function test()

    {

    $hostdir= iconv("utf-8","gbk","C:\Users\原万里\Desktop\日常笔记") ;     //iconv()转换编码方式，将UTF-8转换为gbk，若是报错在gbk后加//IGNORE

    $filesnames = scandir($hostdir);                         //scandir() 函数返回指定目录中的文件和目录的数组。默认升序排列，

    foreach ($filesnames as $name) {

             if($name!=".." && $name!=".")                   //遍历结果中会多出‘.’以及‘..’，没有用处，不予处理;

             {

                 $cipath = $hostdir.$name;

                 $cjfilenames = scandir($cipath);                    //根据情况再决定是否再向下遍历一次

                 foreach($cjfilenames as $cjname)

                 {

                       if($cjname!=".." && $cjname!="." &&!is_dir($cipath."/".$cjname))

                         {

                             $str = file_get_contents($cipath."/".$cjname);

                             file_put_contents("e:/test.txt",$str,FILE_APPEND);

                         }

                 }

             }

         echo "\n";

    }

    }