/// <summary>
/// 查询订单
/// </summary>
/// <param name="orderId"></param>
/// <param name="errMsg"></param>
public SortedDictionary <string, string> OrderQueryOrderId(string orderId, out string errMsg)
{
string postXml = generateOrderQueryByOrderId(orderId);
//下单
string result;
if (!WxpayCore.Post(WxpayConfig.queryPay_Url, postXml, out result, out errMsg))
{
errMsg = "查询订单失败";
return(null);
}
if (string.IsNullOrEmpty(result) || result.IndexOf("return_code") == -1)
{
errMsg = "查询订单失败";
return(null);
}
var order = WxpayCore.FromXml(result);
if (order["return_code"] != "SUCCESS")
{
errMsg = "查询订单失败(return_code=" + order["return_code"] + "；return_msg=" + order["return_msg"] + ")";
return(null);
}
errMsg = "";
return(order);
}
/// <summary>
/// 生成统一下单交易数据包（为pc端网页扫码模式）
/// </summary>
/// <param name="orderId"></param>
/// <param name="money"></param>
/// <param name="body"></param>
/// <param name="notifyUrl"></param>
/// <param name="expire"></param>
/// <param name="userOpenId">用户openid</param>
/// <param name="ip"></param>
private string genPrePay4Qrcode(string orderId, decimal money, string body, string notifyUrl, DateTime expire, string ip)
{
string noncestr = Guid.NewGuid().ToString().Replace("-", ""); //32 位内的随机串，防重发
var param = new SortedDictionary <string, object>();
param.Add("appid", config.AppId);
param.Add("mch_id", config.MerchantId);
param.Add("nonce_str", noncestr);
param.Add("device_info", "WEB");
param.Add("body", body);
param.Add("out_trade_no", orderId);
param.Add("total_fee", Convert.ToInt32(Math.Round(money * 100, 0))); //订单总金额，单位为分
param.Add("spbill_create_ip", ip);
param.Add("notify_url", notifyUrl);
param.Add("product_id", orderId);
param.Add("trade_type", "NATIVE");
if (expire != DateTime.MinValue)
{
param.Add("time_expire", expire.ToString("yyyyMMddHHmmss"));
}
//生成签名
string signString = WxpayCore.CreateLinkString(param) + "&key=" + config.MerchantKey;
string packSign = WxpayCore.MD5(signString, Encoding.UTF8);
param.Add("sign", packSign);
return(WxpayCore.ToXml(param));
}
/// <summary>
/// 为公众号网页提供支付请求，并以键值对形式返回（方便用于转为json）
/// </summary>
/// <param name="notifyUrl">到账通知Url</param>
/// <param name="orderId"></param>
/// <param name="money"></param>
/// <param name="desc">商品描述</param>
/// <param name="userOpenId">用户openid</param>
/// <param name="ip"></param>
/// <param name="errMsg"></param>
public Dictionary <string, string> Pay4JSApi(string notifyUrl, string orderId, decimal money, string desc, string ip, string userOpenId, out string errMsg)
{
if (notifyUrl.IndexOf("://127.0.0.1") != -1)
{
errMsg = "尚未配置微信支付结果通知域名";
return(null);
}
string postXml = genPrePay4Jsapi(orderId, money, desc, notifyUrl, DateTime.MinValue, userOpenId, ip);
//下单
var url = string.Format(WxpayConfig.genPrePay_Url, config.GetAccessToken());
string result;
if (!WxpayCore.Post(url, postXml, out result, out errMsg))
{
errMsg = "预支付请求失败";
return(null);
}
if (string.IsNullOrEmpty(result) || result.IndexOf("return_code") == -1)
{
errMsg = "预支付返回值无效";
return(null);
}
var rlsObj = WxpayCore.FromXml(result);
if (rlsObj["return_code"] != "SUCCESS" || rlsObj["result_code"] != "SUCCESS")
{
if (rlsObj["return_code"] != "SUCCESS")
{
errMsg = "预支付失败(return_code=" + rlsObj["return_code"] + ")";
}
else
{
errMsg = "预支付失败(result_code=" + rlsObj["result_code"] + ")";
}
return(null);
}
if (!WxpayCore.CheckSign(rlsObj, config.MerchantKey))
{
errMsg = "预支付返回值中签名无效";
return(null);
}
var preId = (string)rlsObj["prepay_id"];
if (string.IsNullOrEmpty(preId))
{
errMsg = "预支付返回值中prepay_id无效";
return(null);
}
errMsg = "";
string noncestr = Guid.NewGuid().ToString().Replace("-", ""); //32 位内的随机串，防重发
string timeStamp = WxpayCore.GetUnixDatetime();
return(ToJsapi(orderId, noncestr, timeStamp, preId));
}
private Dictionary <string, string> ToJsapi(string orderId, string noncestr, string timeStamp, string prepayId)
{
var dic = new Dictionary <string, string>();
dic.Add("appId", config.AppId);
