opendir() 函数打开一个目录句柄，可由 closedir()，readdir() 和 rewinddir() 使用。 若成功，则该函数返回一个目录流，否则返回 false 以及一个 error。可以通过在函数名前加上 "@" 来隐藏 error 的输出。
php教程 浏览目录
opendir() 函数打开一个目录句柄，可由 closedir()，readdir() 和 rewinddir() 使用。
若成功，则该函数返回一个目录流，否则返回 false 以及一个 error。可以通过在函数名前加上 "@" 来隐藏 error 的输出。
*/
$dir = opendir("images");
//列出 images 目录中的文件
while (($file = readdir($dir)) !== false)
{
echo "filename: " . $file . "
";
}
closedir($dir);
// 看一下改装的目录浏览实现，使用表格浏览目录的结构
print("n");
n");
// 创建表格的头
print("n"); n");
print("文件名 n");
print("文件的大小 n");
print("
$mydirectory = opendir("."); // 建立操作目录的句柄
// 读出目录中的每一个子项
while($entryname = readdir($mydirectory))//通过循环，访问目录的每一个文件
{
print(""); n");
print("$entryname ");
print(""); ");
print(filesize($entryname));//返回文件大小
print("
print("
}
closedir($mydirectory); // 关闭目录
print("
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