/// <summary>
/// 生成直接支付url，支付url有效期为2小时,模式二
/// </summary>
/// <param name="productId">商品ID</param>
/// <param name="total_fee">订单总金额（单位：分）</param>
/// <returns></returns>
public string GetPayUrl(string productId, int total_fee)
{
Log.Info(this.GetType().ToString(), "Native pay mode 2 url is producing...");
WxData data = new WxData();
data.SetValue("body", productId); //商品描述
data.SetValue("attach", ""); //附加数据
data.SetValue("out_trade_no", productId); //随机字符串
data.SetValue("total_fee", total_fee); //总金额
data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss")); //交易起始时间
data.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss")); //交易结束时间
data.SetValue("goods_tag", ""); //商品标记
data.SetValue("trade_type", "NATIVE"); //交易类型
data.SetValue("product_id", productId); //商品ID
WxData result = WxPayApi.UnifiedOrder(data); //调用统一下单接口
if (!result.IsSet("code_url"))
{
Log.Error(this.GetType().ToString(), "UnifiedOrder response error!");
throw new WxException("UnifiedOrder response error!");
}
string url = result.GetValue("code_url").ToString(); //获得统一下单接口返回的二维码链接
Log.Info(this.GetType().ToString(), "Get native pay mode 2 url : " + url);
return(url);
}
/// <summary>
/// 转换短链接。
/// 该接口主要用于扫码原生支付模式一中的二维码链接转成短链接(weixin://wxpay/s/XXXXXX)，
/// 减小二维码数据量，提升扫描速度和精确度。
/// </summary>
/// <param name="inputObj">提交给转换短连接API的参数</param>
/// <param name="timeOut">接口超时时间</param>
/// <returns></returns>
public static WxData ShortUrl(WxData inputObj, int timeOut = 6)
{
string url = "https://api.mch.weixin.qq.com/tools/shorturl";
//检测必填参数
if (!inputObj.IsSet("long_url"))
{
throw new WxException("需要转换的URL，签名用原串，传输需URL encode！");
}
inputObj.SetValue("appid", WxConfig.APPID); //公众账号ID
inputObj.SetValue("mch_id", WxConfig.MCHID); //商户号
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
inputObj.SetValue("sign", inputObj.MakeSign()); //签名
string xml = inputObj.ToXml();
DateTime start = DateTime.Now; //请求开始时间
Log.Debug("WxPayApi", "转换短链接 request数据 : " + xml);
string response = HttpService.Post(xml, url, false, timeOut);
Log.Debug("WxPayApi", "转换短链接 response数据 : " + response);
DateTime end = DateTime.Now;
int timeCost = (int)((end - start).TotalMilliseconds);
WxData result = new WxData();
result.FromXml(response);
ReportCostTime(url, timeCost, result); //测速上报
return(result);
}
/// <summary>
/// 调用统一下单，获得下单结果
/// </summary>
/// <returns></returns>
public WxData GetUnifiedOrderResult()
{
//统一下单
WxData data = new WxData();
data.SetValue("body", body);
data.SetValue("attach", attach);
data.SetValue("out_trade_no", (string.IsNullOrEmpty(out_trade_no)) ? WxPayApi.GenerateOutTradeNo() : out_trade_no);
data.SetValue("total_fee", total_fee);
data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));
data.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss"));
data.SetValue("goods_tag", goods_tag);
data.SetValue("trade_type", "JSAPI");
data.SetValue("openid", openid);
data.SetValue("notify_url", notify_url);
WxData result = WxPayApi.UnifiedOrder(data);
if (!result.IsSet("appid") || !result.IsSet("prepay_id") || result.GetValue("prepay_id").ToString() == "")
{
Log.Error(this.GetType().ToString(), "UnifiedOrder response error!");
throw new WxException("UnifiedOrder response error!");
}
unifiedOrderResult = result;
return(result);
}
/// <summary>
/// 退款查询完整业务流程逻辑,退款查询结果（xml格式）
/// </summary>
/// <param name="refund_id">微信退款单号（优先使用）</param>
/// <param name="out_refund_no">商户退款单号</param>
/// <param name="transaction_id">微信订单号</param>
/// <param name="out_trade_no">商户订单号</param>
/// <returns></returns>
public static string Run(string refund_id, string out_refund_no, string transaction_id, string out_trade_no)
{
Log.Info("RefundQuery", "RefundQuery is processing...");
WxData data = new WxData();
if (!string.IsNullOrEmpty(refund_id))
{
