微信支付
Posted 奎宇工作室
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简单的说,就是得到微信用户的openid,用openid请求微信支付订单,得到订单后,使用JSAPI调用微信支付
1.通过微信授权方式得到微信用户openid 2.生成业务订单,用openid请求微信支付订单信息(get) 3.得到订单信息后,使用jsapi调用微信支付
注意: 1大小写要与配置一致 2调用微信支付的JSAPI要在TenPayV3下 3使get方式获取订单信息
引用<script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script> 如果是有证书,使用https function wxpay() { WeixinJSBridge.invoke(\'getBrandWCPayRequest\', { "appId": r.AppId, //公众号名称,由商户传入 "timeStamp": r.TimeStamp, //时间戳 "nonceStr": r.NonceStr, //随机串 "package": r.Package,//扩展包 "signType": "MD5", //微信签名方式:1.sha1 "paySign": r.PaySign //微信签名 }, function (res) { WeixinJSBridge.log(res.err_msg); alert(res.err_code + res.err_desc + res.err_msg); if (res.err_msg == "get_brand_wcpay_request:ok") { alert("微信支付成功!"); } else if (res.err_msg == "get_brand_wcpay_request:cancel") { alert("用户取消支付!"); } else { alert("支付失败,原因:" + res.err_msg); } // 使用以上方式判断前端返回,微信团队郑重提示:res.err_msg将在用户支付成功后返回ok,但并不保证它绝对可靠。 //因此微信团队建议,当收到ok返回时,向商户后台询问是否收到交易成功的通知,若收到通知,前端展示交易成功的界面;若此时未收到通知,商户后台主动调用查询订单接口,查询订单的当前状态,并反馈给前端展示相应的界面。 }); } function callpay() { if (typeof WeixinJSBridge == "undefined") { if (document.addEventListener) { document.addEventListener(\'WeixinJSBridgeReady\', wxPay, false); } else if (document.attachEvent) { document.attachEvent(\'WeixinJSBridgeReady\', wxPay); document.attachEvent(\'onWeixinJSBridgeReady\', wxPay); } } else { wxPay(); } }
TenPayUtil.GetNoncestr();//随机数 TenPayUtil.GetTimestamp();//时间戳 TenPayV3Info.AppId;//web.config中配置的appid TenPayV3Info.AppSecret;//web.config中配置的secret TenPayV3Info.Key//web.config中配置的key TenPayV3Info.MchId //web.config中配置的商户Id TenPayV3Info.TenPayV3Notify; //web.config中配置的回调地址 private static TenPayV3Info _tenPayV3Info; public static TenPayV3Info TenPayV3Info { get { if (_tenPayV3Info == null) { _tenPayV3Info = TenPayV3InfoCollection.Data[System.Configuration.ConfigurationManager.AppSettings["TenPayV3_MchId"]]; } return _tenPayV3Info; } } 控制器里 //会员充值 public ActionResult Recharge() { ViewBag.UserId = LoginUserInfo.UserId; ViewBag.OpenId = LoginUserInfo.WxOpenId; ViewBag.Points = LoginUserInfo.Points; return View(); }
public ActionResult JsApi(string code, string state) { #region 验证传参 if (string.IsNullOrEmpty(code)) { return Content("您拒绝了授权!"); } if (!state.Contains("|")) { //这里的state其实是会暴露给客户端的,验证能力很弱,这里只是演示一下 //实际上可以存任何想传递的数据,比如用户ID,并且需要结合例如下面的Session["OAuthAccessToken"]进行验证 return Content("验证失败!请从正规途径进入!1001"); } #endregion #region 用code获取accesstoken //通过,用code换取access_token var openIdResult = OAuthApi.GetAccessToken(TenPayV3Info.AppId, TenPayV3Info.AppSecret, code); if (openIdResult.errcode != ReturnCode.请求成功) { return Content("错误:" + openIdResult.errmsg); } #endregion #region 获取订单信息 string timeStamp = ""; string nonceStr = ""; string paySign = ""; string sp_billno = Request["order_no"]; //当前时间 yyyyMMdd string date = DateTime.Now.ToString("yyyyMMdd"); //获取订单信息 sp_billno = Request["order_no"].ToString(); var order = rechargeService.Get(sp_billno); if (order == null) return Content("订单信息错误"); #endregion //创建支付应答对象 RequestHandler packageReqHandler = new RequestHandler(null); //初始化 packageReqHandler.Init(); timeStamp = TenPayV3Util.GetTimestamp(); nonceStr = TenPayV3Util.GetNoncestr(); #region 设置package订单参数 packageReqHandler.SetParameter("appid", TenPayV3Info.AppId); //公众账号ID packageReqHandler.SetParameter("mch_id", TenPayV3Info.MchId); //商户号 packageReqHandler.SetParameter("nonce_str", nonceStr); //随机字符串 packageReqHandler.SetParameter("body", "聚惠会员服务"); //商品信息 