下面是跨域上传代码的部分文件展示

<?php
if(!empty($_FILES['filename']['name']))
        {
 
            $p = current($_FILES);  
            $picturedata = fread(fopen($p['tmp_name'], "r"), $p['size']);
 
            $varname = 'filename';
            $name = $_FILES['filename']['name'];
            $type =  $_FILES['filename']['type'];
 
            $key = "$varname\"; filename=\"$name\r\nContent-Type: $type\r\nAccept: \"";
            $fields[$key] = $picturedata;
        
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL,"http://192.168.18.200:84/pic.php");
            curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST" );
            curl_setopt($ch, CURLOPT_POSTFIELDS, $fields);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            $s = curl_exec ($ch);    
            curl_close ($ch);    
            echo $s; 
 
        }
?>