/// <summary>
/// 获取微信支付异步通知参数和签名验证结果
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public Message GetPayNotityResult(string ApiKey, Dictionary <string, string> Parameters)
{
var result = new Message();
if (TenPaySign.CheckSign(Parameters, ApiKey))
{//验证签名
if (Parameters["return_code"] == "SUCCESS")
{
if (Parameters["result_code"] == "SUCCESS")
{ //支付成功
result.state = true;
result.data = Parameters["out_trade_no"]; //商户订单号
result.error = "支付成功";
}
else
{
result.error = Parameters["err_code_des"];
}
}
else
{
result.error = Parameters["return_msg"];
}
}
else
{
result.error = "签名验证失败";
}
return(result);
}
/// <summary>
/// 查询订单退款状态
/// </summary>
/// <param name="config">公共参数</param>
/// <param name="out_refund_no">商户退款单号</param>
/// <returns></returns>
public static Message RefundQuery(TenPayConfig config, string out_refund_no)
{
var RequsetParam = new Dictionary<string, string>();
RequsetParam.Add("appid", config.appid);
RequsetParam.Add("mch_id", config.mch_id);
RequsetParam.Add("nonce_str", TenPayConfig.nonce_str());
RequsetParam.Add("out_refund_no", out_refund_no);
RequsetParam.Add("sign_type", "MD5");
string sign = TenPaySign.CreateSign(RequsetParam, config.key);//创建签名
RequsetParam.Add("sign", sign);
string RequestData = TenPayHelp.InstallXml(RequsetParam);//组装数据
//微信支付统一查询API地址
string sUrl = "https://api.mch.weixin.qq.com/pay/refundquery";
string sResult = TenPayHelp.HttpPost(sUrl, RequestData);//调用接口
var ResponeData = TenPayHelp.GetDictionaryFromCDATAXml(sResult);
Message Msg = new Message();
if (TenPaySign.CheckSign(ResponeData, config.key))
{//验证签名
if (ResponeData["return_code"] == "SUCCESS")
{
if (ResponeData["result_code"] == "SUCCESS")
{
if (ResponeData["refund_status_0"] == "SUCCESS")
{
Msg.state = true;
Msg.error = "退款成功";
}
else
{
if (ResponeData["refund_status_0"] == "PROCESSING")
Msg.error = "退款处理中";
if (ResponeData["refund_status_0"] == "REFUNDCLOSE")
Msg.error = "退款关闭";
if (ResponeData["refund_status_0"] == "CHANGE")
Msg.error = "退款异常";
}
}
else
{
Msg.error = ResponeData["err_code_des"];//错误信息描述
}
}
else
{
Msg.error = ResponeData["return_msg"];
}
}
else
{
Msg.error = sResult;
}
return Msg;
}
/// <summary>
/// 微信申请退款
/// </summary>
/// <param name="config">公共参数</param>
/// <param name="out_trade_no"></param>
/// <param name="out_refund_no"></param>
/// <param name="total_fee"></param>
/// <param name="refund_fee"></param>
/// <param name="refund_desc"></param>
/// <returns></returns>
public static Message PayRefund(TenPayConfig config,string out_trade_no, string out_refund_no, string total_fee, string refund_fee,string refund_desc)
{
var RequsetParam = new Dictionary<string, string>();
RequsetParam.Add("appid", config.appid);
RequsetParam.Add("mch_id", config.mch_id);
RequsetParam.Add("nonce_str", TenPayConfig.nonce_str());
RequsetParam.Add("sign_type", "MD5");
RequsetParam.Add("out_trade_no", out_trade_no);
RequsetParam.Add("out_refund_no", out_refund_no);
RequsetParam.Add("total_fee", total_fee);
RequsetParam.Add("refund_fee", refund_fee);
if (!string.IsNullOrEmpty(refund_desc))
{//退款原因
RequsetParam.Add("refund_desc", refund_desc);
}
string sign = TenPaySign.CreateSign(RequsetParam, config.key);//创建签名
