采集专用php基于CURL的HTTP类库php HTTP类库
是一个基于php curl库封装的http类库，简单易用，可完美解决您的web请求需求，HTTP类库可以收藏，HTTP类库很好用。
<?php /** * 封装基于curl的HTTP类库 * * @file class_httplib.php * @author qaulau@hotmail.coma * @date 2013-8-1 */ class httplib{ private $response; private $response_header; private $response_data; private $response_info; private $response_httpcode; private $timeout = 30; private $cookie = ''; private $useragent = 'PHP-HttpLib-v1.0'; private $request_header = array(); private $starttime; private $request_proxy = array(); private $request_method; public function __construct(){ $this->starttime = self::_microtime(); //能有效提高POST大于1M数据时的请求速度 $this->set_header('Expect'); } /** * 设置cookie(可选) * @param <array|string> $cookie */ public function set_cookie($cookie = ''){ if (is_array($cookie)){ $cookies = array(); foreach ($cookie as $k => $v){ $cookies[] = $k.'='.$v; } $this->cookie .= implode('; ', $cookies); }else{ $this->cookie .= $cookie; } } /** * 设置用户浏览器信息(可选) * @param string $useragent : 浏览器代理信息 */ public function set_useragent($useragent = ''){ $this->useragent = $useragent; } /** * 设置头部伪造IP(可选)，对某些依靠头部信息判断ip的网站有效 * @param string $ip ： 需要伪造的ip */ public function set_forgeip($ip){ $this->set_header('CLIENT-IP',$ip); $this->set_header('X-FORWARDED-FOR',$ip); } /** * 添加请求头部信息 * @param string $k * @param string $v */ public function set_header($k,$v = ''){ if (!empty($k)){ $this->request_header[] = $k.':'.$v; } } /** * 设置超时时间(可选) * @param int $sec */ public function set_timeout($sec){ if($sec > ini_get('max_execution_time')) @set_time_limit($sec); $this->timeout = $sec; } /** * 设置代理(可选)，如对方限制了ip访问或需要隐藏真实ip * @param string $host ：代理服务器（ip或者域名） * @param int $port ：代理服务端口 * @param string $user ：用户名（如果有） * @param string $pass ：用户密码（如果有） */ public function set_proxy($host,$port = '',$user = '',$pass = ''){ $this->request_proxy = array('host'=>$host,'port'=>$port,'user'=>$user,'pass'=>$pass); } /** * 请求url * @param string $url : 请求的地址 * @param <array|string> $postdata :该项如果填写则为POST方式，否则为GET方式;如需上传文件,需在文件路径前加上@符号 * @param string $referer : 来路地址，用于伪造来路 */ public function request($url,$postdata = '',$referer=''){ $ch = $this->_http_request($url,$postdata,$referer); if ($postdata == ''){ $this->request_method = 'GET'; }else{ $this->request_method = 'POST'; } $this->response = curl_exec($ch); if ($this->response === false) { //throw new Exception('cURL resource: ' . (string) $ch . '; cURL error: ' . curl_error($ch) . ' (' . curl_errno($ch) . ')'); $this->response_httpcode = 204; //没有内容，请求失败 $this->response_data = 'URL：'.$url.' cURL resource: ' . (string) $ch . '; cURL error: ' . curl_error($ch) . ' (' . curl_errno($ch) . ')'; return false; } $this->_process_response($ch); curl_close($ch); } /** * 获取响应的所有信息 */ public function get_response(){ return $this->response; } /** * 获取响应的header信息 * @param string $key : (可选)header头部信息标示如获取Set-Cookie * @return string */ public function get_header($key = ''){ if ($key == ''){ return $this->response_header; } if (!isset($this->response_header[$key])){ return NULL; } return $this->response_header[$key]; } /** * 获取响应的cookie * @param boolean $assoc : 选择true将返回数组否则返回字符串 */ public function get_cookie($assoc = false){ $cookies = $this->get_header('Set-Cookie'); if ($cookies){ foreach ($cookies as $v){ $cookieinfo = explode(';', $v); if(strpos($this->cookie,$cookieinfo[0]) === FALSE){ $this->cookie .= $cookieinfo[0]; $this->cookie .= '; '; } } } if ($assoc && $this->cookie){ $cookie = substr($this->cookie, 0,-3); $cookie = explode('; ', $cookie); $cookies = array(); foreach ($cookie as $v){ $cookieinfo = explode('=', $v); $cookies[$cookieinfo[0]] = $cookieinfo[1]; } return $cookies; } return $this->cookie; } /** * 获取响应的页面数据即页面代码 */ public function get_data(){ return $this->response_data; } /** * 获取响应的网页编码 */ public function get_charset(){ $content_type = $this->get_header('Content-Type'); if ($content_type) { preg_match('/charset=(.