php tp5创建service

 
public $db;

    public function __construct()
    {
        parent::__construct();
        $this->db = new WarehouseOrderPerson();
    }

    public function create($data)
    {
        return $this->db->add($data) > 0 ? ret_ok('创建成功') : ret_no('创建失败');
    }

    public function delete()
    {
        $this->request->post(['is_delete' => 1]);
        return $this->db->modifyOne_byId(input('post.')) > 0 ? ret_ok('删除成功') : ret_no('删除失败');
    }

    public function modify()
    {
        return $this->db->modifyOne_byId(input('post')) > 0 ? ret_ok('修改成功') : ret_no('修改失败');
    }