public static WeChatPayOrder GetWeChatPayOrder()
{
WeChatPayOrder weChatPayOrder = new WeChatPayOrder();
weChatPayOrder.nonce_str = Guid.NewGuid().ToString("N");
weChatPayOrder.notify_url = WeChatPayCallBack;
return(weChatPayOrder);
}
/// <summary>
/// 获取签名
/// 第一步：对参数按照key=value的格式，并按照参数名ASCII字典序排序如下：
///stringA="appid=wxd930ea5d5a258f4f&body=test&device_info=1000&mch_id=10000100&nonce_str=ibuaiVcKdpRxkhJA";
///第二步：拼接API密钥：
///stringSignTemp=stringA+"&key=192006250b4c09247ec02edce69f6a2d" //注：key为商户平台设置的密钥key
///sign=MD5(stringSignTemp).toUpperCase()="9A0A8659F005D6984697E2CA0A9CF3B7" //注：MD5签名方式
///sign=hash_hmac("sha256", stringSignTemp, key).toUpperCase()="6A9AE1657590FD6257D693A078E1C3E4BB6BA4DC30B23E0EE2496E54170DACD6" //注：HMAC-SHA256签名方式
/// </summary>
/// <returns></returns>
static void SetSign(WeChatPayOrder order)
{
var d = JsonConvert.DeserializeObject <Dictionary <string, string> >(JsonConvert.SerializeObject(order));
var vDic = (from objDic in d orderby objDic.Key ascending select objDic);
string stringA = "";
foreach (var item in vDic)
{
string val = item.Value;
string key = item.Key;
if (!string.IsNullOrEmpty(val))
{
stringA += $"{key}={val}&";
}
}
stringA = stringA.Trim('&') + "&key=" + SHSercret;
order.sign = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(stringA, "MD5").ToUpper();
}
public static PayOrderResult CreateOrder(WeChatPayOrder order)
{
HttpHelper httpHelper = new HttpHelper();
SetSign(order);
string data = CreateXmlParam(JsonConvert.DeserializeObject <Dictionary <string, string> >(JsonConvert.SerializeObject(order)));
HttpResult result = httpHelper.GetHtml(new HttpItem()
{
URL = "https://api.mch.weixin.qq.com/pay/unifiedorder",
Postdata = data,
Method = "Post",
PostEncoding = Encoding.UTF8,
Encoding = Encoding.UTF8,
ContentType = "text/xml;"
});
PayOrderResult payOrderResult = XmlHelper.DeserializeToObject <PayOrderResult>(result.Html);
payOrderResult.timeStamp = GetTimeStamp(DateTime.Now).ToString();
SetPaySign(payOrderResult);
return(payOrderResult);
}
