【框架设计】装备找回券：找回道具的通用框架

-- 装备找回券：发放与绑定
local player = class(actor)
local TICKET_DAYS = 7
local function issueRecoverTicket(player, equipId, targetName)
    local ticketId = "RT_" .. os.date("%Y%m%d%H%M%S") .. "_" .. math.random(100, 999)
    setplayvar(player, "HUMAN", "Ticket_" .. ticketId, equipId .. "|" .. targetName, true)
    setplayvar(player, "HUMAN", "TicketExp_" .. ticketId, os.time() + TICKET_DAYS * 86400, true)
    sendmail("#" .. targetName, 8301, "找回券已发放",
        "您有一张装备找回券，有效期 " .. TICKET_DAYS .. " 天，请在有效期内使用。", "")
    sendmsg(player, 1, 0, "找回券 " .. ticketId .. " 已发放至 " .. targetName .. " 邮箱。")
end

-- 装备找回券：核销发货
local player = class(actor)
local function useRecoverTicket(player, ticketId)
    local expire = tonumber(getplayvar(player, "HUMAN", "TicketExp_" .. ticketId) or 0)
    if os.time() > expire then
        sendmsg(player, 1, 0, "找回券已过期。")
        return
    end
    if getplayvar(player, "HUMAN", "TicketUsed_" .. ticketId) == 1 then
        sendmsg(player, 1, 0, "该找回券已使用。")
        return
    end
    local data = getplayvar(player, "HUMAN", "Ticket_" .. ticketId) or ""
    local equipId, targetName = string.match(data, "([^|]+)|(.+)")
    if targetName ~= (getbaseinfo(player, 3) or "") then
        sendmsg(player, 1, 0, "找回券归属不匹配。")
        return
    end
    giveitem(player, "裁决之杖", 1)
    setplayvar(player, "HUMAN", "TicketUsed_" .. ticketId, 1, true)
    sendmsg(player, 1, 0, "找回成功，装备已发放至背包。")
end