计算折扣

@@ -21,7 +21,7 @@ class Litestoregoods extends Model
         'spec_type_text',
         'deduct_stock_type_text',
         'goods_status_text',
-        'is_delete_text'
+        'is_delete_text',
     ];
 
 
@@ -36,32 +36,32 @@ class Litestoregoods extends Model
 
     public function getSpecTypeList()
     {
-        return ['10' => __('Spec_type 10'),'20' => __('Spec_type 20')];
+        return ['10' => __('Spec_type 10'), '20' => __('Spec_type 20')];
     }
 
     public function getDeductStockTypeList()
     {
-        return ['10' => __('Deduct_stock_type 10'),'20' => __('Deduct_stock_type 20')];
+        return ['10' => __('Deduct_stock_type 10'), '20' => __('Deduct_stock_type 20')];
     }
 
     public function getMakeforList()
     {
-        return ['1' => __('Makefor 1'),'2' => __('Makefor 2')];
+        return ['1' => __('Makefor 1'), '2' => __('Makefor 2')];
     }
 
     public function getIsIndexList()
     {
-        return ['0' => __('Is_index 0'),'1' => __('Is_index 1')];
+        return ['0' => __('Is_index 0'), '1' => __('Is_index 1')];
     }
 
     public function getGoodsStatusList()
     {
-        return ['10' => __('Goods_status 10'),'20' => __('Goods_status 20')];
+        return ['10' => __('Goods_status 10'), '20' => __('Goods_status 20')];
     }
 
     public function getIsDeleteList()
     {
-        return ['0' => __('Is_delete 0'),'1' => __('Is_delete 1')];
+        return ['0' => __('Is_delete 0'), '1' => __('Is_delete 1')];
     }
 
 
@@ -118,7 +118,7 @@ class Litestoregoods extends Model
      */
     public function spec()
     {
-        return $this->hasMany('Litestoregoodsspec','goods_id','goods_id');
+        return $this->hasMany('Litestoregoodsspec', 'goods_id', 'goods_id');
     }
 
     /**
@@ -126,7 +126,7 @@ class Litestoregoods extends Model
      */
     public function specRel()
     {
-        return $this->belongsToMany('Litestorespecvalue', 'litestore_goods_spec_rel','spec_value_id','goods_id');
+        return $this->belongsToMany('Litestorespecvalue', 'litestore_goods_spec_rel', 'spec_value_id', 'goods_id');
     }
 
     /**
@@ -146,7 +146,7 @@ class Litestoregoods extends Model
      * @param $isUpdate
      * @throws \Exception
      */
-    public function addGoodsSpec(&$data,$params,$specparams,$isUpdate = false)
+    public function addGoodsSpec(&$data, $params, $specparams, $isUpdate = false)
     {
         // 更新模式: 先删除所有规格
         $model = new Litestoregoodsspec;
@@ -154,19 +154,22 @@ class Litestoregoods extends Model
         // 添加规格数据
         if ($data['spec_type'] === '10') {
             // 单规格
+            $specparams['discount'] = (round($specparams['line_price'] / $specparams['goods_price'], 2) * 100) . '折';
             $this->spec()->save($specparams);
         } else if ($data['spec_type'] === '20') {
             // 添加商品与规格关系记录
-            $model->addGoodsSpecRel($this['goods_id'],$params['spec_attr']);
+            $model->addGoodsSpecRel($this['goods_id'], $params['spec_attr']);
             // 添加商品sku
-            $model->addSkuList($this['goods_id'],$params['spec_list']);
+            $model->addSkuList($this['goods_id'], $params['spec_list']);
         }
     }
 
-    public function removesku(){
+    public function removesku()
+    {
         // 删除商品sku
         (new Litestoregoodsspec)->removeAll($this['goods_id']);
     }
+
     /**
      * 获取规格信息
      */

 <?php
 
 namespace app\admin\model\litestore;
+
 use think\Model;
 
 class Litestoregoodsspec extends Model
@@ -30,6 +31,8 @@ class Litestoregoodsspec extends Model
             $data[] = array_merge($item['form'], [
                 'spec_sku_id' => $item['spec_sku_id'],
                 'goods_id'    => $goods_id,
+                'discount'    => (round($item['form']['line_price'] / $item['form']['goods_price'], 2) * 100) . '折',
+
             ]);
         }
         return $this->saveAll($data);
@@ -66,7 +69,7 @@ class Litestoregoodsspec extends Model
     public function removeAll($goods_id)
     {
         $model = new Litestoregoodsspecrel;
-        $model->where('goods_id','=', $goods_id)->delete();
-        return $this->where('goods_id','=', $goods_id)->delete();
+        $model->where('goods_id', '=', $goods_id)->delete();
+        return $this->where('goods_id', '=', $goods_id)->delete();
     }
 }

@@ -134,6 +134,7 @@ class Classification extends Api
                         ->find();
                     $item['price']      = $goods_spec['goods_price'];
                     $item['line_price'] = $goods_spec['line_price'];
+                    $item['discount']   = $goods_spec['discount'];
                     // 总库存
                     $item->append(['stock_num']);
                 });