add

alter_invoices.php

@@ -0,0 +1,43 @@
+<?php
+require __DIR__ . '/vendor/autoload.php';
+
+use Illuminate\Database\Capsule\Manager as Capsule;
+
+if (file_exists(__DIR__ . '/.env')) {
+    $dotenv = Dotenv\Dotenv::createUnsafeImmutable(__DIR__);
+    $dotenv->load();
+}
+
+$capsule = new Capsule;
+$capsule->addConnection([
+    'driver'    => 'mysql',
+    'host'      => $_ENV['DB_HOST'] ?? '127.0.0.1',
+    'port'      => $_ENV['DB_PORT'] ?? '3306',
+    'database'  => $_ENV['DB_DATABASE'] ?? '',
+    'username'  => $_ENV['DB_USERNAME'] ?? '',
+    'password'  => $_ENV['DB_PASSWORD'] ?? '',
+    'charset'   => 'utf8mb4',
+    'collation' => 'utf8mb4_unicode_ci',
+    'prefix'    => '',
+]);
+$capsule->setAsGlobal();
+$capsule->bootEloquent();
+
+if (!Capsule::schema()->hasTable('invoices')) {
+    Capsule::schema()->create('invoices', function ($table) {
+        $table->id();
+        $table->unsignedBigInteger('order_id')->unique();
+        $table->unsignedBigInteger('user_id')->index();
+        $table->string('type', 20)->default('company')->comment('company, personal');
+        $table->string('title', 100);
+        $table->string('tax_no', 50)->nullable();
+        $table->string('email', 100);
+        $table->decimal('amount', 10, 2)->default(0.00);
+        $table->string('status', 20)->default('pending')->comment('pending, issued, rejected');
+        $table->string('file_url', 255)->nullable();
+        $table->timestamps();
+    });
+    echo "Table 'invoices' created successfully.\n";
+} else {
+    echo "Table 'invoices' already exists.\n";
+}

alter_orders_express.php

@@ -0,0 +1,36 @@
+<?php
+
+require __DIR__ . '/vendor/autoload.php';
+
+use Illuminate\Database\Capsule\Manager as Capsule;
+
+if (file_exists(__DIR__ . '/.env')) {
+    $dotenv = Dotenv\Dotenv::createUnsafeImmutable(__DIR__);
+    $dotenv->load();
+}
+
+$capsule = new Capsule;
+$capsule->addConnection([
+    'driver'    => 'mysql',
+    'host'      => $_ENV['DB_HOST'] ?? '127.0.0.1',
+    'port'      => $_ENV['DB_PORT'] ?? '3306',
+    'database'  => $_ENV['DB_DATABASE'] ?? '',
+    'username'  => $_ENV['DB_USERNAME'] ?? '',
+    'password'  => $_ENV['DB_PASSWORD'] ?? '',
+    'charset'   => 'utf8mb4',
+    'collation' => 'utf8mb4_unicode_ci',
+    'prefix'    => '',
+]);
+$capsule->setAsGlobal();
+$capsule->bootEloquent();
+
+if (Capsule::schema()->hasTable('orders')) {
+    if (!Capsule::schema()->hasColumn('orders', 'express_modify_count')) {
+        Capsule::schema()->table('orders', function ($table) {
+            $table->tinyInteger('express_modify_count')->default(0)->after('express_no');
+        });
+        echo "Added 'express_modify_count' to orders.\n";
+    } else {
+        echo "'express_modify_count' already exists.\n";
+    }
+}

