Php 删除文件而不离开页面
我允许我的用户从他们的帐户和文件夹中删除他们自己的文件，但每当有人单击删除按钮时，url就会将他带到Php 删除文件而不离开页面,php,unlink,Php,Unlink,我允许我的用户从他们的帐户和文件夹中删除他们自己的文件，但每当有人单击删除按钮时，url就会将他带到remove.php并离开myfiles.php，文件就会被删除 我只想在不离开页面的情况下删除文件以下是我已签出但未成功的代码函数： Ajax <script> function loadXMLDoc() { var xmlhttp; if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera,
remove.phpmyfiles.php <script>
function loadXMLDoc()
{
var xmlhttp;
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
// use the xmlhttp.responseText however you need.
}
}
xmlhttp.open("POST", "remove.php?file=$actfolder&file=$file, true);
xmlhttp.send();
}
</script>
myfiles.php<?php
require_once("models/config.php");
if (!securePage($_SERVER['PHP_SELF'])){die();}
require("models/db-settings.php");
if(isset($_GET['file'])){
$filename = "uploads/$loggedInUser->username/" . ltrim($_GET['file'], '/\\');
// make sure only deleting a file in files/ directory
if (dirname(realpath($filename)) == realpath("uploads/$loggedInUser->username")) {
unlink($filename);
}
}
?>
<?php
include("db-settings.php");
include("config.php");
$actfolder = $_REQUEST['folder'];
$directory = "uploads/$loggedInUser->username/$actfolder/";
if (is_dir($directory)) {
if ($directory_handle = opendir($directory)) {
while (($file = readdir($directory_handle)) !== false) {
$filet = "uploads/$loggedInUser->username$actfolder/$file";
$thumbimg = "uploads/$loggedInUser->username$actfolder/thumbs/$file";
$path_info = pathinfo($filet);
if (array_key_exists('extension', $path_info)) {
$extension = $path_info['extension'];
} else {
$extension = "folder";
}
switch ($extension) {
case "jpg":
case "png":
case "gif":
case "bmp":
$filetype = "image";
if (file_exists($thumbimg)) { }
else {
include "SmartImage.class.php";
$img = new SmartImage($filet);
$img -> resize(130, 130, true);
$img -> saveImage("$directory"."thumbs/$file", 85);
}
$actionfile = "<img src=\"$thumbimg\" height=\"130\" width=\"130\">";
$actionlink = "<a href=\"view.php?folder=$actfolder&file=$file\">";
$showthis = 1;
break;
case "txt":
case "doc":
case "docx":
case "odt":
case "ods":
case "odp":
case "xls":
case "xlsx":
case "pdf":
$filetype = "text";
$actionfile = "<img src=\"include/img/filetype/text.jpg\" height=\"130\" width=\"130\">";
$actionlink = "<a href=\"view.php?folder=$actfolder&file=$file\">";
$showthis = 1;
break;
case "mp3":
$filetype = "sound";
$actionlink = "<a href=\"view.php?folder=$actfolder&file=$file\">";
$actionfile = "<img src=\"img/music.jpg\" height=\"130\" width=\"130\">
<div class=\"fl-au-player\">
<object type=\"application/x-shockwave-flash\" data=\"players/audio/player_mp3_maxi.swf\" width=\"25\" height=\"20\">
<param name=\"movie\" value=\"players/audio/player_mp3_maxi.swf\" />
<param name=\"bgcolor\" value=\"#ffffff\" />
<param name=\"FlashVars\" value=\"mp3=$filet&width=25&showslider=0&bgcolor1=444444&bgcolor2=444444&buttonovercolor=dddddd\" />
</object>
</div>
";
$showthis = 1;
break;
case "ogg":
case "wav":
$filetype = "sound";
$actionfile = "<img src=\"include/img/filetype/sound.jpg\" height=\"130\" width=\"130\">";
$actionlink = "<a href=\"view.php?folder=$actfolder&file=$file\">";
$showthis = 1;
break;
case "avi":
case "mpeg":
case "wmv":
case "mp4":
case "3gp":
case "flv":
$filetype = "video";
$actionfile = "<img src=\"include/img/filetype/video.jpg\" height=\"130\" width=\"130\">";
$actionlink = "<a href=\"view.php?folder=$actfolder&file=$file\">";
$showthis = 1;
break;
case "folder":
$filetype = "folder";
$actionfile = "<img src=\"include/img/filetype/folder.jpg\" height=\"130\" width=\"130\">";
$actionlink = "<a href=\"myfiles.php?folder=$actfolder$file/\">";
if ($file == "thumbs") {
$showthis = 0;
}
else {
$showthis = 1;
}
break;
default:
$filetype = "other";
$actionfile = "<img src=\"include/img/filetype/other.jpg\" height=\"130\" width=\"130\">";
$actionlink = "<a href=\"view.php?folder=$actfolder&file=$file\">";
$showthis = 1;
}
if (strlen($file) <= 19) {
$filestamp = "$file";
} else {
$filestamp = "..." . substr("$file", -16);
}
if ((!is_dir($file)) & ($file != ".") & ($file != ".."))
if ($showthis){
echo "<li class=\"$filetype\">$actionlink$actionfile</a>$actionlink<p>" . $filestamp . "</p></a><a href='remove.php?file=$actfolder&file=$file' title='Delete file '$file' from the server'>Delete</a></li>";
}
}
closedir($directory_handle);
}
}
?>
提前感谢在remove.php的末尾，您可以使用以下代码返回上一页：
header("Location:".$_SERVER["HTTP_REFERER"]);
为此，请使用
AJAX标题（'Location:'$\u SERVER['REQUEST\u URI']）$referer