packageReqHandler.SetParameter("out_trade_no", sp_billno); //商家订单号 packageReqHandler.SetParameter("total_fee", (order.Amount * 100).ToString()); //商品金额,以分为单位(money * 100).ToString() packageReqHandler.SetParameter("spbill_create_ip", Request.UserHostAddress); //用户的公网ip,不是商户服务器IP packageReqHandler.SetParameter("notify_url", TenPayV3Info.TenPayV3Notify); //接收财付通通知的URL packageReqHandler.SetParameter("trade_type", TenPayV3Type.JSAPI.ToString()); //交易类型 packageReqHandler.SetParameter("openid", openIdResult.openid); //用户的openId string sign = packageReqHandler.CreateMd5Sign("key", TenPayV3Info.Key); packageReqHandler.SetParameter("sign", sign); //签名 string data = packageReqHandler.ParseXML(); var result = TenPayV3.Unifiedorder(data); var res = XDocument.Parse(result); string prepayId = res.Element("xml").Element("prepay_id").Value; #endregion #region 设置支付参数 RequestHandler paySignReqHandler = new RequestHandler(null); paySignReqHandler.SetParameter("appId", TenPayV3Info.AppId); paySignReqHandler.SetParameter("timeStamp", timeStamp); paySignReqHandler.SetParameter("nonceStr", nonceStr); paySignReqHandler.SetParameter("package", string.Format("prepay_id={0}", prepayId)); paySignReqHandler.SetParameter("signType", "MD5"); paySign = paySignReqHandler.CreateMd5Sign("key", TenPayV3Info.Key); #endregion //得到支付参数 ViewData["appId"] = TenPayV3Info.AppId; ViewData["timeStamp"] = timeStamp; ViewData["nonceStr"] = nonceStr; ViewData["package"] = string.Format("prepay_id={0}", prepayId); ViewData["paySign"] = paySign; return View(); }
public ActionResult PayNotifyUrl() { ResponseHandler resHandler = new ResponseHandler(null); string return_code = resHandler.GetParameter("return_code"); string return_msg = resHandler.GetParameter("return_msg"); #region 附加的参数 string result_code = resHandler.GetParameter("result_code");//业务结果:SUCCESS/FAIL string appid = resHandler.GetParameter("appid"); string mch_id = resHandler.GetParameter("mch_id"); string device_info = resHandler.GetParameter("device_info"); string nonce_str = resHandler.GetParameter("nonce_str"); string sign = resHandler.GetParameter("sign"); string err_code = resHandler.GetParameter("err_code"); string err_code_des = resHandler.GetParameter("err_code_des"); string openid = resHandler.GetParameter("openid"); string is_subscribe = resHandler.GetParameter("is_subscribe"); string trade_type = resHandler.GetParameter("trade_type"); string bank_type = resHandler.GetParameter("bank_type"); string total_fee = resHandler.GetParameter("total_fee");//总金额 string coupon_fee = resHandler.GetParameter("coupon_fee"); string fee_type = resHandler.GetParameter("fee_type"); string transaction_id = resHandler.GetParameter("transaction_id");//微信支付订单号 string out_trade_no = resHandler.GetParameter("out_trade_no");//商户订单号 string attach = resHandler.GetParameter("attach"); //参数attach 1充值订单 2微信购物订单 string time_end = resHandler.GetParameter("time_end");//支付完成时间 #endregion string res = null; resHandler.SetKey(TenPayV3Info.Key); //验证请求是否从微信发过来(安全) if (resHandler.IsTenpaySign()) { res = "success"; //正确的订单处理 if (result_code == "SUCCESS") { decimal money = Convert.ToInt32(total_fee) / 100; if (attach == "1") { //充值业务 if (rechargeService.Pay(out_trade_no, transaction_id)) { string msg = string.Format("您己成功充值{0}积分", money); if (true) { msg += ",并赠送" + decimal.Round(money * 0.05m, 2) + "金豆"; } CustomApi.SendText(appid, openid, msg); } } if (attach == "2") { //2微信购物订单,会员消费 if (consumeService.WeixinPay(out_trade_no, transaction_id)) { } } } else { log.Error("微信支付错误"+return_msg); } } else { res = "wrong"; log.Warn("异步回调微信支付验签失败"); //错误的订单处理 } var fileStream = System.IO.File.OpenWrite(Server.MapPath("~/1.txt")); fileStream.Write(Encoding.Default.GetBytes(res), 0, Encoding.Default.GetByteCount(res)); fileStream.Close(); string xml = string.Format(@"<xml> <return_code><![CDATA[{0}]]></return_code> <return_msg><![CDATA[{1}]]></return_msg> </xml>", return_code, return_msg); return Content(xml, "text/xml"); }
