http request encapsulation class written in php
Jul 25, 2016 am 08:58 AM
This article introduces an http request encapsulation class implemented in PHP, which encapsulates three post submission methods and a request request method, and provides calling examples for your reference.
When debugging PHP programming, it is often necessary to simulate submission. In addition, when crawling some pages, you need to frequently request other people's pages. So a wrapper class for http requests was implemented to facilitate calling. This http request class encapsulates three post submission methods and a request request method. 1, http request closed class <?php /** * HTTP常用請(qǐng)求封裝 * @version $Id: HttpHelper.php,v 1.0 2012-8-9 * @package library * @site bbs.it-home.org */ // --------------------------- /** * http請(qǐng)求處理 * * 開發(fā)中經(jīng)常需要模擬提交請(qǐng)求,本類封裝了常用的post方法 * * @author ustb80 * */ class HttpHelper { // 當(dāng)前的user-agent字符串 public $ua_string= "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:14.0) Gecko/20100101 Firefox/14.0.1"; // 支持的提交方式 public $post_type_list = array("curl", "socket", "stream"); // 本地cookie文件 private $cookie_file; // ----------------------- /** * 構(gòu)造函數(shù) * * @param array $params 初始化參數(shù) */ public function __construct($params = array()) { if(count($params) > 0) { $this->init($params); } } // ----------------------- /** * 參數(shù)初始化 * * @param array $params */ public function init($params) { if(count($params) > 0) { foreach($params as $key => $val) { if(isset($this->$key)) { $this->$key = $val; } } } } // ----------------------- /** * 提交請(qǐng)求 * * @param string $url 請(qǐng)求地址 * @param mixed $data 提交的數(shù)據(jù) * @param string $type 提交類型,curl,socket,stream可選 */ public function post($url, $data, $type = "socket") { if(!in_array($type, $this->post_type_list)) { die("undefined post type"); } $function_name = $type . "Post"; return call_user_func_array(array($this, $function_name), array($url, $data)); } // ----------------------- /** * 更改默認(rèn)的ua信息 * * 本方法常用于模擬各種瀏覽器 * * @param string $ua_string UA字符串 */ public function setUA($user_agent) { $this->ua_string = $user_agent; return $this; } // ----------------------- /** * 設(shè)置本地cookie文件 * * 在用curl來模擬時(shí)常需要設(shè)置此項(xiàng) * * @param string $cookie_file 文件路徑 */ public function setCookieFile($cookie_file) { $this->cookie_file = $cookie_file; return $this; } // ----------------------- /** * curl方式提交 * * @param string $url 請(qǐng)求地址 * @param mixed $data 提交的數(shù)據(jù) * @param string $user_agent 自定義的UA * @return mixed */ public function curlPost($url, $data, $user_agent = '') { if($user_agent == '') { $user_agent = $this->ua_string; } if (!is_array($data)) { $data = array($data); } $data = http_build_query($data); if (!function_exists("curl_init")) { die('undefined function curl_init'); } $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, $data); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_USERAGENT, $user_agent); $rs = curl_exec($ch); curl_close($ch); return $rs; } // ----------------------- /** * 套接字提交 * * @param string $url 請(qǐng)求地址 * @param mixed $data 提交的數(shù)據(jù) * @param string $user_agent 自定義的UA * @param int $port 端口 * @param int $timeout 超時(shí)限制 * @return mixed */ public function socketPost($url, $data, $user_agent = '', $port = 80, $timeout = 30) { $url_info = parse_url($url); $remote_server = $url_info['host']; $remote_path = $url_info['path']; $socket = fsockopen($remote_server, $port, $errno, $errstr, $timeout); if(!$socket) { die("$errstr($errno)"); } if($user_agent == '') { $user_agent = $this->ua_string; } if (!is_array($data)) { $data = array($data); } $data = http_build_query($data); fwrite($socket, "POST {$remote_path} HTTP/1.0\r\n"); fwrite($socket, "User-Agent: {$user_agent}\r\n"); fwrite($socket, "HOST: {$remote_server}\r\n"); fwrite($socket, "Content-type: application/x-www-form-urlencoded\r\n"); fwrite($socket, "Content-length: " . strlen($data) . "\r\n"); fwrite($socket, "Accept:*/*\r\n"); fwrite($socket, "\r\n"); fwrite($socket, "{$data}\r\n"); fwrite($socket, "\r\n"); $header = ""; while($str = trim(fgets($socket, 4096))) { $header .= $str; } $data = ""; while(!feof($socket)) { $data .= fgets($socket, 4096); } return $data; } // ----------------------- /** * 文件流提交 * * @param string $url 提交地址 * @param string $data 數(shù)據(jù) * @param string $user_agent 自定義的UA * @return mixed */ public function streamPost($url, $data, $user_agent = '') { if($user_agent == '') { $user_agent = $this->ua_string; } if (!is_array($data)) { $data = array($data); } $data = http_build_query($data); $context = array( 'http' => array( 'method' => 'POST', 'header' => 'Content-type: application/x-www-form-urlencoded' . "\r\n" . 'User-Agent : ' . $user_agent . "\r\n" . 'Content-length: ' . strlen($data), 'content' => $data ) ); $stream_context = stream_context_create($context); $data = file_get_contents($url, FALSE, $stream_context); return $data; } // ----------------------- /** * 發(fā)送請(qǐng)求 * * 本方法通過curl函數(shù)向目標(biāo)服務(wù)器發(fā)送請(qǐng)求 * * @param string $url 請(qǐng)求地址 * @return mixed */ public function request($url) { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_USERAGENT, !empty($this->ua_string)? $this->ua_string : $_SERVER['HTTP_USER_AGENT']); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); if (isset($this->cookie_file)) { curl_setopt($ch, CURLOPT_COOKIEJAR, $this->cookie_file); } $data = curl_exec($ch); curl_close($ch); return $data; } } ?> Call example: <?php require_once 'HttpHelper.php'; $HttpHelper = new HttpHelper(); $url = "http://localhost/post.php"; $data = array("name"=>"socket"); $rs[] = $HttpHelper->post($url, $data); $data = array("name"=>"curl"); $rs[] = $HttpHelper->post($url, $data, "curl"); $data = array("name"=>"stream"); $rs[] = $HttpHelper->post($url, $data, "stream"); $rs[] = $HttpHelper->request($url); print_r($rs); ?> 3, post.php file: <?php echo 'test request:'; print_r($_REQUEST); ?> 4, output result: Array ( [0] => test request:Array ( [name] => socket ) [1] => test request:Array ( [name] => curl ) [2] => test request:Array ( [name] => stream ) [3] => test request:Array ( ) ) |

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