php : 看书网页 : 上一页，下一页
get.php
<?php
$dir= $_GET["dir"];
$pre= $_GET["pre"];
$end= (integer)$_GET["end"];
$i= (integer)$_GET["i"];
$i1 = $i -1;
$i2 = $i +1;
$s = sprintf("%03d", $i);
$path=$dir."/".$pre.$s.".jpg";
?>
<html>
<head>
<base target="top"/>
<meta http-equiv="Content-Type" content="text/html; charset=GBK">
<title>IT Books </title>
<style type="text/css">
body {background:#FFFFFC;}
</style>
</head>
<body>
<?php
if($i>1){
echo '<a href="get.php?dir='.$dir.'&pre='.$pre.'&end='.$end.'&i='.$i1.'" >上一页</a> ';
} else {
echo '这是首页';
}
echo " \n";
echo '<a href="'.$dir.'.htm" >中文目录</a>'." \n";
if($i< $end){
echo '<a href="get.php?dir='.$dir.'&pre='.$pre.'&end='.$end.'&i='.$i2.'" >下一页</a>'."\n";
} else {
echo '这是尾页';
}
?>
<p>
<img src="<?echo $path;?>" alt="<?echo $path;?>"/>
</p>
<?php
if($i>1){
echo '<a href="get.php?dir='.$dir.'&pre='.$pre.'&end='.$end.'&i='.$i1.'" >上一页</a> ';
} else {
echo '这是首页';
}
echo " \n";
echo '<a href="'.$dir.'.htm" >中文目录</a>'." \n";
if($i< $end){
echo '<a href="get.php?dir='.$dir.'&pre='.$pre.'&end='.$end.'&i='.$i2.'" >下一页</a>'."\n";
} else {
echo '这是尾页';
}
?>
</body>
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