php实现httpclient类示例

复制代码 代码如下:
httpClient::init($httpClient, $args = null);
$httpClient->get($url, $data = null, $cookie = null);
var_dump($httpClient->buffer);

复制代码 代码如下:
<?php

class httpClient { public $buffer = null;  // buffer 获取返回的字符串
 public $referer = null;  // referer 设置 HTTP_REFERER 的网址
 public $response = null; // response 服务器响应的 header 信息
 public $request = null;  // request 发送到服务器的 header 信息
 private $args = null; public static function init(&$instanceof, $args = array()) {
  return $instanceof = new self($args);
 } private function __construct($args = array()) {  if(!is_array($args)) $args = array();
  $this->args = $args;
  if(!empty($this->args["debugging"])) {
   ob_end_clean();
   set_time_limit(0);
   header("Content-Type: text/plain; charset=utf-8");
  } } public function get($url, $data = null, $cookie = null) {

  $parse = parse_url($url);
  $url .= isset($parse["query"]) ? "&". $data : ( $data ? "?". $data : "" );
  $host = $parse["host"];  $header  = "Host: ". $host. "";
  $header .= "Connection: close". "";
  $header .= "Accept: */*". "";
  $header .= "User-Agent: ". ( isset($this->args["userAgent"]) ? $this->args["userAgent"] : $_SERVER["HTTP_USER_AGENT"] ). "";
  $header .= "DNT: 1". "";
  if($cookie) $header .= "Cookie: ". $cookie. "";
  if($this->referer) $header .= "Referer: ". $this->referer. "";  $options = array();
  $options["http"]["method"] = "GET";
  $options["http"]["header"] = $header;  $response = get_headers($url);
  $this->request = $header;
  $this->response = implode("", $response);
  $context = stream_context_create($options);
  return $this->buffer = file_get_contents($url, false, $context); } public function post($url, $data = null, $cookie = null) {  $parse = parse_url($url);
  $host = $parse["host"];  $header  = "Host: ". $host. "";
  $header .= "Connection: close". "";
  $header .= "Accept: */*". "";
  $header .= "User-Agent: ". ( isset($this->args["userAgent"]) ? $this->args["userAgent"] : $_SERVER["HTTP_USER_AGENT"] ). "";
  $header .= "Content-Type: application/x-www-form-urlencoded". "";
  $header .= "DNT: 1". "";
  if($cookie) $header .= "Cookie: ". $cookie. "";
  if($this->referer) $header .= "Referer: ". $this->referer. "";
  if($data) $header .= "Content-Length: ". strlen($data). "";  $options = array();
  $options["http"]["method"] = "POST";
  $options["http"]["header"] = $header;
  if($data) $options["http"]["content"] = $data;  $response = get_headers($url);
  $this->request = $header;
  $this->response = implode("", $response);
  $context = stream_context_create($options);
  return $this->buffer = file_get_contents($url, false, $context); }}

httpClient::init($httpClient, array( "debugging" => true , "userAgent" => "MSIE 15.0" ));
$httpClient->get("http://www.baidu.com", "name=haowei");
echo $httpClient->request; // 获取 请求头部信息
echo $httpClient->response; // 获取 响应的头部信息
echo $httpClient->buffer; // 获取 网页内容

$httpClient->get("//www.rzxsoft.cn/ServiceLogin/", "hash=". $time, "uid=1;users=admin;")

echo $httpClient->buffer;