fix: 对齐field_to_perm与sys_element权限码 + 税率6% + 含税总价反算

- buy/semi/product: 数量字段映射对齐sys_element实际注册码(qty_inbound/qty_stock/qty_available)
- 数据库: 补全buy(9)+semi(10)+product(13)缺失权限码
- deploy_production.sql: 同步更新
- buy.vue: 税率新增6%选项, 价格联动以含税为主输入, 税率变化保持最后编辑价格不变
- buy.vue: 新增含税总价可输入反算功能

db_migrations/deploy_production.sql

@@ -0,0 +1,206 @@
+-- ============================================================
+-- 生产环境部署 SQL（可直接在 DataGrip 中执行）
+-- 涵盖: 表结构变更 + 权限码补全 + 默认分配
+-- ============================================================
+
+BEGIN;
+
+-- ============================================================
+-- 一、表结构变更
+-- ============================================================
+
+-- 1. 采购申请表新增 base_id（关联物料基础信息）
+ALTER TABLE purchase_request ADD COLUMN IF NOT EXISTS base_id INTEGER;
+
+-- 2. 采购入库表新增 request_id（关联采购申请单）
+ALTER TABLE stock_buy ADD COLUMN IF NOT EXISTS request_id INTEGER;
+
+-- 3. 角色权限表新增 company_name（支持公司级别权限隔离）
+ALTER TABLE sys_role_permission ADD COLUMN IF NOT EXISTS company_name VARCHAR(255);
+
+
+-- ============================================================
+-- 二、补全 sys_element 权限码（确保权限分配页面可见）
+-- ============================================================
+
+-- 2.1 采购入库字段权限（14个缺失码）
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_buy', '基础物料ID',    'inbound_buy:base_id',             'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_buy:base_id');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_buy', '全局打印ID',    'inbound_buy:global_print_id',     'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_buy:global_print_id');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_buy', '强制质检标记',  'inbound_buy:isInspectionRequired', 'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_buy:isInspectionRequired');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_buy', '入库数量',      'inbound_buy:in_quantity',         'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_buy:in_quantity');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_buy', '当前库存',      'inbound_buy:stock_quantity',      'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_buy:stock_quantity');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_buy', '当前可用',      'inbound_buy:available_quantity',  'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_buy:available_quantity');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_buy', '含税单价',      'inbound_buy:post_tax_unit_price', 'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_buy:post_tax_unit_price');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_buy', '采购邮箱',      'inbound_buy:purchaser_email',     'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_buy:purchaser_email');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_buy', '原始链接',      'inbound_buy:source_link',         'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_buy:source_link');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_buy', '详情链接',      'inbound_buy:detail_link',         'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_buy:detail_link');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_buy', '到货图片',      'inbound_buy:arrival_photo',       'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_buy:arrival_photo');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_buy', '检测报告',      'inbound_buy:inspection_report',   'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_buy:inspection_report');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_buy', '关联采购单ID',  'inbound_buy:request_id',          'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_buy:request_id');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_buy', '关联采购单号',  'inbound_buy:request_no',          'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_buy:request_no');
+
+-- 2.1b 入库半成品字段权限（对齐 field_to_perm）
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_semi', '基础物料ID',   'inbound_semi:base_id',              'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_semi:base_id');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_semi', '批号',         'inbound_semi:batch_number',         'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_semi:batch_number');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_semi', '序列号',       'inbound_semi:serial_number',        'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_semi:serial_number');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_semi', 'BOM版本',      'inbound_semi:bom_version',          'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_semi:bom_version');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_semi', '人工成本',     'inbound_semi:manual_cost',          'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_semi:manual_cost');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_semi', '生产开始时间', 'inbound_semi:production_start_time', 'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_semi:production_start_time');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_semi', '生产结束时间', 'inbound_semi:production_end_time',   'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_semi:production_end_time');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_semi', '到货图片',     'inbound_semi:arrival_photo',         'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_semi:arrival_photo');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_semi', '质检报告链接', 'inbound_semi:quality_report_link',   'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_semi:quality_report_link');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_semi', '详情链接',     'inbound_semi:detail_link',           'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_semi:detail_link');
+
+-- 2.1c 入库成品字段权限（对齐 field_to_perm）
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_product', '基础物料ID',   'inbound_product:base_id',              'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_product:base_id');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_product', '批号',         'inbound_product:batch_number',         'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_product:batch_number');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_product', '条形码',       'inbound_product:barcode',              'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_product:barcode');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_product', '序列号',       'inbound_product:serial_number',        'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_product:serial_number');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_product', 'BOM版本',      'inbound_product:bom_version',          'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_product:bom_version');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_product', '人工成本',     'inbound_product:manual_cost',          'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_product:manual_cost');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_product', '生产开始时间', 'inbound_product:production_start_time', 'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_product:production_start_time');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_product', '生产结束时间', 'inbound_product:production_end_time',   'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_product:production_end_time');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_product', '产品图片',     'inbound_product:product_photo',         'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_product:product_photo');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_product', '质检报告链接', 'inbound_product:quality_report_link',   'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_product:quality_report_link');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_product', '质检报告链接(入库)', 'inbound_product:inspection_report_link', 'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_product:inspection_report_link');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_product', '详情链接',     'inbound_product:detail_link',           'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_product:detail_link');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'inbound_product', '入库数量',     'inbound_product:qty_inbound',           'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'inbound_product:qty_inbound');