data.SetValue("refund_id", refund_id);//微信退款单号，优先级最高
}
else if (!string.IsNullOrEmpty(out_refund_no))
{
data.SetValue("out_refund_no", out_refund_no);//商户退款单号，优先级第二
}
else if (!string.IsNullOrEmpty(transaction_id))
{
data.SetValue("transaction_id", transaction_id);//微信订单号，优先级第三
}
else
{
data.SetValue("out_trade_no", out_trade_no);//商户订单号，优先级最低
}
WxData result = WxPayApi.RefundQuery(data);//提交退款查询给API，接收返回数据
Log.Info("RefundQuery", "RefundQuery process complete, result : " + result.ToXml());
return(result.ToPrintStr());
}
/// <summary>
/// 撤销订单API接口。成功时返回API调用结果，其他抛异常
/// </summary>
/// <param name="inputObj">提交给撤销订单API接口的参数，out_trade_no和transaction_id必填一个</param>
/// <param name="timeOut">接口超时时间</param>
/// <returns></returns>
public static WxData Reverse(WxData inputObj, int timeOut = 6)
{
string url = "https://api.mch.weixin.qq.com/secapi/pay/reverse";
//检测必填参数
if (!inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id"))
{
throw new WxException("撤销订单API接口中，参数out_trade_no和transaction_id必须填写一个！");
}
inputObj.SetValue("appid", WxConfig.APPID); //公众账号ID
inputObj.SetValue("mch_id", WxConfig.MCHID); //商户号
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
inputObj.SetValue("sign", inputObj.MakeSign()); //签名
string xml = inputObj.ToXml();
DateTime start = DateTime.Now; //请求开始时间
Log.Debug("WxPayApi", "撤销订单 request数据 : " + xml);
string response = HttpService.Post(xml, url, true, timeOut);
Log.Debug("WxPayApi", "撤销订单 response数据 : " + response);
DateTime end = DateTime.Now;
int timeCost = (int)((end - start).TotalMilliseconds);
WxData result = new WxData();
result.FromXml(response);
ReportCostTime(url, timeCost, result); //测速上报
return(result);
}
/// <summary>
/// 查询订单，判断订单真实性。
/// 1、判断成功返回true。
/// 2、判断失败返回false，并主动发消息告诉微信后台。
/// </summary>
/// <param name="notifyData">微信支付后台发送过来的数据</param>
/// <returns></returns>
public bool IsTrueOrder(WxData notifyData)
{
//检查支付结果中transaction_id(微信支付订单号)是否存在
if (!notifyData.IsSet("transaction_id"))
{
//若transaction_id不存在，则立即返回结果给微信支付后台
ReturnErrorMsgToWx("支付结果中微信订单号不存在");
}
//微信支付订单号
string transaction_id = notifyData.GetValue("transaction_id").ToString();
WxData req = new WxData();
req.SetValue("transaction_id", transaction_id);
WxData res = WxPayApi.OrderQuery(req);
if (res.GetValue("return_code").ToString() == "SUCCESS" &&
res.GetValue("result_code").ToString() == "SUCCESS")
{
return(true);
}
else
{
ReturnErrorMsgToWx("订单查询失败！判断订单不存在！");
return(false);
}
}
/// <summary>
/// 接收从微信支付后台发送过来的数据并验证签名
/// </summary>
/// <returns>微信支付后台返回的数据</returns>
public WxData GetNotifyData()
{
//接收从微信后台POST过来的数据
System.IO.Stream s = page.Request.InputStream;
int count = 0;
byte[] buffer = new byte[1024];
StringBuilder builder = new StringBuilder();
while ((count = s.Read(buffer, 0, 1024)) > 0)
{
builder.Append(Encoding.UTF8.GetString(buffer, 0, count));
}
s.Flush();
s.Close();
s.Dispose();
Log.Info(this.GetType().ToString(), "从微信接收数据 : " + builder.ToString());
//转换数据格式并验证签名
WxData data = new WxData();
try
{
data.FromXml(builder.ToString());
}
catch (WxException ex)
{
//若签名错误，则立即返回结果给微信支付后台
ReturnErrorMsgToWx("签名检查错误 : " + ex.Message);
}
Log.Info(this.GetType().ToString(), "检查签名成功");
return(data);
}
/// <summary>
/// 关闭订单
/// </summary>
/// <param name="inputObj">提交给关闭订单API的参数</param>
/// <param name="timeOut">接口超时时间</param>
/// <returns></returns>
public static WxData CloseOrder(WxData inputObj, int timeOut = 6)
{
string url = "https://api.mch.weixin.qq.com/pay/closeorder";
//检测必填参数
if (!inputObj.IsSet("out_trade_no"))
{
throw new WxException("关闭订单接口中，out_trade_no必填！");
}
inputObj.SetValue("appid", WxConfig.APPID); //公众账号ID
inputObj.SetValue("mch_id", WxConfig.MCHID); //商户号
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
inputObj.SetValue("sign", inputObj.MakeSign()); //签名
