优化了代码逻辑，增加了余额明细功能，并修改了搜索条件设置方式。

app/admin/controller/operation/OpurchaseclassController.php

@@ -148,7 +148,7 @@ class OpurchaseclassController extends BaseAdminController
        $arr=Opurchaseclass::where('id','in',explode(',',$order_arr))->where('is_mer',1)->value('order_arr');
         if($arr){
             $this->request->__set('class_value',['id'=>explode(',',$arr)]);
-            $this->request->__set('class_key',['in'=>'id']);
+            $this->request->__set('class_key',['in'=>['id']]);
         }
         return $this->dataLists(new CashierclassStreamLists());
     }

app/api/controller/financial/FinancialRecordController.php

@@ -54,7 +54,27 @@ class FinancialRecordController extends BaseApiController
      */
     public function api_lists()
     {
+        $mer_id=$this->request->userInfo['merchant']['mer_id']??0;
+        if($mer_id!=0){
             $this->request->__set('is_detail',1);
+            $this->request->__set('class_value',['mer_id'=>$mer_id,'type'=>1]);
+            $this->request->__set('class_key',['='=>['mer_id','type']]);
             return $this->dataLists((new FinancialRecordLists));
         }
+        return $this->success();
+    }
+
+    /**
+	 * 余额明细
+	 */
+	public function supplier_list(){
+        $id=$this->request->userInfo['supplier']['id']??0;
+        if($id!=0){
+            $this->request->__set('is_detail',1);
+            $this->request->__set('class_value',['mer_id'=>$id,'type'=>3]);
+            $this->request->__set('class_key',['='=>['mer_id','type']]);
+            return $this->dataLists((new FinancialRecordLists));
+        }
+        return $this->success();
+	}
 }

app/api/lists/financial/FinancialRecordLists.php

@@ -44,14 +44,16 @@ class FinancialRecordLists extends BaseAdminDataLists implements ListsSearchInte
      */
     public function lists(): array
     {
-        $mer_id = $this->request->userInfo['merchant']['mer_id'] ?? 0;
+        $class_value = $this->request->__get('class_value');
-        if ($mer_id <= 0) {
+        if ($class_value) {
-            return [];
-        }
             $where = [
-            'type' => 1,
+                'type' => $class_value['type'],
-            'mer_id' => $mer_id,
+                'mer_id' => $class_value['mer_id'],
             ];
+        }else{
+            $where=[];
+        }
+
         $this->where = $where;
         $searchWhere = $this->searchWhere;
         $is_detail = $this->request->__get('is_detail');

app/common/lists/ListsSearchTrait.php

@@ -26,9 +26,11 @@ trait ListsSearchTrait
         if($class_key!==null){
             foreach($class_key as $key => $value){
                 if(isset($search[$key])){
-                    array_push($search[$key], $value); // 添加class_key的搜索条件
+                    foreach($value as $v){ // 遍历class_key的值，添加到search数组中
+                        array_push($search[$key], $v); // 添加class_key的搜索条件
+                    }
                 }else{
-                    $search[$key] = [$value]; // 创建新的搜索条件
+                    $search[$key] = [$value[0]]; // 创建新的搜索条件
                 }
             }
         }