更新

app/Services/System/LogService.php

@@ -48,7 +48,7 @@ class LogService
      */
     protected function buildQuery(array $params)
     {
-        $query = Log::query()->with('user:id,name,username');
+        $query = Log::query()->with('user:id,username');
 
         if (!empty($params['user_id'])) {
             $query->where('user_id', $params['user_id']);
@@ -108,6 +108,14 @@ class LogService
     {
         $query = Log::query();
 
+        if (!empty($params['method'])) {
+            $query->where('method', $params['method']);
+        }
+
+        if (!empty($params['status'])) {
+            $query->where('status', $params['status']);
+        }
+
         if (!empty($params['start_date']) && !empty($params['end_date'])) {
             $query->whereBetween('created_at', [$params['start_date'], $params['end_date']]);
         }
@@ -116,10 +124,74 @@ class LogService
         $successCount = (clone $query)->where('status', 'success')->count();
         $errorCount = (clone $query)->where('status', 'error')->count();
 
+        // 计算平均响应时间
+        $avgTime = (clone $query)->avg('execution_time');
+        $avgTime = $avgTime ? round($avgTime, 2) : 0;
+
         return [
             'total' => $total,
             'success' => $successCount,
             'error' => $errorCount,
+            'avg_time' => $avgTime,
         ];
     }
+
+    /**
+     * 导出日志
+     *
+     * @param  array  $params
+     * @return string
+     */
+    public function export(array $params): string
+    {
+        $query = $this->buildQuery($params);
+        $query->orderBy('created_at', 'desc');
+
+        $logs = $query->limit(10000)->get();
+
+        // 创建导出数据
+        $data = [];
+        foreach ($logs as $log) {
+            $data[] = [
+                'ID' => $log->id,
+                '用户名' => $log->username,
+                '模块' => $log->module,
+                '操作' => $log->action,
+                '请求方式' => $log->method,
+                'URL' => $log->url,
+                'IP地址' => $log->ip,
+                '状态码' => $log->status_code,
+                '状态' => $log->status === 'success' ? '成功' : '失败',
+                '执行时间' => $log->execution_time . 'ms',
+                '创建时间' => $log->created_at,
+            ];
+        }
+
+        // 生成CSV文件
+        $filename = '系统日志_' . date('YmdHis') . '.csv';
+        $filepath = storage_path('app/exports/' . $filename);
+
+        // 确保目录存在
+        if (!file_exists(dirname($filepath))) {
+            mkdir(dirname($filepath), 0755, true);
+        }
+
+        $file = fopen($filepath, 'w');
+        // 添加BOM以支持Excel中文显示
+        fprintf($file, chr(0xEF) . chr(0xBB) . chr(0xBF));
+
+        // 写入表头
+        if (!empty($data)) {
+            fputcsv($file, array_keys($data[0]));
+
+            // 写入数据
+            foreach ($data as $row) {
+                fputcsv($file, $row);
+            }
+        }
+
+        fclose($file);
+
+        return $filepath;
+    }
 }