【进阶实战】Lua配置层叠：裁决之杖行会价的优先级覆盖链

PRICE["裁决之杖"] = 999          -- 直接改全局层，全服商店遭殃
local function shopPrice(item)
    return PRICE[item]
end

local BASE = {["裁决之杖"] = 15001}
local GUILD = {["裁决之杖"] = 14000}
local TMP = {}                     -- 玩家临时折扣层
local function shopPrice(item)
    return TMP[item] or GUILD[item] or BASE[item]
end
sendmsg(actor, 1, "当前售价 " .. shopPrice("裁决之杖") .. " 金")