性能调试

app/Http/Middleware/SqlMiddleware.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Support\Facades\DB;
+
+class SqlMiddleware
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request $request
+     * @param  \Closure $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        if ($request->sql_debug==1) {
+            DB::connection()->enableQueryLog();
+        }
+
+        $response = $next($request);
+        if ($request->get('sql_debug')) {
+            $queries = DB::getQueryLog();
+
+            if (!empty($queries)) {
+                foreach ($queries as &$query) {
+                    $query['full_query'] = vsprintf(str_replace('?', '%s', $query['query']), $query['bindings']);
+                }
+            }
+
+            dd($queries);exit;
+        }
+
+        return $response;
+    }
+}

bootstrap/app.php

@@ -67,7 +67,8 @@ $app->singleton(
 |
 */
 $app->middleware([
-    App\Http\Middleware\CorsMiddleware::class
+    App\Http\Middleware\CorsMiddleware::class,
+    App\Http\Middleware\SqlMiddleware::class
 ]);
 
 $app->routeMiddleware([