更新

@@ -202,13 +202,14 @@ class Cart extends Api
      */
     public function priceCalculation()
     {
-        $json = $this->request->post('data_json');
+        $json = $_POST['data_json'];
         if (!$json) $this->error('data_json参数不能为空');
 //        $json = '[{"goods_id":22,"goods_sku_id":106,"number":2},{"goods_id":23,"goods_sku_id":66,"number":2}]';
         $data = json_decode($json,true);
         $goodsmodel = new \app\api\model\Goods();
         $skumodel = new GoodsSpec();
         $sum_price = 0; //总价格
+        var_dump($data);exit();
         foreach ($data as $key => $value){
             if (!is_numeric($value['goods_id']) || !is_numeric($value['goods_sku_id']) || !is_numeric($value['number'])){
                 $this->error('参数不合法');