function test(){  $hostdir= iconv("utf-8","gbk","C:/Users/原萬里/Desktop/日常筆記") ; //iconv()轉換編碼方式，將UTF-8轉換為gbk，若是報錯在gbk后加//IGNORE  $filesnames = scandir($hostdir); //scandir() 函數返回指定目錄中的文件和目錄的數組。默認升序排列，  foreach ($filesnames as $name) {       if($name!=".." && $name!=".") //遍歷結果中會多出‘.'以及‘..'，沒有用處，不予處理;       {         $cipath = $hostdir.$name;         $cjfilenames = scandir($cipath); //根據情況再決定是否再向下遍歷一次         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";  }}