Php发送post请求方法

/**

* 发送post请求

* @param string $url 请求地址

* @param array $post_data post键值对数据

* @return string

*/

function send_post($url, $post_data) {

$postdata = http_build_query($post_data);

$options = array(

'http' => array(

'method' => 'POST',

'header' => 'Content-type:application/x-www-form-urlencoded',

'content' => $postdata,

'timeout' => 15 * 60 // 超时时间（单位:s）

)

);

$context = stream_context_create($options);

$result = file_get_contents($url, false, $context);

return $result;

}

//使用方法

$post_data = array(

'username' => 'stclair2201',

'password' => 'handan'

);

send_post('http://www.qianyunlai.com', $post_data);

<?php

/**

* Socket版本

* 使用方法：

* $post_string = "app=socket&version=beta";

* request_by_socket('chajia8.com', '/restServer.php', $post_string);

*/

function request_by_socket($remote_server,$remote_path,$post_string,$port = 80,$timeout = 30) {

$socket = fsockopen($remote_server, $port, $errno, $errstr, $timeout);

if (!$socket) die("$errstr($errno)");

fwrite($socket, "POST $remote_path HTTP/1.0");

fwrite($socket, "User-Agent: Socket Example");

fwrite($socket, "HOST: $remote_server");

fwrite($socket, "Content-type: application/x-www-form-urlencoded");

fwrite($socket, "Content-length: " . （strlen($post_string) + 8） . "");

fwrite($socket, "Accept:*/*");

fwrite($socket, "");

fwrite($socket, "mypost=$post_string");

fwrite($socket, "");

$header = "";

while ($str = trim(fgets($socket, 4096))) {

$header .= $str;

}

$data = "";

while (!feof($socket)) {

$data .= fgets($socket, 4096);

}

return $data;

}

?>

<?php

/**

* Curl版本

* 使用方法：

* $post_string = "app=request&version=beta";

* request_by_curl('http://www.qianyunlai.com/restServer.php', $post_string);

*/

function request_by_curl($remote_server, $post_string) {

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, $remote_server);

curl_setopt($ch, CURLOPT_POSTFIELDS, 'mypost=' . $post_string);

curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

curl_setopt($ch, CURLOPT_USERAGENT, "qianyunlai.com's CURL Example beta");

$data = curl_exec($ch);

curl_close($ch);

return $data;

}

?>