php发送post请求的三种方法

winterSky 2018-07-17 PM 1197℃ 0条

第一种

     /** 
     * 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('//www.jb51.net', $post_data);
PHP

方法二:Socket版本

<?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

方法三:Curl版本

    <?php
    /**  
    * Curl版本  
    * 使用方法:  
    * $post_string = "app=request&version=beta";  
    * request_by_curl('//www.jb51.net/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, "jb51.net's CURL Example beta");
        $data = curl_exec($ch);
        curl_close($ch);
        return $data;
    } ?> 
PHP
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