app/api/controller/InvoiceController.php

@@ -0,0 +1,86 @@
+<?php
+namespace app\api\controller;
+
+use support\Request;
+use app\common\model\Order;
+use app\common\model\Invoice;
+use app\common\service\OrderFlowService;
+
+class InvoiceController
+{
+    public function apply(Request $request)
+    {
+        $userId = $request->user->id;
+        $orderId = (int)$request->post('order_id');
+        $type = trim((string)$request->post('type', 'company'));
+        $title = trim((string)$request->post('title', ''));
+        $taxNo = trim((string)$request->post('tax_no', ''));
+        $email = trim((string)$request->post('email', ''));
+
+        if (!$orderId || !$title || !$email) {
+            return jsonResponse(null, '开票信息不完整', 400);
+        }
+
+        if ($type === 'company' && !$taxNo) {
+            return jsonResponse(null, '企业发票需填写税号', 400);
+        }
+
+        $order = Order::where('id', $orderId)->where('user_id', $userId)->first();
+        if (!$order) {
+            return jsonResponse(null, '订单不存在', 404);
+        }
+
+        if ($order->status === 'wait_pay') {
+            return jsonResponse(null, '未支付订单不能开票', 400);
+        }
+
+        $invoice = Invoice::where('order_id', $orderId)->first();
+        if ($invoice) {
+            return jsonResponse(null, '该订单已申请开票', 400);
+        }
+
+        $invoice = Invoice::create([
+            'order_id' => $orderId,
+            'user_id' => $userId,
+            'type' => $type,
+            'title' => $title,
+            'tax_no' => $taxNo,
+            'email' => $email,
+            'amount' => $order->total_price,
+            'status' => 'pending'
+        ]);
+
+        OrderFlowService::addLog($orderId, 'invoice_apply', '已提交开票申请', '开票金额: ¥' . $invoice->amount, 'user', $userId);
+
+        return jsonResponse(['id' => $invoice->id], '开票申请已提交');
+    }
+
+    public function detail(Request $request)
+    {
+        $userId = $request->user->id;
+        $orderId = (int)$request->get('order_id');
+
+        if (!$orderId) {
+            return jsonResponse(null, '参数错误', 400);
+        }
+
+        $invoice = Invoice::where('order_id', $orderId)->where('user_id', $userId)->first();
+        
+        if (!$invoice) {
+            return jsonResponse(null, '未找到开票记录', 404);
+        }
+
+        return jsonResponse([
+            'id' => $invoice->id,
+            'order_id' => $invoice->order_id,
+            'type' => $invoice->type,
+            'title' => $invoice->title,
+            'tax_no' => $invoice->tax_no,
+            'email' => $invoice->email,
+            'amount' => $invoice->amount,
+            'status' => $invoice->status,
+            'file_url' => $invoice->file_url,
+            'created_at' => $invoice->created_at->format('Y-m-d H:i:s')
+        ]);
+    }
+}

app/api/controller/OrderController.php

@@ -72,6 +72,7 @@ class OrderController
             'is_fast' => (bool)$order->is_fast,
             'express_company' => $order->express_company,
             'express_no' => $order->express_no,
+            'express_modify_count' => (int)$order->express_modify_count,
             'timeline' => $timeline
         ]);
     }
@@ -123,8 +124,9 @@ class OrderController
         }
 
         try {
+            $isModify = ($order->status === 'wait_receive');
             OrderFlowService::userShip($order, $expressCompany, $expressNo);
-            return jsonResponse(null, '发货信息已提交');
+            return jsonResponse(null, $isModify ? '物流信息修改成功' : '发货信息已提交');
         } catch (\Exception $e) {
             return jsonResponse(null, $e->getMessage(), 400);
         }

app/common/model/Invoice.php

@@ -0,0 +1,10 @@
+<?php
+namespace app\common\model;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Invoice extends Model
+{
+    protected $table = 'invoices';
+    protected $guarded = [];
+}

app/common/service/OrderFlowService.php

@@ -58,16 +58,28 @@ class OrderFlowService
      */
     public static function userShip(Order $order, string $expressCompany, string $expressNo)
     {
-        if ($order->status !== 'shipping') {
+        if ($order->status !== 'shipping' && $order->status !== 'wait_receive') {
-            throw new Exception("当前状态不允许发货");
+            throw new Exception("当前状态不允许修改发货信息");
+        }
+
+        if ($order->status === 'wait_receive') {
+            if ($order->express_modify_count >= 1) {
+                throw new Exception("运单号仅允许修改1次");
+            }
+            $order->express_modify_count += 1;
+            $actionType = 'user_ship_modify';
+            $title = '修改物流信息';
+        } else {
+            $order->status = 'wait_receive'; // 等待平台收件
+            $actionType = 'user_ship';
+            $title = '物品已寄出';
         }
         
         $order->express_company = $expressCompany;
         $order->express_no = $expressNo;
-        $order->status = 'wait_receive'; // 等待平台收件（可复用为在途）
         $order->save();
         
-        self::addLog($order->id, 'user_ship', '物品已寄出', "物流公司: {$expressCompany}, 单号: {$expressNo}", 'user', $order->user_id);
+        self::addLog($order->id, $actionType, $title, "物流公司: {$expressCompany}, 单号: {$expressNo}", 'user', $order->user_id);
         
         return $order;
     }

config/route.php

@@ -30,6 +30,11 @@ Route::group('/api', function () {
             Route::get('/detail', [app\api\controller\ReportController::class, 'detail']);
         });
 
+        Route::group('/invoice', function () {
+            Route::post('/apply', [app\api\controller\InvoiceController::class, 'apply']);
+            Route::get('/detail', [app\api\controller\InvoiceController::class, 'detail']);
+        });
+
         Route::group('/user', function () {
             Route::get('/stat', [app\api\controller\UserController::class, 'stat']);
             Route::post('/update_info', [app\api\controller\UserController::class, 'updateInfo']);