a.lua

module(...,package.seeall)

function funca()
print("a33")
end

模組b
b.lua

module(...,package.seeall)

local atb=require"a"

function funcb()
atb.funca()
end

主程式
main.lua

local tbb =require"b"
local atbb=require"a"

localfunction reloadmodule(modulename)
local oldmodule = _G[modulename]
for k, vin pairs(oldmodule)do
oldmodule[k]=nil
end

_G[modulename]=nil
package.loaded[modulename]=nil
require(modulename)
local newmodule = _G[modulename]
for k, vin pairs(newmodule)do
oldmodule[k]= v
end
oldmodule._M= oldmodule

_G[modulename]= oldmodule
package.loaded[modulename]= oldmodule

oldmodule=nil
newmodule=nil
end


collectgarbage("collect")
print(collectgarbage("count")*1024)
tbb.funcb()
print("a tb: ", atbb)

os.execute("pause")

reloadmodule("a")

tbb.funcb()
print("a tb: ", atbb)
collectgarbage("collect")
print(collectgarbage("count")*1024)