Lua滑动窗口计数：固定窗口的逐格推进

if os.date("%M") ~= win then
    cnt = 0        -- 整分钟清零，边界两头发力
end
cnt = cnt + 1

local slots, base = {}, os.time()
local function hit()
    local now = os.time()
    local idx = (now - base) % 6 + 1
    local s = slots[idx]
    if s and now - s.t >= 60 then s = nil end
    slots[idx] = {t = now, n = (s and s.n or 0) + 1}
    local sum = 0
    for _, v in pairs(slots) do
        if now - v.t < 60 then sum = sum + v.n end
    end
    return sum
end
local p = getplayerbyname("rate01")
sendmsg(p, 1, "近 60 秒第 " .. hit() .. " 条")