单个药品排他

app/Api/Controllers/DrugController.php

@@ -173,7 +173,7 @@ public function drugLimit(Request $request)
                 return $this->failed($errMsg, ['add_status' => false]);
             }
             $exclusions[$drug['drug_id']] = $drugModel->excluded_drug_ids;
-            $drug['drug_name'] = 0; // 冗余药品名称
+            $drug['drug_name'] = $drugModel->name; // 冗余药品名称
             $drug['mahuangsu_status'] = 0; // 0：不是麻黄素药品
             $drug['limit_num'] = $limit_num; // 赋值全局限购数量
             if ($drugModel->limit_buy_7 > 0) {
@@ -199,7 +199,7 @@ public function drugLimit(Request $request)
                 $drug['mahuangsu_status'] = 1; // 1：是麻黄素药品
 
                 if ($mahuangsu_buy_num > $canBuyMahuangCount) {
-                    $errMsg = '药品['.$drugModel->name.']剩余购买数量不足~';
+                    $errMsg = '药品['.($drugModel->name ?? '').']剩余购买数量不足~';
 
                     return $this->failed($errMsg, ['add_status' => false]);
                 }
@@ -209,7 +209,7 @@ public function drugLimit(Request $request)
         if ($exclusions) {
             foreach ($drugs as $drugItem) {
                 if (in_array($drugItem['drug_id'], $exclusions[$drugItem['drug_id']])) {
-                    $errMsg = '药品['.$drugItem['name'].']和您的其他药品不能同时购买~';
+                    $errMsg = '药品['.$drugItem['drug_name'].']和您的其他药品不能同时购买~';
 
                     return $this->failed($errMsg, ['add_status' => false]);
                 }