RequsetParam.Add("sign", sign);
string RequestData = TenPayHelp.InstallXml(RequsetParam);//组装数据
//微信退款申请API
string sUrl = "https://api.mch.weixin.qq.com/secapi/pay/refund";
string sResult = TenPayHelp.HttpPost(sUrl, RequestData, true, config);//调用接口
var ResponeData = TenPayHelp.GetDictionaryFromCDATAXml(sResult);
Message result = new Message();
if (TenPaySign.CheckSign(ResponeData, config.key))
{//验证签名
if (ResponeData["return_code"] == "SUCCESS")
{
if (ResponeData["result_code"] == "SUCCESS")
{
result.state = true;
result.error = "退款申请成功";
}
else
{
result.error = ResponeData["err_code_des"];//错误信息描述
}
}
else
{
result.error = ResponeData["return_msg"];
}
}
else
{
result.error = sResult;
}
result.data = sResult;
return result;
}
/// <summary>
/// 统一下单支付接口
/// </summary>
/// <param name="config">公共参数</param>
/// <param name="body">描述</param>
/// <param name="out_trade_no">商户系统内部的订单编号</param>
/// <param name="total_fee">订单总金额，单位为分</param>
/// <param name="spbill_create_ip">APP和网页支付提交用户端ip，Native支付填调用微信支付API的机器IP.</param>
/// <param name="notify_url">接收微信支付异步通知回调地址,不能携带参数</param>
/// <returns></returns>
public static Message UniteOrder_First(TenPayConfig config, string body, string out_trade_no, string total_fee, string spbill_create_ip, string notify_url, int time_expire=2)
{
/************************* 调用微信统一支付API所必需的参数******************************************/
//公众账号ID appid 微信分配的公众账号ID（企业号corpid即为此appId）
//商户号 mch_id 微信支付分配的商户号
//随机字符串 nonce_str 随机字符串，不长于32位。推荐随机数生成算法
//签名 sign 签名，详见签名生成算法
//商品描述 body 商品或支付单简要描述
//商户订单号 out_trade_no 商户系统内部的订单号,32个字符内、可包含字母, 其他说明见商户订单号
//总金额 total_fee 订单总金额，单位为分，详见支付金额
//终端IP spbill_create_ip APP和网页支付提交用户端ip，Native支付填调用微信支付API的机器IP。
//通知地址 notify_url 接收微信支付异步通知回调地址，通知url必须为直接可访问的url，不能携带参数。
//交易类型 trade_type 取值如下：JSAPI，NATIVE，APP，详细说明见参数规定
//商品ID product_id trade_type=NATIVE，此参数必传。此id为二维码中包含的商户定义的商品id或者订单号，商户自行定义。
/************************* 调用微信统一支付API所必需的参数******************************************/
var Dic = new Dictionary<string, string>();
Dic.Add("appid", config.appid);
Dic.Add("mch_id", config.mch_id);
Dic.Add("nonce_str", TenPayConfig.nonce_str());
Dic.Add("body", body);
Dic.Add("out_trade_no", out_trade_no);
Dic.Add("total_fee", total_fee);
Dic.Add("spbill_create_ip", spbill_create_ip);
Dic.Add("notify_url", notify_url);
Dic.Add("trade_type", "MWEB");//新h5模式
Dic.Add("time_expire", DateTime.Now.AddHours(time_expire).ToString("yyyyMMddHHmmss"));//订单的失效时间
string sign = TenPaySign.CreateSign(Dic, config.key);//创建签名
Dic.Add("sign", sign);
string RequestData = TenPayHelp.InstallXml(Dic);
//请求统一下单支付API
string sUrl = "https://api.mch.weixin.qq.com/pay/unifiedorder";
string sResult = TenPayHelp.HttpPost(sUrl, RequestData);//调用接口
var Parameters = TenPayHelp.GetDictionaryFromCDATAXml(sResult);
Message Msg = new Message();
if (TenPaySign.CheckSign(Parameters,config.key))
{//验证签名
if (Parameters["return_code"] == "SUCCESS")
{
if (Parameters["result_code"] == "SUCCESS")
{//统一下单成功
Msg.state = true;
Msg.data = Parameters["mweb_url"];
}
else
{//统一下单失败
Msg.error = Parameters["err_code_des"];//错误信息描述
}
}
else
{
Msg.error = Parameters["return_msg"];
}
}
else
{
Msg.error = sResult;
}
return Msg;
}