ConfigItem = ConfigItem or BaseClass()
local ConfigItem = ConfigItem
local TimeUtil_getClientTime = TimeUtil.getClientTime
function ConfigItem:__init(res, max_count, callback)
	self.node_list = {}
	self.max_count = max_count
	self.count = 0
	self.load_succeed = false
	self.lua_config_name = false
	if res == "data_skill" then
		self.lua_config_name = "Skill"	
		if Config.Skill then  end
	elseif res == "data_mon" then
		self.lua_config_name = "Mon"	
   		if Config.Mon then  end
	elseif res == "data_goods" then
		self.lua_config_name = "Goods"
   		if Config.Goods then  end
	else
		--加载外部cdn资源
		local load_call_back = function(bytes)
			if bytes then
				self.data = dbParser:OpenDb(bytes)
			end
			if callback then
				callback()
			end
		end
		lua_resM:loadOutsideTextAsset(self,"client/luaconfig/"..res..".db",load_call_back)
	end

	--独立文件
	--local full_puth = res
	--self.data = dbParser:OpenDb(full_puth)
end

function ConfigItem:__delete()
	if self.data then
		self.data:deleteMe()
		self.data = nil
	end

	self.node_list = {}
end

function ConfigItem:GetItem(id)
	if id==nil then
		return nil
	end
	local node = self.node_list[id]
	if node ~= nil then
		node.time = TimeUtil_getClientTime()
		return node.item
	end

	node = {time = TimeUtil_getClientTime(),item = nil}
	self.count = self.count + 1
	ConfigItem.CheckCount(self, node.time + 100)
	node.item = ConfigItem.GetConfigItem(self, id)
	TmpCfgObj = nil
	self.node_list[id] = node

	return node.item
end

function ConfigItem:CheckCount(time)
	if self.count > self.max_count then
		local id = nil
		for key, node in pairs(self.node_list) do
			if node.time < time then
				time = node.time
				id = key
			end
		end

		if id ~= nil then
			self.node_list[id] = nil
			self.count = self.count - 1
		end
	end
end


function ConfigItem:GetConfigItem(id)
	if self.lua_config_name and id then
		local cfg = Config[self.lua_config_name]
		if type(id) == "string" then
			id = tonumber(id)
		end
		if cfg then
			local str = cfg[id]
			-- print("str =", id, str == nil)
			if str then
				local func = loadstring(str)
				if func then
					return func()
				end
			end
		end
	elseif self.data then
		local str = self.data:GetConfigItem(id)
		if str then
			local func = loadstring(str)
			if func then
				func()
				return TmpCfgObj
			end
		end
	end
end