<?php

/**

* 快递查询类 v1.0

*

* @copyright justmd5

* @license http://www.justmd5.com

* @lastmodify 2014-08-30

* demo：include 'Express.php';echo '<pre>';var_dump(json_decode(Express::getExpressInfo('868124032474'),true));

*/

class Express

{

/**

*快递查询接口常量

*/

const KUAIDI100 = 'http://www.kuaidi100.com';

/**返回快递信息

* @param $order_num 快递单号

* @return bool|mixed|string 快递信息

*/

public static function getExpressInfo($order_num)

{

$query_api = self::KUAIDI100 . '/query?';

$keywords = self::getExpressName($order_num);

//未查看到快递信息返回false

if (empty($keywords)) return false;

//返回查询的信息

return self::getContent($query_api . "type=" . $keywords . "&postid=" . $order_num);

}

/**获取url信息

* @param $url 需要访问URL地址

* @return mixed|string 返回的结果信息

*/

private static function getContent($url)

{

if (function_exists('file_get_contents')) {

$file_contents = file_get_contents($url);

} else {

$ch = curl_init();

$timeout = 5;

curl_setopt($ch, CURLOPT_URL, $url);

curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);

$file_contents = curl_exec($ch);

curl_close($ch);

}

return $file_contents;

}

/**获得快递公司名字

* @param $order_num 订单号

* @return bool 返回订单快递公司名称

*/

private static function getExpressName($order_num)

{

$api_url = self::KUAIDI100 . "/autonumber/auto?";

$res_names = json_decode(self::getContent($api_url . "num=" . $order_num), true);

return empty($res_names) ? false : $res_names[0]['comCode'];

}

}

?>