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抓取“IC交易网”供应商程序_PHP教程

时间:2021-07-01 10:21:17 帮助过:20人阅读

/**
* 抓取“IC 交易网”供应商主程序
* author Lee.
* Last modify $Date: 2012-2-6 10:44:32$
* 注:本程序按照编码 GB2312 执行,因为“IC 交易网”网站是GB2312编码,数据库也得保持一致
*/
class ic {
private $key; // 型号
private $pageNum; // 页码

/**
* 入口程序
*/
public function go($key) {
$this->key = $key;
$this->pageNum = $this->getPageNum();
$this->getInfo();
}

/**
* 获取供应商 url 链接数组
* @return ArrayObject
*/
private function getInfo() {
if ($this->pageNum==1) { # 处理只有一页的情况
$arr = $this->shopUrlMatchReArr($this->getContent());
$this->isAddSuccess($arr);
} elseif ($this->pageNum>1) { # 多页
for ($i=1; $i<=$this->pageNum; $i++) {
$arr = $this->shopUrlMatchReArr($this->getContent($i));
$this->isAddSuccess($arr);
}
}
}

/**
* 打印是否添加成功
* @param ArrayObject $arr
* @return string
*/
private function isAddSuccess($arr) {
foreach ($arr as $k=>$v) {
if ($this->execAdd($this->getInfoByShopUrl($v))) {
echo 'Add Success!!';
} else {
echo 'Add Faild!!';
}
}
}

/**
* 执行添加到数据库
* @param ArrayObject $infoArr
* @return Number 受影响的行数
*/
private function execAdd($infoArr) {
$mysqli = $this->getDb();
if (!emptyempty($infoArr['company'])) {
if (!$this->isExists($mysqli, $infoArr)) {
$num = $mysqli->query("INSERT INTO ic(company,address,phone,mobile,fax,zip,person,qq,msn,email,website,regDate,shopUrl) VALUES ('{$infoArr['company']}','{$infoArr['address']}','{$infoArr['phone']}','{$infoArr['mobile']}','{$infoArr['fax']}','{$infoArr['zip']}','{$infoArr['person']}','{$infoArr['qq']}','{$infoArr['msn']}','{$infoArr['email']}','{$infoArr['website']}','{$infoArr['regDate']}','{$infoArr['shopUrl']}')");
return $num;
} else {
return false; # 表示数据已经存在
}
} else {
return false;
}
}

/**
* 连接数据库
*/
private function getDb() {
$mysqli = new mysqli('localhost', 'root', '1715544', 'weiku');
$mysqli->query('SET NAMES GB2312');
return $mysqli;
}

/**
* 检查公司是否已经存在
* @param Resource $mysqli
* @param ArrayObject $infoArr
* @return bool
*/
private function isExists($mysqli, $infoArr) {
$mysqli->query("SELECT company FROM ic WHERE company = '{$infoArr['company']}'");
if ($mysqli->affected_rows) {
return true;
} else {
return false;
}
}

/**
* 格式化字符串
* @param string $str
* @return string
*/
private function formatString($str) {
return trim($str);
}

/**
* 抓取信息
* @param $url
* @return ArrayObject
*/
private function getInfoByShopUrl($url) {
$re = $this->getUrlInfo($url);
if (stristr($re, '')) $re = preg_replace('/.*<\/span>/Usi', '', $re);
preg_match_all('/(.+)<\/title>/Usi', $re, $companyArr); <br /> preg_match_all('/地址:(.*)<\/TD>/Usi', $re, $addressArr); <br /> preg_match_all('/电话:(.*)<\/TD>/Usi', $re, $phoneArr); <br /> preg_match_all('/手机:(.*)<\/TD>/Usi', $re, $mobileArr); <br /> preg_match_all('/传真:(.*)<\/TD>/Usi', $re, $faxArr); <br /> preg_match_all('/邮编:(.*)<\/TD>/Usi', $re, $zipArr); <br /> preg_match_all('/联系人:(.*)<\/TD>/Usi', $re, $personArr); <br /> preg_match_all('/QQ:(.