PHP文件下载

$file_path = ‘/home/wwwroot/nikon/app.js‘;download($file_path);function download($file_path) { ???//流的方式发送给浏览器 ???header("Content-Type: application/octet-stream"); ???//按照字节的返回给浏览器 ???header("Accept-Ranges: bytes"); ???//告诉浏览器文件的大小 ???header("Accept-Length: ".filesize($file_path)); ???//以附件的形式发送给浏览器(也就是弹出，下载的对话框) ???header("Content-Disposition: attachment; filename=".basename($file_path)); ???//打开文件获取文件句柄 ???$handle=fopen($file_path,"r"); ???//将文件直接读取完 ???//echo fread($handle,filesize($file_path)); ???// 一部分一部分的读取 ???while(!feof($handle)){ ???????$content=fread($handle,1024); ???????echo $content; ???} ???fclose($handle);}