簡短的代碼
$catalog = "目錄";
$file_name = "index.json"; //保存的文件名稱
!is_dir($catalog) and mkdir(iconv("UTF-8", "GBK", $catalog),0777,true);
$myfile = fopen($file_name, "w");
fwrite($myfile,"保存內容");
fclose($myfile);
