<?php/** * 抓取“维库电子市场”供应商主程序 * author Lee. * Last modify $Date: 2012-2-3 9:30:21 $ * 注：本程序按照编码 GB2312 执行，因为“维库电子市场”网站是GB2312编码，数据库也得保持一致*/class weiku {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 = $this->shopAddContact($this->shopUrlMatchReArr($this->getContent()));$this->isAddSuccess($arr);} elseif ($this->pageNum>1) { # 多页for ($i=1; $i<=$this->pageNum; $i++) {$arr = $this->shopAddContact($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 = $this->getDb();if (!empty($infoArr['company'])) {if (!$this->isExists($mysqli, $infoArr)) {$num = $mysqli->query("INSERT INTO weiku(company,person,phone,fax,mobile,qq,msn,email,address,shopUrl) VALUES ('{$infoArr['company']}','{$infoArr['person']}','{$infoArr['phone']}','{$infoArr['fax']}','{$infoArr['mobile']}','{$infoArr['qq']}','{$infoArr['msn']}','{$infoArr['email']}','{$infoArr['address']}','{$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 weiku WHERE company = '{$infoArr['company']}'");if ($mysqli->affected_rows) {return true;} else {return false;}}/** * 抓取信息 * @param $url * @return ArrayObject */private function getInfoByShopUrl($url) {$re = $this->getUrlInfo($url);preg_match_all('/<b>公司名称：<\/b><span>(.*)<\/span>/Usi', $re, $companyArr);preg_match_all('/<b>联系人：<\/b><span>(.*)<\/span>/Usi', $re, $personArr);preg_match_all('/<b>电话：<\/b><span>(.*)<\/span>/Usi', $re, $phoneArr);preg_match_all('/<b>传真：<\/b><span>(.*)<\/span>/Usi', $re, $faxArr);preg_match_all('/<b>手机：<\/b><span>(.*)<\/span>/Usi', $re, $mobileArr);preg_match_all('/<b>QQ：<\/b><span>(.*)<\/span>/Usi', $re, $qqArr);preg_match_all('/<b>MSN：<\/b><span>(.*)<\/span>/Usi', $re, $msnArr);preg_match_all('/<b>E-Mail：<\/b><span>(.*)<\/span>/Usi', $re, $emailArr);preg_match_all('/<b>公司地址：<\/b><span>(.*)<\/span>/Usi', $re, $addressArr);$infoArr = array('company'=>$this->stripATags($companyArr[1][0]),'person'=>trim($personArr[1][0]),'phone'=>trim($phoneArr[1][0]),'fax'=>trim($faxArr[1][0]),'mobile'=>trim($mobileArr[1][0]),'qq'=>$this->formatQqMsn($qqArr[1][0]),'msn'=>$this->formatQqMsn($msnArr[1][0], 'MSN'),'email'=>$this->stripATags($emailArr[1][0]),'address'=>trim($addressArr[1][0]),'shopUrl'=>$url);return $infoArr;}/** * 根据页面获取供应商 url 数组 * @param string $re * @return ArrayObject */private function shopUrlMatchReArr($re) {$re = preg_replace('/<img.* [\/]>/', '', $re);$re = preg_replace('/<img.*>/', '', $re);$re = preg_replace('/<a href=\".+\" target=\"\_blank\">[A-Z]<\/a>/', '', $re);$re = preg_replace('/<a href=\".+\" target=\"\_blank\">[0-9]<\/a>/', '', $re);$re = preg_replace('/<a href=\".+\" target=\"\_blank\">.*<\/a>/', '', $re);$re = preg_replace('/<a href="javascript.+">.*<\/a>/', '', $re);$re = preg_replace('/<a href.+>营业执照<\/a>/', '', $re);$re = preg_replace('/<a href.+>该企业更多资质>><\/a>/', '', $re);$re = preg_replace('/<a href.+>点此反馈<\/a>/', '', $re);$re = preg_replace('/<a href.+>首页<\/a>/', '', $re);$re = preg_replace('/<a href.+>IC<\/a>/', '', $re);$re = preg_replace('/<a href.+>简洁<\/a>/', '', $re);$re = preg_replace('/<a href.+>信用<\/a>/', '', $re);$re = preg_replace('/<a href.+>.*更多报价信息>><\/a>/', '', $re);$re = preg_replace('/<a href=\".