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仿百度站内搜索引擎代码

来源：互联网作者： rocket 2008-03-17/10:25

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PHP

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正文

本文给你展示，最强悍的站内搜索代码，仿照百度搜索引擎全面提高站内搜索效率和速度

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style>
body,td,.p1,.p2,.i{font-family:arial}
body{margin:6px 0 0 0;background-color:#fff;color:#000;}
table{border:0}
a.t:hover{TEXT-DECORATION:underline}
.f{line-height:100%;font-size:100%;width:43em;padding-left:15px;word-break:break-all;word-wrap:break-word;}
.Tit {height:21px; font-size:14px;}
.fB {font-weight:bold;}
.i1 {font-size:16px}
.bi {background-color:#D9E1F7;height:20px;margin-bottom:12px}
.p{padding-left:18px;font-size:14px;word-spacing:4px;}
.m,a.m:link{COLOR:#666666;font-size:100%;}
#ft{clear:both;line-height:20px;background:#E6E6E6;text-align:center}
#ft,#ft *{color:#77C;font-size:12px;font-family:Arial}
#ft span{color:#666}
#usrbar{padding-right:10px;line-height:19px;font-size:12px;font-family:Arial;text-align:right;white-space:nowrap;margin-bottom:3px !important;margin-bottom:10px;}
.kw {font-family:Verdana;font-size:18px;}
.sb {height:2em;width:5.6em;font-size:14px;}
#b {width:600px;height:30px;padding-top:4px;color:#77c;font-size:12px;font-family:Arial}
#km {font-size:14px;height:50px;}
#l {font-size:14px;font-family:arial;width:600px;text-align:left;margin-bottom:5px}
img{border:0}
</style>
<title>
<?php
$keyword=htmlspecialchars($_GET['keyword']);
if($keyword!="")
{
echo "PHP学习网站内搜索_".$keyword."——Powered By PHPXUEXI.CN";
?> </title>
<?php
}
else
{?>
</title>
</head>
<body>
<br /></br />
<center><a href="/index.html" target="_blank"><img src="images/php_logo_search_da.gif" alt="PHP学习网站内搜索" width="189" height="75" border="0" /></a><br />
<br />
<br />
<br />
<table width="600" border="0" cellpadding="0" cellspacing="0">
<tr valign="top">
<td width="92"></td>
<td height="62"><form action="/search.php" method="get" name="search_form" target="_self" id="f">
<input type="text" name="keyword" class="kw" size="32" maxlength="100"/>
<input type="hidden" name="page" value="1" />
<input name="submit" type="submit" class="sb" value="站内搜索" />
<input type="hidden" name="writekeywords" value="yes" />
<br />
<br />
</form></td>
<td width="100" align="left"><a href="/others/search_help.html" target="_self" style="font-size:12px">帮助</a><br />
</td>
</tr>
</table>
<br />
<p style="height:30px;"><a target=_top href=javascript:window.external.AddFavorite('http://www.phpxuexi.cn','PHP学习网-PHP初学者的乐园') style="font-size:12px">把PHP学习网设加入收藏</a></p>
<p style="height:14px;font-size:12px;"><a href="/others/about_cn.html" target="_blank">关于PHP学习网</a> | <a href="/others/about_en.html" target="_blank" style="font-size:12px">About PHPxuexi.cn</a></p>
<p id="b" style="font-size:12px">©2007 PHPxuexi.cn <a href="http://www.baidu.com/duty"/></a></a> <a href="http://www.miibeian.gov.cn" target="_blank">津ICP备07001504号</a> <a href="http://www.miibeian.gov.cn/" target="_blank"></a> <a href="http://www.hd315.gov.cn/beian/view.asp?bianhao=010202001092500412"><img src="http://gimg.baidu.com/img/gs.gif" /></a></p>