+
+-- 2.2 BOM 管理字段权限（5个缺失码）
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'bom_manage', '父件ID',   'bom_manage:parent_id',   'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'bom_manage:parent_id');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'bom_manage', '父件规格', 'bom_manage:parent_spec', 'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'bom_manage:parent_spec');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'bom_manage', '子件ID',   'bom_manage:child_id',    'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'bom_manage:child_id');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'bom_manage', '用量',     'bom_manage:dosage',      'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'bom_manage:dosage');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'bom_manage', '备注',     'bom_manage:remark',      'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'bom_manage:remark');
+
+-- 2.3 员工管理字段权限（8个缺失码）
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'system_user', '用户ID',   'system_user:id',         'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'system_user:id');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'system_user', '用户名',   'system_user:username',   'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'system_user:username');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'system_user', '账号ID',   'system_user:account_id', 'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'system_user:account_id');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'system_user', '邮箱',     'system_user:email',      'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'system_user:email');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'system_user', '部门',     'system_user:department',  'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'system_user:department');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'system_user', '角色',     'system_user:role',       'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'system_user:role');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'system_user', '状态',     'system_user:status',     'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'system_user:status');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'system_user', '创建时间', 'system_user:created_at', 'column' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'system_user:created_at');
+
+-- 2.4 系统管理操作权限（2个）
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'system_mgmt', '全局跨域访问', 'crossDomain',                 'element' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'crossDomain');
+INSERT INTO sys_element (menu_code, name, code, element_type)
+SELECT 'system_mgmt', '权限分配操作', 'system_permission:operation', 'element' WHERE NOT EXISTS (SELECT 1 FROM sys_element WHERE code = 'system_permission:operation');
+
+
+-- ============================================================
+-- 三、补全 sys_role_permission（给各角色分配新权限码）
+-- ============================================================
+
+-- 3.1 BOM 权限 → 分配给已有 BOM 权限的角色
+INSERT INTO sys_role_permission (role_code, target_code, type, company_name)
+SELECT rp.role_code, elem.code, 'element', rp.company_name
+FROM (SELECT DISTINCT role_code, company_name FROM sys_role_permission WHERE target_code LIKE 'bom_manage:%') rp
+CROSS JOIN (SELECT unnest(ARRAY['bom_manage:parent_id','bom_manage:parent_spec','bom_manage:child_id','bom_manage:dosage','bom_manage:remark','bom_manage:operation']) AS code) elem
+WHERE NOT EXISTS (
+  SELECT 1 FROM sys_role_permission rp2
+  WHERE rp2.role_code = rp.role_code AND rp2.target_code = elem.code
+    AND COALESCE(rp2.company_name, '') = COALESCE(rp.company_name, '')
+);
+
+-- 3.2 员工管理字段权限 → 分配给 SUPER_ADMIN 和 SUPERVISOR
+INSERT INTO sys_role_permission (role_code, target_code, type)
+SELECT r.role, elem.code, 'element'
+FROM (SELECT unnest(ARRAY['SUPER_ADMIN','SUPERVISOR']) AS role) r
+CROSS JOIN (
+  SELECT unnest(ARRAY['system_user:id','system_user:username','system_user:account_id','system_user:email','system_user:department','system_user:role','system_user:status','system_user:created_at','system_user:operation']) AS code
+) elem
+WHERE NOT EXISTS (
+  SELECT 1 FROM sys_role_permission rp
+  WHERE rp.role_code = r.role AND rp.target_code = elem.code AND rp.type = 'element'
+);
+
+-- 3.3 crossDomain → 仅 SUPER_ADMIN 默认拥有（其他角色通过权限页手动勾选）
+INSERT INTO sys_role_permission (role_code, target_code, type)
+SELECT 'SUPER_ADMIN', 'crossDomain', 'element'
+WHERE NOT EXISTS (SELECT 1 FROM sys_role_permission WHERE role_code = 'SUPER_ADMIN' AND target_code = 'crossDomain');
+
+-- 3.4 system_permission:operation → 分配给 SUPER_ADMIN 和 SUPERVISOR
+INSERT INTO sys_role_permission (role_code, target_code, type)
+SELECT 'SUPER_ADMIN', 'system_permission:operation', 'element'
+WHERE NOT EXISTS (SELECT 1 FROM sys_role_permission WHERE role_code = 'SUPER_ADMIN' AND target_code = 'system_permission:operation');
+
+INSERT INTO sys_role_permission (role_code, target_code, type)
+SELECT 'SUPERVISOR', 'system_permission:operation', 'element'
+WHERE NOT EXISTS (SELECT 1 FROM sys_role_permission WHERE role_code = 'SUPERVISOR' AND target_code = 'system_permission:operation');
+
+-- 3.5 system_mgmt / system_permission / system_audit → SUPERVISOR
+INSERT INTO sys_role_permission (role_code, target_code, type)
+SELECT 'SUPERVISOR', code, 'menu'
+FROM sys_menu
+WHERE code IN ('system_mgmt', 'system_permission', 'system_audit')
+  AND NOT EXISTS (SELECT 1 FROM sys_role_permission rp WHERE rp.role_code = 'SUPERVISOR' AND rp.target_code = sys_menu.code AND rp.type = 'menu');
+
+-- ============================================================
+-- 四、验证
+-- ============================================================
+SELECT '=== 验证 ===' AS info;
+
+SELECT '表结构' AS item, column_name, data_type
+FROM information_schema.columns
+WHERE table_name IN ('purchase_request', 'stock_buy', 'sys_role_permission')
+  AND column_name IN ('base_id', 'request_id', 'company_name')
+ORDER BY table_name, column_name;
+
+SELECT '权限码总数' AS item, count(*) FROM sys_element;
+
+SELECT '角色权限总数' AS item, count(*) FROM sys_role_permission;
+
+COMMIT;

