/// <summary> /// 微信支付成功,返回信息 /// </summary> /// <returns></returns> public void WxZhifuInfo() { string post = ""; HttpRequestBase request = Request; using (System.IO.Stream stream = request.InputStream) { Byte[] postBytes = new Byte[stream.Length]; stream.Read(postBytes, 0, (Int32)stream.Length); post = System.Text.Encoding.UTF8.GetString(postBytes); } writeLogs.writelog("支付成功,返回信息:" + post); Response.Write("<xml><return_code><![CDATA[SUCCESS]]></return_code></xml>"); // "<return_msg><![CDATA[]]></return_msg></xml>"); Response.End(); } /// <summary> /// 提交微信支付 /// </summary> /// <param name="orderid">订单编号</param> /// <param name="title">商品标题</param> /// <param name="openid">用户编号</param> /// <param name="weiId">公众号</param> /// <returns></returns> public string WxZhifuApi(string orderid,string title,string openid,string weiId) { try { SignCode sign = new SignCode(); //获取商户的配置参数 string sql = "select * from pay_info where Enable=1";//必须保证是一条数据否则默认失败 DataTable dt = SQLiteDBHelper.GetDataTable(sql, weiId); if (dt.Rows.Count > 0)//查看是否存在数据 { sign.appid = dt.Rows[0]["appid"].ToString(); sign.mch_id = dt.Rows[0]["Mchid"].ToString(); Setkey = dt.Rows[0]["KeyValue"].ToString(); } else { writeLogs.writelog("查询商户配置参数错误,请检查参数是否正确"); return "{\"errcode\":\"3\"}";//商户未设置支付参数 } string Time = ((DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000000).ToString(); sign.body = title; sign.nonce_str = "abcdefghijklmnopqrstuvwxyzqqqqqq";//随机数固定不变 sign.openid = openid; //"oaR7LjvZ5qFcoD0q4_zAhhTruqwY"; sign.out_trade_no = orderid; //"D"+Time; sign.spbill_create_ip = "127.0.0.1"; //使用订单编号查询订单总价格 sql = "select * from order_info where orderid="+orderid+" and openid=‘"+openid+"‘ "; dt = SQLiteDBHelper.GetDataTable(sql, weiId); if (dt.Rows.Count > 0) { sign.total_fee = Convert.ToString( float.Parse(dt.Rows[0]["Receivables"].ToString()) * 100); //测试阶段价格写1 ,单位:分 } else { writeLogs.writelog("查询订单编号价格错误"); return "{\"errcode\":\"4\"}";//订单编号错误或订单不存在 } sign.notify_url = string.Format("http://shop.bcowei.com/Template/WxZhifuInfo");// string.Format("shop.bcowei.com/Template/orderpay?weiId={0}&openid={1}&pay={2}&orderId={3}",weiId,openid,"1",orderid);//接受微信支付成功信息 string code = WxSign(sign); string url = "https://api.mch.weixin.qq.com/pay/unifiedorder"; prepay p = new prepay(); string result = System.Web.PostAndGet.PostWebRequest(url, code, "utf-8"); XmlSerializer xml = new XmlSerializer(typeof(prepay)); StringReader reader = new StringReader(result); prepay prepay = xml.Deserialize(reader) as prepay; if (prepay.result_code == null || prepay.result_code == "") { writeLogs.writelog("prepay_id获取失败,检查参数配置是否正确,参数内容:"+code); //Response.Redirect(string.Format("/ordererror/Template?weiId={0}&openid={1}&errcode=11",weiId,openid)); return "{\"errcode\":\"1\"}"; } string prepayid = string.Format("prepay_id={0}", prepay.prepay_id); Dictionary<string, string> dic = new Dictionary<string, string>(); dic.Add("appId", sign.appid); dic.Add("timeStamp",Time); dic.Add("nonceStr",sign.nonce_str); dic.Add("package", prepayid); dic.Add("signType", "MD5"); //Template/index1?appid={0}&timeStamp={1}&nonceStr={2}&package={3}&signType={4}&paySign={5}",sign.appid,Time,sign.nonce_str,prepayid,"MD5",WxSignCreate(dic))); ViewBag.appid = sign.appid; ViewBag.time = Time; ViewBag.noncestr = sign.nonce_str; ViewBag.package = prepayid; ViewBag.signType = "MD5"; ViewBag.paySign = WxSignCreate(dic); ViewBag.weiId = weiId; ViewBag.openid = openid; ViewBag.orderid = orderid; return "{\"errcode\":\"0\","+ "\"appid\":\"" + sign.appid + "\","+ "\"time\":\"" + Time + "\","+ "\"noncestr\":\"" + sign.nonce_str + "\","+ "\"package\":\""+prepayid+"\","+ "\"signType\":\"MD5\","+ "\"paySign\":\""+WxSignCreate(dic)+"\""+ "}"; } catch (Exception e) { // Response.Redirect(string.Format("/ordererror/Template?weiId={0}&openid={1}&errcode=15", weiId, openid)); return "{\"errcode\":\"1\"}"; } } /// <summary> /// key值 /// </summary> /// <returns></returns> public static string Setkey { get; set; } /// <summary> /// 生成签名 /// </summary> /// <param name="body">商品描述</param> /// <param name="openid">用户标识</param> /// <param name="out_trade_no">订单编号</param> /// <param name="total_fee">价钱</param> /// <param name="notify_url">成功跳转路径</param> /// <param name="spbill_create_ip">设备IP</param> /// <returns></returns> public string WxSign(SignCode code) { //string appid,string mch_id,string nonce_str,string body, string openid, string out_trade_no, string total_fee, string notify_url, string spbill_create_ip Dictionary<string, string> sign = new Dictionary<string, string>();//字典建值对 try { sign.Add("appid",code.appid);//公众号标识,1 sign.Add("body", code.body);//商品描述,0 sign.Add("mch_id", code.mch_id);//商户编号,1 sign.Add("nonce_str",code.nonce_str);//随机字符串,1 sign.Add("openid", code.openid);//微信用户编号,0 sign.Add("out_trade_no", code.out_trade_no);//订单编号,0 sign.Add("spbill_create_ip", code.spbill_create_ip);//设备IP,0 sign.Add("total_fee", code.total_fee);//价钱 单位:分,0 sign.Add("notify_url", code.notify_url);//请求成功跳转地址,0 sign.Add("trade_type", "JSAPI");//支付方式,1 sign.Add("sign", WxSignCreate(sign));//签名 } catch (Exception e) { writeLogs.writelog("参数键值对异常:"+e.Message); return "参数键值对异常:" + e.Message; } string ddd = WxXml(sign); return WxXml(sign);//参数转化xml } public class getPay { public string appId { get; set; } public string timeStamp { get; set; } public string nonceStr { get; set; } public string package { get; set; } public string signType { get; set; } public string paySign { get; set; } } /// <summary> /// 签名参数 /// </summary> public class SignCode { public string appid { get; set; } public string mch_id { get; set; } public string nonce_str { get; set; } public string body { get; set; } public string openid { get; set; } public string out_trade_no { get; set; } public string total_fee { get; set; } public string notify_url { get; set; } public string spbill_create_ip { get; set; } } /// <summary> /// 转换xml格式 /// </summary> /// <param name="dic"></param> /// <returns></returns> public string WxXml(Dictionary<string,string> dic) { StringBuilder sb = new StringBuilder(); try { sb.Append("<xml>"); foreach (var key in dic.Keys) { //<appid>wx2421b1c4370ec43b</appid sb.Append("<"+key+">"+dic[key]+"</"+key+">"); } sb.Append("</xml>"); } catch (Exception e) { writeLogs.writelog("参数转换xml异常:"+e.Message); return null; } return sb.ToString(); } /// <summary> /// 拼接签名生成 /// </summary> /// <param name="Sign"></param> /// <returns></returns> public string WxSignCreate(Dictionary<string,string> Sign) { string create = "";//拼接字符串 try { var result = from i in Sign orderby i.Key select i; foreach(KeyValuePair<string,string> pair in result) { string key = pair.Key; string value = pair.Value; create += key + "=" + value + "&"; } create = create.TrimEnd(‘&‘); } catch (Exception e) { writeLogs.writelog("签名拼接异常:"+e.Message); return "签名拼接异常:" + e.Message; } return WxSignMD5(create); } /// <summary> /// 请求签名MD5 /// </summary> /// <param name="sign"></param> /// <returns></returns> public string WxSignMD5(string sign) { string Signstr = sign + "&key=" + Setkey; return MD5(Signstr).ToUpper();//MD5转换 } /// <summary> /// 签名MD5 /// </summary> /// <param name="s"></param> /// <returns></returns> public static String MD5(String s) { char[] hexDigits = { ‘0‘, ‘1‘, ‘2‘, ‘3‘, ‘4‘, ‘5‘, ‘6‘, ‘7‘, ‘8‘, ‘9‘, ‘A‘, ‘B‘, ‘C‘, ‘D‘, ‘E‘, ‘F‘ }; try { byte[] btInput = System.Text.Encoding.UTF8.GetBytes(s); // 获得MD5摘要算法的 MessageDigest 对象 System.Security.Cryptography.MD5 mdInst = System.Security.Cryptography.MD5.Create(); // 使用指定的字节更新摘要 mdInst.ComputeHash(btInput); // 获得密文 byte[] md = mdInst.Hash; // 把密文转换成十六进制的字符串形式 int j = md.Length; char[] str = new char[j * 2]; int k = 0; for (int i = 0; i < j; i++) { byte byte0 = md[i]; str[k++] = hexDigits[(int)(((byte)byte0) >> 4) & 0xf]; str[k++] = hexDigits[byte0 & 0xf]; } return new string(str);//编码转换 } catch (Exception e) { writeLogs.writelog("调用签名md5异常:"+e.Message); return null; } }
时间: 2024-10-26 17:16:44