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代码:

 

<!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=gb2312" />

<title>FZ 搜索</title>

<style type="text/css">

 *{

  margin:0;

  padding:0;

  font-family:"宋体";

  font-size:9pt; 

 }

 h1{

  font-size:12pt;

 }

 #main{

  width:900px;

  margin:10px auto;

  text-align:center;

  font-size:12pt;

 }

 .inp{

  width:400px;

  height:24px;

  line-height:24px;

  border:1px solid #CCCCCC;

  padding:0 5px;

 }

 .btn{

  width:80px;

  height:28px;

  line-height:28px;

 }

 .info{

  width:800px;

  border-collapse:collapse;

  margin:10px auto;

 }

 .info tr{   

  border-collapse:collapse;

 }

 .info td,.info th{

  border:1px solid #EEA011;

  padding:5px;

 }

 .trbg{

  background-color:#EC8015;

 }

 a{

  color:#333333;

  text-decoration:none;

 }

 a:hover{

  color:#0000FF;

  text-decoration:underline;

 }

</style>

</head>

<body>

<?php

 if(!empty($_POST['wd'])){

  set_time_limit(0);

  $wd = $_POST['wd'];

  $wd = preg_replace('/[ ]+/',' ',$wd);

  $url = 'http://www.baidu.com/s?wd='.urlencode($wd);

  $s = file_get_contents($url);

  preg_match('/<body[^>]*>([\s\S]*)<\/body>/iU',$s,$d);

  $s = $d[1]; 

  $arr = array("/\s+/","/\s*<\s*/","/\s*>\s*/","/\s*=\s*/");

  $to = array(' ','<','>','=');

  $s = preg_replace($arr,$to,$s);

  $a = '/<table[^>]*id="\d*"[^>]*>([\s\S]*)<\/table>/iU';

  $a_tit = '/<a[^>]*href="([^"]*)"[^>]*>([\s\S]*)<\/a>/iU'; 

  $a_intro = '/<font size=(-1|"-1")>([\s\S]*)<br/iU';

  $a_time = '/\d{4}-\d{1,2}-\d{1,2}/';

 

  preg_match_all($a,$s,$d); 

  if(count($d[0])){

   foreach($d[1] as $s){

    preg_match($a_tit,$s,$d);

    $d2['url'] = $d[1];

    $d2['title'] = preg_replace("/<[^>]*>/",'',$d[2]);

    preg_match($a_intro,$s,$d);

    $d2['intro'] = preg_replace("/<[^>]*>/",'',$d[2]);

    preg_match($a_time,$s,$d);

    $d2['time'] = $d[0];

    $RS_data[] = $d2;

   }

   unset($d);

  }

 } 

?>

<div id="main">

<h1>FZ 搜索</h1>

<form name="frm" action="" method="post" onsubmit="return ckForm(this);">

<table>

 <tr>

  <td align="left">请输入搜索词：</td>

 </tr>

 <tr>

  <td align="right"><input type="text" name="wd" class="inp" onfocus="foc(this);" onblur="blu(this);" value="<?php echo $wd ?>" />&nbsp;&nbsp;<input type="submit" value="搜索" class="btn" /></td>

 </tr>

</table>

</form>

<hr />

<table class="info">

 <tr>

  <th width="50">排名</th>

  <th width="300">标题</th>

  <th>描述</th>

  <th width="60">收录时间</th>

 </tr>

 <?php 

  if(count($RS_data)){

   $i = 0;

   $s = '';

   foreach($RS_data as $d){

    $i++;

    $s .= '<tr>';

    $s .= "<td>$i</td>";

    $s .= "<td align='left'><a href='$d[url]' target='_blank'>$d[title]</a></td>";

    $s .= "<td align='left'>$d[intro]</td>";

    $s .= "<td>$d[time]</td>";

    $s .= '</tr>';

   }

   echo $s;

  }

 ?>

</table>

</div>

<script language="javascript" type="text/javascript">

 function foc(obj){  

  obj.style.borderColor = '#006BD7';

 }

 

 function blu(obj){ 

  var v = obj.value;

  var color = (v||v=='http://')?'#A5ACB2':'#FF0000'; 

  obj.style.borderColor = color;

 }

 

 function ckForm(f){

  var v = f.wd.value;

  if(v=''){

   alert('请输入搜索词！');

   return false;

  }  

  return true;

 }

</script>

</body>

</html>
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