string xml = inputObj.ToXml();
DateTime start = DateTime.Now; //请求开始时间
string response = HttpService.Post(xml, url, false, timeOut);
DateTime end = DateTime.Now;
int timeCost = (int)((end - start).TotalMilliseconds);
WxData result = new WxData();
result.FromXml(response);
ReportCostTime(url, timeCost, result); //测速上报
return(result);
}
/// <summary>
/// 申请退款完整业务流程逻辑,退款结果（xml格式）
/// </summary>
/// <param name="transaction_id">微信订单号（优先使用）</param>
/// <param name="out_trade_no">商户订单号</param>
/// <param name="total_fee">订单总金额</param>
/// <param name="refund_fee">退款金额</param>
/// <returns></returns>
public static string Run(string transaction_id, string out_trade_no, string total_fee, string refund_fee)
{
Log.Info("Refund", "Refund is processing...");
WxData data = new WxData();
if (!string.IsNullOrEmpty(transaction_id))//微信订单号存在的条件下，则已微信订单号为准
{
data.SetValue("transaction_id", transaction_id);
}
else//微信订单号不存在，才根据商户订单号去退款
{
data.SetValue("out_trade_no", out_trade_no);
}
data.SetValue("total_fee", int.Parse(total_fee)); //订单总金额
data.SetValue("refund_fee", int.Parse(refund_fee)); //退款金额
data.SetValue("out_refund_no", WxPayApi.GenerateOutTradeNo()); //随机生成商户退款单号
data.SetValue("op_user_id", WxConfig.MCHID); //操作员，默认为商户号
WxData result = WxPayApi.Refund(data); //提交退款申请给API，接收返回数据
Log.Info("Refund", "Refund process complete, result : " + result.ToXml());
return(result.ToPrintStr());
}
/// <summary>
/// 返回成功结果给微信
/// </summary>
public void ReturnSuccessMsgToWx()
{
WxData res = new WxData();
res.SetValue("return_code", "SUCCESS");
res.SetValue("return_msg", "OK");
ReturnMsgToWx(res);
}
/// <summary>
/// 返回失败结果给微信
/// </summary>
/// <param name="errMsg"></param>
public void ReturnErrorMsgToWx(string errMsg)
{
WxData res = new WxData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", errMsg);
ReturnMsgToWx(res);
}
/// <summary>
/// 下载对账单完整业务流程逻辑，成功返回对账单结果（xml格式）
/// </summary>
/// <param name="bill_date">下载对账单的日期（格式：20140603，一次只能下载一天的对账单）</param>
/// <param name="bill_type">账单类型（ALL，返回当日所有订单信息，默认值 ；SUCCESS，返回当日成功支付的订单；REFUND，返回当日退款订单；REVOKED，已撤销的订单；）</param>
/// <returns></returns>
public static string Run(string bill_date, string bill_type)
{
Log.Info("DownloadBill", "DownloadBill is processing...");
WxData data = new WxData();
data.SetValue("bill_date", bill_date); //账单日期
data.SetValue("bill_type", bill_type); //账单类型
WxData result = WxPayApi.DownloadBill(data); //提交下载对账单请求给API，接收返回结果
Log.Info("DownloadBill", "DownloadBill process complete, result : " + result.ToXml());
return(result.ToPrintStr());
}
/// <summary>
/// 申请退款，成功时返回接口调用结果，其他抛异常
/// </summary>
/// <param name="inputObj">提交给申请退款API的参数</param>
/// <param name="timeOut">超时时间</param>
/// <returns></returns>
public static WxData Refund(WxData inputObj, int timeOut = 6)
{
string url = "https://api.mch.weixin.qq.com/secapi/pay/refund";
//检测必填参数
if (!inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id"))
{
throw new WxException("退款申请接口中，out_trade_no、transaction_id至少填一个！");
}
else if (!inputObj.IsSet("out_refund_no"))
{
throw new WxException("退款申请接口中，缺少必填参数out_refund_no！");
}
else if (!inputObj.IsSet("total_fee"))
{
throw new WxException("退款申请接口中，缺少必填参数total_fee！");
}
else if (!inputObj.IsSet("refund_fee"))
{
throw new WxException("退款申请接口中，缺少必填参数refund_fee！");
}
else if (!inputObj.IsSet("op_user_id"))
{
throw new WxException("退款申请接口中，缺少必填参数op_user_id！");
}
inputObj.SetValue("appid", WxConfig.APPID); //公众账号ID
inputObj.SetValue("mch_id", WxConfig.MCHID); //商户号
inputObj.SetValue("nonce_str", Guid.NewGuid().ToString().Replace("-", "")); //随机字符串
inputObj.SetValue("sign", inputObj.MakeSign()); //签名
string xml = inputObj.ToXml();
DateTime start = DateTime.Now;
Log.Debug("WxPayApi", "退款申请 request数据 : " + xml);
string response = HttpService.Post(xml, url, true, timeOut); //调用HTTP通信接口提交数据到API
