/**
*
* 查询订单
* @param WxPayData inputObj 提交给查询订单API的参数
* @param int timeOut 超时时间
* @throws WxPayException
* @return 成功时返回订单查询结果，其他抛异常
*/
public static WxPayData OrderQuery(WxPayData inputObj, int timeOut = 6)
{
string url = "https://api.mch.weixin.qq.com/pay/orderquery";
//检测必填参数
if (!inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id"))
{
throw new WxPayException("订单查询接口中，out_trade_no、transaction_id至少填一个！");
}
JsApiConfig jsApiConfig = new JsApiConfig();
inputObj.SetValue("appid", jsApiConfig.AppId); //公众账号ID
inputObj.SetValue("mch_id", jsApiConfig.Partner); //商户号
inputObj.SetValue("nonce_str", WxPayApi.GenerateNonceStr()); //随机字符串
inputObj.SetValue("sign", inputObj.MakeSign()); //签名
string xml = inputObj.ToXml();
var start = DateTime.Now;
string response = HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口提交数据
var end = DateTime.Now;
int timeCost = (int)((end - start).TotalMilliseconds);//获得接口耗时
//将xml格式的数据转化为对象以返回
WxPayData result = new WxPayData();
result.FromXml(response);
ReportCostTime(url, timeCost, result);//测速上报
return(result);
}
/**
*
* 撤销订单API接口
* @param WxPayData 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 int timeOut 接口超时时间
* @throws WxPayException
* @return 成功时返回API调用结果，其他抛异常
*/
public static WxPayData Reverse(WxPayData 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 WxPayException("撤销订单API接口中，参数out_trade_no和transaction_id必须填写一个！");
}
JsApiConfig jsApiConfig = new JsApiConfig();
inputObj.SetValue("appid", jsApiConfig.AppId); //公众账号ID
inputObj.SetValue("mch_id", jsApiConfig.Partner); //商户号
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
inputObj.SetValue("sign", inputObj.MakeSign()); //签名
string xml = inputObj.ToXml();
var start = DateTime.Now;//请求开始时间
string response = HttpService.Post(xml, url, true, timeOut);
var end = DateTime.Now;
int timeCost = (int)((end - start).TotalMilliseconds);
WxPayData result = new WxPayData();
result.FromXml(response);
ReportCostTime(url, timeCost, result);//测速上报
return(result);
}
/**
*
* 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。
* @param WxPayData inputObj 提交给转换短连接API的参数
* @param int timeOut 接口超时时间
* @throws WxPayException
* @return 成功时返回，其他抛异常
*/
public static WxPayData ShortUrl(WxPayData 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 WxPayException("需要转换的URL，签名用原串，传输需URL encode！");
}
JsApiConfig jsApiConfig = new JsApiConfig();
inputObj.SetValue("appid", jsApiConfig.AppId); //公众账号ID
inputObj.SetValue("mch_id", jsApiConfig.Partner); //商户号
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
inputObj.SetValue("sign", inputObj.MakeSign()); //签名
string xml = inputObj.ToXml();
var start = DateTime.Now;//请求开始时间
string response = HttpService.Post(xml, url, false, timeOut);
var end = DateTime.Now;
int timeCost = (int)((end - start).TotalMilliseconds);
WxPayData result = new WxPayData();
result.FromXml(response);
ReportCostTime(url, timeCost, result);//测速上报
return(result);
}
/**
*
* 申请退款
* @param WxPayData inputObj 提交给申请退款API的参数
* @param int timeOut 超时时间
* @throws WxPayException
* @return 成功时返回接口调用结果，其他抛异常
*/
public static WxPayData Refund(WxPayData 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 WxPayException("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 WxPayException("退款申请接口中，缺少必填参数out_refund_no！");
}
else if (!inputObj.IsSet("total_fee"))
{
throw new WxPayException("退款申请接口中，缺少必填参数total_fee！");
}
else if (!inputObj.IsSet("refund_fee"))
{
throw new WxPayException("退款申请接口中，缺少必填参数refund_fee！");
}
else if (!inputObj.IsSet("op_user_id"))
{
throw new WxPayException("退款申请接口中，缺少必填参数op_user_id！");
}
JsApiConfig jsApiConfig = new JsApiConfig();
inputObj.SetValue("appid", jsApiConfig.AppId); //公众账号ID
inputObj.SetValue("mch_id", jsApiConfig.Partner); //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();
