public static wxPayReturnValue OAuth2_Access_Token(string Code)
{
StringBuilder sbCode = new StringBuilder(OAUTH2_ACCESS_TOKEN);
sbCode.Append("?appid=" + APPID);
sbCode.Append("&secret=" + APPSECRET);
sbCode.Append("&code=" + Code);
sbCode.Append("&grant_type=authorization_code");
wxPayReturnValue retValue = StreamReaderUtils.StreamReader(sbCode.ToString(), Encoding.UTF8);
if (retValue.HasError)
{
return(retValue);
}
try
{
UserAccessToken uat = JSONHelper.JSONToObject <UserAccessToken>(retValue.Message);
retValue.PutValue("Weixin_OpenID", uat.openid);
retValue.PutValue("Weixin_Token", uat.access_token);
//retValue.PutValue("Weixin_ExpiresIn", intWeixin_ExpiresIn);
//retValue.PutValue("Weixin_ExpiresDate", DateTime.Now.AddSeconds(intWeixin_ExpiresIn));
//retValue.PutValue("refresh_token", StringUtils.GetJsonValue(retValue.Message, "refresh_token").ToString());
//retValue.PutValue("scope", StringUtils.GetJsonValue(retValue.Message, "scope").ToString());
}
catch
{
retValue.HasError = true;
// retValue.Message = retValue.Message;
retValue.ErrorCode = "";
}
return(retValue);
}
// GET: area12/jsapiPay
public ActionResult Index()
{
string strBillNo = wxPayService.getTimestamp(); // 订单号
string strWeixin_OpenID = ""; // 当前用户的openid
string strCode = Request.QueryString["code"] == null ? "" : Request.QueryString["code"]; // 接收微信认证服务器发送来的code
LogService.Write("code:" + strCode);
if (string.IsNullOrEmpty(strCode)) //如果接收到code，则说明是OAuth2服务器回调
{
//进行OAuth2认证，获取code
string _OAuth_Url = wxPayService.OAuth2_GetUrl_Pay(Request.Url.ToString());
LogService.Write("_OAuth_Url:" + _OAuth_Url);
Response.Redirect(_OAuth_Url);
return(Content(""));
}
else
{
//根据返回的code，获得
wxPayReturnValue retValue = wxPayService.OAuth2_Access_Token(strCode);
if (retValue.HasError)
{
Response.Write("获取code失败：" + retValue.Message);
return(Content(""));
}
LogService.Write("retValue.Message:" + retValue.Message);
strWeixin_OpenID = retValue.GetStringValue("Weixin_OpenID");
string strWeixin_Token = retValue.GetStringValue("Weixin_Token");
LogService.Write("strWeixin_OpenID:" + strWeixin_OpenID);
if (string.IsNullOrEmpty(strWeixin_OpenID))
{
Response.Write("openid出错");
return(Content(""));
}
}
if (string.IsNullOrEmpty(strWeixin_OpenID))
{
return(Content(""));
}
wxpayPackage pp = wxPayService.MakePayPackage(strWeixin_OpenID, strBillNo, 0.01M, "测试");
// LogService.Write("_Pay_json1:" + _Pay_json);
ViewBag.appid = pp.appId;
ViewBag.nonceStr = pp.nonceStr;
ViewBag.package = pp.package;
ViewBag.paySign = pp.paySign;
ViewBag.signType = pp.signType;
ViewBag.timeStamp = pp.timeStamp;
return(View());
}
public static wxPayReturnValue StreamReaderLoop(string RequestURI, Encoding Encode)
{
HttpWebRequest req = WebRequest.Create(RequestURI) as HttpWebRequest;
HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
Stream stream = resp.GetResponseStream();
StreamReader reader = new StreamReader(stream, Encode);
wxPayReturnValue retValue = new wxPayReturnValue();
string strReturn = "";
int length = 0x400;
char[] buf = new char[length];
try
{
int i = 0;
do
{
i = reader.Read(buf, 0, length);
strReturn += new string(buf, 0, i);
Array.Clear(buf, 0, length);
} while (i > 0);
}
catch
{
int index = Array.IndexOf <char>(buf, '\0');
if (index >= 0)
{
strReturn += new string(buf, 0, index);
}
}
finally
{
reader.Close();
stream.Close();
resp.Close();
}
retValue.Message = strReturn;
return(retValue);
}
public ActionResult redpack()
{
string strBillNo = wxPayService.getTimestamp(); // 订单号
// 接收微信认证服务器发送来的code
string strCode = Request.QueryString["code"] == null ? "" : Request.QueryString["code"];
LogService.Write("code:" + strCode);
ViewBag.OpenId = "";
if (string.IsNullOrEmpty(strCode)) //如果接收到code，则说明是OAuth2服务器回调
{
//进行OAuth2认证，获取code
