添加虚拟支付日志

backend/application/common/service/VirtualPayService.php

@@ -45,6 +45,7 @@ class VirtualPayService
     {
         $offerId = (string)config('common.virtual_pay.offer_id');
         if ($offerId === '') {
+            self::logMissingOfferId();
             throw new \Exception('未配置虚拟支付 OfferID');
         }
         $buyQuantity = self::coinQuantity($amountYuan);
@@ -377,6 +378,48 @@ class VirtualPayService
         return (string)$sessionKey;
     }
 
+    /**
+     * OfferID 为空时记下 .env 有没有被读到，不记录密钥内容
+     */
+    private static function logMissingOfferId()
+    {
+        $envFile = (defined('ROOT_PATH') ? ROOT_PATH : '') . '.env';
+        $exists = $envFile !== '.env' && is_file($envFile);
+        $section = '';
+        $found = null;
+        if ($exists) {
+            $lines = file($envFile, FILE_IGNORE_NEW_LINES);
+            if (is_array($lines)) {
+                foreach ($lines as $line) {
+                    $trim = trim($line);
+                    if ($trim === '' || $trim[0] === ';' || $trim[0] === '#') {
+                        continue;
+                    }
+                    if (preg_match('/^\[(.+)\]$/', $trim, $sectionMatch)) {
+                        $section = $sectionMatch[1];
+                        continue;
+                    }
+                    if (preg_match('/^vp_offer_id\s*=\s*(.*)$/', $trim, $valueMatch)) {
+                        $value = trim($valueMatch[1], " \t\"'");
+                        $found = [
+                            'section' => $section,
+                            'len' => strlen($value),
+                        ];
+                    }
+                }
+            }
+        }
+        $fromEnv = getenv('PHP_WECHAT_VP_OFFER_ID');
+        $virtualPay = config('common.virtual_pay');
+        Log::error('虚拟支付 OfferID 为空 ' . json_encode([
+            'env_file' => $envFile,
+            'env_exists' => $exists,
+            'file_item' => $found ?: 'missing',
+            'getenv' => $fromEnv === false ? 'false' : ('len:' . strlen(trim((string)$fromEnv))),
+            'config_keys' => is_array($virtualPay) ? array_keys($virtualPay) : gettype($virtualPay),
+        ], JSON_UNESCAPED_UNICODE));
+    }
+
     /**
      * @param float|string $amountYuan
      * @return int