var start = DateTime.Now;
string response = HttpService.Post(xml, url, true, timeOut);//调用HTTP通信接口提交数据到API
var 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
WxPayData result = new WxPayData();
result.FromXml(response);
ReportCostTime(url, timeCost, result);//测速上报
return(result);
}
/**
*
* 测速上报接口实现
* @param WxPayData inputObj 提交给测速上报接口的参数
* @param int timeOut 测速上报接口超时时间
* @throws WxPayException
* @return 成功时返回测速上报接口返回的结果，其他抛异常
*/
public static WxPayData Report(WxPayData 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 WxPayException("接口URL，缺少必填参数interface_url！");
}
if (!inputObj.IsSet("return_code"))
{
throw new WxPayException("返回状态码，缺少必填参数return_code！");
}
if (!inputObj.IsSet("result_code"))
{
throw new WxPayException("业务结果，缺少必填参数result_code！");
}
if (!inputObj.IsSet("user_ip"))
{
throw new WxPayException("访问接口IP，缺少必填参数user_ip！");
}
if (!inputObj.IsSet("execute_time_"))
{
throw new WxPayException("接口耗时，缺少必填参数execute_time_！");
}
JsApiConfig jsApiConfig = new JsApiConfig();
inputObj.SetValue("appid", jsApiConfig.AppId); //公众账号ID
inputObj.SetValue("mch_id", jsApiConfig.Partner); //商户号
inputObj.SetValue("user_ip", ToolHelper.GetIP()); //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();
string response = HttpService.Post(xml, url, false, timeOut);
WxPayData result = new WxPayData();
result.FromXml(response);
return(result);
}
/**
* @生成签名，详见签名生成算法
* @return 签名, sign字段不参加签名
*/
public string MakeSign()
{
//转url格式
string str = ToUrl();
//在string后加入API KEY
JsApiConfig jsApiConfig = new JsApiConfig();
str += "&key=" + jsApiConfig.Key;
//MD5加密
var md5 = MD5.Create();
var bs = md5.ComputeHash(Encoding.UTF8.GetBytes(str));
var sb = new StringBuilder();
foreach (byte b in bs)
{
sb.Append(b.ToString("x2"));
}
//所有字符转为大写
return(sb.ToString().ToUpper());
}
/// <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 static WxPayData GetNotifyData()
{
//接收从微信后台POST过来的数据
System.IO.Stream s = HttpContext.Current.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();
//转换数据格式并验证签名
WxPayData data = new WxPayData();
JsApiConfig jsApiConfig = new JsApiConfig();
try
{
data.FromXml(builder.ToString());
}
catch (WxPayException ex)
{
//若签名错误，则立即返回结果给微信支付后台
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", ex.Message);
HttpContext.Current.Response.Write(res.ToXml());
HttpContext.Current.Response.End();
}
return(data);
}
/**
* 下载对账单
* @param WxPayData inputObj 提交给下载对账单API的参数
* @param int timeOut 接口超时时间
* @throws WxPayException
* @return 成功时返回，其他抛异常
*/
public static WxPayData DownloadBill(WxPayData 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 WxPayException("对账单接口中，缺少必填参数bill_date！");
}
JsApiConfig jsApiConfig = new JsApiConfig();
inputObj.SetValue("appid", jsApiConfig.AppId); //公众账号ID
inputObj.SetValue("mch_id", jsApiConfig.Partner); //商户号
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
inputObj.SetValue("sign", inputObj.MakeSign()); //签名
string xml = inputObj.ToXml();
string response = HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API
WxPayData result = new WxPayData();
//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);
}
public static async Task <WxPayData> GetJSSDKConfig()
{
JsApiConfig jsApiConfig = new JsApiConfig();
string appid = jsApiConfig.AppId;
string secret = jsApiConfig.AppSecret;
string timestamp = WxPayApi.GenerateTimeStamp();
string noncestr = WxPayApi.GenerateNonceStr();
string signature = "";
//签名算法 https://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1421141115
//1. 获取AccessToken（有效期7200秒，开发者必须在自己的服务全局缓存access_token）
WxTicketHelper helper = new WxTicketHelper();
WxTicket wxticket = await helper.GetWxTicketAsync(WxTicketType.ACCESS_TOKEN);
string access_token = string.Empty;
