平台后台-财务操作-用户提现，当用户提现时减少用户的可提现额度

app/controller/admin/user/UserExtract.php

@@ -9,6 +9,7 @@
  */
 namespace app\controller\admin\user;
 
+use app\common\repositories\user\UserRepository;
 use crmeb\basic\BaseController;
 use crmeb\services\SpreadsheetExcelService;
 use think\App;
@@ -158,6 +159,17 @@ class UserExtract extends BaseController
         $data['status_time'] = date('Y-m-d H:i:s',time());
         $extract_data=Db::name('user_extract')->where('extract_id',$id)->find();
         if($data['status']!='-1'){
+
+            /** @var UserRepository $userRepository */
+            $userRepository = app()->make(UserRepository::class);
+            $userEntity = $userRepository->getUserEntityByUid($extract_data['uid']);
+            if ($userEntity->getWithdrawalLimit() < $extract_data['extract_price']) {
+                return app('json')->fail('提现额度不足');
+            } else {
+                $withdrawalLimit = bcsub($userEntity->getWithdrawalLimit(), $extract_data['extract_price'], 2);
+                $userRepository->update($userEntity->getUid(), ['withdrawal_limit' => $withdrawalLimit]);
+            }
+
             if($extract_data['extract_type']==1){
                 $res=$this->repository->WechatTransfers($id);
                 if($res['code']==201){