<request-line>
<headers>
<blank line>
[<request-body>]

<status-line>
<headers>
<blank line>
[<response-body>]

<"\r\n";
  protected $errno = -1;
  protected $errstr = '';
  protected $response = '';
  protected $url = null;
  protected $version = 'HTTP/1.1';
  protected $fh = null;
  protected $line = array();
  protected $header = array();
  protected $body = array();
  public function __construct($url) {
    $this->conn($url);
    $this->setHeader('Host: ' . $this->url['host']);
  }
  // 此方法负责写请求行
  protected function setLine($method) {
    $this->line[0] = $method . ' ' . $this->url['path'] . '"htmlcode">

<"http://home.jb51.net/u/DeanChopper/";
$http=new Http($url);
$response=$http->get();
print_r($response);




　　返回值为信息，可以对响应信息进行进一步处理，得到自己想得到的内容。


我们来看下一个具体的实例


<"\r\n"; //这里必须要写成双引号
  private $protocol = 'HTTP/1.1';
  private $requestLine = "";
  private $requestHeader = "";
  private $requestBody = "";
  private $requestInfo = "";
  private $fp = null;
  private $urlinfo = null;
  private $header = array();
  private $body = "";
  private $responseInfo = "";
  private static $http = null; //Http对象单例
   
  private function __construct() {}
   
  public static function create() {
    if ( self::$http === null ) { 
      self::$http = new Http();
    }
    return self::$http;
  }
   
  public function init($url) {
    $this->parseurl($url);
    $this->header['Host'] = $this->urlinfo['host'];
    return $this;
  }
   
  public function get($header = array()) {
    $this->header = array_merge($this->header, $header);
    return $this->request('GET');
  }
   
  public function post($header = array(), $body = array()) {
    $this->header = array_merge($this->header, $header);
    if ( !empty($body) ) {
      $this->body = http_build_query($body);
      $this->header['Content-Type'] = 'application/x-www-form-urlencoded';
      $this->header['Content-Length'] = strlen($this->body);
    }
    return $this->request('POST');
  }
   
  private function request($method) {
    $header = "";
    $this->requestLine = $method.' '.$this->urlinfo['path'].'"" "" ) {
      $this->requestInfo .= $this->body;
    }
    /*
     * 注意：这里的fsockopen中的url参数形式为"www.xxx.com"
     * 不能够带"http://"这种
     */
    $port = isset($this->urlinfo['port']) "";
      while ( !feof($this->fp) ) {
        $str .= fread($this->fp, 1024);
      }
      $this->responseInfo = $str;
    }
    fclose($this->fp);
    return $this->responseInfo;
  }
   
  private function parseurl($url) {
    $this->urlinfo = parse_url($url);
  }
}
// $url = "http://news.163.com/14/1102/01/AA0PFA7Q00014AED.html";
$url = "http://localhost/httppro/post.php";
$http = Http::create()->init($url);
/* 发送get请求 
echo $http->get(array(
  'User-Agent' => 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36',
));
*/
 
/* 发送post请求 */
echo $http->post(array(
    'User-Agent' => 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36',
), array('username'=>'发一个中文', 'age'=>22));