【进阶实战】事件日历的排期实现：全服活动的编排接口封装

local calendar = {}
local function addEvent(name, startTs, durationHrs, kind)
    local endTs = startTs + durationHrs * 3600
    for _, e in pairs(calendar) do
        if startTs < e.endTs and endTs > e.startTs then
            print("与活动 " .. e.name .. " 时间冲突")
            return nil
        end
    end
    local id = "EV" .. os.time()
    calendar[id] = { name = name, start = startTs,
        endTs = endTs, kind = kind }
    return id
end
local function listByDay(targetDay)
    local dayStart = os.time({ year = tonumber(string.sub(targetDay, 1, 4)),
        month = tonumber(string.sub(targetDay, 5, 6)),
        day = tonumber(string.sub(targetDay, 7, 8)), hour = 0 })
    local dayEnd = dayStart + 86400
    local out = {}
    for _, e in pairs(calendar) do
        if e.start >= dayStart and e.start < dayEnd then
            out[#out + 1] = e
        end
    end
    return out
end

addEvent("攻城战", os.time() + 86400, 2, "PVP")
local today = listByDay(os.date("%Y%m%d", os.time()))