*)<\/TD>/Usi', $re, $qqArr); <br /> preg_match_all('/MSN:(.*)<\/TD>/Usi', $re, $msnArr); <br /> preg_match_all('/Email:(.*)<\/TD>/Usi', $re, $emailArr); <br /> preg_match_all('/网址:(.*)<\/TD>/Usi', $re, $websiteArr); <br /> preg_match_all('/注册日期:(.*)<\/TD>/Usi', $re, $regDateArr); <br /> $infoArr = array( <br /> 'company'=>$this->formatString($companyArr[1][0]), <br /> 'address'=>$this->formatString($addressArr[1][0]), <br /> 'phone'=>$this->formatString($phoneArr[1][0]), <br /> 'mobile'=>$this->formatString($mobileArr[1][0]), <br /> 'fax'=>$this->formatString($faxArr[1][0]), <br /> 'zip'=>$this->formatString($zipArr[1][0]), <br /> 'person'=>$this->formatString($personArr[1][0]), <br /> 'qq'=>$this->formatString($qqArr[1][0]), <br /> 'msn'=>$this->formatString($msnArr[1][0]), <br /> 'email'=>$this->formatString($emailArr[1][0]), <br /> 'website'=>$this->stripATags($this->formatString($websiteArr[1][0])), <br /> 'regDate'=>$this->formatString($regDateArr[1][0]), <br /> 'shopUrl'=>$url <br /> ); <br /> return $infoArr; <br /> } <br /> <br /> /**<br /> * 根据页面获取供应商 url 数组<br /> * @param string $re<br /> * @return ArrayObject<br /> */ <br /> private function shopUrlMatchReArr($re) { <br /> preg_match_all('/.+<\/a>/Usi', $re, $arr); <br /> $arr = $this->formatUrlArr(array_unique($arr[1])); <br /> return $arr; <br /> } <br /> <br /> /**<br /> * 格式化数组<br /> * @param Array $arr<br /> * @return ArrayObject<br /> */ <br /> private function formatUrlArr($arr) { <br /> $newArr = array(); <br /> foreach ($arr as $key=>$value) { <br /> if ($this->isExistsHttp($value)) { <br /> $newArr[$key] = $value; <br /> } <br /> } <br /> return $newArr; <br /> } <br /> <br /> /**<br /> * 格式化 QQ<br /> * @param string $str<br /> * @return string<br /> */ <br /> private function formatQqMsn($str, $e='QQ') { <br /> if (emptyempty($str)) return ''; <br /> preg_match_all('/alt="'.$e.'\:(.+)"/Usi', $str, $arr); <br /> if (count($arr[1])==1) return $arr[1][0]; <br /> $newStr = null; <br /> foreach ($arr[1] as $value) { <br /> $newStr .= $value . ' '; <br /> } <br /> return rtrim($newStr, ' '); <br /> } <br /> <br /> /**<br /> * 去掉网址的 A 标签<br /> * @param string $site<br /> * @return string<br /> */ <br /> private function stripATags($site) { <br /> $site = preg_replace('/(.+)<\/a>/', '\1', $site); <br /> return $site; <br /> } <br /> <br /> /**<br /> * 检查 url 是否有 http<br /> * @param string $url<br /> * @return bool<br /> */ <br /> private function isExistsHttp($url) { <br /> if (stristr($url, 'http://')) { <br /> return true; <br /> } else { <br /> return false; <br /> } <br /> } <br /> <br /> /**<br /> * 获取页面内容<br /> * @param Number $page<br /> * @return string<br /> */ <br /> private function getContent($page=1) { <br /> $re = file_get_contents($this->getUrl($this->key, $page)); <br /> return $re; <br /> } <br /> <br /> /**<br /> * 获取页码<br /> * @return Number<br /> */ <br /> private function getPageNum() { <br /> $i = null; <br /> $re = $this->getContent(); <br /> preg_match_all('/共(.