PHP笔记-通过输入获取文件夹中的文件和目录例子- PHP

程序运行截图如下：

点击提交后打印此内容：

文件结构如下：

源码如下：

dirFile.php


<?php
    function dirFile($dir, &$error){
 
        if(!is_dir($dir)){
 
            $error = "路径错误";
            return false;
        }
 
        static $output = array();
        $files = scandir($dir);
        foreach ($files as $file){
 
            $tmp_file = $dir . "/" . $file;
            if(is_dir($tmp_file)){
 
                $output[] = array(
                    "fileName" => $file,
                    "directory" => $dir,
                    "isDir" => true
                );
 
                if($file == "." || $file == ".."){
 
                    continue;
                }
            }
            else{
 
                $output[] = array(
                    "fileName" => $file,
                    "directory" => $dir,
                    "isDir" => false
                );
            }
        }
 
        return $output;
    }
?>

getFile.php


<?php
    $dir = $_GET["dir"] ?? '';
    if(!is_dir($dir)){
 
        echo "路径无效";
        header("refresh:3; url=index.html");
        exit;
    }
 
 
    include_once "dirFile.php";
    $files = dirFile($dir, $error);
    if(!$files){
 
        echo $error;
        header("refresh:3; url=index.html");
        exit;
    }
 
//    echo "<pre>";
//    print_r($files);
//    var_dump($files);
//    echo "</pre>";
 
    include_once "list.html"
?>

index.html


<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8" http-equiv="content-type" content="text/html">
    <title>首页</title>
</head>
<body>
    <form action="getFile.php" method="get">
        输入目录: <input type="text" name="dir" value="" />
        <input type="submit" name="submit" value="提交" />
    </form>
</body>
</html>

list.html


<html>
<head>
    <meta http-equiv="content-type" content="text/html;charset=utf-8" />
</head>
<body>
<table border=1>
    <p style=""><?php echo $dir;?>目录文件列表</p>
    <tr><th>序号</th><th>文件名字</th><th>文件类型</th></tr>
    <?php $index=1;?>
    <?php foreach($files as $file):?>
    <?php if($file['fileName']=='.'||$file['fileName'] == '..')continue;?>
    <tr>
        <td><?php echo $index++;?></td>
        <td>
            <?php echo $file['fileName'];?>
        </td>
        <td><?php echo $file['isDir']? '文件夹' : '文件';?></td>
    </tr>
    <?php endforeach;?>
</table>
</body>
</html>