Log.Debug("WxPayApi", "退款申请 response数据 : " + response);
DateTime end = DateTime.Now;
int timeCost = (int)((end - start).TotalMilliseconds); //获得接口耗时
//将xml格式的结果转换为对象以返回
WxData result = new WxData();
result.FromXml(response);
ReportCostTime(url, timeCost, result); //测速上报
return(result);
}
/// <summary>
/// 通过code换取网页授权access_token和openid的返回数据，正确时返回的JSON数据包如下：
/// {
/// "access_token":"ACCESS_TOKEN",
/// "expires_in":7200,
/// "refresh_token":"REFRESH_TOKEN",
/// "openid":"OPENID",
/// "scope":"SCOPE",
/// "unionid": "o6_bmasdasdsad6_2sgVt7hMZOPfL"
/// }
/// 其中access_token可用于获取共享收货地址。
/// openid是微信支付jsapi支付接口统一下单时必须的参数。
/// 更详细的说明请参考网页授权获取用户基本信息：http://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html
/// </summary>
/// <param name="code"></param>
public void GetOpenidAndAccessTokenFromCode(string code)
{
try
{
//构造获取openid及access_token的url
WxData data = new WxData();
data.SetValue("appid", WxConfig.APPID);
data.SetValue("secret", WxConfig.APPSECRET);
data.SetValue("code", code);
data.SetValue("grant_type", "authorization_code");
string url = "https://api.weixin.qq.com/sns/oauth2/access_token?" + data.ToUrl();
//请求url以获取数据
string result = HttpService.Get(url);
Log.Debug(this.GetType().ToString(), "通过code换取网页授权(GetOpenidAndAccessTokenFromCode) response数据 : " + result);
JsonData jd = JsonMapper.ToObject(result);
string str_access_token = "";
try
{
str_access_token = (string)jd["access_token"];
if (!string.IsNullOrEmpty(str_access_token))
{
//保存access_token，用于收货地址获取
access_token = (string)jd["access_token"];
//获取用户openid
openid = (string)jd["openid"];
Log.Debug(this.GetType().ToString(), "Get openid : " + openid);
Log.Debug(this.GetType().ToString(), "Get access_token : " + access_token);
}
else
{
Log.Error(this.GetType().ToString(), "通过code换取网页授权失败 errcode : " + (string)jd["errcode"]);
Log.Error(this.GetType().ToString(), "通过code换取网页授权失败 errmsg : " + (string)jd["errmsg"]);
}
}
catch
{
Log.Error(this.GetType().ToString(), "通过code换取网页授权失败 errcode : " + (string)jd["errcode"]);
Log.Error(this.GetType().ToString(), "通过code换取网页授权失败 errmsg : " + (string)jd["errmsg"]);
}
}
catch (Exception ex)
{
Log.Error(this.GetType().ToString(), ex.ToString());
throw new WxException(ex.ToString());
}
}
protected void Page_Load(object sender, EventArgs e)
{
Notify notify = new Notify(this);
WxData notifyData = notify.GetNotifyData();
if (notify.IsTrueOrder(notifyData))
{
//商户订单号
string out_trade_no = notifyData.GetValue("out_trade_no").ToString();
//根据商户订单号处理商户订单
//返回成功消息给微信
notify.ReturnSuccessMsgToWx();
}
}
/// <summary>
/// 提交刷卡支付API。成功时返回调用结果，其他抛异常。
/// 收银员使用扫码设备读取微信用户刷卡授权码以后，二维码或条码信息传送至商户收银台，
/// 由商户收银台或者商户后台调用该接口发起支付。
/// </summary>
/// <param name="inputObj">提交给被扫支付API的参数</param>
/// <param name="timeOut">超时时间</param>
/// <returns></returns>
public static WxData Micropay(WxData inputObj, int timeOut = 10)
{
string url = "https://api.mch.weixin.qq.com/pay/micropay";
//检测必填参数
if (!inputObj.IsSet("body"))
{
throw new WxException("提交被扫支付API接口中，缺少必填参数body！");
}
else if (!inputObj.IsSet("out_trade_no"))
{
throw new WxException("提交被扫支付API接口中，缺少必填参数out_trade_no！");
}
else if (!inputObj.IsSet("total_fee"))
{
throw new WxException("提交被扫支付API接口中，缺少必填参数total_fee！");
}
else if (!inputObj.IsSet("auth_code"))
{
throw new WxException("提交被扫支付API接口中，缺少必填参数auth_code！");
}
inputObj.SetValue("spbill_create_ip", WxConfig.IP); //终端ip
inputObj.SetValue("appid", WxConfig.APPID); //公众账号ID
inputObj.SetValue("mch_id", WxConfig.MCHID); //商户号
inputObj.SetValue("nonce_str", Guid.NewGuid().ToString().Replace("-", "")); //随机字符串
inputObj.SetValue("sign", inputObj.MakeSign()); //签名
string xml = inputObj.ToXml();
DateTime start = DateTime.Now; //请求开始时间
Log.Debug("WxPayApi", "刷卡支付 request数据 : " + xml);
