【Lua实战】绑定装备解绑：条件校验与代价扣除的实现细节

function unbindEquip(actor, slot)
    local player = class(actor)
    if getbaseinfo(actor, 6) < 50 then
        sendmsg(actor, 0, "等级达到50级才能解绑")
        return
    end
    local bindTs = tonumber(getplayvar(actor, 2, "BIND_TS_" .. slot) or "0")
    if os.time() - bindTs < 2592000 then
        local left = math.ceil((2592000 - (os.time() - bindTs)) / 86400)
        sendmsg(actor, 0, "该装备需穿戴满30天，还差" .. left .. "天")
        return
    end
    if player:checkitemw("解绑石", 2) == false then
        sendmsg(actor, 0, "解绑石不足，需2颗，商城2000元宝一颗")
        return
    end
    player:takeitem("解绑石", 2)
    setplayvar(actor, "HUMAN", "BIND_TS_" .. slot, 0, 1)
    sendmsg(actor, 0, "解绑成功，该装备已恢复可交易")
end

local function checkUnbindQuota(actor)
    local player = class(actor)
    local month = os.date("%Y%m")
    local key = "UNBIND_" .. month
    local cnt = tonumber(getplayvar(actor, 2, key) or "0")
    if cnt >= 3 then
        sendmsg(actor, 0, "本月解绑次数已用完3次")
        return false
    end
    setplayvar(actor, "HUMAN", key, cnt + 1, 1)
    return true
end