一、订单查询
因为某一方技术的原因,可能导致商户在预期时间内都收不到最终支付通知,此时商户可以通过该API来查询订单的详细支付状态。
订单查询API的URL为:
https://api./pay/orderquery?access_token=xxxxxx
URL中的参数只包含目前微信公众平台凭证access_token,而订单查询的真正数据是放在PostData中的,格式如下:
{
"appid" : "wwwwb4f85f3a797777",
"package" : "out_trade_no=11122&partner=1900090055&sign=4e8d0df3da0c3d0df38f",
"timestamp" : "1369745073",
"app_signature" : "53cca9d47b883bd4a5c85a9300df3da0cb48565c",
"sign_method" : "sha1"}
上述内容参数说明如表所示。
参数说明
appid公众平台账户的AppId;
package查询订单的关键信息数据,包含第三方唯一订单号out_trade_no、财付通商户身仹标识partner(即前文所述的partnerid)、签名sign,其中sign是对参数字典序排序并使用&联合起来,最后加上&key=partnerkey(唯一分配),进行md5运算,再转成全大写,最终得到sign
timestamplinux时间戳;
app_signature根据支付签名(paySign)生成方法中所讲的签名方式生成的,参加签名字段为:appid、appkey、package、timestamp;
sign_method签名方法(不计入签名生成);
二、实现细节
1. 获得access token
这个很容易,参考微信公众平台开发(26) ACCESS TOKEN
代码如下:$appid = "wx0000000000000000";
$appsecret = "e76050733c695748537fc4d4c21d0e2c";
$url = "https://api./cgi-bin/token?grant_type=client_credential&appid=$appid&secret=$appsecret";
$result = https_request($url);
$jsoninfo = json_decode($result, true);
$access_token = $jsoninfo["access_token"];
2. 参数生成
appid: 直接赋值
timestamp:程序直接获取
$timestamp = time();
sign_method:这里为sha1
难点1:package 值的获得
先要获得sign
sign是out_trade_no,partner,key(partnerkey)三项信息的字典序排序,再MD5运算,再转为大写
$sign= strtoupper(md5("out_trade_no=JfuKdiBig4zZnE4n&partner=1234567890&key=ebf5cf381de2d716d432bfda34fa9e57"));
package 是查询订单的关键信息数据,包含第三方唯一订单号 out_trade_no、财付通商户身仹标识 partner(即前文所述的 partnerid) 、签名 sign
$package = "out_trade_no=JfuKdiBig4zZnE4n&partner=1234567890&sign=".$sign;
难点2:获得app_signature
app_signature 依然是根据支付签名(paySign)生成方法中所讲的签名方式生成的,参加签名字段为:appid、appkey、package、timestamp;
$obj['appid'] = "wx0000000000000000";
$obj['appkey'] = "8mruTNOGeX8OVUlIYxIyw6kxCRvdJENpWpw8mruTNOGeX8OVUlIYxIyw6kxCRvdJENpWpw8mruTNOGeX8OVUlIYxIyw6kxCRvdJENpWpw8mruTNOGeX8OVUlIYxIyw6k";
$obj['package'] = $package;
$obj['timestamp'] = $timestamp;
$WxPayHelper->get_biz_sign($obj);
这样各项参数都获得了
3.提交查询
$jsonmenu = '{
"appid" : "wx0000000000000000",
"package" : "'.$package.'",
"timestamp" : "'.$timestamp.'",
"app_signature" : "'.$app_signature.'",
"sign_method" : "sha1"
}
';
$url = "https://api./pay/orderquery?access_token=".$access_token;
$result = https_request($url, $jsonmenu);
var_dump($result);
完整代码如下所示:include_once("WxPayHelper.php");
//1. 获取access token
$appid = "wx0000000000000000";
$appsecret = "e76050733ce76050733ce76050733cdd";
$url = "https://api./cgi-bin/token?grant_type=client_credential&appid=$appid&secret=$appsecret";
$result = https_request($url);
$jsoninfo = json_decode($result, true);
$access_token = $jsoninfo["access_token"];
//2.准备参数
$timestamp = time();
$sign= strtoupper(md5("out_trade_no=JfuKdiBig4zZnE4n&partner=1234567890&key=asdfasdfasdfasdfasdfasdfasdfasdf"));
$package = "out_trade_no=JfuKdiBig4zZnE4n&partner=1234567890&sign=".$sign;
//2.1构造最麻烦的app_signature
$obj['appid'] = "wx0000000000000000";
$obj['appkey'] = "8mruTNOGeX8OVUlIYxIyw6kxCRvdJENpWpw8mruTNOGeX8OVUlIYxIyw6kxCRvdJENpWpw8mruTNOGeX8OVUlIYxIyw6kxCRvdJENpWpw8mruTNOGeX8OVUlIYxIyw6k";
$obj['package'] = $package;
$obj['timestamp'] = $timestamp;
$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
$jsonmenu = '
{
"appid" : "wx0000000000000000",
"package" : "'.$package.'",
"timestamp" : "'.$timestamp.'",
"app_signature" : "'.$app_signature.'",
"sign_method" : "sha1"
}
';
$url = "https://api./pay/orderquery?access_token=".$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;
}
三、订单结果
上述程序执行后,获得订单结果如下
{
"errcode": 0,
"errmsg": "ok",
"order_info": {
"ret_code": 0,
"ret_msg": "",
"input_charset": "GBK",
"trade_state": "0",
"trade_mode": "1",
"partner": "1234567890",
"bank_type": "CMB_FP",
"bank_billno": "05273540085997",
"total_fee": "1",
"fee_type": "1",
"transaction_id": "121861490105273313473135",
"out_trade_no": "JfuKdiBig4zZnE4n",
"is_split": "false",
"is_refund": "false",
"attach": "",
"time_end": "0527194139",
"transport_fee": "0",
"product_fee": "1",
"discount": "0",
"rmb_total_fee": ""
}
}
各个字段的含义如表所示。
参数说明
ret_code查询结果状态码,0表明成功,其他表明错误;
ret_msg查询结果出错信息;
input_charset返回信息中的编码方式;
trade_state订单状态,0为成功,其他为失败;
trade_mode交易模式,1为即时到帐,其他保留;
partner财付通商户号,即前文的partnerid;
bank_type银行类型;
bank_billno银行订单号;
total_fee总金额,单位为分;
fee_type币种,1为人民币;
transaction_id财付通订单号;
out_trade_no第三方订单号;
is_split是否分账,false为无分账,true为有分账;
is_refund是否退款,false为无退款,ture为退款;
attach商户数据包,即生成订单package时商户填入的attach;
time_end支付完成时间;
transport_fee物流费用,单位为分;
product_fee物品费用,单位为分;
discount折扣价格,单位为分;
rmb_total_fee换算成人民币之后的总金额,单位为分,一般看total_fee即可。
如果程序有误,会在errcode和errmsg描述出来。
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