【进阶实战】帮派资金预算分配：资金的月度预算封装

local BUDGET = { maintenance = 40, reward = 30, reserve = 30 }
local monthly = {}
local function initBudget(month, totalFund)
    monthly[month] = {}
    for k, pct in pairs(BUDGET) do
        monthly[month][k] = math.floor(totalFund * pct / 100)
    end
end
local function spend(month, category, amount)
    local budget = monthly[month]
    if budget == nil or budget[category] == nil then
        return false
    end
    if budget[category] < amount then
        sendmsg(nil, 1, category .. " 预算不足，剩余 " .. budget[category])
        return false
    end
    budget[category] = budget[category] - amount
    return true
end

local function monthReport(month)
    local b = monthly[month]
    for k, v in pairs(b) do
        sendmsg(nil, 1, k .. " 预算 " .. v .. " 金币。")
    end
end