if (wxticket == null || wxticket.ExpireTime < ConvertDateTimeInt(DateTime.Now))
{
string url1 = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + appid + "&secret=" + secret;
string result = HttpService.Get(url1);
JsonData jd = JsonMapper.ToObject(result);
if (!((System.Collections.IDictionary)jd).Contains("access_token"))
{
LogHelper.Error("access_token is null：" + result);
return(null);
}
access_token = (string)jd["access_token"];
await helper.SaveAsync(WxTicketType.ACCESS_TOKEN, new WxTicket
{
Ticket = access_token,
ExpireTime = ConvertDateTimeInt(DateTime.Now) + 7180
});
}
else
{
access_token = wxticket.Ticket;
}
//2. 用第一步拿到的access_token 采用http GET方式请求获得jsapi_ticket（有效期7200秒，开发者必须在自己的服务全局缓存jsapi_ticket）
wxticket = await helper.GetWxTicketAsync(WxTicketType.TICKET);
string ticket = string.Empty;
if (wxticket == null || wxticket.ExpireTime < ConvertDateTimeInt(DateTime.Now))
{
string url2 = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=" + access_token + "&type=jsapi";
string result2 = HttpService.Get(url2);
JsonData jd2 = JsonMapper.ToObject(result2);
if (!((System.Collections.IDictionary)jd2).Contains("ticket"))
{
return(null);
}
ticket = (string)jd2["ticket"];
await helper.SaveAsync(WxTicketType.TICKET, new WxTicket
{
Ticket = ticket,
ExpireTime = ConvertDateTimeInt(DateTime.Now) + 7180
});
}
else
{
ticket = wxticket.Ticket;
}
//3. 开始签名
Uri uri = HttpContext.Current.Request.Url;
string now_url = (uri.Scheme + "://" + uri.Host + HttpContext.Current.Request.RawUrl).Split('#')[0];
string no_jiami = $"jsapi_ticket={ticket}&noncestr={noncestr}×tamp={timestamp}&url={now_url}";
//SHA1加密
signature = SHA1_Hash(no_jiami);
WxPayData data = new WxPayData();
data.SetValue("appId", appid);
data.SetValue("timestamp", timestamp);
data.SetValue("nonceStr", noncestr);
data.SetValue("signature", signature);
return(data);
}
/**
*
* 统一下单
* @param WxPaydata inputObj 提交给统一下单API的参数
* @param int timeOut 超时时间
* @throws WxPayException
* @return 成功时返回，其他抛异常
*/
public static WxPayData UnifiedOrder(WxPayData inputObj, int timeOut = 6)
{
string url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
//检测必填参数
if (!inputObj.IsSet("out_trade_no"))
{
throw new WxPayException("缺少统一支付接口必填参数out_trade_no！");
}
else if (!inputObj.IsSet("body"))
{
throw new WxPayException("缺少统一支付接口必填参数body！");
}
else if (!inputObj.IsSet("total_fee"))
{
throw new WxPayException("缺少统一支付接口必填参数total_fee！");
}
else if (!inputObj.IsSet("trade_type"))
{
throw new WxPayException("缺少统一支付接口必填参数trade_type！");
}
//关联参数
if (inputObj.GetValue("trade_type").ToString() == "JSAPI" && !inputObj.IsSet("openid"))
{
throw new WxPayException("统一支付接口中，缺少必填参数openid！trade_type为JSAPI时，openid为必填参数！");
}
if (inputObj.GetValue("trade_type").ToString() == "NATIVE" && !inputObj.IsSet("product_id"))
{
throw new WxPayException("统一支付接口中，缺少必填参数product_id！trade_type为JSAPI时，product_id为必填参数！");
}
JsApiConfig jsApiConfig = new JsApiConfig();
//异步通知url未设置，则使用配置文件中的url
if (!inputObj.IsSet("notify_url"))
{
inputObj.SetValue("notify_url", jsApiConfig.Notify_url);//异步通知url
}
inputObj.SetValue("appid", jsApiConfig.AppId); //公众账号ID
inputObj.SetValue("mch_id", jsApiConfig.Partner); //商户号
inputObj.SetValue("spbill_create_ip", ToolHelper.GetIP()); //终端ip
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
//签名
inputObj.SetValue("sign", inputObj.MakeSign());
string xml = inputObj.ToXml();
var start = DateTime.Now;
string response = HttpService.Post(xml, url, false, timeOut);
var end = DateTime.Now;
int timeCost = (int)((end - start).TotalMilliseconds);
WxPayData result = new WxPayData();
result.FromXml(response);
ReportCostTime(url, timeCost, result);//测速上报
return(result);
}
public JsApiPay()
{
jsApiConfig = new JsApiConfig();
}
