【十八】php文件下载源码
index.php
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <title></title> 5 <meta charset="utf-8"> 6 </head> 7 <body> 8 <a href="downserver.php?filename=哈哈.JPG">点击下载</a> 9 <img src='/object-oriented/down/哈哈.JPG' width='100px'> 10 <br/> 11 <a href="downserver.php?filename=哈哈.JPG">点击下载</a> 12 <img src='/object-oriented/down/哈哈.JPG' width='100px'> 13 <br/> 14 <a href="downserver.php?filename=哈哈.JPG">点击下载</a> 15 <img src='/object-oriented/down/哈哈.JPG' width='100px'> 16 <br/> 17 <a href="downserver.php?filename=哈哈.JPG">点击下载</a> 18 <img src='/object-oriented/down/哈哈.JPG' width='100px'> 19 <br/> 20 </body> 21 </html>
downserver.php
1 <?php 2 require('file_down.php'); 3 $filename=$_REQUEST['filename']; 4 downfile($filename); 5 ?>
file_down.php
1 <?php 2 function downfile($file_name){ 3 // $file_name="哈哈.JPG"; 4 //给文件名转码 5 $file_name=iconv("utf-8", "gb2312", $file_name); 6 $file_path="./down/".$file_name; 7 if (!file_exists($file_path)) { 8 echo "文件不存在"; 9 return; 10 } 11 $fp=fopen($file_path, "r"); 12 $file_size=filesize($file_path); 13 // 下载需要的头文件 14 header("Content-type:application/octed-stream"); 15 header("Accept-Ranges:bytes"); 16 header("Accept-Lenght:$file_size"); 17 header("Content-Disposition:attachment;filename=".$file_name); 18 $buffer=1024; 19 $file_count=0; 20 //读取文件内容 21 while (!feof($fp) &&($file_size-$file_count>0)) { 22 $file_data=fread($fp, $buffer); 23 echo $file_data; 24 $file_count+=$buffer; 25 } 26 fclose($fp); 27 } 28 // downfile("哈哈.JPG"); 29 ?>
打印结果：
