更新

@@ -71,6 +71,10 @@ class Activity extends Api
                 $goods_spec = Db::name('litestore_goods_spec')
                     ->where('goods_id',$item['goods_id'])
                     ->find();
+                $item['cart_number'] = Db::name('cart')
+                    ->where('user_id',$this->auth->id)
+                    ->where('goods_id',$item['goods_id'])
+                    ->sum('number');
                 $item['price'] = $goods_spec['goods_price'];
                 $item['line_price'] = $goods_spec['line_price'];
             });

@@ -41,10 +41,15 @@ class Cart extends Api
             'user_id' => $this->auth->id,
             'sku_id' => $sku_id,
             'goods_id' => $goods_id,
-            'number' => $number,
         ];
         $model = new \app\api\model\Cart();
-        $model->save($data);
+        $cart = $model->where($data)->find();
+        if ($cart){
+            $cart->setInc('number',$number);
+        }else{
+            $data['number'] = $number;
+            $model->isUpdate(false)->save($data);
+        }
         $this->success('SUCCESS');
     }
 

@@ -17,7 +17,7 @@ use think\Db;
  */
 class Classification extends Api
 {
-    protected $noNeedLogin = ['*'];
+    protected $noNeedLogin = ['sort'];
     protected $noNeedRight = ['*'];
 
     /**
@@ -99,6 +99,10 @@ class Classification extends Api
                     $goods_spec = Db::name('litestore_goods_spec')
                         ->where('goods_id',$item['goods_id'])
                         ->find();
+                    $item['cart_number'] = Db::name('cart')
+                        ->where('user_id',$this->auth->id)
+                        ->where('goods_id',$item['goods_id'])
+                        ->sum('number');
                     $item['price'] = $goods_spec['goods_price'];
                     $item['line_price'] = $goods_spec['line_price'];
                 });
@@ -110,6 +114,10 @@ class Classification extends Api
                     $goods_spec = Db::name('litestore_goods_spec')
                         ->where('goods_id',$item['goods_id'])
                         ->find();
+                    $item['cart_number'] = Db::name('cart')
+                        ->where('user_id',$this->auth->id)
+                        ->where('goods_id',$item['goods_id'])
+                        ->sum('number');
                     $item['price'] = $goods_spec['goods_price'];
                     $item['line_price'] = $goods_spec['line_price'];
                 });