模块:Random
此模块的文档可以在模块:Random/doc创建
local module = {}
local getArgs = require('Module:Arguments').getArgs
function _main(args)
local upset = 0
function upsetRandomSeed()
math.randomseed(tostring(os.time()):reverse():sub(1, 7)..upset..args['upset'])
upset = upset + 1
end
upsetRandomSeed()
local count = tonumber(args['count'] or 1)
if count < 1 then count = 1 end
local result = {}
function testRepetition(val)
for i, v in ipairs(result) do
if v == val then
return true
end
end
return false
end
function getRandomNumber()
local ran, min, max = 0, 0, 1
if args[1] == nil then
return math.random(0, 1), 0, 1
elseif args[1] == 'raw' then
ran = math.random()
else
if args[2] then
min, max = tonumber(args[1]), tonumber(args[2])
else
max = tonumber(args[1])
end
if min > max then min, max = max, min end
ran = math.random(min, max)
end
return ran, min, max
end
repeat
local ran, min, max = getRandomNumber()
if testRepetition(ran) == false or args['allowrepeat'] then
result[#result + 1] = ran
end
if args[1] ~= 'raw' and #result >= max - min + 1 then
for i=#result + 1, count do
if args[1] == nil then upsetRandomSeed() end
result[i] = math.random(min, max)
end
end
until(#result >= count)
return table.concat(result, ',')
end
function module.main(frame)
local args = getArgs(frame)
return _main(args)
end
return module
