php curl使用 常用操作

$ch = curl_init ();curl_setopt ( $ch, CURLOPT_URL, "http://site" );$output = curl_exec($ch);curl_close ( $ch ); 

public static function curlGet($url,$cookiefile,$header=null){ ???????try{ ???????????$ch = curl_init (); ???????????curl_setopt ( $ch, CURLOPT_URL, $url ); ???????????curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 ); ???????????//不知道如何看发出去的数据是什么样子的 使用这句话 可通过抓包工具查看到 ???????????// 需要抓包工具配合使用 ???????????curl_setopt($ch,CURLOPT_PROXY,‘192.168.2.221:8889‘); ???????????if($header){// ????????????????curl_setopt ( $ch, CURLOPT_HEADER, 1 ); ???????????????curl_setopt($ch, CURLOPT_HTTPHEADER, $header);// ????????????????curl_setopt ( $ch, CURLOPT_COOKIE,$header[‘Cookie‘] );// ????????????????curl_setopt ( $ch, CURLOPT_COOKIESESSION,$header[‘Cookie‘] ); ???????????} ???????????else{ ???????????????curl_setopt ( $ch, CURLOPT_HEADER, 0 ); ???????????} ???????????????if($cookiefile){ ???????????????curl_setopt ( $ch, CURLOPT_COOKIEFILE, $cookiefile ); // 读取cookie ???????????????curl_setopt ( $ch, CURLOPT_COOKIEJAR, $cookiefile ); // 设置Cookie信息保存在指定的文件中 ???????????} ???????????????????????????$output = curl_exec($ch);
// ?????????获取curl 信息 ???????????$information = curl_getinfo($ch); ???????????curl_close ( $ch ); ???????}catch(\Exception $e){ ???????????print_r($e->getMessage()); ???????} ???????return $output; ???}

public static function curlPost($url,$data,$cookiefile=null,$header=null){ ???????try{ ???????????$ch = curl_init (); ???????????curl_setopt ( $ch, CURLOPT_URL, $url ); ???????????????????curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 ); ???????????curl_setopt ( $ch, CURLOPT_POST, 1 ); ???????????curl_setopt($ch,CURLOPT_PROXY,‘192.168.2.221:8889‘); ???????????if($header){ ???????????????curl_setopt($ch, CURLOPT_HTTPHEADER, $header); ???????????} ???????????else{ ???????????????curl_setopt ( $ch, CURLOPT_HEADER, 0 ); ???????????} ???????????if($cookiefile){
　　　　　　　　　　curl_setopt ( $ch, CURLOPT_COOKIEFILE, $cookiefile ); // 读取cookie ???????????????curl_setopt ( $ch, CURLOPT_COOKIEJAR, $cookiefile ); // 设置Cookie信息保存在指定的文件中 ???????????} ??　　　　　　//!!!注意data的格式 ???????????curl_setopt ( $ch, CURLOPT_POSTFIELDS, $data); ???????????//设置响应超时时间 ???????????curl_setopt($ch, CURLOPT_TIMEOUT, 120); ???????????????????????$output = curl_exec($ch); ???????????if($output === false){ ???????????????if(curl_errno($ch) == CURLE_OPERATION_TIMEDOUT){ ???????????????????//处理逻辑 ???????????????} ???????????} ???????????$information = curl_getinfo($ch); ???????????curl_close ( $ch ); ???????}catch(\Exception $e){ ???????????print_r($e->getMessage()); ???????} ???????return $output; ???}