+)/i', $content_type, $matches); if (isset($matches[1])){ return strtoupper(trim($matches[1])); } } return NULL; } /** * 获取连接资源的信息（返回数组） */ public function get_info(){ return $this->response_info; } /** * 获取响应的网页状态码 (注：200为正常响应) */ public function get_statcode(){ return $this->response_httpcode; } /** * 获取请求方法 */ public function get_method(){ return $this->request_method; } /** * 获取请求时间 */ public function get_requesttime(){ return self::_microtime() - $this->starttime; } /** * 处理响应的数据 * @param resource $ch */ private function _process_response($ch = null){ if (is_resource($ch)) { $content_size = curl_getinfo($ch,CURLINFO_CONTENT_LENGTH_DOWNLOAD); if($content_size > 0){ $this->response_header = substr($this->response, 0, -$content_size); $this->response_data = substr($this->response, -$content_size); }else{ $header_size = curl_getinfo($ch,CURLINFO_HEADER_SIZE); $this->response_header = substr($this->response, 0, $header_size); $this->response_data = substr($this->response, $header_size); } $this->response_httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE); $this->response_info = curl_getinfo($ch); //分解响应头部信息 $this->response_header = explode("\r\n\r\n", trim($this->response_header)); $this->response_header = array_pop($this->response_header); $this->response_header = explode("\r\n", $this->response_header); array_shift($this->response_header); //开头为状态 //分割数组 $header_assoc = array(); foreach ($this->response_header as $header) { $kv = explode(': ', $header); if($kv[0] == 'Set-Cookie'){ $header_assoc['Set-Cookie'][] = $kv[1]; }else{ $header_assoc[$kv[0]] = $kv[1]; } } $this->response_header = $header_assoc; } return false; } /** * 请求数据 * @param string $url * @param string|array $post_data * @param string $referer */ private function _http_request($url,$post_data,$referer=''){ $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_HEADER, 1); curl_setopt($ch, CURLOPT_USERAGENT, $this->useragent); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); curl_setopt($ch, CURLOPT_TIMEOUT, $this->timeout); //强制使用IPV4协议解析域名，否则在支持IPV6的环境下请求会异常慢 @curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4); if ($post_data){ curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data); } if ($this->cookie){ curl_setopt($ch, CURLOPT_COOKIE, $this->cookie); } if ($referer){ curl_setopt($ch, CURLOPT_REFERER, $referer); } if ($this->request_header){ curl_setopt($ch, CURLOPT_HTTPHEADER, $this->request_header); } if ($this->request_proxy) { curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, true); $host = $this->request_proxy['host']; $host .= ($this->request_proxy['port']) ? ':' . $this->request_proxy['port'] : ''; curl_setopt($ch, CURLOPT_PROXY, $host); if (isset($this->request_proxy['user']) && isset($this->request_proxy['pass'])) { curl_setopt($ch, CURLOPT_PROXYUSERPWD, $this->request_proxy['user'] . ':' . $this->request_proxy['pass']); } } return $ch; } private static function _microtime(){ return array_sum(explode(' ', microtime())); } } 简单的示例：其它的请自行测试
<?php include 'httplib.class.php'; //初始化 $http = new httplib(); //设置超时时间为60秒 $http->set_timeout(60); //设置浏览器信息 $http->set_useragent($_SERVER['HTTP_USER_AGENT']); //设置请求的方式为XMLHttpRequest，模拟ajax请求信息，可用于某些api的限制，此处仅为演示说明 $http->set_header('X-Requested-With','XMLHttpRequest'); //设置代理服务器信息 $http->set_proxy('59.108.116.175','3128'); //请求资源 $http->request('http://www.baidu.com/s?wd=ip'); //获取网页数据 $data = $http->get_data(); //获取cookie（默认返回字符串，参数为true时返回数组） $cookie = $http->get_cookie(); //获取网页响应状态码 $statcode = $http->get_statcode(); //获取原始未处理的响应信息 $response = $http->get_response(); //获取连接资源的信息（返回数组），如平均上传速度 、平均下载速度 、请求的URL等 $response_info = $http->get_info(); GET请求
include 'httplib.class.php'; $http = new httplib(); $http->request('http://www.baidu.com/s?wd=ip'); echo $http->get_data(); POST请求
include 'httplib.class.php'; $http = new httplib(); $http->set_useragent($_SERVER['HTTP_USER_AGENT']); $postdata = array( 'from' => 'auto', 'to' => 'zh', 'query' => 'Hello.' ); $http->request('http://fanyi.baidu.com/v2transapi',$postdata,'http://fanyi.baidu.com'); $json = $http->get_data(); $arr = json_decode($json,true); echo '<pre>'; print_r($arr); echo '</pre>'; 上传文件
include 'httplib.class.php'; $http = new httplib(); $http->set_useragent($_SERVER['HTTP_USER_AGENT']); $postdata = array( 'file'=>'@c://1.mp3' ); $refere = 'http://pan.baidu.com'; $duss = 'ce5d70d0f96459b07d6c6c9d9b39db96'; $path = '/qaulau/1.mp3'; $http->request('https://pcs.baidu.com/rest/2.0/pcs/file?method=upload&path='.$path.'&duss='.$duss,$postdata,$refere); $json = $http->get_data(); $arr = json_decode($json,true); echo '<pre>'; print_r($arr); echo '</pre>';原文链接：https://www.qiquanji.com/post/9253.html
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