微信二维码接口

app/Http/Controllers/Admin/CourseController.php

@@ -439,49 +439,82 @@ class CourseController extends BaseController
         $generate = !empty($all['generate']);
         $path = config('filesystems.disks.public.root') . '/course_qrcode/' . $courseId . '.png';
         $url = config('filesystems.disks.public.url') . '/course_qrcode/' . $courseId . '.png';
+        $debugFile = storage_path('logs/qrcode_debug.log');
+        $debug = function ($msg) use ($debugFile, $courseId) {
+            @file_put_contents(
+                $debugFile,
+                date('Y-m-d H:i:s') . " [{$courseId}] {$msg}\n",
+                FILE_APPEND
+            );
+        };
+        $debug('hit generate=' . ($generate ? '1' : '0') . ' sapi=' . PHP_SAPI);
 
-        // 已有文件直接返回，避免走微信/旧 OPcache 方法签名问题
+        // 已有文件直接返回
         clearstatcache(true, $path);
         if (is_file($path)) {
+            $debug('return existing file');
             return $this->success($url);
         }
         if (!$generate) {
+            $debug('no file and generate=0');
             return $this->success('');
         }
 
         try {
-            $courseModel = new Course();
-            // 兼容 FPM OPcache 未刷新时旧方法只有 1 个参数（PHP8 多传参会直接 500）
-            $ref = new \ReflectionMethod($courseModel, 'getCourseQrcode');
-            if ($ref->getNumberOfParameters() >= 2) {
-                $result = $courseModel->getCourseQrcode($courseId, true);
-            } else {
-                $result = $courseModel->getCourseQrcode($courseId);
+            // 生成逻辑内联在控制器，避免模型 OPcache/签名不一致
+            $appId = (string) config('app.applet_appid');
+            $secret = (string) config('app.applet_secret');
+            if ($appId === '' || $secret === '') {
+                $debug('missing appid/secret');
+                return $this->fail([ResponseCode::ERROR_BUSINESS, '二维码生成失败：未配置小程序 APPID/SECRET']);
             }
-            clearstatcache(true, $path);
-            if (empty($result) && is_file($path)) {
-                $result = $url;
+
+            $debug('request wechat app_code');
+            $app = Factory::miniProgram([
+                'app_id' => $appId,
+                'secret' => $secret,
+            ]);
+            $tmp = $app->app_code->get('packages/course/detail?id=' . $courseId, [
+                'env_version' => 'release',
+            ]);
+            $content = $tmp instanceof \EasyWeChat\Kernel\Http\StreamResponse
+                ? $tmp->getBodyContents()
+                : (string) $tmp;
+            $debug('wechat bytes=' . strlen($content));
+
+            if ($content === '' || strpos(ltrim($content), '{') === 0) {
+                $debug('invalid wechat body=' . substr($content, 0, 200));
+                return $this->fail([ResponseCode::ERROR_BUSINESS, '二维码生成失败：微信接口返回异常']);
             }
-            if (empty($result)) {
-                return $this->fail([ResponseCode::ERROR_BUSINESS, '二维码生成失败，请检查微信配置或缓存后重试']);
+
+            $dir = dirname($path);
+            if (!is_dir($dir)) {
+                mkdir($dir, 0755, true);
             }
-            return $this->success($result);
+            if (file_put_contents($path, $content) === false) {
+                $debug('write file failed');
+                return $this->fail([ResponseCode::ERROR_BUSINESS, '二维码生成失败：写入文件失败']);
+            }
+            @chmod($path, 0644);
+            $debug('saved ok');
+            return $this->success($url);
         } catch (\Throwable $e) {
-            \Log::error('courses/qrcode failed', [
-                'id' => $courseId,
-                'generate' => $generate,
-                'message' => $e->getMessage(),
-                'file' => $e->getFile(),
-                'line' => $e->getLine(),
-            ]);
-            // 生成过程异常时，若磁盘已有文件仍返回成功
+            $safeMsg = preg_replace('/[^\x09\x0A\x0D\x20-\x7E\x{4e00}-\x{9fff}]/u', '?', $e->getMessage());
+            $debug('exception: ' . $safeMsg);
+            try {
+                \Log::error('courses/qrcode failed', [
+                    'id' => $courseId,
+                    'message' => $safeMsg,
+                ]);
+            } catch (\Throwable $ignored) {
+            }
             clearstatcache(true, $path);
             if (is_file($path)) {
                 return $this->success($url);
             }
             return $this->fail([
                 ResponseCode::ERROR_BUSINESS,
-                '二维码生成失败: ' . $e->getMessage(),
+                '二维码生成失败: ' . ($safeMsg ?: '未知错误'),
             ]);
         }
     }