<?php header('Content-type:text/html;charset=utf-8'); // $path= pathinfo($_FILES['myfile']['name']); // echo $path['extension'].'<br>'; if(isset($_POST['submit'])){ if(is_uploaded_file($_FILES['myfile']['tmp_name'])){ $arr=pathinfo($_FILES['myfile']['name']); $newName= date('YmdGis').rand(1000,9999); $fileupdate= date('Ymd').rand(1000,9999); $fileupname= mkdir("upload/{$fileupdate}"); if(move_uploaded_file($_FILES['myfile']['tmp_name'], "upload/{$fileupdate}/{$newName}.{$arr['extension']}")){ echo '恭喜你上传成功'; } else { echo '上传失败'; } }else{ exit('可能有攻击，请遵守法律！'); } } ?> <! DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="utf-8"> <title>上传页面</title> </head> <body> <form action="" method="post" enctype="multipart/form-data"> <input type="file" name="myfile" /> <input type="submit" name="submit" value="开始上传"/> </form> </body> </html>