first commit

app/Providers/AppServiceProvider.php

@@ -2,6 +2,7 @@
 
 namespace App\Providers;
 
+use Barryvdh\DomPDF\Facade\Pdf;
 use Illuminate\Foundation\Exceptions\Handler as ExceptionsHandler;
 use Illuminate\Support\ServiceProvider;
 use Modules\AnnoRoute\AnnoRoute;
@@ -25,5 +26,41 @@ class AppServiceProvider extends ServiceProvider
     {
         // 注册路由
         $annoRoute->register(app_path('Http/Controllers'));
+
+        // 注册 DomPDF 中文字体（黑体），PDF 导出使用 font-family: SimHei
+        $this->registerDompdfChineseFont();
+    }
+
+    /**
+     * 注册 DomPDF 中文字体（幂等：已注册则跳过）
+     */
+    private function registerDompdfChineseFont(): void
+    {
+        $fontFile = resource_path('fonts/simhei.ttf');
+        if (! file_exists($fontFile)) {
+            return;
+        }
+
+        $fontMetrics = Pdf::getDomPDF()->getFontMetrics();
+        if ($fontMetrics->getFamily('SimHei')) {
+            return;
+        }
+
+        if (! is_dir(storage_path('fonts'))) {
+            mkdir(storage_path('fonts'), 0755, true);
+        }
+
+        $variants = [
+            ['weight' => 'normal', 'style' => 'normal'],
+            ['weight' => 'bold', 'style' => 'normal'],
+            ['weight' => 'normal', 'style' => 'italic'],
+            ['weight' => 'bold', 'style' => 'italic'],
+        ];
+        foreach ($variants as $variant) {
+            $fontMetrics->registerFont(
+                ['family' => 'SimHei', 'weight' => $variant['weight'], 'style' => $variant['style']],
+                $fontFile
+            );
+        }
     }
 }