refactor: 重构后端目录结构和命名规范

- 将后端目录名从大写改为小写 (Controller->controller 等)
- 将命名空间从 App\ 改为 app\ (符合 webman 官方规范)
- 移除不必要的 bootstrap 目录
- 完善出差审批业务功能：
  - 添加删除草稿功能
  - 添加审批操作功能（同意/拒绝）
  - 完善审批详情页，显示审批人和审批记录
- 前端优化：
  - 调整列表页行高
  - 隐藏底部导航栏
  - 仪表盘只显示3个快捷入口

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/app/Bootstrap/Database.php

@@ -1,15 +0,0 @@
-<?php
-
-namespace App\Bootstrap;
-
-use App\Util\Db;
-use Webman\Bootstrap;
-
-class Database implements Bootstrap
-{
-    public static function start(?\Workerman\Worker $worker): void
-    {
-        // 初始化数据库连接
-        Db::init();
-    }
-}

backend/app/Middleware/AuthMiddleware.php

@@ -1,42 +0,0 @@
-<?php
-
-namespace App\Middleware;
-
-use App\Util\JwtUtil;
-use Webman\Http\Request;
-use Webman\Http\Response;
-
-class AuthMiddleware
-{
-    public function process(Request $request, callable $next): Response
-    {
-        // 从请求头获取 token
-        $token = $request->header('Authorization');
-        $token = str_replace('Bearer ', '', $token);
-
-        // 如果没有 token，返回 401
-        if (!$token) {
-            return json([
-                'code' => 401,
-                'message' => '未登录',
-                'data' => null,
-            ]);
-        }
-
-        // 验证 token
-        $payload = JwtUtil::decode($token);
-        if (!$payload) {
-            return json([
-                'code' => 401,
-                'message' => '登录已过期',
-                'data' => null,
-            ]);
-        }
-
-        // 将用户ID注入到请求中
-        $request->userId = (int) ($payload['user_id'] ?? 0);
-        $request->companyId = (int) ($payload['company_id'] ?? 0);
-
-        return $next($request);
-    }
-}

backend/app/controller/ApprovalController.php

@@ -1,8 +1,8 @@
 <?php
 
-namespace App\Controller;
+namespace app\controller;
 
-use App\Service\ApprovalService;
+use app\service\ApprovalService;
 use Webman\Http\Request;
 use Webman\Http\Response;
 

backend/app/controller/AuthController.php

@@ -1,11 +1,11 @@
 <?php
 
-namespace App\Controller;
+namespace app\controller;
 
-use App\Service\FeishuService;
-use App\Util\JwtUtil;
-use App\Model\User;
-use App\Model\Company;
+use app\service\FeishuService;
+use app\util\JwtUtil;
+use app\model\User;
+use app\model\Company;
 use Webman\Http\Request;
 use Webman\Http\Response;
 

backend/app/controller/BaseController.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Controller;
+namespace app\controller;
 
 use Webman\Http\Request;
 use Webman\Http\Response;

backend/app/controller/BusinessTripController.php

@@ -1,8 +1,8 @@
 <?php
 
-namespace App\Controller;
+namespace app\controller;
 
-use App\Service\BusinessTripService;
+use app\service\BusinessTripService;
 use Webman\Http\Request;
 use Webman\Http\Response;
 
@@ -144,6 +144,49 @@ class BusinessTripController extends BaseController
         }
     }
 
+    /**
+     * 删除草稿
+     */
+    public function deleteDraft(Request $request): Response
+    {
+        $userId = $this->getUserId($request);
+        $id = (int) $this->getRouteParam($request, 'id');
+        if (!$id) {
+            return $this->error('参数错误');
+        }
+
+        try {
+            $this->service->deleteDraft($userId, $id);
+            return $this->success(null, '删除成功');
+        } catch (\Exception $e) {
+            return $this->error($e->getMessage());
+        }
+    }
+
+    /**
+     * 审批操作
+     */
+    public function approve(Request $request): Response
+    {
+        $userId = $this->getUserId($request);
+        $id = (int) $this->getRouteParam($request, 'id');
+        if (!$id) {
+            return $this->error('参数错误');
+        }
+
+        $data = $request->post();
+        $data = $data ?? [];
+        $action = $data['action'] ?? 'approve'; // approve 或 reject
+        $comment = $data['comment'] ?? '';
+
+        try {
+            $result = $this->service->approve($userId, $id, $action, $comment);
+            return $this->success($result, $action === 'approve' ? '已同意' : '已拒绝');
+        } catch (\Exception $e) {
+            return $this->error($e->getMessage());
+        }
+    }
+
     /**
      * 取消出差申请
      */

backend/app/controller/UserController.php

@@ -1,8 +1,8 @@
 <?php
 
-namespace App\Controller;
+namespace app\controller;
 
