//随机IPfunction Rand_IP(){    $ip2id= round(rand(600000, 2550000) / 10000); //第一种方法，直接生成    $ip3id= round(rand(600000, 2550000) / 10000);    $ip4id= round(rand(600000, 2550000) / 10000);    //下面是第二种方法，在以下数据中随机抽取    $arr_1 = array("218","218","66","66","218","218","60","60","202","204","66","66","66","59","61","60","222","221","66","59","60","60","66","218","218","62","63","64","66","66","122","211");    $randarr= mt_rand(0,count($arr_1)-1);    $ip1id = $arr_1[$randarr];    return $ip1id.".".$ip2id.".".$ip3id.".".$ip4id;}//抓取页面内容function Curl($url){        $ch2 = curl_init();        $user_agent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.66 Safari/537.36";//模拟windows用户正常访问        curl_setopt($ch2, CURLOPT_URL, $url);        curl_setopt($ch2, CURLOPT_TIMEOUT, 10);        curl_setopt($ch2, CURLOPT_HTTPHEADER, array('X-FORWARDED-FOR:'.Rand_IP(), 'CLIENT-IP:'.Rand_IP()));//追踪返回302状态码，继续抓取        curl_setopt($ch2, CURLOPT_HEADER, true);         curl_setopt($ch2, CURLOPT_RETURNTRANSFER, true);         curl_setopt($ch2, CURLOPT_FOLLOWLOCATION, true);        curl_setopt($ch2, CURLOPT_NOBODY, false);        curl_setopt($ch2, CURLOPT_REFERER, 'http://www.baidu.com/');//模拟来路        curl_setopt($ch2, CURLOPT_USERAGENT, $user_agent);        $temp = curl_exec($ch2);        curl_close($ch2);        return $temp;}