（转）在lua中递归删除一个文件夹

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

require("lfs")

function os.exists(path)

    return CCFileUtils:sharedFileUtils():isFileExist(path)

end

function os.mkdir(path)

    if not os.exists(path) then

        return lfs.mkdir(path)

    end

    return true

end

function os.rmdir(path)

    print("os.rmdir:", path)

    if os.exists(path) then

        local function _rmdir(path)

            local iter, dir_obj = lfs.dir(path)

            while true do

                local dir = iter(dir_obj)

                if dir == nil then break end

                if dir ~= "." and dir ~= ".." then

                    local curDir = path..dir

                    local mode = lfs.attributes(curDir, "mode")

                    if mode == "directory" then

                        _rmdir(curDir.."/")

                    elseif mode == "file" then

                        os.remove(curDir)

                    end

                end

            end

            local succ, des = os.remove(path)

            if des then print(des) end

            return succ

        end

        _rmdir(path)

    end

    return true

end