inventory-backend/app/api/v1/inbound/buy.py

@@ -62,16 +62,16 @@ def filter_item_by_permissions(item_dict, user_permissions):
         # 状态
         'status': 'inbound_buy:status',
         'inspection_status': 'inbound_buy:inspection_status',
-        # 数量（三组命名，覆盖 model to_dict 中所有 key）
-        'in_quantity': 'inbound_buy:in_quantity',
-        'qty_inbound': 'inbound_buy:in_quantity',
-        'stock_quantity': 'inbound_buy:stock_quantity',
-        'qty_stock': 'inbound_buy:stock_quantity',
-        'available_quantity': 'inbound_buy:available_quantity',
-        'qty_available': 'inbound_buy:available_quantity',
+        # 数量（对齐 sys_element 中实际存在的权限码）
+        'in_quantity': 'inbound_buy:qty_inbound',
+        'qty_inbound': 'inbound_buy:qty_inbound',
+        'stock_quantity': 'inbound_buy:qty_stock',
+        'qty_stock': 'inbound_buy:qty_stock',
+        'available_quantity': 'inbound_buy:qty_available',
+        'qty_available': 'inbound_buy:qty_available',
         # 价格
         'unit_price': 'inbound_buy:unit_price',
-        'post_tax_unit_price': 'inbound_buy:post_tax_unit_price',
+        'post_tax_unit_price': 'inbound_buy:unit_price',
         'total_price': 'inbound_buy:total_price',
         'tax_rate': 'inbound_buy:tax_rate',
         'currency': 'inbound_buy:currency',

