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Easy-to-understand file management with PHP

迷茫Original: 2017-03-26 10:08:381860browse

我们利用的是background-color: #339966">嵌入PHP代码和ajax结合的方式,首相想到的是利用遍历文件的方式找出分件下的目录和文件，并且找到它们的路径，使用

dirname取上级目录，

其中最重要的是$fname = "../../1220";定义目录。
注意session的利用

，并且用不同的背景色加以区分，

注意：在输出路径的时候要注意下是绝对路径还是相对路径

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script src="../jquery/jquery-1.11.2.min.js"></script>
<style type="text/css">
*{ margin:0px auto; padding:0px}
#wai{ width:500px;}
.item{ width:100%; height:30px; border:1px solid #60F; line-height:30px; vertical-align:middle}
.dir{ background-color:#F0F; color:white;}
#prev{width:100%; height:30px; border:1px solid #60F; line-height:30px; vertical-align:middle; background-color:#60F; color:white;}
</style>
</head>

<body>
<p id="wai">
<?php
session_start();

//定义目录
$fname = "../../1220";
if(!empty($_SESSION["fname"]))
{
	$fname = $_SESSION["fname"];
}

$pname = dirname($fname); //取上级目录

if(realpath($fname)=="D:\\wamp\\www\\1220")
{
}
else
{
	echo "<p id=&#39;prev&#39; url=&#39;{$pname}&#39;>返回上一层</p>";
}
//遍历目录下的所有文件显示
$arr = glob($fname."/*");

foreach($arr as $v)
{
	$name = basename($v); //从完整路径中取文件名
	if(is_dir($v))
	{
		echo "<p class=&#39;item dir&#39; url=&#39;{$v}&#39;>{$name}</p>";
	}
	else
	{
		echo "<p class=&#39;item&#39; url=&#39;{$v}&#39;>{$name}<input type=&#39;button&#39; value=&#39;删除&#39; url=&#39;{$v}&#39; class=&#39;del&#39; /></p>";
	}
}

?>
</p>
<script type="text/javascript">
$(".dir").dblclick(function(){
		var url = $(this).attr("url");
		$.ajax({
				url:"chuli.php",
				data:{url:url},
				type:"POST",
				dataType:"TEXT",
				success: function(data){
						window.location.href="guanli.php";
					}
			});
	})
$("#prev").dblclick(function(){
	var url = $(this).attr("url");
	$.ajax({
			url:"chuli.php",
			data:{url:url},
			type:"POST",
			dataType:"TEXT",
			success: function(data){
					window.location.href="guanli.php";
				}
		});
	})
$(".del").click(function(){
		var v = confirm("确认要删除么？");
		if(v)
		{
			var url = $(this).attr("url");
			$.ajax({
				url:"del.php",
				data:{url:url},
				type:"POST",
				dataType:"TEXT",
				success: function(data){
						window.location.href="guanli.php";
					}
			});
		}
	})
</script>
</body>
</html>

<?php
session_start();
$url = $_POST["url"];
$_SESSION["fname"] = $url;

删除操作

<?php
$url = $_POST["url"];
unlink($url);

本文赠送删除操作，在进行删除操作时，一定要注意 . 和 ..

来看一下效果，此效果图并未加入删除键，

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