【入门夯实】日期拆不开：gmatch魔法字符要转义

local function parseDateBad(dateStr)
    local parts = {}
    for seg in string.gmatch(dateStr, "-") do
        parts[#parts + 1] = seg
    end
    return parts
end

local function parseOrder(actor, orderNo)
    actor = getplayerbyname(actor)
    local y, m, d, seq = string.match(orderNo, "(%d+)%-(%d+)%-(%d+)%-(%d+)")
    if y == nil then
        sendmsg(actor, 1, "订单号格式非法：" .. orderNo)
        return
    end
    sendmsg(actor, 1, "订单[" .. orderNo .. "]录入于 " .. y .. " 年 " .. m .. " 月 " .. d .. " 日")
end

local function parseVersion(v)
    local major, minor, patch = string.match(v, "^(%d+)%.(%d+)%.(%d+)$")
    return tonumber(major), tonumber(minor), tonumber(patch)
end