string _OAuth_Url = wxPayService.OAuth2_GetUrl_Pay(Request.Url.ToString());
LogService.Write("_OAuth_Url:" + _OAuth_Url);
Response.Redirect(_OAuth_Url);
return(View());
}
else
{
//根据返回的code，获得Access_Token
wxPayReturnValue retValue = wxPayService.OAuth2_Access_Token(strCode);
if (retValue.HasError)
{
Response.Write("获取code失败：" + retValue.Message);
return(Content(""));
}
LogService.Write("retValue.Message:" + retValue.Message);
string strWeixin_OpenID = retValue.GetStringValue("Weixin_OpenID");
string strWeixin_Token = retValue.GetStringValue("Weixin_Token");
LogService.Write("strWeixin_OpenID:" + strWeixin_OpenID);
ViewBag.OpenId = strWeixin_OpenID;
}
return(View());
}
//public static readonly string NOTIFY_URL_Card_Store = "/wx/WXPayNotify_URL.aspx";// ConfigurationManager.AppSettings["WXPayNotify_URL_CardStore"].ToString();
//public static readonly string NOTIFY_URL_Card_User = "******"; //ConfigurationManager.AppSettings["WXPayNotify_URL_CardUser"].ToString();
//public static readonly string NOTIFY_URL_HB_Store = "/wx/WXPayNotify_URL.aspx";// ConfigurationManager.AppSettings["WXPayNotify_URL_CardStore"].ToString();
/// <summary>
/// 生成支付Json字符串（发送给财付通的报文）
/// </summary>
/// <param name="openid">支付用户的openid</param>
/// <param name="Bill_No">订单号</param>
/// <param name="Charge_Amt">支付金额</param>
/// <param name="Body">支付描述</param>
/// <returns>支付Json字符串</returns>
public static wxpayPackage MakePayPackage(string openid, string Bill_No, decimal Charge_Amt, string Body)
{
HttpContext Context = System.Web.HttpContext.Current;
if (openid.Length == 0)
{
return(null);
}
// *********** here ************
//设置package订单参数
SortedDictionary <string, string> dic = new SortedDictionary <string, string>();
string total_fee = (Charge_Amt * 100).ToString("f0"); // 支付金额单位为分
string wx_timeStamp = ""; //时间戳
string wx_nonceStr = getNoncestr(); //随机字符串
dic.Add("appid", APPID); //微信APPID
dic.Add("mch_id", PARTNER); //商家的财付通帐号
dic.Add("device_info", "1000"); //设备号，可为空
dic.Add("nonce_str", wx_nonceStr); // 随机字符串
dic.Add("trade_type", "JSAPI"); //交易类型
dic.Add("attach", "att1"); // 附加数据
dic.Add("openid", openid); // 支付用户的openid
dic.Add("out_trade_no", Bill_No); //商家订单号
dic.Add("total_fee", total_fee); //商品金额,以分为单位(money * 100).ToString()
dic.Add("notify_url", TENPAY_NOTIFY.ToLower()); //接收财付通通知的URL
dic.Add("body", Body); //商品描述
dic.Add("spbill_create_ip", Context.Request.UserHostAddress); //用户的公网ip，不是商户服务器IP
string get_sign = MakeSignstr(dic, PARTNER_KEY);
string url = "https://api.mch.weixin.qq.com/pay/unifiedorder"; // 统一支付接口
// 支付接口
string _req_data = "<xml>";
_req_data += "<appid>" + APPID + "</appid>";
_req_data += "<attach><![CDATA[att1]]></attach>";
_req_data += "<body><![CDATA[" + Body + "]]></body> ";
_req_data += "<device_info><![CDATA[1000]]></device_info> ";
_req_data += "<mch_id><![CDATA[" + PARTNER + "]]></mch_id> ";
_req_data += "<openid><![CDATA[" + openid + "]]></openid> ";
_req_data += "<nonce_str><![CDATA[" + wx_nonceStr + "]]></nonce_str> ";
_req_data += "<notify_url><![CDATA[" + TENPAY_NOTIFY.ToLower() + "]]></notify_url> ";
_req_data += "<out_trade_no><![CDATA[" + Bill_No + "]]></out_trade_no> ";
_req_data += "<spbill_create_ip><![CDATA[" + Context.Request.UserHostAddress + "]]></spbill_create_ip> ";
_req_data += "<total_fee><![CDATA[" + total_fee + "]]></total_fee> ";
_req_data += "<trade_type><![CDATA[JSAPI]]></trade_type> ";
_req_data += "<sign><![CDATA[" + get_sign + "]]></sign> ";
_req_data += "</xml>";
//通知支付接口，拿到prepay_id
wxPayReturnValue retValue = StreamReaderUtils.StreamReader(url, Encoding.UTF8.GetBytes(_req_data), System.Text.Encoding.UTF8, true);
#region 获取prepay_id， 设置支付参数
XmlDocument xmldoc = new XmlDocument();
xmldoc.LoadXml(retValue.Message);
XmlNode Event = xmldoc.SelectSingleNode("/xml/prepay_id");
