app2/test9.php

<?php
 
if(!empty($_FILES['file']['name'])){  
         //判断是否有文件
    $fileinfo = $_FILES['file'];      //将文件信息赋给变量$fileinfo
   if($fileinfo['size']<1000000 && $fileinfo['size']>0){    //判断文件大小
    try{if(move_uploaded_file($_FILES["file"]['tmp_name'],"image/".$fileinfo['name']))
     {
          $filepath="image/".$fileinfo['name'];
          echo $filepath;
     }}
     catch (Exception $e) {
          echo($e->getMessage());
             
          }
       
       
    
   }

}