PHP uses code to download files

This article mainly introduces the use of PHP code to download files. It has certain reference value. Now I share it with everyone. Friends in need can refer to it

 alert("非法连接 !"); location.replace ("index.php") '; exit(); } $file_name=$_GET['FileName']; $file_dir=$_GET['FileDir']; $FileId=$_GET['FileId']; $file_dir = $file_dir."/"; if (!file_exists($file_dir.$file_name)) { //检查文件是否存在 echo "文件找不到"; exit; } else { $file = fopen($file_dir . $file_name,"r"); // 打开文件// 输入文件标签Header("Content-type: application/octet-stream"); Header("Accept-Ranges: bytes"); Header("Accept-Length: ".filesize($file_dir . $file_name)); Header("Content-Disposition: attachment; filename=" . $file_name);// 输出文件内容echo fread($file,filesize($file_dir . $file_name)); fclose($file);exit(); }

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