玩家展示柜：装备陈列的个人橱窗

local function exhibit(actor, itemId)
    local n = getplayvar(actor, "expoN") or 0
    if n >= 8 then
        sendmsg(actor, 1, "展示柜 8 格已满")
        return
    end
    setplayvar(actor, "expo" .. (n + 1),
        itemId .. "@" .. os.date("%Y%m%d"))
    setplayvar(actor, "expoN", n + 1)
    sendmsg(actor, 1, "已入柜第 " .. (n + 1) .. " 格")
end

local function viewExpo(viewer, owner)
    local o = getplayerbyname(owner)
    local n = getplayvar(o, "expoN") or 0
    for i = 1, n do
        sendmsg(viewer, i .. " 号位："
            .. getplayvar(o, "expo" .. i))
    end
end