+)页/Usi', $re, $arr); <br /> $i = $arr[1][0]; <br /> return $i; <br /> } <br /> <br /> /**<br /> * 获取 URL 链接<br /> * @param string $str<br /> * @param int $page 页码<br /> * @return string<br /> */ <br /> private function getUrl($str, $page=1) { <br /> return "http://www.ic.net.cn/partsearch/searchinstock.asp?newtype=1&area=&Page={$page}&partnumber={$str}&mfg=&DateCode=&QTY=&PRICE=&Exact=&orderby=inputdate&qty_filter=50&usertype2=1&pack="; <br /> } <br /> <br /> /**<br /> * 获取页面内容<br /> * @param string $url<br /> * @return string<br /> */ <br /> private function getUrlInfo($url) { <br /> $re = file_get_contents($url); <br /> return $re; <br /> } <br /> } <br /> <br /> /*<br /> 程序运行思路:根据“IC 交易网”的IC搜索功能,输入型号进行搜索,然后抓取供应商信息<br /> <br /> 数据库结构<br /> CREATE TABLE `ic` (<br /> `id` mediumint(8) unsigned NOT NULL auto_increment,<br /> `company` varchar(500) NOT NULL,<br /> `address` varchar(500) default NULL,<br /> `phone` varchar(500) default NULL,<br /> `mobile` varchar(500) default NULL,<br /> `fax` varchar(300) default NULL,<br /> `zip` varchar(300) default NULL,<br /> `person` varchar(500) default NULL,<br /> `qq` varchar(300) default NULL,<br /> `msn` varchar(300) default NULL,<br /> `email` varchar(500) default NULL,<br /> `website` varchar(300) default NULL,<br /> `regDate` varchar(500) default NULL,<br /> PRIMARY KEY (`id`)<br /> ) ENGINE=InnoDB DEFAULT CHARSET=gb2312<br /> */ <br /> <br /> $i = new ic(); <br /> $arr = array_unique(array('MAX3232', 'AML8613', 'MT6225A', 'OM8373PS/N3/A', 'PT7313', 'MAX8212ESA', 'TL431', 'S3C2440', 'TMS320F2812PGFA', 'PCM1704', 'AN6717', 'CA3162E', 'CA3161E', 'LM393N', 'DS18B20', 'SHT10', 'AML8613', 'AN6717', 'LM393N', 'CA3161E', 'CA3162E', 'PCM1704', 'STK392-040', 'K1667', 'MAX232', 'STM32F103', 'LM358')); <br /> foreach ($arr as $v) { <br /> $i->go($v); <br /> } <br /> ?> <br /> <?php<br /> /**<br /> * 抓取“IC 交易网”供应商主程序<br /> * author Lee.<br /> * Last modify $Date: 2012-2-6 10:44:32$<br /> * 注:本程序按照编码 GB2312 执行,因为“IC 交易网”网站是GB2312编码,数据库也得保持一致<br /> */<br /> class ic {<br /> private $key; // 型号<br /> private $pageNum; // 页码</p> <p> /**<br /> * 入口程序<br /> */<br /> public function go($key) {<br /> $this->key = $key;<br /> $this->pageNum = $this->getPageNum();<br /> $this->getInfo();<br /> }</p> <p> /**<br /> * 获取供应商 url 链接数组<br /> * @return ArrayObject<br /> */<br /> private function getInfo() {<br /> if ($this->pageNum==1) { # 处理只有一页的情况<br /> $arr = $this->shopUrlMatchReArr($this->getContent());<br /> $this->isAddSuccess($arr);<br /> } elseif ($this->pageNum>1) { # 多页<br /> for ($i=1; $i<=$this->pageNum; $i++) {<br /> $arr = $this->shopUrlMatchReArr($this->getContent($i));<br /> $this->isAddSuccess($arr);<br /> }<br /> } <br /> }<br /> <br /> /**<br /> * 打印是否添加成功<br /> * @param ArrayObject $arr<br /> * @return string<br /> */<br /> private function isAddSuccess($arr) {<br /> foreach ($arr as $k=>$v) {<br /> if ($this->execAdd($this->getInfoByShopUrl($v))) {<br /> echo 'Add Success!!';<br /> } else {<br /> echo 'Add Faild!!';<br /> }<br /> }<br /> }</p> <p> /**<br /> * 执行添加到数据库<br /> * @param ArrayObject $infoArr<br /> * @return Number 受影响的行数<br /> */<br /> private function execAdd($infoArr) {<br /> $mysqli = $this->getDb();<br /> if (!empty($infoArr['company'])) {<br /> if (!