inventory-backend/app/api/v1/inbound/product.py

@@ -27,8 +27,8 @@ def filter_item_by_permissions(item_dict, user_permissions):
         'unit': 'inbound_product:unit', 'sku': 'inbound_product:sku', 'inbound_date': 'inbound_product:inbound_date',
         'barcode': 'inbound_product:barcode', 'serial_number': 'inbound_product:serial_number',
         'status': 'inbound_product:status', 'quality_status': 'inbound_product:quality_status',
-        'in_quantity': 'inbound_product:in_quantity', 'stock_quantity': 'inbound_product:stock_quantity',
-        'available_quantity': 'inbound_product:available_quantity', 'warehouse_location': 'inbound_product:warehouse_location',
+        'in_quantity': 'inbound_product:qty_inbound', 'stock_quantity': 'inbound_product:qty_stock',
+        'available_quantity': 'inbound_product:qty_available', 'warehouse_location': 'inbound_product:warehouse_loc',
         'bom_code': 'inbound_product:bom_code', 'bom_version': 'inbound_product:bom_version',
         'work_order_code': 'inbound_product:work_order_code', 'order_id': 'inbound_product:order_id',
         'production_manager': 'inbound_product:production_manager', 'production_start_time': 'inbound_product:production_start_time',

inventory-backend/app/api/v1/inbound/semi.py

@@ -27,9 +27,9 @@ def filter_item_by_permissions(item_dict, user_permissions):
         'unit': 'inbound_semi:unit', 'sku': 'inbound_semi:sku', 'inbound_date': 'inbound_semi:inbound_date',
         'barcode': 'inbound_semi:barcode', 'serial_number': 'inbound_semi:serial_number',
         'batch_number': 'inbound_semi:batch_number', 'status': 'inbound_semi:status',
-        'quality_status': 'inbound_semi:quality_status', 'in_quantity': 'inbound_semi:in_quantity',
-        'stock_quantity': 'inbound_semi:stock_quantity', 'available_quantity': 'inbound_semi:available_quantity',
-        'warehouse_location': 'inbound_semi:warehouse_location', 'bom_code': 'inbound_semi:bom_code',
+        'quality_status': 'inbound_semi:quality_status', 'in_quantity': 'inbound_semi:qty_inbound',
+        'stock_quantity': 'inbound_semi:qty_stock', 'available_quantity': 'inbound_semi:qty_available',
+        'warehouse_location': 'inbound_semi:warehouse_loc', 'bom_code': 'inbound_semi:bom_code',
         'bom_version': 'inbound_semi:bom_version', 'work_order_code': 'inbound_semi:work_order_code',
         'raw_material_cost': 'inbound_semi:raw_material_cost', 'manual_cost': 'inbound_semi:manual_cost',
         'unit_total_cost': 'inbound_semi:unit_total_cost', 'production_manager': 'inbound_semi:production_manager',

inventory-web/src/views/stock/inbound/buy.vue

@@ -529,6 +529,7 @@
                     <el-select v-model="form.tax_rate" style="width:100%" @change="updatePrices('tax')">
                       <el-option label="0%" :value="0" />
                       <el-option label="1%" :value="1" />
+                      <el-option label="6%" :value="6" />
                       <el-option label="13%" :value="13" />
                     </el-select>
                   </el-form-item>
@@ -575,6 +576,22 @@
                 </el-col>
               </el-row>
 
+              <el-row :gutter="20" v-if="hasFormFieldPermission('total_price') && form.tax_rate > 0">
+                <el-col :span="8">
+                  <el-form-item label="含税总价">
+                    <el-input-number
+                        v-model="form._post_tax_total_price"
+                        :precision="2"
+                        :controls="false"
+                        style="width:100%"
+                        class="total-price-input"
+                        placeholder="输入含税总价反算"
+                        @change="updatePrices('post_total')"
+                    />
+                  </el-form-item>
+                </el-col>
+              </el-row>
+
               <el-row :gutter="20" style="margin-top: 15px;">
                 <el-col :span="8">
                   <el-form-item label="供应商">
@@ -1161,7 +1178,8 @@ const form = reactive({
   supplier_name: '', purchaser: '', purchaser_email: '', source_link: '', detail_link: '',
   arrival_photo: [] as string[], inspection_report: [] as string[],
   print_copies: 1,
-  request_id: undefined as number | undefined  // [新增] 关联采购申请单
+  request_id: undefined as number | undefined,  // [新增] 关联采购申请单
+  _post_tax_total_price: undefined as number | undefined  // 含税总价（仅前端输入用，不提交后端）
 })
 
