<html>
<head>
<title>index</title>
</head>
<body>
<p>PHP文件系统处理</p>
<?php
//Windows系统下获取文件类型
echo "C:\\windows的类型是：" . filetype('c:\windows') . '<br/>';
echo "C:\\windows\\regedit.exe的类型是：" . filetype('c:\windows\regedit.exe') . '<br/>';
//使用stat()函数获得指定文件名参数目标文件基本属性
$stt = stat("D:\\test.txt");
print_r($stt);
echo "<br>";
$lstt = lstat("D:\\test.txt");
print_r($lstt);
echo "<br>";
?>
<?php
//自定义函数通过整合系统函数单独输出了test.txt文件相关属性
function checkFile($fileName)
{
if (!file_exists($fileName)) {
exit("文件不存在！<br/>");
}
echo '类型' . filetype($fileName) . "<br/>";
echo '大小' . filesize($fileName) . "bit <br/>";
echo '类型' . is_executable($fileName) ? "可执行<br>" : "不可执行" . "<br/>";
echo '可读' . is_readable($fileName) . "<br/>";
echo '可写' . is_writable($fileName) . "<br/>";
}
//调用函数
checkFile("D:\\test.txt");
echo fileowner("D:\\test.txt") . '<br/>';
echo filegroup("D:\\test.txt") . '<br/>';
?>
<?php
$url = "D:\\test.txt";
$p = pathinfo($url);
print_r($p);
echo '<br>';
echo basename($url, ".txt") . "<br>"; //不带有文件拓展名
//0777权限为：除访问者不具备权限，其他所有用户、用户组均可操作
$change = chmod('$url', 777);
if ($change) {
echo '改变权限成功';
} else {
echo '失败';
}
?>
<?php
echo "<br/>";
//指定读取字节数并赋值到一个变量输出
$url = 'D:\\test.txt';
$read = fopen($url, 'r') or die('打开失败。'); //只读方式打开
$text = fread($read, 10); //读取10个字节并赋值
fclose($read);
echo $text . '<br/>';
echo "<br/>";
echo "<br/>";
//一次性读取所有内容并赋值到一个变量中，每次读取指定字节，循环输出
$url = 'D:\\test.txt';
$read = fopen($url, 'r') or die('打开失败。'); //只读方式打开
$content = "";
while (!feof($read)) {
$content .= fread($read, 1);
}
fclose($read);
echo $content;
echo '<br>';
?>
<p>PHP写入文件内容</p>
<form id="form1" name="form1" method="post" action="">
<input type="text" name="input" id="textfield"/>
<input type="submit" name="button" id="button" value="写入">
</form>
<?php
$post = $_POST['input'];
$flink = fopen("D:\\test.txt", "a+");
if ($_POST['input']) {
fwrite($flink, $post);
}
$content = fread($flink, 9999);
fclose($flink);
echo $content;
?>
<p>PHP删除文件</p>
<?php
//删除文件
function delete($fileName)
{
if (is_file($fileName)) {
if (unlink($fileName)) {
echo '删除' . $fileName . '成功';
} else {
echo '删除' . $fileName . '失败';
}
} else {
echo $fileName . '不是一个文件或不存在';
}
}
delete("D:\\dd.txt");
?>
<?php
$url = 'https://www.sohu.com/c/8/1461?spm=smpc.news-home.top-subnav.3.1626963925184e2sscIt';
$furl = fopen($url, 'r');
if ($furl) {
$content = "";
while (!feof($furl)) {
$content .= fgets($furl, 1024);
}
}
$code = "/<h1><a href='(.*)' target='_blank'>(.*)<Va>/sU";
preg_match_all($code, $content, $urlrr);
foreach ($urlrr[1] as $k => $v) {
echo "<a href=$v> " . $urlrr[2][$k] . "<br>" . "</a>";
echo " " . $urlrr[1][$k] . "<br>";
echo "<hr/>";
}
?>
<?php
//复制文件
$state = copy("D:\\test.txt", 'd:\\copy_test.txt');
if ($state) {
echo "复制成功";
} else {
echo "复制失败";
}
?>
<?php
//创建目录
$state = mkdir("D:\\test");
if ($state) {
