php 文件下载

来源：互联网发布：json.parse 无效编辑：程序博客网时间：2024/06/01 07:48

fileDownService.php

<?php//不封装function downloadFile( $fullPath ){//$fullPath = iconv("utf-8", "gb2312", $fullPath);echo $fullPath;// Must be fresh startif( headers_sent() )die('Headers Sent');  // Required for some browsersif(ini_get('zlib.output_compression'))ini_set('zlib.output_compression', 'Off');// File Exists?if( file_exists($fullPath) ){ // Parse Info / Get Extension$fsize = filesize($fullPath);$path_parts = pathinfo($fullPath);$ext = strtolower($path_parts["extension"]); // Determine Content Typeswitch ($ext) {case "pdf": $ctype="application/pdf"; break;case "exe": $ctype="application/octet-stream"; break;case "zip": $ctype="application/zip"; break;case "doc": $ctype="application/msword"; break;case "xls": $ctype="application/vnd.ms-excel"; break;case "ppt": $ctype="application/vnd.ms-powerpoint"; break;case "gif": $ctype="image/gif"; break;       case "png": $ctype="image/png"; break;       case "jpeg":       case "jpg": $ctype="image/jpg"; break;       default: $ctype="application/force-download";}header("Pragma: public"); // required     header("Expires: 0");     header("Cache-Control: must-revalidate, post-check=0, pre-check=0");     header("Cache-Control: private",false); // required for certain browsers     header("Content-Type: $ctype");     header("Content-Disposition: attachment; filename=\"".basename($fullPath)."\";" );     header("Content-Transfer-Encoding: binary");     header("Content-Length: ".$fsize);     ob_clean();     flush();     readfile( $fullPath );   } else     die('File Not Found');}//封装?>

fileDownList.php

<meta http-equiv="content-type" content="text/html" charset="gb2312"/><a href="fileDownProcess.php?fileName=test.png">点击下载</a><img src="test.png"  width="200px" height="200px" /><br/><br/><a href="fileDownProcess.php?fileName=test.png">点击下载</a><img src="test.png"  width="200px" height="200px" /><br/><br/><a href="fileDownProcess.php?fileName=test.png">点击下载</a><img src="test.png"  width="200px" height="200px" /><br/><br/><a href="fileDownProcess.php?fileName=test.png">点击下载</a><img src="test.png"  width="200px" height="200px" /><br/><br/>

fileDownProcess.php

<?phprequire_once 'fileDownService.php';$file_name = $_REQUEST['fileName'];downloadFile($file_name);?>

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