cocos_ Lua listview loads too much data

establish QuickCell file  
local QuickCell = class("QuickCell", function() 
    return ccui.Widget:create() 
end)

-- self._data.wid               default 100
-- self._data.hei               default 50
-- self._data.anchor            default {x=0, y=0}
-- self._data.tick_interval     default 0.02
-- self._data.activeEvent       default inview
-- self._data.createCell        default nil

function QuickCell:ctor()
    self._entered = false
    self._active = true
end

function QuickCell:Create( data )
    local cell = QuickCell.new()
    if cell and cell:Init( data ) then
        return cell
    end

    return nil
end

function QuickCell:Init( data )
    self._data = data

    local wid = self._data.wid or 100
    local hei = self._data.hei or 50
    local anchor = self._data.anchor or {x=0, y=0}

    self:setContentSize( {width = wid, height = hei} )
    self:setAnchorPoint( anchor )

    self:Active()

    return true
end

function QuickCell:Update( data )
    local createCell = data.createCell
    self._data.createCell = createCell

    -- Perform the following exit , Easy to refresh immediately
    self:Exit()
end

function QuickCell:Enter()
    if self._entered then
        return false
    end
    self._entered = true

    local createCell = self._data.createCell
    local wid = self._data.wid or 100
    local hei = self._data.hei or 50

    if not createCell then
        return false
    end

    local cell = createCell()
    if tolua.isnull(self) then
        return
    end
    self:addChild( cell )
    if not self._data.nobool then
       cell:setAnchorPoint({x=0.5, y=0.5})
       cell:setPosition({x=wid/2, y=hei/2})
    end
end

function QuickCell:Exit()
    if not self._entered then
        return false
    end
    self._entered = false

    self:removeAllChildren()
end

function QuickCell:Refresh()
    if not self._active then
        return false
    end

    local active = true

    local activeEvent = self._data.activeEvent
    if activeEvent then
        active = activeEvent()
    elseif self._data.eventX then
        local viewSize = global.Director:getVisibleSize()
        local pos = self:getWorldPosition()
        
        local wid = self._data.wid or 100
        local hei = self._data.hei or 50
        active = not ( pos.x >= viewSize.width + wid or pos.x <= -wid )
    else
        local viewSize = global.Director:getVisibleSize()
        local pos = self:getWorldPosition()
        
        local wid = self._data.wid or 100
        local hei = self._data.hei or 50
        active = not ( pos.y >= viewSize.height + hei or pos.y <= -hei )
    end

    if active then
        self:Enter()
    else
        self:Exit()
    end
end

function QuickCell:Active()
    self._active = true

    local tick_interval = self._data.tick_interval or 0.02
    self:stopAllActions()
    schedule(self, function()
        self:Refresh()      
    end, tick_interval)
end

function QuickCell:Sleep()
    self._active = false
    self:stopAllActions()
end

return QuickCell

Use in another file ：
local QuickCell = requireUtil("QuickCell")
function ActivityLayer:InitUI()
    local size = self.Panel_item:getContentSize()
  --  self.ListView_left:removeAllChildren()
    for i,v in pairs(self.needData) do
        local item =  self.ListView_left:getItem(i-1)
        if not item then
            local cell_data = {}
            cell_data.wid = size.width
            cell_data.hei = size.height
            cell_data.createCell = function()
                local cell = self:CreateCell(i,v)
                return cell
            end
            item = QuickCell:Create(cell_data)
            item:setName(i)
            self.ListView_left:pushBackCustomItem(item)   
        end
        item = UIGetChildByName(item, "item")
        if item then   -- Refresh data only
            item = ui_delegate(item)
            self:updateItem(item , v ,i, true)
        end
    end
    self.ListView_left:setSwallowTouches(false)
    self.ListView_left:forceDoLayout()
end

function ActivityLayer:CreateCell(index , v )
    local item = self.Panel_item:cloneEx()
    item:setVisible(true)
    item:setName("item")
    item = ui_delegate(item)
    self:updateItem(item, v,index)
    return item.nativeUI
end

function ActivityLayer:updateItem(item , data ,index,isUp )

    local listView = item.ListView_icon
    listView:setClippingType(0)
    listView:setSwallowTouches(false)  -- nesting listView Slide conflict resolution
    if not isUp then    -- Only modify the status without regenerating
        listView:removeAllChildren()
    end
    local rewardata = data.reward
    if rewardata and not isUp then
        for i,v in pairs(rewardata) do         
            local item1 = self.Panel_item_icon:cloneEx()
            local goods = GoodsItem:create({itemId=tonumber(v.itemId), count=tonumber(v.count), look=true})
            goods:setAnchorPoint(cc.p(0,0))
            goods:setItemTouchSwallow(false)
            goods:setScale(0.8)
            item1:getChildByName("Image_icon"):addChild(goods)
            item1:setVisible(true)
            listView:pushBackCustomItem(item1)
        end
    end
    item.Image_lingqu:setVisible(false)
    item.Button_go:addClickEventListener(function(sender)  
    end)
    
end