初始化

app/Http/Controllers/Admin/DatabaseController.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Http\Controllers\Admin;
+
+use App\Http\Controllers\Controller;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Artisan;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+use Illuminate\View\View;
+
+/**
+ * 后台数据库管理：查看迁移状态（已执行 / 待执行），并可一键执行迁移升级。
+ * 满足「数据库可以随时在后台升级」——代码上线后无需 SSH，点按钮即可 migrate。
+ */
+class DatabaseController extends Controller
+{
+    public function index(): View
+    {
+        $connection = config('database.default');
+        $dbName = config("database.connections.{$connection}.database");
+
+        $ran = [];
+        if (Schema::hasTable('migrations')) {
+            $ran = DB::table('migrations')->pluck('migration')->toArray();
+        }
+
+        $files = glob(database_path('migrations/*.php'));
+        $all = array_map(fn ($f) => basename($f, '.php'), $files);
+        sort($all);
+
+        $done = array_values(array_intersect($all, $ran));
+        $pending = array_values(array_diff($all, $ran));
+
+        return view('admin.database', compact('connection', 'dbName', 'pending', 'done'));
+    }
+
+    public function upgrade(Request $request): RedirectResponse
+    {
+        try {
+            Artisan::call('migrate', ['--force' => true]);
+            $output = Artisan::output();
+
+            return redirect()->route('admin.database')
+                ->with('success', '数据库升级已执行完成。')
+                ->with('migrate_output', $output);
+        } catch (\Throwable $e) {
+            return redirect()->route('admin.database')
+                ->with('error', '升级失败：' . $e->getMessage());
+        }
+    }
+}