/// <summary>
/// 修改部门
/// </summary>
/// <param name="department">新部门对象</param>
/// <returns>成功返回新对象，否则null</returns>
public DepartmentItem updDepartmentService(DepartmentItem department)
{
department.company = account.company;
int result = departmentModel.updDepartment(department.getParent());
return(result > 0 ? department : null);
}