string response = HttpService.Post(xml, url, false, timeOut); //调用HTTP通信接口以提交数据到API
Log.Debug("WxPayApi", "刷卡支付 response数据 : " + response);
DateTime end = DateTime.Now;
int timeCost = (int)((end - start).TotalMilliseconds); //获得接口耗时
//将xml格式的结果转换为对象以返回
WxData result = new WxData();
result.FromXml(response);
ReportCostTime(url, timeCost, result); //测速上报
return(result);
}
/// <summary>
/// 获取收货地址js函数入口参数,详情请参考收货地址共享接口：http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_9
/// 返回值：共享收货地址js函数需要的参数，json格式可以直接做参数使用
/// </summary>
/// <returns></returns>
public string GetEditAddressParameters()
{
string parameter = "";
try
{
string scheme = page.Request.Url.Scheme;
string host = page.Request.Url.Host;
string path = page.Request.Path;
string queryString = page.Request.Url.Query;
//这个地方要注意，参与签名的是网页授权获取用户信息时微信后台回传的完整url
string url = scheme + "://" + host + path + queryString;
//构造需要用SHA1算法加密的数据
WxData signData = new WxData();
signData.SetValue("appid", WxConfig.APPID);
signData.SetValue("url", url);
signData.SetValue("timestamp", WxPayApi.GenerateTimeStamp());
signData.SetValue("noncestr", WxPayApi.GenerateNonceStr());
signData.SetValue("accesstoken", access_token);
string param = signData.ToUrl();
Log.Debug(this.GetType().ToString(), "SHA1 encrypt param : " + param);
//SHA1加密
string addrSign = FormsAuthentication.HashPasswordForStoringInConfigFile(param, "SHA1");
Log.Debug(this.GetType().ToString(), "SHA1 encrypt result : " + addrSign);
//获取收货地址js函数入口参数
WxData afterData = new WxData();
afterData.SetValue("appId", WxConfig.APPID);
afterData.SetValue("scope", "jsapi_address");
afterData.SetValue("signType", "sha1");
afterData.SetValue("addrSign", addrSign);
afterData.SetValue("timeStamp", signData.GetValue("timestamp"));
afterData.SetValue("nonceStr", signData.GetValue("noncestr"));
//转为json格式
parameter = afterData.ToJson();
Log.Debug(this.GetType().ToString(), "Get EditAddressParam : " + parameter);
}
catch (Exception ex)
{
Log.Error(this.GetType().ToString(), ex.ToString());
throw new WxException(ex.ToString());
}
return(parameter);
}
/// <summary>
/// 查询订单
/// </summary>
/// <param name="transaction_id"></param>
/// <returns></returns>
private bool QueryOrder(string transaction_id)
{
WxData req = new WxData();
req.SetValue("transaction_id", transaction_id);
WxData res = WxPayApi.OrderQuery(req);
if (res.GetValue("return_code").ToString() == "SUCCESS" &&
res.GetValue("result_code").ToString() == "SUCCESS")
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 测速上报接口实现。成功时返回测速上报接口返回的结果，其他抛异常
/// </summary>
/// <param name="inputObj">提交给测速上报接口的参数</param>
/// <param name="timeOut">测速上报接口超时时间（秒）</param>
/// <returns></returns>
public static WxData Report(WxData inputObj, int timeOut = 1)
{
string url = "https://api.mch.weixin.qq.com/payitil/report";
//检测必填参数
if (!inputObj.IsSet("interface_url"))
{
throw new WxException("接口URL，缺少必填参数interface_url！");
}
if (!inputObj.IsSet("return_code"))
{
throw new WxException("返回状态码，缺少必填参数return_code！");
}
if (!inputObj.IsSet("result_code"))
{
throw new WxException("业务结果，缺少必填参数result_code！");
}
if (!inputObj.IsSet("user_ip"))
{
throw new WxException("访问接口IP，缺少必填参数user_ip！");
}
if (!inputObj.IsSet("execute_time_"))
{
throw new WxException("接口耗时，缺少必填参数execute_time_！");
}
inputObj.SetValue("appid", WxConfig.APPID); //公众账号ID
inputObj.SetValue("mch_id", WxConfig.MCHID); //商户号
inputObj.SetValue("user_ip", WxConfig.IP); //终端ip
inputObj.SetValue("time", DateTime.Now.ToString("yyyyMMddHHmmss")); //商户上报时间
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
inputObj.SetValue("sign", inputObj.MakeSign()); //签名
string xml = inputObj.ToXml();
Log.Info("WxPayApi", "测试上报 request数据 : " + xml);
string response = HttpService.Post(xml, url, false, timeOut);
Log.Info("WxPayApi", "测试上报 response数据 : " + response);
WxData result = new WxData();