-use App\Model\User;
+use app\model\User;
 use Webman\Http\Request;
 use Webman\Http\Response;
 

backend/app/middleware/AuthMiddleware.php

@@ -5,31 +5,42 @@ namespace app\middleware;
 use app\util\JwtUtil;
 use Webman\Http\Request;
 use Webman\Http\Response;
-use support\Log;
 
 class AuthMiddleware
 {
-    public function process(Request $request, callable $handler): Response
+    public function process(Request $request, callable $next): Response
     {
-        // 获取 Token
+        // 从请求头获取 token
         $token = $request->header('Authorization');
-        $token = str_replace('Bearer ', '', $token);
 
-        if (!$token || !JwtUtil::verify($token)) {
+        // 移除 "Bearer " 前缀（如果存在）
+        if ($token && str_starts_with($token, 'Bearer ')) {
+            $token = substr($token, 7);
+        }
+
+        // 如果没有 token，返回 401
+        if (!$token) {
             return json([
                 'code' => 401,
-                'message' => 'Unauthorized',
+                'message' => '未登录',
                 'data' => null,
-            ], 401);
+            ]);
         }
 
-        // 解析 Token 并设置用户信息到请求
+        // 验证 token
         $payload = JwtUtil::decode($token);
-        if ($payload) {
-            $request->userId = $payload['user_id'] ?? null;
-            $request->companyId = $payload['company_id'] ?? null;
+        if (!$payload) {
+            return json([
+                'code' => 401,
+                'message' => '登录已过期',
+                'data' => null,
+            ]);
         }
 
-        return $handler($request);
+        // 将用户ID注入到请求中
+        $request->userId = (int) ($payload['user_id'] ?? 0);
+        $request->companyId = (int) ($payload['company_id'] ?? 0);
+
+        return $next($request);
     }
 }

backend/app/model/ApprovalFlow.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Model;
+namespace app\model;
 
 use Illuminate\Database\Eloquent\Model;
 

backend/app/model/ApprovalNode.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Model;
+namespace app\model;
 
 use Illuminate\Database\Eloquent\Model;
 

backend/app/model/ApprovalOrder.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Model;
+namespace app\model;
 
 use Illuminate\Database\Eloquent\Model;
 

backend/app/model/ApprovalRecord.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Model;
+namespace app\model;
 
 use Illuminate\Database\Eloquent\Model;
 

backend/app/model/BusinessTrip.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Model;
+namespace app\model;
 
 use Illuminate\Database\Eloquent\Model;
 

backend/app/model/BusinessTripItinerary.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Model;
+namespace app\model;
 
 use Illuminate\Database\Eloquent\Model;
 

backend/app/model/Company.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Model;
+namespace app\model;
 
 use Illuminate\Database\Eloquent\Model;
 

backend/app/model/CompanyFeishuApp.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Model;
+namespace app\model;
 
 use Illuminate\Database\Eloquent\Model;
 

backend/app/model/User.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Model;
+namespace app\model;
 
 use Illuminate\Database\Eloquent\Model;
 

backend/app/service/ApprovalService.php

@@ -1,13 +1,13 @@
 <?php
 
-namespace App\Service;
+namespace app\service;
 
-use App\Model\ApprovalFlow;
-use App\Model\ApprovalNode;
-use App\Model\ApprovalOrder;
-use App\Model\ApprovalRecord;
-use App\Model\User;
-use App\Util\Db;
+use app\model\ApprovalFlow;
+use app\model\ApprovalNode;
+use app\model\ApprovalOrder;
+use app\model\ApprovalRecord;
+use app\model\User;
+use app\util\Db;
 use Illuminate\Database\Connection;
 
 class ApprovalService

backend/app/service/BusinessTripService.php

@@ -1,14 +1,14 @@
 <?php
 
-namespace App\Service;
+namespace app\service;
 
