光标移上去，提示 unresolved reference OrderService

main文件源代码

//1.创建iris 实例
	app := iris.New()
	//2.设置错误模式，在mvc模式下提示错误
	app.Logger().SetLevel("debug")
	//3.注册模板
	tmplate := iris.HTML("./fronted/web/views", ".html").Layout("shared/layout.html").Reload(true)
	app.RegisterView(tmplate)
	//4.设置模板
	app.StaticWeb("/public", "./fronted/web/public")
	//访问生成好的html静态文件
	app.StaticWeb("/html", "./fronted/web/htmlProductShow")
	//出现异常跳转到指定页面
	app.OnAnyErrorCode(func(ctx iris.Context) {
		ctx.ViewData("message", ctx.Values().GetStringDefault("message", "访问的页面出错！"))
		ctx.ViewLayout("")
		ctx.View("shared/error.html")
	})
	//连接数据库
	db, err := common.NewMysqlConn()
	if err != nil {

	}
	sess := sessions.New(sessions.Config{
		Cookie:"AdminCookie",
		Expires:600*time.Minute,
	})
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	user := repositories.NewUserRepository("user", db)
	userService := services.NewService(user)
	userPro := mvc.New(app.Party("/user"))
	userPro.Register(userService, ctx,sess)
	userPro.Handle(new(controllers.UserController))

	//注册product控制器
	product := repositories.NewProductManager("product", db)
	productService := services.NewProductService(product)
	order := repositories.NewOrderMangerRepository("order", db)
	orderService := services.NewOrderService(order)
	proProduct := app.Party("/product")
	pro := mvc.New(proProduct)
	proProduct.Use(middlerware.AuthConProduct)
	pro.Register(productService, orderService)
	pro.Handle(new(controllers.ProductController))

	app.Run(
		iris.Addr("0.0.0.0:8082"),
		iris.WithoutServerError(iris.ErrServerClosed),
		iris.WithOptimizations,
	)

product_controller源代码

func (p *ProductController) GetOrder() mvc.View {
	productString := p.Ctx.URLParam("productID")
	userString := p.Ctx.GetCookie("uid")
	productID, err := strconv.Atoi(productString)

	if err != nil {
		p.Ctx.Application().Logger().Debug(err)
	}
	product, err := p.ProductService.GetProductById(int64(productID))
	if err != nil {
		p.Ctx.Application().Logger().Debug(err)
	}
	//判断商品数量是否满足需求
	var orderID int64
	showMessage := "抢购失败！"
	if product.ProductNum > 0 {
		//扣除商品数量
		product.ProductNum -=1
		err := p.ProductService.UpdateProduct(product)
		if err != nil {
			p.Ctx.Application().Logger().Debug(err)
		}
		//创建订单
		userID, err := strconv.Atoi(userString)
		if err != nil {
			p.Ctx.Application().Logger().Debug(err)
		}
		order := &datamodels.Order{
			UserId:      int64(userID),
			ProductId:   int64(productID),
			OrderStatus: datamodels.OrderSuccess,
		}
		//新建订单
		orderID, err = p.OrderService.InsertOrder(order)
		if err != nil {
			p.Ctx.Application().Logger().Debug(err)
		} else {
			showMessage = "抢购成功！"
		}
	}
	return mvc.View{
		Layout: "shared/productLayout.html",
		Name:   "product/result.html",
		Data: iris.Map{
			"orderID":     orderID,
			"showMessage": showMessage,
		},
	}
}