在lua中递归删除一个文件夹

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