result.FromXml(response);
return(result);
}
/// <summary>
/// 生成扫描支付模式一URL
/// </summary>
/// <param name="productId">商品ID</param>
/// <returns></returns>
public string GetPrePayUrl(string productId)
{
Log.Info(this.GetType().ToString(), "Native pay mode 1 url is producing...");
WxData data = new WxData();
data.SetValue("appid", WxConfig.APPID); //公众帐号id
data.SetValue("mch_id", WxConfig.MCHID); //商户号
data.SetValue("time_stamp", WxPayApi.GenerateTimeStamp()); //时间戳
data.SetValue("nonce_str", WxPayApi.GenerateNonceStr()); //随机字符串
data.SetValue("product_id", productId); //商品ID
data.SetValue("sign", data.MakeSign()); //签名
string str = ToUrlParams(data.GetValues()); //转换为URL串
string url = "weixin://wxpay/bizpayurl?" + str;
Log.Info(this.GetType().ToString(), "Get native pay mode 1 url : " + url);
return(url);
}
/// <summary>
/// 从统一下单成功返回的数据中获取微信浏览器调起jsapi支付所需的参数，
/// 微信浏览器调起JSAPI时的输入参数格式如下：
/// {
/// "appId" : "wx2421b1c4370ec43b", //公众号名称，由商户传入
/// "timeStamp":" 1395712654", //时间戳，自1970年以来的秒数
/// "nonceStr" : "e61463f8efa94090b1f366cccfbbb444", //随机串
/// "package" : "prepay_id=u802345jgfjsdfgsdg888",
/// "signType" : "MD5", //微信签名方式:
/// "paySign" : "70EA570631E4BB79628FBCA90534C63FF7FADD89" //微信签名
/// }
/// 返回值：微信浏览器调起JSAPI时的输入参数，json格式可以直接做参数用。
/// 更详细的说明请参考网页端调起支付API：http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_7
/// </summary>
/// <returns></returns>
public string GetJsApiParameters()
{
Log.Debug(this.GetType().ToString(), "JsApiPay::GetJsApiParam is processing...");
WxData jsApiParam = new WxData();
jsApiParam.SetValue("appId", unifiedOrderResult.GetValue("appid"));
jsApiParam.SetValue("timeStamp", WxPayApi.GenerateTimeStamp());
jsApiParam.SetValue("nonceStr", WxPayApi.GenerateNonceStr());
jsApiParam.SetValue("package", "prepay_id=" + unifiedOrderResult.GetValue("prepay_id"));
jsApiParam.SetValue("signType", "MD5");
jsApiParam.SetValue("paySign", jsApiParam.MakeSign());
string parameters = jsApiParam.ToJson();
Log.Debug(this.GetType().ToString(), "Get jsApiParam : " + parameters);
return(parameters);
}
/// <summary>
/// 统一下单
/// </summary>
/// <param name="openId"></param>
/// <param name="productId"></param>
/// <returns></returns>
private WxData UnifiedOrder(string openId, string productId)
{
//统一下单
WxData req = new WxData();
req.SetValue("body", "test");
req.SetValue("attach", "test");
req.SetValue("out_trade_no", WxPayApi.GenerateOutTradeNo());
req.SetValue("total_fee", 1);
req.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));
req.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss"));
req.SetValue("goods_tag", "test");
req.SetValue("trade_type", "NATIVE");
req.SetValue("openid", openId);
req.SetValue("product_id", productId);
WxData result = WxPayApi.UnifiedOrder(req);
return(result);
}
/// <summary>
/// 订单查询完整业务流程逻辑，返回订单查询结果（xml格式）
/// </summary>
/// <param name="transaction_id">微信订单号（优先使用）</param>
/// <param name="out_trade_no">商户订单号</param>
/// <returns></returns>
public static string Run(string transaction_id, string out_trade_no)
{
Log.Info("OrderQuery", "OrderQuery is processing...");
WxData data = new WxData();
if (!string.IsNullOrEmpty(transaction_id))//如果微信订单号存在，则以微信订单号为准
{
data.SetValue("transaction_id", transaction_id);
}
else//微信订单号不存在，才根据商户订单号去查单
{
data.SetValue("out_trade_no", out_trade_no);
}
WxData result = WxPayApi.OrderQuery(data); //提交订单查询请求给API，接收返回数据
Log.Info("OrderQuery", "OrderQuery process complete, result : " + result.ToXml());
return(result.ToPrintStr());
}
/// <summary>
/// 查询订单，判断订单真实性。处理支付回调结果。
/// 1、判断成功，主动发消息告诉微信后台。
/// 2、判断失败，主动发消息告诉微信后台。
/// </summary>
public override void ProcessNotify()
{
WxData notifyData = GetNotifyData();
//检查支付结果中transaction_id(微信支付订单号)是否存在
if (!notifyData.IsSet("transaction_id"))
{
//若transaction_id不存在，则立即返回结果给微信支付后台