$this->isExists($mysqli, $infoArr)) {<br /> $num = $mysqli->query("INSERT INTO ic(company,address,phone,mobile,fax,zip,person,qq,msn,email,website,regDate,shopUrl) VALUES ('{$infoArr['company']}','{$infoArr['address']}','{$infoArr['phone']}','{$infoArr['mobile']}','{$infoArr['fax']}','{$infoArr['zip']}','{$infoArr['person']}','{$infoArr['qq']}','{$infoArr['msn']}','{$infoArr['email']}','{$infoArr['website']}','{$infoArr['regDate']}','{$infoArr['shopUrl']}')");<br /> return $num;<br /> } else {<br /> return false; # 表示数据已经存在<br /> }<br /> } else {<br /> return false;<br /> }<br /> }</p> <p> /**<br /> * 连接数据库<br /> */<br /> private function getDb() {<br /> $mysqli = new mysqli('localhost', 'root', '1715544', 'weiku');<br /> $mysqli->query('SET NAMES GB2312');<br /> return $mysqli;<br /> }</p> <p> /**<br /> * 检查公司是否已经存在<br /> * @param Resource $mysqli<br /> * @param ArrayObject $infoArr<br /> * @return bool<br /> */<br /> private function isExists($mysqli, $infoArr) {<br /> $mysqli->query("SELECT company FROM ic WHERE company = '{$infoArr['company']}'");<br /> if ($mysqli->affected_rows) {<br /> return true;<br /> } else {<br /> return false;<br /> }<br /> }</p> <p> /**<br /> * 格式化字符串<br /> * @param string $str<br /> * @return string<br /> */<br /> private function formatString($str) {<br /> return trim($str);<br /> }</p> <p> /**<br /> * 抓取信息<br /> * @param $url<br /> * @return ArrayObject<br /> */<br /> private function getInfoByShopUrl($url) {<br /> $re = $this->getUrlInfo($url);<br /> if (stristr($re, '<span class="STYLE2">')) $re = preg_replace('/<span class="STYLE2">.*<\/span>/Usi', '', $re);<br /> preg_match_all('/<title>(.+)<\/title>/Usi', $re, $companyArr);<br /> preg_match_all('/地址:(.*)<\/TD>/Usi', $re, $addressArr);<br /> preg_match_all('/电话:(.*)<\/TD>/Usi', $re, $phoneArr);<br /> preg_match_all('/手机:(.*)<\/TD>/Usi', $re, $mobileArr);<br /> preg_match_all('/传真:(.*)<\/TD>/Usi', $re, $faxArr);<br /> preg_match_all('/邮编:(.*)<\/TD>/Usi', $re, $zipArr);<br /> preg_match_all('/联系人:(.*)<\/TD>/Usi', $re, $personArr);<br /> preg_match_all('/QQ:(.*)<\/TD>/Usi', $re, $qqArr);<br /> preg_match_all('/MSN:(.*)<\/TD>/Usi', $re, $msnArr);<br /> preg_match_all('/Email:(.*)<\/TD>/Usi', $re, $emailArr);<br /> preg_match_all('/网址:(.*)<\/TD>/Usi', $re, $websiteArr);<br /> preg_match_all('/注册日期:(.