【案例复盘】好友赠体力刷积分事件：次数控制的补丁复盘

function giftVitality(actor, friendName)
    local player = class(actor)
    local got = tonumber(getplayvar(friendName, 2, "GIFT_GOT") or "0")
    setplayvar(actor, "HUMAN", "GIVE_CNT", (tonumber(getplayvar(actor, 2, "GIVE_CNT") or "0")) + 1, 1)
    sendmail(friendName, 0, "好友赠送", player:GetName() .. " 送1点体力", "体力丹|1")
end

function giftVitalityV2(actor, friendName)
    local give = tonumber(getplayvar(actor, 2, "GIVE_CNT") or "0")
    if give >= 3 then
        sendmsg(actor, 0, "今日赠送次数已用完")
        return
    end
    setplayvar(actor, "HUMAN", "GIVE_CNT", give + 1, 1)
    sendmail(friendName, 0, "好友赠送", "体力赠送", "体力丹|1")
end