【策划架构】Lua惰性初始化：裁决之杖价目表首次访问才加载

local priceAll = {}
for i = 1, 40 do
    priceAll[i] = loadPrice(i)       -- 启动全量加载，18MB冷数据
end

local cache = {}
local function getPrice(i)
    local t = cache[i]
    if not t then
        t = loadPrice(i)             -- 首次访问才加载
        cache[i] = t
    end
    return t
end
sendmsg(actor, 1, "裁决之杖标价 "
    .. getPrice(3)["裁决之杖"] .. " 金")