WxData res = new WxData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "支付结果中微信订单号不存在");
Log.Error(this.GetType().ToString(), "The Pay result is error : " + res.ToXml());
page.Response.Write(res.ToXml());
page.Response.End();
}
//微信支付订单号
string transaction_id = notifyData.GetValue("transaction_id").ToString();
//查询订单，判断订单真实性
if (!QueryOrder(transaction_id))
{
//若订单查询失败，则立即返回结果给微信支付后台
WxData res = new WxData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "订单查询失败");
Log.Error(this.GetType().ToString(), "Order query failure : " + res.ToXml());
page.Response.Write(res.ToXml());
page.Response.End();
}
//查询订单成功
else
{
WxData res = new WxData();
res.SetValue("return_code", "SUCCESS");
res.SetValue("return_msg", "OK");
Log.Info(this.GetType().ToString(), "order query success : " + res.ToXml());
page.Response.Write(res.ToXml());
page.Response.End();
}
}
protected void Page_Load(object sender, EventArgs e)
{
Log.Info(this.GetType().ToString(), "page load");
if (!IsPostBack)
{
string openid = Request.QueryString["openid"];
string total_fee = Request.QueryString["total_fee"];
//检测是否给当前页面传递了相关参数
if (string.IsNullOrEmpty(openid) || string.IsNullOrEmpty(total_fee))
{
Response.Write("<span style='color:#FF0000;font-size:20px'>" + "页面传参出错,请返回重试" + "</span>");
Log.Error(this.GetType().ToString(), "This page have not get params, cannot be inited, exit...");
submit.Visible = false;
return;
}
//若传递了相关参数，则调统一下单接口，获得后续相关接口的入口参数
JsApiPay jsApiPay = new JsApiPay(this);
jsApiPay.openid = openid;
jsApiPay.total_fee = int.Parse(total_fee);
//JSAPI支付预处理
try
{
WxData unifiedOrderResult = jsApiPay.GetUnifiedOrderResult();
wxJsApiParam = jsApiPay.GetJsApiParameters(); //获取H5调起JS API参数
Log.Debug(this.GetType().ToString(), "wxJsApiParam : " + wxJsApiParam);
//在页面上显示订单信息
Response.Write("<span style='color:#00CD00;font-size:20px'>订单详情：</span><br/>");
Response.Write("<span style='color:#00CD00;font-size:20px'>" + unifiedOrderResult.ToPrintStr() + "</span>");
}
catch (Exception ex)
{
Response.Write("<span style='color:#FF0000;font-size:20px'>" + "下单失败，请返回重试" + "</span>");
submit.Visible = false;
}
}
}
/// <summary>
/// 通过OpenID获取微信用户信息
/// </summary>
/// <returns></returns>
private WXUserInfo GetUserInfo(string openid, string ACCESS_TOKEN)
{
try
{
WxData data = new WxData();
data.SetValue("access_token", ACCESS_TOKEN);
data.SetValue("openid", openid);
data.SetValue("lang", "zh_CN");
string url = "https://api.weixin.qq.com/cgi-bin/user/info?" + data.ToUrl();
//请求url以获取数据
string result = WebRequestHelper.Get(url);
//保存用户信息
WXUserInfo wxuserinfo = JsonConvert.DeserializeObject <WXUserInfo>(result);
DAL.Log.Instance.Write("请求：" + data.ToUrl() + "，返回：" + result, "获取微信用户信息");
return(wxuserinfo);
}
catch (Exception ex)
{
DAL.Log.Instance.Write(ex.ToString(), "获取微信用户信息错误");
throw new Exception(ex.ToString());
}
}
/// <summary>
/// 生成签名
/// </summary>
/// <param name="noncestr">随机字符串</param>
/// <param name="timestamp">时间戳</param>
/// <param name="jsapi_ticket"></param>
/// <param name="url">调用JS接口页面的完整URL</param>
/// <returns></returns>
public static string MakeSign(string noncestr, string timestamp, string jsapi_ticket, string url)
{
if (string.IsNullOrEmpty(noncestr) || string.IsNullOrEmpty(timestamp) || string.IsNullOrEmpty(jsapi_ticket) || string.IsNullOrEmpty(url))
{
return("");
}
//构造需要用SHA1算法加密的数据
WxData signData = new WxData();
signData.SetValue("url", url);
signData.SetValue("timestamp", timestamp);
signData.SetValue("noncestr", noncestr);
signData.SetValue("jsapi_ticket", jsapi_ticket);
string param = signData.ToUrl();
Log.Debug("SHA1加密前参数", param);
//SHA1加密
string addrSign = FormsAuthentication.HashPasswordForStoringInConfigFile(param, "SHA1");
Log.Debug("SHA1加密后参数", addrSign);
return(addrSign);
}
/// <summary>
/// 查询退款，提交退款申请后，通过该接口查询退款状态。
