php 獲取百度下拉詞 相關(guān)搜索 存txt文件
本文實(shí)例講述了PHP實(shí)現抓取百度搜索結果頁(yè)面【相關(guān)搜索詞】并存儲到txt文件。分享給大家供大家參考，具體如下：
一、百度搜索關(guān)鍵詞【腳本之家】
【腳本之家】搜索鏈接
https://www.baidu.com/s?ie=utf-8&f=8&rsv_bp=0&rsv_idx=1&tn=baidu&wd=%E8%84%9A%E6%9C%AC%E4%B9%8B%E5%AE%B6&rsv_pq=ab33cfeb000086a2&rsv_t=7c65vT3KzHCNfGYOIn%2FDSS%2BOQUiCycaspxWzSOBfkHYpgRIPKMI74WIi8K8&rqlang=cn&rsv_enter=1&rsv_sug3=1
搜索結果部分源代碼：
<div id="rs"><div class="tt">相關(guān)搜索</div><table cellpadding="0"><tbody><tr><th><a href="/s?wd=%E6%B8%B8%E6%88%8F%E8%84%9A%E6%9C%AC%E4%B8%80%E8%88%AC%E9%83%BD%E5%9C%A8%E5%93%AA%E6%89%BE&rsf=4562&rsp=0&f=1&oq=%E8%84%9A%E6%9C%AC%E4%B9%8B%E5%AE%B6&ie=utf-8&rsv_idx=1&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM&rqlang=cn&rs_src=0&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM" rel="external nofollow" >游戲腳本一般都在哪找</a></th><td></td><th><a href="/s?wd=%E8%84%9A%E6%9C%AC%E6%80%8E%E4%B9%88%E5%86%99&rsf=4562&rsp=1&f=1&oq=%E8%84%9A%E6%9C%AC%E4%B9%8B%E5%AE%B6&ie=utf-8&rsv_idx=1&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM&rqlang=cn&rs_src=0&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM" rel="external nofollow" >腳本怎么寫(xiě)</a></th><td></td><th><a href="/s?wd=%E8%84%9A%E6%9C%AC%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D&rsf=4562&rsp=2&f=1&oq=%E8%84%9A%E6%9C%AC%E4%B9%8B%E5%AE%B6&ie=utf-8&rsv_idx=1&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM&rqlang=cn&rs_src=0&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM" rel="external nofollow" >腳本是什么意思</a></th></tr><tr><th><a href="/s?wd=%E8%84%9A%E6%9C%AC%E4%B9%8B%E5%AE%B6app&rsf=4562&rsp=3&f=1&oq=%E8%84%9A%E6%9C%AC%E4%B9%8B%E5%AE%B6&ie=utf-8&rsv_idx=1&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM&rqlang=cn&rs_src=0&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM" rel="external nofollow" >腳本之家app</a></th><td></td><th><a href="/s?wd=%E6%89%8B%E6%9C%BA%E8%84%9A%E6%9C%AC%E5%88%B6%E4%BD%9C&rsf=4562&rsp=4&f=1&oq=%E8%84%9A%E6%9C%AC%E4%B9%8B%E5%AE%B6&ie=utf-8&rsv_idx=1&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM&rqlang=cn&rs_src=0&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM" rel="external nofollow" >手機腳本制作</a></th><td></td><th><a href="/s?wd=%E6%89%8B%E6%9C%BA%E8%84%9A%E6%9C%AC%E5%A4%A7%E5%85%A8&rsf=4562&rsp=5&f=1&oq=%E8%84%9A%E6%9C%AC%E4%B9%8B%E5%AE%B6&ie=utf-8&rsv_idx=1&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM&rqlang=cn&rs_src=0&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM" rel="external nofollow" >手機腳本大全</a></th></tr><tr><th><a href="/s?wd=%E8%84%9A%E6%9C%AC%E6%B8%B8%E6%88%8F%E5%88%B6%E4%BD%9C%E5%A4%A7%E5%B8%88&rsf=4562&rsp=6&f=1&oq=%E8%84%9A%E6%9C%AC%E4%B9%8B%E5%AE%B6&ie=utf-8&rsv_idx=1&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM&rqlang=cn&rs_src=0&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM" rel="external nofollow" >腳本游戲制作大師</a></th><td></td><th><a href="/s?wd=%E6%B8%B8%E6%88%8F%E8%84%9A%E6%9C%AC%E5%88%B6%E4%BD%9C%E6%95%99%E7%A8%8B&rsf=4562&rsp=7&f=1&oq=%E8%84%9A%E6%9C%AC%E4%B9%8B%E5%AE%B6&ie=utf-8&rsv_idx=1&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM&rqlang=cn&rs_src=0&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM" rel="external nofollow" >游戲腳本制作教程</a></th><td></td><th><a href="/s?wd=%E8%84%9A%E6%9C%AC%E7%B2%BE%E7%81%B5&rsf=4562&rsp=8&f=1&oq=%E8%84%9A%E6%9C%AC%E4%B9%8B%E5%AE%B6&ie=utf-8&rsv_idx=1&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM&rqlang=cn&rs_src=0&rsv_pq=c1ff4bdb000208b4&rsv_t=a1f2OCsgS6vkkBcxsdqfBfehkXoR65%2FtFlpSI30%2F%2FMmk6jQJEukZbv30XaM" rel="external nofollow" >腳本精靈</a></th></tr></tbody></table></div>