-use App\Model\BusinessTrip;
-use App\Model\BusinessTripItinerary;
-use App\Model\ApprovalOrder;
-use App\Model\ApprovalFlow;
-use App\Model\ApprovalRecord;
-use App\Model\User;
-use App\Util\Db;
+use app\model\BusinessTrip;
+use app\model\BusinessTripItinerary;
+use app\model\ApprovalOrder;
+use app\model\ApprovalFlow;
+use app\model\ApprovalRecord;
+use app\model\User;
+use app\util\Db;
 use Illuminate\Database\Connection;
 
 class BusinessTripService
@@ -165,15 +165,43 @@ class BusinessTripService
 
         switch ($type) {
             case 'my':
+                // 我发起的：当前用户创建的申请
                 $query->where('user_id', $userId);
                 break;
             case 'pending':
-                // 获取待审批的申请
+                // 待我审批：需要查询当前用户是审批人且还未审批的申请
                 $pendingOrderIds = ApprovalOrder::where('status', ApprovalOrder::STATUS_PENDING)
                     ->where('business_type', 'business_trip')
-                    ->pluck('business_id')
+                    ->pluck('id')
                     ->toArray();
-                $query->whereIn('id', $pendingOrderIds);
+
+                if (empty($pendingOrderIds)) {
+                    $query->whereRaw('1 = 0'); // 返回空结果
+                } else {
+                    // 获取这些审批单中当前用户待审批的，排除已审批的
+                    $approvedOrderIds = ApprovalRecord::whereIn('order_id', $pendingOrderIds)
+                        ->where('approver_id', $userId)
+                        ->whereIn('action', ['approve', 'reject'])
+                        ->pluck('order_id')
+                        ->toArray();
+
+                    $pendingOrderIds = array_diff($pendingOrderIds, $approvedOrderIds);
+
+                    $query->whereIn('approval_order_id', $pendingOrderIds);
+                }
+                break;
+            case 'approved':
+                // 我已审批：当前用户已经审批过的申请
+                $approvedOrderIds = ApprovalRecord::where('approver_id', $userId)
+                    ->whereIn('action', ['approve', 'reject'])
+                    ->pluck('order_id')
+                    ->toArray();
+
+                if (empty($approvedOrderIds)) {
+                    $query->whereRaw('1 = 0'); // 返回空结果
+                } else {
+                    $query->whereIn('approval_order_id', $approvedOrderIds);
+                }
                 break;
         }
 
@@ -194,10 +222,32 @@ class BusinessTripService
     /**
      * 获取出差申请详情
      */
-    public function getDetail(int $id): BusinessTrip
+    public function getDetail(int $id): array
     {
-        return BusinessTrip::with(['user', 'itineraries'])
+        $businessTrip = BusinessTrip::with(['user', 'itineraries'])
             ->findOrFail($id);
+
+        $result = $businessTrip->toArray();
+
+        // 获取审批单信息
+        if ($businessTrip->approval_order_id) {
+            $approvalOrder = ApprovalOrder::with(['records.approver'])
+                ->find($businessTrip->approval_order_id);
+
+            if ($approvalOrder) {
+                $result['approval_order'] = $approvalOrder->toArray();
+
+                // 获取审批人和抄送人信息
+                $formData = $approvalOrder->form_data ?? [];
+                $result['approvers'] = $formData['approvers'] ?? [];
+                $result['cc_users'] = $formData['cc_users'] ?? [];
+
+                // 获取审批记录
+                $result['approval_records'] = $approvalOrder->records->toArray();
+            }
+        }
+
+        return $result;
     }
 