echo "创建目录成功";
} else {
echo "创建目录失败";
}
//删除目录
$url = mkdir("D:\\test");
if (is_dir($url)) {
echo "删除目录成功";
rmdir($url);
} else {
echo '目标非目录，类型为：' . filetype($url) . '删除成功';
unlink($url);
}
?>
<p>递归删除目录</p>
<?php
function deleteDir($dir)
{
$handle = @opendir($dir);
readdir($handle);
readdir($handle);
while (false !== ($file = readdir($handle))) {
$file = $dir . DIRECTORY_SEPARATOR . $file;
if (is_dir($file)) {
rmdir($file);
} else {
if (@unlink($file)) {
echo " 文件<b>$file</b>删除成功<br/>\n\ ";
} else {
echo " 文件<b>$file</b>删除失败<br/>\n\ ";
}
}
}
if (rmdir($dir)) {
echo " 目录<b>$dir</b>删除成功<br/>\n\ ";
} else {
echo " 目录<b>$dir</b>删除失败<br/>\n\ ";
}
}
$dir = "d:\\test";
deleteDir($dir);
unlink($dir);
?>
<?php
$state=rename("d:\\test.txt","rename.txt");
if ($state){
echo '重命名成功';
}
//移动文件
function move($source, $dest)
{
$file = basename($source);
$desct=$dest.DIRECTORY_SEPARATOR.$file;
return rename($source, $desct);
}
move("test.txt","d:\\")
?>
<?php
function copyDir($dirFrom, $dirTo)
{
if (is_file($dirTo)) {
die("无法建立目录 $dirTo");
}
if (!file_exists($dirTo)) {
mkdir($dirTo);
}
$handle = opendir($dirFrom);
readdir($handle);
readdir($handle);
while (false !== ($file = readdir($handle))) {
$fileFrom=$dirFrom.DIRECTORY_SEPARATOR.$file;
$fileTo=$dirTo.DIRECTORY_SEPARATOR.$file;
if (is_dir($fileFrom)){
copyDir($fileFrom,$fileTo);
}else{
@copy($fileFrom, $fileTo);
}
}
}
//使用
copyDir("test","copydir");
?>
<p>遍历目录</p>
<?php
$url="d:\\";
$handle = opendir($url);
echo '<table border="0" width="800" cellspacing="0" cellpadding="0"';
echo '<th align="left" bgcolor="#ffe4c4">';
echo '<th>文件名</th>
<th>文件大小</th>
<th>文件类型</th>
<th>创建时间</th>
<th>修改时间</th>
<th>是否可读</th>
<th>是否可写</th>
<th>可执行</th>
</tr>
';
while ($file = readdir($handle)) {
$dirFile=$url."/".$file;
echo "<tr>";
echo '<td>'.$file.'</td>';
echo '<td>'.filesize($dirFile).'</td>';
echo '<td>'.filetype($dirFile).'</td>';
echo '<td>'.date("Y/n/t",filectime($dirFile)).'</td>';
echo '<td>'.date("Y/n/t",filemtime($dirFile)).'</td>';
$read=is_readable($dirFile) ? "支持" : "不支持";
$writ=is_writable($dirFile) ? "支持" : "不支持";
$exe=is_executable($dirFile) ? "支持" : "不支持";
echo "<td align='center'>".$read."</td>";
echo "<td align='center'>".$writ."</td>";
echo "<td align='center'>".$exe."</td>";
echo "</tr>";
}
echo "</table>";
closedir($handle);
?>
<p>PHP文件的上传</p>
<form action="index.php" method="post" enctype="multipart/form-data">
<input type="hidden" name="MAX_FILE_SIZE" value="2000000">
选择文件：<input type="file" name="files">
<input type="submit" value="上传">
</form>
<?php
//单文件上传
//存储目录
$file = "D:\\test";
//文件上传后完整路径和名称
$url=$file.$_FILES["files"]["name"];
if (move_uploaded_file($_FILES["files"]["tmp_name"], $url)) {
echo "文件上传成功！<br/>";
}else{
echo "文件上传失败！<br/>";
print_r($_FILES);
}
?>
</body>
</html>
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