*\" target=\"\_blank\" rel=\"nofollow\">.*<\/a>/', '', $re);$re = preg_replace('/<div class="kingbanan mb8">.*/', '', $re);preg_match_all('/<a href=\"(.+)\".*>.+<\/a>/Usi', $re, $arr);$arr = $this->formatUrlArr(array_unique($arr[1]));return $arr;}/** * 格式化数组 * @param Array $arr * @return ArrayObject */private function formatUrlArr($arr) {$newArr = array();foreach ($arr as $key=>$value) {if ($this->isExistsHttp($value)) {$newArr[$key] = $value;}}return $newArr;}/** * 格式化 QQ * @param string $str * @return string */private function formatQqMsn($str, $e='QQ') {if (empty($str)) return '';preg_match_all('/alt="'.$e.'\:(.+)"/Usi', $str, $arr);if (count($arr[1])==1) return $arr[1][0];$newStr = null;foreach ($arr[1] as $value) {$newStr .= $value . ' ';}return rtrim($newStr, ' ');}/** * 供应商店铺链接添加 contact.html * @param array $arr * @return string */private function shopAddContact($arr) {foreach ($arr as $k=>$v) {$arr[$k] = $v . '/contact.html';}return $arr;}/** * 去掉网址的 A 标签 * @param string $site * @return string */private function stripATags($site) {$site = preg_replace('/<a.+>(.+)<\/a>/', '\1', $site);return $site;}/** * 检查 url 是否有 http * @param string $url * @return bool */private function isExistsHttp($url) {if (stristr($url, 'http://')) {return true;} else {return false;}}/** * 获取页面内容 * @param Number $page * @return string */private function getContent($page=1) {$re = file_get_contents($this->getUrl($this->key, $page));return $re;}/** * 获取页码 * @return Number */private function getPageNum() {$i = 1;while (true) {$re = $this->getContent($i);# 处理单页避免处理死循环if (!strstr($re, '下一页')) {break;} else {# 多页，计算出页码if (stristr($re, '<span>下一页</span></li>')) break;$i++;}}return $i;}/** * 获取 URL 链接 * @param string $str * @param int $page 页码 * @return string */private function getUrl($str, $page=1) {return "http://www.dzsc.com/ic/sell_search.html?keyword={$str}&ic_sel=supplygoods&Submit=%26%23160%3B&page={$page}";}/** * 获取页面内容 * @param string $url * @return string */private function getUrlInfo($url) {$re = file_get_contents($url);return $re;}}/*程序运行思路：根据“华强电子网”的IC搜索功能，输入型号进行搜索，然后抓取供应商信息数据库结构CREATE TABLE `weiku` (`id` mediumint(8) unsigned NOT NULL auto_increment COMMENT 'ID',`company` varchar(300) default NULL COMMENT '公司名称',`person` varchar(200) default NULL COMMENT '联系人',`phone` varchar(300) default NULL COMMENT '电话',`fax` varchar(300) default NULL COMMENT '传真',`mobile` varchar(300) default NULL COMMENT '手机',`qq` varchar(200) default NULL COMMENT 'QQ',`msn` varchar(200) default NULL COMMENT 'MSN',`email` varchar(300) default NULL COMMENT '邮箱',`address` varchar(500) default NULL COMMENT '公司地址',`shopUrl` varchar(200) default NULL COMMENT '维库网店铺地址',PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=gb2312*/$k = new weiku();$arr = array_unique(array('MAX3232', 'AML8613', 'MT6225A', 'OM8373PS/N3/A', 'PT7313', 'MAX8212ESA', 'TL431', 'S3C2440', 'TMS320F2812PGFA', 'PCM1704', 'AN6717', 'CA3162E', 'CA3161E', 'LM393N', 'DS18B20', 'SHT10', 'AML8613', 'AN6717', 'LM393N', 'CA3161E', 'CA3162E', 'PCM1704', 'STK392-040', 'K1667', 'MAX232', 'STM32F103', 'LM358'));foreach ($arr as $v) {$k->go($v);}?>