 // ------------------------------------
@@ -1364,38 +1382,61 @@ const handleEntryModeChange = (val: string) => {
     if(formRef.value) formRef.value.clearValidate('batch_number')
   }
 }
-// 价格联动计算 (精确到小数点后2位，并支持空值)
+// 价格联动：含税单价为主输入，不含税价格自动反算
+// 追踪用户最后编辑的是含税还是不含税（'pre' | 'post'）
+const lastPriceEdit = ref<'pre' | 'post'>('post')  // 默认以含税为主
+
 const updatePrices = (source: string) => {
   const taxMultiplier = 1 + (form.tax_rate || 0) / 100;
+
   if (source === 'pre') {
-    if (form.unit_price !== undefined && form.unit_price !== null) {
+    // 用户编辑了不含税单价 → 反推含税
+    lastPriceEdit.value = 'pre'
+    if (form.unit_price != null) {
       form.post_tax_unit_price = Number((form.unit_price * taxMultiplier).toFixed(2));
     } else {
       form.post_tax_unit_price = undefined;
     }
   } else if (source === 'post') {
-    if (form.post_tax_unit_price !== undefined && form.post_tax_unit_price !== null) {
-      form.unit_price = Number((form.post_tax_unit_price / taxMultiplier).toFixed(2));
+    // 用户编辑了含税单价 → 反推不含税
+    lastPriceEdit.value = 'post'
+    if (form.post_tax_unit_price != null) {
+      form.unit_price = Number((form.post_tax_unit_price / taxMultiplier).toFixed(4));
     } else {
       form.unit_price = undefined;
     }
   } else if (source === 'tax') {
-    if (form.unit_price !== undefined && form.unit_price !== null) {
+    // 税率变化：保持用户最后编辑的那个价格不变，重算另一个
+    if (lastPriceEdit.value === 'post' && form.post_tax_unit_price != null) {
+      form.unit_price = Number((form.post_tax_unit_price / taxMultiplier).toFixed(4));
+    } else if (form.unit_price != null) {
       form.post_tax_unit_price = Number((form.unit_price * taxMultiplier).toFixed(2));
     }
+  } else if (source === 'post_total') {
+    // 用户输入了含税总价 → 反推不含税总价和单价
+    lastPriceEdit.value = 'post'
+    const postTaxTotal = form._post_tax_total_price
+    if (postTaxTotal != null && form.in_quantity > 0) {
+      const preTaxTotal = postTaxTotal / taxMultiplier
+      form.total_price = Number(preTaxTotal.toFixed(2))
+      form.unit_price = Number((preTaxTotal / form.in_quantity).toFixed(4))
+      form.post_tax_unit_price = Number((form.unit_price * taxMultiplier).toFixed(2))
+    }
+    return  // 已完整计算，跳过下面的总价逻辑
   }
 
-  if (form.in_quantity !== undefined && form.unit_price !== undefined && form.unit_price !== null) {
+  // 计算不含税总价
+  if (form.in_quantity > 0 && form.unit_price != null) {
     form.total_price = Number((form.in_quantity * form.unit_price).toFixed(2));
   } else {
     form.total_price = undefined;
   }
 }
 
+// 数量或不含税单价变化 → 自动推总价和含税单价
 watch(() => [form.in_quantity, form.unit_price], () => {
-  if (form.unit_price !== undefined && form.unit_price !== null) {
+  if (form.unit_price != null && form.in_quantity > 0) {
     form.total_price = Number((form.in_quantity * form.unit_price).toFixed(2));
-    // 同时更新含税单价
     const taxMultiplier = 1 + (form.tax_rate || 0) / 100;
     form.post_tax_unit_price = Number((form.unit_price * taxMultiplier).toFixed(2));
   } else {
@@ -2005,7 +2046,8 @@ const resetForm = () => {
     tax_rate: 0,
     currency: 'CNY', exchange_rate: 1.00, supplier_name: '', purchaser: '', purchaser_email: '', source_link: '', detail_link: '', arrival_photo: [], inspection_report: [],
     print_copies: 1,
-    request_id: undefined
+    request_id: undefined,
+    _post_tax_total_price: undefined
   })
 }
 const getStatusType = (status: string) => { const map: any = {'在库': 'success', '出库': 'info', '损耗': 'danger'}; return map[status] || 'warning' }