/// 退款有一定延时，用零钱支付的退款20分钟内到账，银行卡支付的退款3个工作日后重新查询退款状态。
/// out_refund_no、out_trade_no、transaction_id、refund_id四个参数必填一个
/// </summary>
/// <param name="inputObj">提交给查询退款API的参数</param>
/// <param name="timeOut">接口超时时间</param>
/// <returns></returns>
public static WxData RefundQuery(WxData inputObj, int timeOut = 6)
{
string url = "https://api.mch.weixin.qq.com/pay/refundquery";
//检测必填参数
if (!inputObj.IsSet("out_refund_no") && !inputObj.IsSet("out_trade_no") &&
!inputObj.IsSet("transaction_id") && !inputObj.IsSet("refund_id"))
{
throw new WxException("退款查询接口中，out_refund_no、out_trade_no、transaction_id、refund_id四个参数必填一个！");
}
inputObj.SetValue("appid", WxConfig.APPID); //公众账号ID
inputObj.SetValue("mch_id", WxConfig.MCHID); //商户号
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
inputObj.SetValue("sign", inputObj.MakeSign()); //签名
string xml = inputObj.ToXml();
DateTime start = DateTime.Now; //请求开始时间
Log.Debug("WxPayApi", "退款查询 request数据 : " + xml);
string response = HttpService.Post(xml, url, false, timeOut); //调用HTTP通信接口以提交数据到API
Log.Debug("WxPayApi", "退款查询 response数据 : " + response);
DateTime end = DateTime.Now;
int timeCost = (int)((end - start).TotalMilliseconds); //获得接口耗时
//将xml格式的结果转换为对象以返回
WxData result = new WxData();
result.FromXml(response);
ReportCostTime(url, timeCost, result); //测速上报
return(result);
}
/// <summary>
/// 下载对账单
/// </summary>
/// <param name="inputObj">提交给下载对账单API的参数</param>
/// <param name="timeOut">接口超时时间</param>
/// <returns></returns>
public static WxData DownloadBill(WxData inputObj, int timeOut = 6)
{
string url = "https://api.mch.weixin.qq.com/pay/downloadbill";
//检测必填参数
if (!inputObj.IsSet("bill_date"))
{
throw new WxException("对账单接口中，缺少必填参数bill_date！");
}
inputObj.SetValue("appid", WxConfig.APPID); //公众账号ID
inputObj.SetValue("mch_id", WxConfig.MCHID); //商户号
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
inputObj.SetValue("sign", inputObj.MakeSign()); //签名
string xml = inputObj.ToXml();
Log.Debug("WxPayApi", "下载对账单 request数据 : " + xml);
string response = HttpService.Post(xml, url, false, timeOut); //调用HTTP通信接口以提交数据到API
Log.Debug("WxPayApi", "下载对账单 result数据 : " + response);
WxData result = new WxData();
//若接口调用失败会返回xml格式的结果
if (response.Substring(0, 5) == "<xml>")
{
result.FromXml(response);
}
//接口调用成功则返回非xml格式的数据
else
{
result.SetValue("result", response);
}
return(result);
}
/// <summary>
/// 网页授权获取用户基本信息的全部过程。
/// 详情请参看网页授权获取用户基本信息：http://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html。
/// 第一步：利用url跳转获取code。
/// 第二步：利用code去获取openid和access_token。
/// 第三步：拉取用户信息（scopeType＝1时）
/// </summary>
/// <param name="scopeType">0：snsapi_base；1：snsapi_userinfo；</param>
public void GetOpenidAndAccessToken(int scopeType)
{
if (!string.IsNullOrEmpty(page.Request.QueryString["code"]))
{
//获取code码，以获取openid和access_token
string code = page.Request.QueryString["code"];
Log.Debug(this.GetType().ToString(), "网页授权获取用户基本信息Get code : " + code);
GetOpenidAndAccessTokenFromCode(code);
if (scopeType == 1)
{
GetUserInfoFromOpenidAndAccessToken(openid, access_token);
}
}
else
{
//构造网页授权获取code的URL
//取提交页面的完整URL，包括请求参数
string redirect_uri = HttpUtility.UrlEncode(page.Request.Url.ToString());
WxData data = new WxData();
data.SetValue("appid", WxConfig.APPID);
data.SetValue("redirect_uri", redirect_uri);
data.SetValue("response_type", "code");
data.SetValue("scope", (scopeType == 0) ? "snsapi_base" : "snsapi_userinfo");
data.SetValue("state", "STATE" + "#wechat_redirect");
string url = "https://open.weixin.qq.com/connect/oauth2/authorize?" + data.ToUrl();
Log.Debug(this.GetType().ToString(), "网页授权获取用户基本信息跳转到URL : " + url);
try
{
//触发微信返回code码
//Redirect函数会抛出ThreadAbortException异常，不用处理这个异常
page.Response.Redirect(url);
}
catch (System.Threading.ThreadAbortException ex)
{
}
}
}