/// <summary> /// 订单查询 /// </summary> /// <returns></returns> public ActionResult OrderQuery(string merorderno,string wxorderno) { string nonceStr = TenPayV3Util.GetNoncestr(); RequestHandler packageReqHandler = new RequestHandler(null); //设置package订单参数 packageReqHandler.SetParameter("appid", TenPayV3Info.AppId); //公众账号ID packageReqHandler.SetParameter("mch_id", TenPayV3Info.MchId); //商户号 packageReqHandler.SetParameter("transaction_id", wxorderno); //填入微信订单号 packageReqHandler.SetParameter("out_trade_no", merorderno); //填入商家订单号 packageReqHandler.SetParameter("nonce_str", nonceStr); //随机字符串 string sign = packageReqHandler.CreateMd5Sign("key", TenPayV3Info.Key); packageReqHandler.SetParameter("sign", sign); //签名 string data = packageReqHandler.ParseXML(); var result = TenPayV3.OrderQuery(data); var res = XDocument.Parse(result); string openid = res.Element("xml").Element("sign").Value; return Content(openid); }
/// <summary> /// 退款申请接口 /// </summary> /// <returns></returns> public ActionResult Refund() { string nonceStr = TenPayV3Util.GetNoncestr(); RequestHandler packageReqHandler = new RequestHandler(null); //设置package订单参数 packageReqHandler.SetParameter("appid", TenPayV3Info.AppId); //公众账号ID packageReqHandler.SetParameter("mch_id", TenPayV3Info.MchId); //商户号 packageReqHandler.SetParameter("out_trade_no", ""); //填入商家订单号 packageReqHandler.SetParameter("out_refund_no", ""); //填入退款订单号 packageReqHandler.SetParameter("total_fee", ""); //填入总金额 packageReqHandler.SetParameter("refund_fee", ""); //填入退款金额 packageReqHandler.SetParameter("op_user_id", TenPayV3Info.MchId); //操作员Id,默认就是商户号 packageReqHandler.SetParameter("nonce_str", nonceStr); //随机字符串 string sign = packageReqHandler.CreateMd5Sign("key", TenPayV3Info.Key); packageReqHandler.SetParameter("sign", sign); //签名 //退款需要post的数据 string data = packageReqHandler.ParseXML(); //退款接口地址 string url = "https://api.mch.weixin.qq.com/secapi/pay/refund"; //本地或者服务器的证书位置(证书在微信支付申请成功发来的通知邮件中) string cert = @"F:\\apiclient_cert.p12"; //私钥(在安装证书时设置) string password = ""; ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult); //调用证书 X509Certificate2 cer = new X509Certificate2(cert, password, X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.MachineKeySet); #region 发起post请求 HttpWebRequest webrequest = (HttpWebRequest)HttpWebRequest.Create(url); webrequest.ClientCertificates.Add(cer); webrequest.Method = "post"; byte[] postdatabyte = Encoding.UTF8.GetBytes(data); webrequest.ContentLength = postdatabyte.Length; Stream stream; stream = webrequest.GetRequestStream(); stream.Write(postdatabyte, 0, postdatabyte.Length); stream.Close(); HttpWebResponse httpWebResponse = (HttpWebResponse)webrequest.GetResponse(); StreamReader streamReader = new StreamReader(httpWebResponse.GetResponseStream()); string responseContent = streamReader.ReadToEnd(); #endregion var res = XDocument.Parse(responseContent); string openid = res.Element("xml").Element("out_refund_no").Value; return Content(openid); }
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