PHP编程：使用PHP Socket 编程模拟Http post和get请求

<?php /**
?* 使用PHP Socket 编程模拟Http post和get哀求
?* @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 = "";
??? 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'].'?'.$this->urlinfo['query'].' '.$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 ( $this->body != "" ) {
??????????? $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']) ? isset($this->urlinfo['port']) : '80';
??????? $this->fp = fsockopen($this->urlinfo['host'],$port,$errno,$errstr);
??????? if ( !$this->fp ) {
??????????? echo $errstr.'('.$errno.')';
??????????? return false;
??????? }
??????? if ( fwrite($this->fp,$this->requestInfo) ) {
??????????? $str = "";
??????????? while ( !feof($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哀求?
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哀求 */ echo $http->post(array(
??????? 'User-Agent' => 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML,
),array('username'=>'发一个中文','age'=>22));

<?php
?$flag = 0;
?$params = '';
?$errno = '';
?$errstr = '';
?//要post的数据
$argv = array(
??? 'var1'=>'abc',
??? 'var2'=>'how are you,my friend??');
//构造要post的字符串
foreach ($argv as $key=>$value) {
??? if ($flag!=0) {
??????? $params .= "&";
??????? $flag = 1;
??? }
??? $params.= $key."="; $params.= urlencode($value);
??? $flag = 1;
??? }
??? $length = strlen($params);
???? //创建socket连接
??? $fp = fsockopen("localhost",81,$errstr,10) or exit($errstr."--->".$errno);
??? //构造post哀求的头
??? $header? = "POST /flandy/getpost.php HTTP/1.1rn";
??? $header .= "Host:127.0.0.1rn";
??? $header .= "Referer:/flandy/post.phprn";
??? $header .= "Content-Type: application/x-www-form-urlencodedrn";
??? $header .= "Content-Length: ".$length."rn";
??? $header .= "Connection: Closernrn";
??? //添加post的字符串
??? $header .= $params."rn";
???

??? //发送post的数据
??? fputs($fp,$header);
??? $inheader = 1;
??? while (!feof($fp)) {
??????? $line = fgets($fp,1024); //去除哀求包的头只显示页面的返回数据
??????? if ($inheader && ($line == "n" || $line == "rn")) {
???????????? $inheader = 0;
??????? }
??????? if ($inheader == 0) {
????????? echo $line;
??????? }
??? }

fclose($fp);
?>
PHP进修

<?php
echo "this is the data posted";
echo "<pre>";
print_r($_REQUEST);
echo "</pre>";
?>

this is the data postedArray
(
[var1] => abc
[var2] => how are you,my friend??
)

<?php
$psecode = 'NDE005';
$website = 'www.baidu.com';
$amt = 1;
$pwd = 123456;
$ch = curl_init();
$curl_url = "http://localhost:81/flandy/getpost2.php?web=" . $website .
"&pwd=" . $pwd . "&action=check&pseid=" . $psecode .
"&amt=" . $amt;
curl_setopt($ch,CURLOPT_URL,$curl_url);
curl_setopt($ch,CURLOPT_POST,1);
curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);//不直接输出,返回到变量
$curl_result = curl_exec($ch);
$result = explode(',',$curl_result);
curl_close($ch);
print_r($result);
?>

<?php
echo "returndata<br>";
echo "<pre>";
print_r($_REQUEST);
echo "</pre>";
?>

Array ( [0] => returndataArray
(
[web] => 'wwwbaiducom'
[pwd] => 123456
[action] => check
[pseid] => 'NDE005'
[amt] => 1
)
)

＜必修php
require_once 'HttpClient.class.php';
$params = array('web' =＞ 'www.baidu.com',
'pwd' =＞ '123456',
'action' =＞ 'check',
'pseid' =＞ 'NDE005',
'amt' =＞ 1);
$pageContents = HttpClient::quickPost('http://localhost:81/flandy/getpost3.php',$params);
$result = explode(',$pageContents);
print_r($result);
必修＞