【入门夯实】登录日志的留存字段：IP设备与时间

local function onLogin(actor)
    setplayvar(actor, "HUMAN", "LastLogin", os.time(), 1)
end

local function logLogin(actorName, ip, deviceId)
    local row = os.time() .. "|" .. ip .. "|" .. deviceId
    local log = getsysvar("LoginLog_" .. actorName) or ""
    setsysvarex("LoginLog_" .. actorName, log .. row .. "|", 1)
    sendmsg(nil, 1, "[登录] " .. actorName .. " 来自 " .. ip)
end

local function recentLogins(actorName, n)
    local log = getsysvar("LoginLog_" .. actorName) or ""
    local rows = {}
    for r in string.gmatch(log, "[^|]+") do
        rows[#rows + 1] = r
    end
    local out = {}
    for i = #rows, math.max(1, #rows - n + 1), -1 do
        out[#out + 1] = rows[i]
    end
    return out
end

local function logLogout(actorName, sessionStart)
    local duration = os.time() - sessionStart
    print("会话时长 " .. duration .. " 秒")
end