二、抓取并保存本地
源代碼
index.php：
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<form action="index.php" method="post"><input name="q" type="text" /><input type="submit" value="Get Keywords" /></form><?phpheader('Content-Type:text/html;charset=gbk');class ComBaike{ private $o_String=NULL; public function __construct(){ include('cls.StringEx.php'); $this->o_String=new StringEx(); } public function getItem($word){ $url = "http://www.baidu.com/s?wd=".$word; // 構造包頭，模擬瀏覽器請求 $header = array ( "Host:www.baidu.com", "Content-Type:application/x-www-form-urlencoded",//post請求 "Connection: keep-alive", 'Referer:http://www.baidu.com', 'User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; BIDUBrowser 2.6)' ); $ch = curl_init (); curl_setopt ( $ch, CURLOPT_URL, $url ); curl_setopt ( $ch, CURLOPT_HTTPHEADER, $header ); curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 ); $content = curl_exec ( $ch ); if ($content == FALSE) { echo "error:" . curl_error ( $ch ); } curl_close ( $ch ); //輸出結果echo $content; $this->o_String->string=$content; $s_begin='<div id="rs">'; $s_end='</div>'; $summary=$this->o_String->getPart($s_begin,$s_end); $s_begin='<div class="tt">相關(guān)搜索</div><table cellpadding="0"><tr><th>'; $s_end='</th></tr></table></div>'; $content=$this->o_String->getPart($s_begin,$s_end); return $content; } public function __destruct(){ unset($this->o_String); }}if($_POST){ $com = new ComBaike(); $q = $_POST['q']; $str = $com->getItem($q); //獲取搜索內容 $pat = '/<a(.*?)href="(.*?)" rel="external nofollow" (.*?)>(.*?)<\/a>/i'; preg_match_all($pat, $str, $m); //print_r($m[4]); 鏈接文字 $con = implode(",", $m[4]); //生成文件夾 $dates = date("Ymd"); $path="./Search/".$dates."/"; if(!is_dir($path)){ mkdir($path,0777,true); } //生成文件 $file = fopen($path.iconv("UTF-8","GBK",$q).".txt",'w'); if(fwrite($file,$con)){ echo $con; echo '<script>alert("success")</script>'; }else{ echo '<script>alert("error")</script>'; } fclose($file);}?> |
cls.StringEx.php：
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<?phpheader('Content-Type: text/html; charset=UTF-8');class StringEx{ public $string=''; public function __construct($string=''){ $this->string=$string; } public function pregGetPart($s_begin,$s_end){ $s_begin==preg_quote($s_begin); $s_begin=str_replace('/','\/',$s_begin); $s_end=preg_quote($s_end); $s_end=str_replace('/','\/',$s_end); $pattern='/'.$s_begin.'(.*?)'.$s_end.'/'; $result=preg_match($pattern,$this->string,$a_match); if(!$result){ return $result; }else{ return isset($a_match[1])?$a_match[1]:''; } } public function strstrGetPart($s_begin,$s_end){ $string=strstr($this->string,$s_begin); $string=strstr($string,$s_end,true); $string=str_replace($s_begin,'',$string); $string=str_replace($s_end,'',$string); return $string; } public function getPart($s_begin,$s_end){ $result=$this->pregGetPart($s_begin,$s_end); if(!$result){ $result=$this->strstrGetPart($s_begin,$s_end); } return $result; }}?> |
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