使用PHP Socket 编程模拟Http post和get请求

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"" * 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 = ""; $url = ""; $http = Http::create()->init($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, ),array('username'=>'发一个中文','age'=>22));

php 模拟 http请求

方法一：利用php的socket编程来直接给接口发送数据来模拟post的操作。

建立两个文件post.php,getpost.php post.php内容如下：

代码如下:'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请求的头 $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); //去除请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); ?>

getpost.php的内容如下

代码如下:"; print_r($_REQUEST); echo ""; ?>

结果输出：

代码如下: abc [var2] => how are you,my friend?? )

以上代码在本机81端口下已经通过测试。

方法二：

使用PHP的curl扩展或HttpClient.class.php类，这两个非常类似，下面简单的列出curl的实现代码。 两个文件post2.php和getpost2.php post2.php的内容如下：

代码如下: