--遍历
function getAllFiles(path, files)
    files = files or {}
    for file in lfs.dir(path) do
        if file ~= "." and file ~= ".." then
            local subPath = path .. "\\" .. file 
            local attr = lfs.attributes(subPath)
            assert(type(attr) == "table")
            if attr.mode == "directory" then
                getAllFiles(subPath, files)
            else
                table.insert(files, subPath)                                              
            end 
        end
    end
    return files
end

--查找
function findInDir (path, wefind, r_table, intofolder)  
    for file in lfs.dir(path) do  
        if file ~= "." and file ~= ".." then  
            print(file)
            local f = path..'/'..file  
            if string.find(f, wefind) ~= nil then  
                table.insert(r_table, f)  
            end  
            local attr = lfs.attributes(f)  
            assert(type(attr) == "table")  
            if attr.mode == "directory" and intofolder then  
                findInDir(f, wefind, r_table, intofolder)  
            else  

            end  
        end  
    end  
end