用ASP.NET实现微信JS-SDK支付的实例详解

作者：匿名字体：[增加减小] 来源：互联网

匿名通过本文主要向大家介绍了ASP.NET,微信,jssdk,支付等相关知识,希望对您有所帮助,也希望大家支持linkedu.com www.linkedu.com

模型层实体类:

 public class JsEntities
 {
 /// <summary>
 /// 公众号id
 /// </summary>
 public string appId { get; set; }
 /// <summary>
 /// 时间戳
 /// </summary>
 public string timeStamp { get; set; }
 /// <summary>
 /// 随机字符串
 /// </summary>
 public string nonceStr { get; set; }
 /// <summary>
 /// 订单详情扩展字符串
 /// </summary>
 public string package { get; set; }
 /// <summary>
 /// 签名类型
 /// </summary>
 public string signType { get; set; }

 /// <summary>
 /// 签名
 /// </summary>
 public string paySign { get; set; }

 }

 public class UnifyEntities
 {
 /// <summary>
 /// 公众账号ID
 /// </summary>
 public string appid { get; set; }
 /// <summary>
 /// 微信支付分配的商户号
 /// </summary>
 public string mch_id { get; set; }
 /// <summary>
 /// 微信支付分配的终端设备号
 /// </summary>
 public string device_info { get; set; }
 /// <summary>
 /// 随机字符串，不长于32位
 /// </summary>
 public string nonce_str { get; set; }
 /// <summary>
 /// 签名
 /// </summary>
 public string sign { get; set; }
 /// <summary>
 /// 商品描述最大长度127
 /// </summary>
 public string body { get; set; }
 /// <summary>
 /// 附加数据，原样返回
 /// </summary>
 public string attach { get; set; }
 /// <summary>
 /// 商户系统内部的订单号,32 个字符内、可包含字母,确保在商户系统唯一,详细说明
 /// </summary>
 public string out_trade_no { get; set; }
 /// <summary>
 /// 订单总金额，单位为分，不能带小数点
 /// </summary>
 public string total_fee { get; set; }
 /// <summary>
 /// 终端IP
 /// </summary>
 public string spbill_create_ip { get; set; }
 /// <summary>
 /// 交易起始时间
 /// </summary>
 public string time_start { get; set; }
 /// <summary>
 /// 交易结束时间
 /// </summary>
 public string time_expire { get; set; }
 /// <summary>
 /// 接收微信支付成功通知
 /// </summary>
 public string notify_url { get; set; }
 /// <summary>
 /// JSAPI、NATIVE、APP
 /// </summary>
 public string trade_type { get; set; }
 /// <summary>
 /// 用户在商户appid下的唯一标识，trade_type为JSAPI 时，此参数必传
 /// </summary>
 public string openid { get; set; }
 /// <summary>
 /// 只在 trade_type 为 NATIVE 时需要填写。此id为二维码中包含的商品ID，商户自行维护。
 /// </summary>
 public string product_id { get; set; }
 }