*)<\/TD>/Usi', $re, $regDateArr);<br /> $infoArr = array(<br /> 'company'=>$this->formatString($companyArr[1][0]),<br /> 'address'=>$this->formatString($addressArr[1][0]),<br /> 'phone'=>$this->formatString($phoneArr[1][0]),<br /> 'mobile'=>$this->formatString($mobileArr[1][0]),<br /> 'fax'=>$this->formatString($faxArr[1][0]),<br /> 'zip'=>$this->formatString($zipArr[1][0]),<br /> 'person'=>$this->formatString($personArr[1][0]),<br /> 'qq'=>$this->formatString($qqArr[1][0]),<br /> 'msn'=>$this->formatString($msnArr[1][0]),<br /> 'email'=>$this->formatString($emailArr[1][0]),<br /> 'website'=>$this->stripATags($this->formatString($websiteArr[1][0])),<br /> 'regDate'=>$this->formatString($regDateArr[1][0]),<br /> 'shopUrl'=>$url<br /> );<br /> return $infoArr;<br /> }</p> <p> /**<br /> * 根据页面获取供应商 url 数组<br /> * @param string $re<br /> * @return ArrayObject<br /> */<br /> private function shopUrlMatchReArr($re) {<br /> preg_match_all('/.+<\/a>/Usi', $re, $arr);<br /> $arr = $this->formatUrlArr(array_unique($arr[1]));<br /> return $arr;<br /> }<br /> <br /> /**<br /> * 格式化数组<br /> * @param Array $arr<br /> * @return ArrayObject<br /> */<br /> private function formatUrlArr($arr) {<br /> $newArr = array();<br /> foreach ($arr as $key=>$value) {<br /> if ($this->isExistsHttp($value)) {<br /> $newArr[$key] = $value;<br /> }<br /> }<br /> return $newArr;<br /> }<br /> <br /> /**<br /> * 格式化 QQ<br /> * @param string $str<br /> * @return string<br /> */<br /> private function formatQqMsn($str, $e='QQ') {<br /> if (empty($str)) return '';<br /> preg_match_all('/alt="'.$e.'\:(.+)"/Usi', $str, $arr);<br /> if (count($arr[1])==1) return $arr[1][0];<br /> $newStr = null;<br /> foreach ($arr[1] as $value) {<br /> $newStr .= $value . ' ';<br /> }<br /> return rtrim($newStr, ' ');<br /> }</p> <p> /**<br /> * 去掉网址的 A 标签<br /> * @param string $site<br /> * @return string<br /> */<br /> private function stripATags($site) {<br /> $site = preg_replace('/(.+)<\/a>/', '\1', $site);<br /> return $site;<br /> }</p> <p> /**<br /> * 检查 url 是否有 http<br /> * @param string $url<br /> * @return bool<br /> */<br /> private function isExistsHttp($url) {<br /> if (stristr($url, 'http://')) {<br /> return true;<br /> } else {<br /> return false;<br /> }<br /> }<br /> <br /> /**<br /> * 获取页面内容<br /> * @param Number $page<br /> * @return string<br /> */<br /> private function getContent($page=1) {<br /> $re = file_get_contents($this->getUrl($this->key, $page));<br /> return $re;<br /> }<br /> <br /> /**<br /> * 获取页码<br /> * @return Number<br /> */<br /> private function getPageNum() {<br /> $i = null;<br /> $re = $this->getContent();<br /> preg_match_all('/共(.+)页/Usi', $re, $arr);<br /> $i = $arr[1][0];<br /> return $i;<br /> }</p> <p> /**<br /> * 获取 URL 链接<br /> * @param string $str<br /> * @param int $page 页码<br /> * @return string<br /> */<br /> private function getUrl($str, $page=1) {<br /> return "http://www.ic.net.cn/partsearch/searchinstock.asp?newtype=1&area=&Page={$page}&partnumber={$str}&mfg=&DateCode=&QTY=&PRICE=&Exact=&orderby=inputdate&qty_filter=50&usertype2=1&pack=";<br /> }</p> <p> /**<br /> * 获取页面内容<br /> * @param string $url<br /> * @return string<br /> */<br /> private function getUrlInfo($url) {<br /> $re = file_get_contents($url);<br /> return $re;<br /> }<br /> }</p> <p>/*<br /> 程序运行思路:根据“IC 交易网”的IC搜索功能,输入型号进行搜索,然后抓取供应商信息</p> <p>数据库结构<br /> CREATE TABLE `ic` (<br /> `id` mediumint(8) unsigned NOT NULL auto_increment,<br /> `company` varchar(500) NOT NULL,<br /> `address` varchar(500) default NULL,<br /> `phone` varchar(500) default NULL,<br /> `mobile` varchar(500) default NULL,<br /> `fax` varchar(300) default NULL,<br /> `zip` varchar(300) default NULL,<br /> `person` varchar(500) default NULL,<br /> `qq` varchar(300) default NULL,<br /> `msn` varchar(300) default NULL,<br /> `email` varchar(500) default NULL,<br /> `website` varchar(300) default NULL,<br /> `regDate` varchar(500) default NULL,<br /> PRIMARY KEY (`id`)<br /> ) ENGINE=InnoDB DEFAULT CHARSET=gb2312<br /> */</p> <p>$i = new ic();<br /> $arr = array_unique(array('MAX3232', 'AML8613', 'MT6225A', 'OM8373PS/N3/A', 'PT7313', 'MAX8212ESA', 'TL431', 'S3C2440', 'TMS320F2812PGFA', 'PCM1704', 'AN6717', 'CA3162E', 'CA3161E', 'LM393N', 'DS18B20', 'SHT10', 'AML8613', 'AN6717', 'LM393N', 'CA3161E', 'CA3162E', 'PCM1704', 'STK392-040', 'K1667', 'MAX232', 'STM32F103', 'LM358'));<br /> foreach ($arr as $v) {<br /> $i->go($v);<br /> }<br /> ?></p> <br /> 摘自 Lee.的专栏<br /> </p> <p align="left"><span id="url" itemprop="url">http://www.bkjia.com/PHPjc/478401.html</span><span id="indexUrl" itemprop="indexUrl">www.bkjia.com</span><span id="isOriginal" itemprop="isOriginal">true</span><span id="isBasedOnUrl" itemprop="isBasedOnUrl">http://www.bkjia.com/PHPjc/478401.html</span><span id="genre" itemprop="genre">TechArticle</span><span id="description" itemprop="description">?php /** * 抓取IC 交易网供应商主程序 * author Lee. * Last modify $Date: 2012-2-6 10:44:32$ * 注:本程序按照编码 GB2312 执行,因为IC 交易网网站是GB231...</span></p> </div> <div class=""> <ul class="m-news-opt fix"> <li class="opt-item"> <a href='/PHPjiqiao-165061.html' target='_blank'><p>< 上一篇</p><p class="ellipsis">php数据库图片信息及文件夹下的图片删除_PHP教程</p></a> </li> <li class="opt-item ta-r"> <a href='/PHPjiqiao-165063.html' target='_blank'><p>下一篇 ></p><p class="ellipsis">通过PHP的hash冲突漏洞进行DDoS攻击_PHP教程</p></a> </li> </ul> </div> </div> </div> <div class="g-title fix"> <h2 class="title-txt">人气教程排行</h2> </div> <div class="m-rank u-dashed mb40"> <ul> <li class="rank-item"> <a href="/PHPjiqiao-379253.html" title='php如何获取跳转前的url' class="item-name ellipsis" target="_blank"> <span class="g-art-count fr">174次</span> <span class="g-sort-num top">1</span> php如何获取跳转前的url </a> </li> <li class="rank-item"> <a href="/PHPjiqiao-379019.html" title='php格林威治时间转换成当前时间的方法' class="item-name ellipsis" target="_blank"> <span class="g-art-count fr">174次</span> <span class="g-sort-num second">2</span> php格林威治时间转换成当前时间的方法 </a> </li> <li class="rank-item"> <a href="/PHPjiqiao-366629.html" title='为什么php不能做大型系统?' class="item-name ellipsis" target="_blank"> <span class="g-art-count fr">174次</span> <span class="g-sort-num third">3</span> 为什么php不能做大型系统? 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