     /**
@@ -300,4 +350,113 @@ class BusinessTripService
 
         return $businessTrip->fresh();
     }
+
+    /**
+     * 删除草稿
+     */
+    public function deleteDraft(int $userId, int $id): bool
+    {
+        $businessTrip = BusinessTrip::findOrFail($id);
+
+        if ($businessTrip->user_id !== $userId) {
+            throw new \Exception('无权操作此申请');
+        }
+
+        if ($businessTrip->status !== BusinessTrip::STATUS_DRAFT) {
+            throw new \Exception('只能删除草稿');
+        }
+
+        return $this->db->transaction(function () use ($businessTrip) {
+            // 删除行程明细
+            BusinessTripItinerary::where('business_trip_id', $businessTrip->id)->delete();
+
+            // 删除申请
+            return $businessTrip->delete();
+        });
+    }
+
+    /**
+     * 审批操作
+     */
+    public function approve(int $userId, int $businessTripId, string $action, string $comment = ''): BusinessTrip
+    {
+        return $this->db->transaction(function () use ($userId, $businessTripId, $action, $comment) {
+            $businessTrip = BusinessTrip::with(['itineraries', 'approvalOrder'])->findOrFail($businessTripId);
+
+            if (!$businessTrip->approval_order_id) {
+                throw new \Exception('未找到审批单');
+            }
+
+            $approvalOrder = $businessTrip->approvalOrder;
+
+            if ($approvalOrder->status !== ApprovalOrder::STATUS_PENDING) {
+                throw new \Exception('当前状态无法审批');
+            }
+
+            // 检查用户是否是当前审批人
+            $currentNodes = $approvalOrder->current_nodes ?? [];
+            $isApprover = false;
+
+            foreach ($currentNodes as $nodeId) {
+                $node = ApprovalNode::where('order_id', $approvalOrder->id)
+                    ->where('id', $nodeId)
+                    ->first();
+
+                if (!$node) {
+                    continue;
+                }
+
+                // 检查是否是单人审批节点
+                if ($node->node_type === 'single_approve') {
+                    $approvers = $node->approvers ?? [];
+                    if (in_array($userId, $approvers)) {
+                        $isApprover = true;
+                        break;
+                    }
+                }
+            }
+
+            if (!$isApprover) {
+                throw new \Exception('您不是当前审批人');
+            }
+
+            // 检查是否已经审批过
+            $existingRecord = ApprovalRecord::where('order_id', $approvalOrder->id)
+                ->where('approver_id', $userId)
+                ->whereIn('action', ['approve', 'reject'])
+                ->first();
+
+            if ($existingRecord) {
+                throw new \Exception('您已经审批过了');
+            }
+
+            // 记录审批操作
+            ApprovalRecord::create([
+                'order_id' => $approvalOrder->id,
+                'node_id' => $currentNodes[0] ?? 1,
+                'node_type' => 'single_approve',
+                'approver_id' => $userId,
+                'action' => $action,
+                'comment' => $comment,
+            ]);
+
+            // 更新审批单状态
+            if ($action === 'reject') {
+                // 拒绝：直接结束流程
+                $approvalOrder->status = ApprovalOrder::STATUS_REJECTED;
+                $approvalOrder->current_nodes = [];
+                $businessTrip->status = BusinessTrip::STATUS_REJECTED;
+            } else {
+                // 同意：检查是否还有后续节点（简化版：直接通过）
+                $approvalOrder->status = ApprovalOrder::STATUS_APPROVED;
+                $approvalOrder->current_nodes = [];
+                $businessTrip->status = BusinessTrip::STATUS_APPROVED;
+            }
+
+            $approvalOrder->save();
+            $businessTrip->save();
+
+            return $businessTrip->fresh(['itineraries', 'approvalOrder']);
+        });
+    }
 }

backend/app/service/FeishuService.php

@@ -1,11 +1,11 @@
 <?php
 
-namespace App\Service;
+namespace app\service;
 
-use App\Model\Company;
-use App\Model\CompanyFeishuApp;
-use App\Model\User;
-use App\Util\Db;
+use app\model\Company;
+use app\model\CompanyFeishuApp;
+use app\model\User;
+use app\util\Db;
 
 class FeishuService
 {

backend/app/util/Db.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Util;
+namespace app\util;
 
 use Illuminate\Database\Capsule\Manager as Capsule;
 use Illuminate\Events\Dispatcher;

backend/app/util/JwtUtil.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Util;
+namespace app\util;
 
 use Firebase\JWT\JWT;
 use Firebase\JWT\Key;

backend/app/util/Lang.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Util;
+namespace app\util;
 
 /**
  * 多语言翻译类