概述
/**
* 使用PHP Socket 编程模拟Http post和get请求
* @author koma
*/
class Http{
private $sp = "rn"; //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 $body = array();
public function __construct($url) {
$this->parseurl($url);
$port = isset($this->urlinfo['port']) ? isset($this->urlinfo['port']) : '80';
/*
* 注意:这里的fsockopen中的url参数形式为""
* 不能够带"http://"这种
*/
$this->fp = fsockopen($this->urlinfo['host'], $port, $errno, $errstr, 30);
if ( !$this->fp ) {
echo $errstr.'('.$errno.')';
exit();
}
$this->header['Host'] = $this->urlinfo['host'];
}
public function get($header = array(), $body = array()) {
$this->header = array_merge($this->header, $header);
$this->body = $body;
$this->request('GET');
}
public function post($header = array(), $body = array()) {
$this->header = array_merge($this->header, $header);
$this->body = $body;
$this->request('POST');
}
private function request($method) {
$header = "";
$this->requestLine = $method.' '.$this->urlinfo['path'].' '.$this->protocol;
foreach ( $this->header as $key => $value ) {
$header .= $header == "" ? $key.':'.$value : $this->sp.$key.':'.$value;
}
$this->requestHeader = $header.$this->sp.$this->sp;
$this->requestInfo = $this->requestLine.$this->sp.$this->requestHeader;
if ( !empty($this->body) ) {
$body = "";
foreach ( $this->body as $key => $value ) {
$body .= $body == "" ? $key.'='.$value : '&'.$key.'='.$value;
}
$this->requestInfo .= $body;
}
if ( fwrite($this->fp, $this->requestInfo) ) {
while ( !feof($this->fp) ) {
$str = fread($this->fp, 1024);
echo $str;
}
}
fclose($this->fp);
}
private function parseurl($url) {
$this->urlinfo = parse_url($url);
}
}
$url = "外链网址已屏蔽";
$http = new Http($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',
//对于post请求必须增加这两项
'Content-Length' => 20,
'Content-Type' => 'application/x-www-form-urlencoded'
), array('username'=>'koma', 'age'=>22));
*/
看一看,你怎么看?欢迎指正!
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