-- 这里要注意的点是：虽然nAmount是局部变量，却在控件的响应函数中使用

-- 因为控件的响应函数是在该变量的区域内，所以可以用

-- 如果控件的响应函数在外部，那么该变量就要声明成为全局变量

function UIBagController:showUse(  )

    -- 赋值属性

    local nAmount = self.item.pileCount;

    local imageViewItem = tolua.cast(UIHelper:seekWidgetByName(self.panelUse, "ImageView_Item"), "ImageView");

    local labelItemDsc = tolua.cast(UIHelper:seekWidgetByName(self.panelUse, "Label_ItemDsc"), "Label");

    local lebGNum = tolua.cast(UIHelper:seekWidgetByName(self.panelUse, "lebGNum"), "Label");

    local btnNumDes = tolua.cast(UIHelper:seekWidgetByName(self.panelUse, "btnNumDes"), "Button");

    local btnGNumAdd = tolua.cast(UIHelper:seekWidgetByName(self.panelUse, "btnGNumAdd"), "Button");

    local btnMax = tolua.cast(UIHelper:seekWidgetByName(self.panelUse, "btnMax"), "Button");

    lebGNum:setText(nAmount .. "/99");

    btnNumDes:addTouchEventListener(function ( uiwidget, eventType )

        if eventType == TOUCH_EVENT_ENDED then

            -- 数字减少

            if nAmount >  then

                nAmount = nAmount - ;

                lebGNum:setText(nAmount .. "/99");

            end

        end;

    end);

    btnGNumAdd:addTouchEventListener(function ( uiwidget, eventType )

        if eventType == TOUCH_EVENT_ENDED then

            -- 数字增加

            if nAmount < self.item.pileCount then

                nAmount = nAmount + ;

                lebGNum:setText(nAmount .. "/99");

            end

        end;

    end);

    btnMax:addTouchEventListener(function ( uiwidget, eventType )

        if eventType == TOUCH_EVENT_ENDED then

            -- 数字直接到最大

            lebGNum:setText(self.item.pileCount .. "/99");

        end;

    end);

    imageViewItem:loadTexture(self.item:getIconPath());

    labelItemDsc:setText(self.item:getDsc());

    self:setLabelFont(labelItemDsc)

    local labelItenNum = tolua.cast(UIHelper:seekWidgetByName(self.panelUse, "Label_ItenNum"), "Label");

    self:showItemNum(self.item, labelItenNum)

    self.panelUse:setVisible(true)

    self.panelUse:setEnabled(true);

    self.panelUse:setTouchEnabled(true);

    self:hideDetail()

    self:hideSell()

end