怎么采集防采集的网站

<br /><br />$header = array ( <br />"GET /view.jsp?Searchword=78HC HTTP/1.1",<br />"Host: www.alldatasheet.com",<br />"Connection: keep-alive",<br />"Cache-Control: max-age=0",<br />"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",<br />"User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.22 (KHTML, like Gecko) Chrome/25.0.1364.152 Safari/537.22",<br />"Accept-Encoding: gzip,deflate,sdch",<br />"Accept-Language: en-US,zh-CN;q=0.8,zh;q=0.6",<br />"Accept-Charset: UTF-8,*;q=0.5",<br />"Cookie: JSESSIONID=BD1418BC3F4CA9084F0C022A98687A09; track_id=117.25.173.111363310326444; seekstr=*78H*..; <br /><br />seekshot=78H..1..75..8..112; __utma=191189370.2036196682.1363308553.1363308553.1363308553.1; <br /><br />__utmb=191189370.3.10.1363308553; __utmc=191189370; __utmz=191189370.1363308553.1.1.utmcsr=(direct)<br><font color='#FF8000'>------解决方案--------------------</font><br>utmccn=(direct)<br><font color='#FF8000'>------解决方案--------------------</font><br><br /><br />utmcmd=(none); arp_scroll_position=900"<br />); <br /><br />// 初始化一个 cURL 对象<br />$curl = curl_init(); <br /> <br />// 设置你需要抓取的URL<br />curl_setopt($curl, CURLOPT_URL, 'http://www.alldatasheet.com/view.jsp?Searchword=78HC');<br /><br />curl_setopt($curl, CURLOPT_HTTPHEADER, $header); //设置header <br /> <br />// 设置header显示方式<br />curl_setopt($curl, CURLOPT_HEADER, 0);<br /> <br />// 设置cURL 参数，要求结果保存到字符串中还是输出到屏幕上。<br />curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);<br /> <br />// 运行cURL，请求网页<br />$data = curl_exec($curl);<br /> <br />// 关闭URL请求<br />curl_close($curl);<br /> <br />// 显示获得的数据<br />var_dump($data);<br /><br />