</center></body>
</html>
<?PHP
exit(0);
}
?>
</head>
<body>
<table width="100%" height="54" align="center" cellpadding="0" cellspacing="0">
<form action="/search.php" method="get" name="search_form" target="_self">
<tr valign="middle">
<td width="100%" valign="top" style="padding-left:8px;width:137px;" nowrap="nowrap"><a href="/index.html"><img src="/images/php_log_search.gif" border="0" alt="到PHP学习首页" /></a> </td>
<td>   </td>
<td width="100%" valign="top"><div class="Tit">  
</div>
<table cellspacing="0" cellpadding="0">
<tr>
<td valign="top" nowrap="nowrap">
<input name="keyword" type="text" size="39" maxlength="20" value="<?PHP echo $keyword;?>"/>
<input type="hidden" name="writekeywords" value="yes" />
<input name="submit" type="submit" style="padding-top:2px;" value="搜索本站"/>
<input type="hidden" name="page" value="1" />
   </td>
<td valign="middle" nowrap="nowrap"><a href="/others/search_help.html" target="_blank" style="font-size:12px">搜索帮助</a></td>
</tr>
</table></td>
<td></td>
</tr>
</form>
</table>
<table width="100%" border="0" align="center" cellpadding="0" cellspacing="0" class="bi">
<tr>
<td nowrap style="FONT-SIZE:9pt;LINE-HEIGHT:18px;">   <a target=_top href=javascript:window.external.AddFavorite('http://www.phpxuexi.cn','PHP学习网-PHP初学者的乐园')>把PHP学习网设加入收藏</a>.
</a><span style="font-size:12px">      注意：此为本站搜索引擎，并非<a href="http://www.google.cn/" target="_blank">Google</a>或者<a href="http://www.baidu.com/" target="_blank">百度</a>数据。</span></td>
<?php
$page=$_GET['page'];
$allpage=$_GET['allpage'];
$cnt=$_GET['cnt'];
$yesno_1=0;
if($_GET['writekeywords']=="yes")
{
require("php_admin/admin_conn_1.php");
$query =" SELECT * FROM nan_keyword WHERE word='".$keyword."'";
require("php_admin/admin_conn_2.php");
while($row = mysql_fetch_array($result))
{
$yesno_1=$row[3];
}
if(!$yesno_1)//if count(*) is NULL
{
require("php_admin/admin_conn_1.php");
$query="INSERT INTO nan_keyword(id,word,num,date) VALUES (NULL,'".$keyword."',1,'".date("Y-m-d",time())."')";
require("php_admin/admin_conn_2.php");
if(!$query)
{
//echo "插入新搜索关键词失败！";
}
else
{
//echo "插入新搜索关键词成功！";
}
$yesno_1=0;
}
else//count(*)is not NULL
{
$num=$yesno_1+1;
require("php_admin/admin_conn_1.php");
$query ="UPDATE nan_keyword SET num=".$num.",date='".date("Y-m-d",time())."'WHERE word='".$keyword."'";
require("php_admin/admin_conn_2.php");
if(!$query)
{
//echo "更新搜索关键词失败！";
}
else
{
//echo "更新搜索关键词成功！";
}
}
require("php_admin/admin_conn_1.php");
$query =" SELECT count(*) FROM nan_article WHERE title LIKE '%".$keyword."%' OR about LIKE '%".$keyword."%' OR content LIKE '%".$keyword."%'";
require("php_admin/admin_conn_2.php");
if($row = mysql_fetch_array($result))/*取得数据表的所有符合项*/
$cnt=$row[0];
if($cnt!=0)
{
$allpage=ceil($cnt/10);
}
else
{
$allpage=0;
}
}?>
<td align="right" nowrap style="FONT-SIZE:9pt;LINE-HEIGHT:18px;">搜索一下，找到相关网页<?php echo $cnt; ?>篇    </td>
