一、发货通知

为了更好地跟踪订单的情况，需要第三方在收到最终支付通知之后，调用发货通知API告知微信后台该订单的发货状态。

发货时间限制：虚拟、服务类24小时内，实物类72小时内。

请在收到支付通知后，按时发货，并使用发货通知接口将相关信息同步到微信后台。若平台在规定时间内没有收到，将视作发货超时处理。

发货通知API的URL为：

https://api.weixin.qq.com/pay/delivernotify?access_token=xxxxxx

URL中的参数只包含目前微信公众平台凭证access_token，而发货通知的真正的数据是放在PostData中的，格式如下：

{
    "appid" : "wwwwb4f85f3a797777",
    "openid" : "oX99MDgNcgwnz3zFN3DNmo8uwa-w",
    "transid" : "111112222233333",
    "out_trade_no" : "555666uuu",
    "deliver_timestamp" : "1369745073",
    "deliver_status" : "1",
    "deliver_msg" : "ok",
    "app_signature" : "53cca9d47b883bd4a5c85a9300df3da0cb48565c",
    "sign_method" : "sha1"
}

上述内容参数说明如表6-12所示。

表6-12 发货通知参数说明

微信公众平台在校验ok之后，会返回数据表明是否通知成功，例如：{"errcode":0,"errmsg":"ok"}如果有异常，会在errcode和errmsg描述出来，如果成功errcode就为0。

二、程序实现

程序中的一些参数来自本博客前面的微信支付开发数据。读者请参照运行

 <?php 
 include_once("WxPayHelper.php"); //1. 获取access token
 $appid = "wx0000000000000000"; $appsecret = "e76050733ce76050733ce76050733cdd"; $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$appid&secret=$appsecret"; $result = https_request($url); $jsoninfo = json_decode($result, true); $access_token = $jsoninfo["access_token"]; //2.准备参数
 $deliver_timestamp = time(); //2.1构造最麻烦的app_signature
 $obj['appid']               = $appid; $obj['appkey']              = "8mruTNOGeX8OVUlIYxIyw6kxCRvdJENpWpw8mruTNOGeX8OVUlIYxIyw6kxCRvdJENpWpw8mruTNOGeX8OVUlIYxIyw6kxCRvdJENpWpw8mruTNOGeX8OVUlIYxIyw6k"; $obj['openid']              = "o0pk9uIVnlY-fJkzFKEbQ6LJ4cFc"; $obj['transid']             = "1218614901201405273313473135"; $obj['out_trade_no']        = "JfuKdiBig4zZnE4n"; $obj['deliver_timestamp']   = $deliver_timestamp; $obj['deliver_status']      = "1"; $obj['deliver_msg']         = "ok"; $WxPayHelper = new WxPayHelper(); //get_biz_sign函数受保护，需要先取消一下，否则会报错
 $app_signature  = $WxPayHelper->get_biz_sign($obj); //3. 将构造的json提交给微信服务器，查询
 $jsonmenu = '
 {
     "appid" : "'.$obj['appid'].'",
     "openid" : "'.$obj['openid'].'",
     "transid" : "'.$obj['transid'].'",
     "out_trade_no" : "'.$obj['out_trade_no'].'",
     "deliver_timestamp" : "'.$deliver_timestamp.'",
     "deliver_status" : "'.$obj['deliver_status'].'",
     "deliver_msg" : "'.$obj['deliver_msg'].'",
     "app_signature" : "'.$app_signature.'",
     "sign_method" : "sha1"
 }'; $url = "https://api.weixin.qq.com/pay/delivernotify?access_token=".$access_token; $result = https_request($url, $jsonmenu); var_dump($result); function https_request($url, $data = null){     $curl = curl_init();
     curl_setopt($curl, CURLOPT_URL, $url);
     curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
     curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);     if (!empty($data)){
         curl_setopt($curl, CURLOPT_POST, 1);
         curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
     }
     curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);     $output = curl_exec($curl);
     curl_close($curl);     return $output;
 }

运行后返回结果

string(27) "{"errcode":0,"errmsg":"ok"}"

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