wxpayPackage pp = new wxpayPackage();
if (Event != null)
{
string _prepay_id = Event.InnerText;
SortedDictionary <string, string> pay_dic = new SortedDictionary <string, string>();
wx_timeStamp = getTimestamp();
wx_nonceStr = getNoncestr();
string _package = "prepay_id=" + _prepay_id;
pay_dic.Add("appId", APPID);
pay_dic.Add("timeStamp", wx_timeStamp);
pay_dic.Add("nonceStr", wx_nonceStr);
pay_dic.Add("package", _package);
pay_dic.Add("signType", "MD5");
string get_PaySign = MakeSignstr(pay_dic, PARTNER_KEY);
pp.appId = APPID;
pp.timeStamp = wx_timeStamp;
pp.nonceStr = wx_nonceStr;
pp.package = _package;
pp.paySign = get_PaySign;
pp.signType = "MD5";
}
#endregion
return(pp);
}
public ActionResult JSPay(decimal money)
{
if (Session["OpenID"] != null)
{
string q = Session["OpenID"].ToString();
var user = (from x in db.User where x.OpenID == q select x).FirstOrDefault();
if (user != null)
{
Session["ID"] = user.ID.ToString();
////ID = user.ID.ToString();
}
else
{
return(RedirectToAction("Login", "Home"));
}
}
string strBillNo = wxPayService.getTimestamp(); // 订单号
string strWeixin_OpenID = ""; // 当前用户的openid
string strCode = Request.QueryString["code"] == null ? "" : Request.QueryString["code"]; // 接收微信认证服务器发送来的code
if (string.IsNullOrEmpty(strCode)) //如果接收到code，则说明是OAuth2服务器回调
{
//进行OAuth2认证，获取code
string _OAuth_Url = wxPayService.OAuth2_GetUrl_Pay(Request.Url.ToString());
Response.Redirect(_OAuth_Url);
return(Content(""));
}
else
{
//根据返回的code，获得
wxPayReturnValue retValue = wxPayService.OAuth2_Access_Token(strCode);
if (retValue.HasError)
{
Response.Write("获取code失败：" + retValue.Message);
return(Content(""));
}
strWeixin_OpenID = retValue.GetStringValue("Weixin_OpenID");
string strWeixin_Token = retValue.GetStringValue("Weixin_Token");
if (string.IsNullOrEmpty(strWeixin_OpenID))
{
Response.Write("openid出错");
return(Content(""));
}
}
if (string.IsNullOrEmpty(strWeixin_OpenID))
{
return(Content(""));
}
wxpayPackage pp = wxPayService.MakePayPackage(strWeixin_OpenID, strBillNo, money, "微来时空");
// LogService.Write("_Pay_json1:" + _Pay_json);
ViewBag.appid = pp.appId;
ViewBag.nonceStr = pp.nonceStr;
ViewBag.package = pp.package;
ViewBag.paySign = pp.paySign;
ViewBag.signType = pp.signType;
ViewBag.timeStamp = pp.timeStamp;
ViewBag.money = money;
return(View());
}
public static wxPayReturnValue StreamReader(string RequestURI, byte[] RequestData, Encoding Encode, bool Post)
{
System.Net.ServicePointManager.Expect100Continue = true;
wxPayReturnValue retValue = new wxPayReturnValue();
if (Encode == null)
{
Encode = System.Text.Encoding.GetEncoding("utf-8");
}
string strReturnCode;
HttpWebRequest myHttpWebRequest = null;
//如果是发送HTTPS请求
if (RequestURI.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);
myHttpWebRequest = (HttpWebRequest)HttpWebRequest.Create(RequestURI);
myHttpWebRequest.ProtocolVersion = HttpVersion.Version10;
}
else
{
myHttpWebRequest = (HttpWebRequest)HttpWebRequest.Create(RequestURI);
}
try
{
byte[] bs;
if (Post)
{
myHttpWebRequest.Method = "POST";
myHttpWebRequest.ContentType = "application/x-www-form-urlencoded";
bs = RequestData;
myHttpWebRequest.ContentLength = bs.Length;
using (Stream reqStream = myHttpWebRequest.GetRequestStream())
{
reqStream.Write(bs, 0, bs.Length);
}
}
else
{
myHttpWebRequest.Method = "GET";
}
using (WebResponse myWebResponse = myHttpWebRequest.GetResponse())
{
StreamReader readStream = new StreamReader(myWebResponse.GetResponseStream(), Encode);
strReturnCode = readStream.ReadToEnd();
}
retValue.HasError = false;
retValue.Message = strReturnCode;
retValue.ReturnObject = null;
}
catch (Exception ex)
{
retValue.HasError = true;
retValue.Message = "请求接口信息出错";
retValue.ReturnObject = ex;
}
return(retValue);
}
