php源码学习站内搜索html版
PHP源码学习：站内搜索HTML版
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2003-08-15 14:19:43 http://php2000.com/~uchinaboy/wdb/wdb.php
<?php
/****************************************************
program : Spr2[search_html]
Author : uchinaboy
E-mail : [email protected]
QQ : 16863798
Date : 2001-8-9
****************************************************/
//require("config.inc.php");
function get_msg($path) {
global $key, $i;
$handle = opendir($path);
while ($filename = readdir($handle)) {
//echo $path."/".$filename."<br>";
$newpath = $path."/".$filename;
$check_type = preg_match("/.html?$/", $filename);
if (is_file($newpath) && $check_type) {
$fp = fopen($newpath, "r");
$msg = fread($fp, filesize($newpath));
fclose($fp);
match_show($key, $msg, $newpath, $filename);
}
if (is_dir($path."/".$filename) && ($filename != ".") && ($filename != "..")) {
//echo "<BR><BR><BR>".$newpath."<BR><BR><BR>";
get_msg($path."/".$filename);
}
}
closedir($handle);
return $i;
}
function match_show($key, $msg, $newpath, $filename) {
global $key, $i;
$key = chop($key);
if ($key) {
$msg = preg_replace("/<style>.+</style>/is", "", $msg);
$msg = str_replace(" ", "", $msg);
$msg = preg_replace("/<[^>]+>/", "", $msg);
$value = preg_match("/.*$key.*/i", $msg, $res);
if ($value) {
$res[0] = preg_replace("/$key/i", "<FONT SIZE="2" COLOR="red">$key</FONT>", $res[0]);
$i++;
$link = $newpath;
print "<a href="$link">$filename</a><BR>";
print $res[0]."<BR><br>";
}
}else {
echo "请输入关键词";
exit;
}
}
$i = get_msg(".");
echo "<BR><BR>".$i."<BR><BR><BR>";
?>