/****************************************************
原作者: uchinaboy
修改：lingshidao
特点：无需mysql支持；速度快；无需设置路径，放在哪级目录下，就搜索该目录和子目录；可以搜索一切文本类型的文件；显示文件相关内容；关键词自动高亮显示。
修改内容：增加了自动分页和风格设置文件。
搜索框代码（如果放在search.php相同目录下，无需修改）：
****************************************************/
require ("template.php");
echo "";
echo "检索结果";
echo "
";
if (function_exists("set_time_limit") && !get_cfg_var('safe_mode')){
set_time_limit(600);}
function get_msg($path) {
global $key, $i;
$handle = opendir($path);
while ($filename = readdir($handle)) {
//echo $path."/".$filename."
";
$newpath = $path."/".$filename;
if (is_file($newpath)) {
$fp = fopen($newpath, "r");
$msg = fread($fp, filesize($newpath));
fclose($fp);
match_show($key, $msg, $newpath, $filename);
}
if (is_dir($path."/".$filename) && ($filename != ".") && ($filename != "..")) {
//echo "
".$newpath."
";
get_msg($path."/".$filename);
}
}
closedir($handle);
return $i;
}
function match_show($key, $msg, $newpath, $filename) {
global $i;
$key = chop($key);
if($key) { $check_type = preg_match("/.html?$/", $filename);
if($check_type) {$title = getHtmlTitle($msg);}
$msg = preg_replace("//is", "", $msg);
$msg = preg_replace("/<[^>]+>/", "", $msg);
$value = preg_match("/.*$key.*/i", $msg, $res);
if($value) {
if($title) {$m = $title;} else {$m = $filename;}
$i++;
$link = $newpath;
echo "$i.◆$m
";
}
}else {
echo "请输入关键词";
exit;
}
}
function getHtmlTitle($msg) {
/* Locate where
is located in html file. */<BR> $lBound = strpos($msg, '<title>') + 7; //7 is the lengh of <title>.</P>
<P> if ($lBound < 1)<BR> return;</P>
<P> /* Locate where is located in html file. */
$uBound = strpos($msg, '', $lBound);
if ($uBound < $lBound)
return;
/* Clean HTML and PHP tags out of $title with the madness below. */
$title = ereg_replace("[tnr]", '', substr($msg, $lBound, $uBound - $lBound));
$title = trim(strip_tags($title));
if (strlen($title) < 1) //A blank title is worthless.
return;
return $title;
}
$i = get_msg(".");
echo "
";
echo " 已经搜索到了 $i 条信息";
?>
本文作者:佚名 来源:http://www.channel7.cn
CIO之家 www.ciozj.com 微信公众号:imciow