</tr>
</table>
<?PHP
if($allpage==0)
{?>
<div style="margin:0 0 0 15px;font-size:14px;line-height:20px;">
抱歉，没有找到与“<?PHP echo $keyword; ?>”相关的网页。 <br />
<br />
本站建议您：
<div style="margin-top:0px;margin-left:15px;">
<li>看看输入的文字是否有误 </li>
<li>去掉可能不必要的字词，如“的”、“什么”等 </li>
<li>阅读<a href="/search/noresult.html" target="_blank">帮助</a> </li>
</div>
</div><?PHP
}
else
{
require("php_admin/admin_conn_1.php");
$query =" SELECT * FROM nan_article WHERE title LIKE '%".$keyword."%' OR about LIKE '%".$keyword."%' OR content LIKE '%".$keyword."%' order by id DESC LIMIT ".(10*($page-1)).",".(10*$page);
require("php_admin/admin_conn_2.php");
while($row = mysql_fetch_array($result))
{
?>
<table border="0" cellpadding="0" cellspacing="0">
<tr>
<td class=f style="FONT-SIZE:9pt;LINE-HEIGHT:18px;">
<font color=#C60A00></font>
<a href="/html/php<?PHP echo $row[0];?>.html" target="_self" title="<?PHP echo $row[2];?>">
<font size="3" color="#261cdc">
<?php
$r11=strip_tags($row[1]);
if(strlen($r11)>69)
{
$sc_t=substr($r11,0,69);
echo $sc_t."...";
}
else
{
echo $r11;
}
?></font></a><br><font size=-1>
<?
$r31=strip_tags($row[3]);
if(strlen($r31)>291)
{
$b=substr($r31,0,291);
echo $b."..."."<br>";
}
else
{
echo $r31."<br>";
}
?></font>
<font color=#008000>
www.phpxuexi.cn/html/php<?PHP echo $row[0];?>.html <?PHP echo $sc_fl=substr($row[6],0,17);?>
</font>
<?php
switch ($row[5])
{
case "新手入门":
?><a href="/newer.html" target="_blank" class="m">新手入门常见问题</a>
<?PHP break;
case "PHP基础":?>
<a href="/base.html" target="_blank" class="m">PHP基础</a>
<?PHP break;
case "PHP进阶":
?><a href="/newer.html" target="_blank" class="m">PHP进阶</a>
<?PHP break;
case "数据库":?>
<a href="/base.html" target="_blank" class="m">数据库操作</a>
<?PHP break;
case "PHP源码":
?><a href="/newer.html" target="_blank" class="m">PHP源码</a>
<?PHP break;
} ?>
</font></td>
</tr>
</table><br>
<?PHP
}//搜索正文结束
if($allpage!=1)
{?><div class="p"><?PHP
if($page!=1)
echo"<a href="search.php?page=".($page-1)."&cnt=".$cnt."&allpage=".$allpage."&keyword=".$keyword."" target="_self">上一页</a>";
for($i=0;$i<$allpage;$i++)
{
if(($i+1)!=$page)
echo " <a href="search.php?page=".($i+1)."&cnt=".$cnt."&allpage=".$allpage."&keyword=".$keyword."" target="_self">[".($i+1)."]</a> ";
else
echo " [".($i+1)."] ";
}
if($allpage!=$page)
echo"<a href="search.php?page=".($page+1)."&cnt=".$cnt."&allpage=".$allpage."&keyword=".$keyword."" target="_self">下一页</a>";
}?></div>
<?PHP
}
?>
<table cellpadding="0" cellspacing="0" style="margin-left:18px;height:60px;">
<form action="/search.php" method="get" target="_self"><tr valign="middle">
<td nowrap style="FONT-SIZE:9pt;LINE-HEIGHT:18px;">
<input name="keyword" type="text" size="35" value="<?PHP echo $keyword;?>"maxlength="20" />
<input type="hidden" name="writekeywords" value="yes" />
<input name="submit" type="submit" style="padding-top:2px;" value="搜索本站"/>
<input type="hidden" name="page" value="1" />
</td></tr>
</form>
</table>
<div id="ft">©2007 PHP学习网 <span>此内容系PHP学习网根据您的指令自动搜索的结果</span></div>
</body>
</html>