods_item as $items){
+                if(isset($goods_list[$items['goods_id']])){
+                    if($items['image']){
+                        $items['image'] = UrlServer::getFileUrl($items['image']);
+                    }else{
+                        $items['image'] = $goods_list[$items['goods_id']]['image'];
+                    }
+                    $goods_list[$items['goods_id']]['goods_item'][] = $items;
+                }
+            }
+        }
+        return ['count' => $goods_count, 'list' =>array_values($goods_list)];
+    }
+
+
+}