Lua数位统计：一段区间的数字计数

local function digitCount(n)
    local t = {}
    for i = 0, 9 do t[i] = 0 end
    repeat
        t[n % 10] = t[n % 10] + 1
        n = math.floor(n / 10)
    until n == 0
    return t
end

local function rangeStats(lo, hi)
    local total = {}
    for i = 0, 9 do total[i] = 0 end
    for n = lo, hi do
        local t = digitCount(n)
        for i = 0, 9 do
            total[i] = total[i] + t[i]
        end
    end
    return total
end
local p = getplayerbyname("ds01")
local t = rangeStats(1, 300)
sendmsg(p, 1, "数字 1 出现 " .. t[1] .. " 次")