dic.Add("timeStamp", timeStamp);
dic.Add("nonceStr", noncestr);
dic.Add("package", "prepay_id=" + prepayId);
dic.Add("signType", "MD5");
//生成签名
string signString = WxpayCore.CreateLinkString(dic) + "&key=" + config.MerchantKey;
string sign = WxpayCore.MD5(signString, Encoding.UTF8);
dic.Add("paySign", sign);
return(dic);
}
/// <summary>
/// 生成订单查询XML
/// </summary>
/// <param name="orderId"></param>
private string generateOrderQueryByOrderId(string orderId)
{
string noncestr = Guid.NewGuid().ToString().Replace("-", ""); //32 位内的随机串，防重发
var param = new SortedDictionary <string, object>();
param.Add("appid", config.AppId);
param.Add("mch_id", config.MerchantId);
param.Add("nonce_str", noncestr);
param.Add("out_trade_no", orderId);
//生成签名
string signString = WxpayCore.CreateLinkString(param) + "&key=" + config.MerchantKey;
string packSign = WxpayCore.MD5(signString, Encoding.UTF8);
param.Add("sign", packSign);
return(WxpayCore.ToXml(param));
}
private void RefreshAccessToken()
{
var url = string.Format(getAccessToken_Url, appId, appSecret);
string result, err;
if (WxpayCore.Get(url, 5000, out result, out err) && !string.IsNullOrEmpty(result))
{
var root = JsonConvert.DeserializeObject <Dictionary <string, object> >(result);
if (root.ContainsKey("access_token") && root.ContainsKey("expires_in"))
{
var at = (string)root["access_token"];
var ex = root["expires_in"];
if (!string.IsNullOrEmpty(at))
{
accessToken = at;
accessTokenExpire = DateTime.Now.AddSeconds(int.Parse(ex.ToString()) - 60 * 10);
}
}
}
}
public static bool CheckSign(SortedDictionary <string, string> param, string merchantKey)
{
string sign = null;
var param1 = new SortedDictionary <string, string>();
foreach (KeyValuePair <string, string> p in param)
{
if (p.Key != "sign")
{
param1.Add(p.Key, p.Value);
}
else
{
sign = p.Value.ToString();
}
}
//string signString = WxpayCore.CreateLinkString(param1) + "&key=" + WxpayConfig.MerchantKey;
string signString = WxpayCore.CreateLinkString(param1) + "&key=" + merchantKey;
string mySign = WxpayCore.MD5(signString, Encoding.UTF8);
return(sign == mySign);
}
/// <summary>
/// 为PC网页提供充值支付请求
/// </summary>
/// <param name="notifyUrl">到账通知Url</param>
/// <param name="orderId"></param>
/// <param name="money"></param>
/// <param name="desc">商品描述</param>
/// <param name="userOpenId">用户openid</param>
/// <param name="ip"></param>
/// <param name="errMsg"></param>
/// <param name="prepay_id">预支付订单号</param>
/// <param name="qrcode_url">二维码Url内容</param>
public bool Pay4Qrcode(string notifyUrl, string orderId, decimal money, string desc, string ip, out string errMsg, out string prepay_id, out string qrcode_url)
{
prepay_id = null;
qrcode_url = null;
if (notifyUrl.IndexOf("://127.0.0.1") != -1)
{
errMsg = "尚未配置微信支付结果通知域名";
return(false);
}
string postXml = genPrePay4Qrcode(orderId, money, desc, notifyUrl, DateTime.MinValue, ip);
//下单
var url = string.Format(WxpayConfig.genPrePay_Url, config.GetAccessToken());
string result;
if (!WxpayCore.Post(url, postXml, out result, out errMsg))
{
errMsg = "预支付请求失败";
return(false);
}
if (string.IsNullOrEmpty(result) || result.IndexOf("return_code") == -1)
{
errMsg = "预支付返回值无效";
return(false);
}
var rlsObj = WxpayCore.FromXml(result);
LogHelper.writeLog("测试2", result, null);
if (rlsObj["return_code"] != "SUCCESS" || rlsObj["result_code"] != "SUCCESS")
{
if (rlsObj["return_code"] != "SUCCESS")
{
errMsg = "预支付失败(return_code=" + rlsObj["return_code"] + ")";
}
else
{
errMsg = "预支付失败(result_code=" + rlsObj["result_code"] + ")";
}
return(false);
}
if (!WxpayCore.CheckSign(rlsObj, config.MerchantKey))
{
errMsg = "预支付返回值中签名无效";
return(false);
}
prepay_id = (string)rlsObj["prepay_id"];
if (string.IsNullOrEmpty(prepay_id))
{
errMsg = "预支付返回值中prepay_id无效";
return(false);
}
qrcode_url = (string)rlsObj["code_url"];
if (string.IsNullOrEmpty(qrcode_url))
{
errMsg = "预支付返回值中code_url无效";
return(false);
}
return(true);
}