Add employee serial QR query support

services/employees_service.go

@@ -147,7 +147,7 @@ func (s *EmployeeSerialsService) generateWithDB(
 // Query 查询员工序列号信息
 func (s *EmployeeSerialsService) Query(serialNumber string) (*models.EmployeeSerial, error) {
 	var serial models.EmployeeSerial
-	result := database.DB.Preload("User").Where("serial_number = ?", strings.ToUpper(serialNumber)).First(&serial)
+	result := database.DB.Preload("User").Preload("Employee").Where("serial_number = ?", strings.ToUpper(serialNumber)).First(&serial)
 	if result.Error != nil {
 		return nil, fmt.Errorf("查询员工序列号失败: %w", errors.New("序列号不存在"))
 	}
@@ -161,7 +161,7 @@ func (s *EmployeeSerialsService) FindAll(page int, limit int, search string) ([]
 	var total int64
 
 	offset := (page - 1) * limit
-	db := database.DB.Preload("User")
+	db := database.DB.Preload("User").Preload("Employee")
 
 	// 搜索条件
 	if search != "" {

services/users_service_test.go

@@ -51,6 +51,15 @@ func TestUsersService_Create_EmployeeWithoutPasswordGeneratesSerial(t *testing.T
 	assert.NoError(t, database.DB.Where("employee_no = ?", "employee_no_pwd").First(&user).Error)
 	assert.Empty(t, user.Password)
 
+	serialService := EmployeeSerialsService{}
+	serial, err := serialService.Query(dto.EmployeeSerials[0].SerialNumber)
+	assert.NoError(t, err)
+	assert.NotNil(t, serial.Employee)
+	assert.Equal(t, "普通员工", serial.Employee.Name)
+	assert.Equal(t, "13800000002", serial.Employee.Phone)
+	assert.Equal(t, "employee_no_pwd", serial.Employee.EmployeeNo)
+	assert.Equal(t, "生产员工", serial.Employee.Position)
+
 	database.DB.Unscoped().Where("employee_id = ?", user.ID).Delete(&models.EmployeeSerial{})
 	database.DB.Unscoped().Delete(&user)
 }