这个是采集基础，最好熟悉一下

$ch = curl_init(); # 设定url和把结果返回，是否返回头部 curl_setopt($ch, CURLOPT_URL, 'http://www.baidu.com/'); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($this->ch, CURLOPT_HEADER, 1); # cookie文件设定 curl_setopt($this->ch, CURLOPT_COOKIEJAR, $cookie_file); curl_setopt($this->ch, CURLOPT_COOKIEFILE, $cookie_file); # 额外头部 curl_setopt($this->ch, CURLOPT_HTTPHEADER, array('User-Agent: Mozilla/5.0')); # 设定post curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, $poststring); # 连接、执行过期时间 curl_setopt($this->ch, CURLOPT_CONNECTTIMEOUT, 5); curl_setopt($this->ch, CURLOPT_TIMEOUT, 30); # 是否跟随301 302 curl_setopt($this->ch, CURLOPT_FOLLOWLOCATION, 1); curl_setopt($this->ch, CURLOPT_MAXREDIRS, 10); # refer curl_setopt($this->ch, CURLOPT_REFERER, $refer); # http版本和端口重用设置 curl_setopt($this->ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_setopt($this->ch, CURLOPT_FORBID_REUSE, 1); # 支持https curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, 0); curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, 0); # 如果需要进行毫秒超时，需要增加： curl_setopt($this->ch, CURLOPT_NOSIGNAL, 1); # 执行 $response = curl_exec($ch); if(curl_errno($ch)){ curl_error($ch); exit(); } curl_close($ch);