摆摊自动回复：挂售期间的买家留言回执

local function onChatBad(name)
    -- 每句话都回，买家连发 5 句被刷 5 条
    sendmsg(getplayerbyname(name), 1, REPLY_TEXT)
end

local function onChat(name)
    local p = getplayerbyname(name)
    local t = (getplayvar(p, "stallRplyT") or 0)
    if os.time() - t < 300 then
        return   -- 5 分钟内只回一次
    end
    setplayvar(p, "stallRplyT", os.time())
    sendmsg(p, 1, "摊主不在，价格见牌：3000 金币一件")
end