php -- 目录、路径、磁盘

PHP文件与路径操作

最新推荐文章于 2021-04-02 03:56:10 发布

转载最新推荐文章于 2021-04-02 03:56:10 发布 · 178 阅读

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/baijifeilong/p/3750479.html

文章标签：

#php

----- 028-dir.php -----

 1 <!DOCTYPE html>
 2 <html>
 3 <head>
 4     <meta http-equiv="content-type" content="text/html; charset=utf-8">
 5     <title>文件夹</title>
 6 </head>
 7 <body>
 8 <h2>文件夹</h2>
 9 <pre>
10 <?php
11     $dir_name = "D:/a";
12     $dir = opendir("D:/a");
13     echo "D:/a下：\n";
14     while($file = readdir($dir))
15     {
16         if(is_file($dir_name."/".$file))
17             echo "文件：";
18         else
19             echo "文件夹：";
20         echo iconv("gbk", "utf-8", $file), "\n";
21     }
22     var_dump(scandir("D:/a"));//数组形式返回文件夹下的文件
23     closedir($dir);
24 
25 ?>
26 </pre>
27 </body>
28 </html>

----- 029-path.php -----

 1 <!DOCTYPE html>
 2 <html>
 3 <head>
 4     <meta http-equiv="content-type" content="text/html; charset=utf-8">
 5     <title>路径</title>
 6 </head>
 7 <body>
 8 <h2>路径</h2>
 9 <pre style="font-size: 16pt">
10 <?php
11     $file_name = "D:/a/php/root/028-dir.php";
12     echo "文件名部分：", basename($file_name), "\n";
13     echo "目录部分：", dirname($file_name), "\n";
14     echo "000.jpg的绝对路径：", realpath("000.jpg"), "\n";
15     echo "路径各个部分：\n";
16     var_export(pathinfo($file_name));
17 
18     $dir_name = "D:/a/php/root";
19     echo "\n\n磁盘可用空间：", round(disk_free_space($dir_name)/1073741828, 2), " GB\n";
20     echo "磁盘总空间：", round(disk_total_space($dir_name)/1073741828, 2), " GB\n";
21     echo "D:/a/res/txt/zzz.txt的大小：", round(filesize("D:/a/res/txt/zzz.txt")/1024, 2), "KB\n";
22 ?>
23 </pre>
24 </body>
25 </html>