 public class UnifyReceive
 {
 /// <summary>
 /// SUCCESS/FAIL此字段是通信标识，非交易标识，交易是否成功需要查看result_code来判断
 /// </summary>
 public string return_code { get; set; }
 /// <summary>
 /// 返回信息，如非空，为错误原因
 /// </summary>
 public string return_msg { get; set; }
 /// <summary>
 /// 微信分配的公众账号ID
 /// </summary>
 public string appid { get; set; }
 /// <summary>
 /// 微信支付分配的商户号
 /// </summary>
 public string mch_id { get; set; }
 /// <summary>
 /// 随机字符串，不长于32位
 /// </summary>
 public string nonce_str { get; set; }
 /// <summary>
 /// 签名
 /// </summary>
 public string sign { get; set; }
 /// <summary>
 /// 业务结果
 /// </summary>
 public string result_code { get; set; }
 /// <summary>
 /// 预支付ID
 /// </summary>
 public string prepay_id { get; set; }
 /// <summary>
 /// 交易类型
 /// </summary>
 public string trade_type { get; set; }
 /// <summary>
 /// 二维码链接
 /// </summary>
 public string code_url { get; set; }
 public UnifyReceive(string xml)
 {
  XElement doc = XElement.Parse(xml);
  return_code = doc.Element("return_code").Value;
  return_msg = doc.Element("return_msg").Value;
  if (return_code == "SUCCESS")
  {
  appid = doc.Element("appid").Value;
  mch_id = doc.Element("mch_id").Value;
  nonce_str = doc.Element("nonce_str").Value;
  sign = doc.Element("sign").Value;
  result_code = doc.Element("result_code").Value;
  if (result_code == "SUCCESS")
  {
   trade_type = doc.Element("trade_type").Value;
   prepay_id = doc.Element("prepay_id").Value;
   if (trade_type == "NATIVE")
   {
   code_url = doc.Element("code_url").Value;
   }
   trade_type = doc.Element("trade_type").Value;
  }
  }
 }
 }

TestJs.aspx内容:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="JsPay.aspx.cs" Inherits="WeChatPayDemo.JsPay" %>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <title></title>
 <script src="http://code.jquery.com/jquery-1.9.0.js"></script>
 <script src="Scripts/wxpay.js"></script>
 <script>
 $(function () {
  $("#submit").click(function () {
  var OID ="<%=openid%>";
  alert(OID);
  $.get("WxPay/WxPay.ashx?action=jspayparam", {
   body: $("#body").val(),
   total_fee: $("#price").val(),
   out_trade_no: $("#order").val(),
   trade_type: "JSAPI",
   msgid: "<%=openid%>"

  }, function (data) {
   WxPay.Pay(data.appId, data.timeStamp, data.nonceStr, data.package, data.signType, data.paySign, function () {
   alert("支付成功");
   });
  }, "json");

  });
 })
 </script>
</head>
<body>
 <form id="form1" runat="server">
 <p>
  商品描述：<input type="text" id="body" />
  商品价格：<input type="text" id="price" />
  订单号：<input type="text" id="order" />
  <input type="button" value="提交订单" id="submit" />
 </p>
 </form>
</body>
</html>

JsPay.aspx.cs代码:

 public partial class JsPay : System.Web.UI.Page
 {
 public string openid = "";
 protected void Page_Load(object sender, EventArgs e)
 {
  string code = Request["code"];
  if (string.IsNullOrEmpty(code))
  {
  //如果code没获取成功，重新拉取一遍
  GetAuthUrl("wxxxxxxxxxxxxxxxxxxxxxxx", "http://www.china101.net/JsPay.aspx");
  }

  openid = GetOpenID("wxxxxxxxxxxxxxxxxxxxxxxx", "dsdssdsdsdsdsdsdsdsdsd", JKRequest.GetQueryString("code"), () => { });
 }
 public string GetOpenID(string appid, string secret, string code, Action CallBack)
 {
  try
  {
  string retdata = Utils.HttpGet(string.Format("https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type=authorization_code", appid, secret, code));
  .LogHelper.WriteFile(retdata);
  JObject jobj = (JObject)JsonConvert.DeserializeObject(retdata);
  string openid = jobj.Value<string>("openid");
  return openid;
  }
  catch (Exception)
  {
  CallBack();
  return "";
  }
  // return GetUserInfo(access_token, openid);
 }

 /// <summary>
 /// 获取鉴权地址
 /// </summary>
 /// <param name="appid"></param>
 /// <param name="redirect_url"></param>
 /// <returns></returns>
 public void GetAuthUrl(string appid, string redirect_url)
 {
  Response.Redirect(string.Format("https://open.weixin.qq.com/connect/oauth2/authoriz

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用ASP.NET实现微信JS-SDK支付的实例详解

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