在下面的代码中,我想每次添加一个 ajax 调用,毕竟所有图像都有
已显示,Ajax 将触发我的 php 查看 /images 文件夹以查看是否有任何新文件。
如果有任何新文件,则应在下一个周期中添加并显示它们。
<html>
<meta http-equiv="refresh" content="1000"/>
<head>
<title>Slideshow</title>
<style type="text/css">
#slideshow
#slideshow img { padding: 15px; border: 1px solid #ccc; background-color: #eee; }
#slide {width: 370px; height: 220px; padding: 0; margin: 0 auto; }
#myslides {
width: 370px;
height: 220px;
padding: 0;
margin: 0 auto;
}
#myslides img {
padding: 10px;
border: 1px solid rgb(100,100,100);
background-color: rgb(230,230,230);
width: 350px;
height: 200px;
top: 0;
left: 0
}
</style>
</head>
<!-- include jQuery library -->
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js"></script>
<!-- include Cycle plugin -->
<script type="text/javascript" src="http://cloud.github.com/downloads/malsup/cycle/jquery.cycle.all.latest.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$('#slideshow').cycle({
fx: 'fade',
speed: 700,
timeout: 8000
});
});
</script>
<body>
<div id="slideshow">
<?php
function returnimages($dirname="./images") {
$pattern="([^\s]+(\.(?i)(jpg|png|gif|bmp))$)";
$files = array();
if($handle = opendir($dirname)) {
while(false !== ($file = readdir($handle))){
if(preg_match($pattern, $file)){ //if this file is a valid image
$files[] = $file;
}
}
closedir($handle);
}
//sort($files);
natcasesort($files);
return($files);
}
$images = returnimages(); //will get the array containing the images
foreach($images as $img)
{
echo '<img src="images/' . $img . '" />';
}
?>
</body>