SKIT.FlurlHttpClient.Wechat.TenpayV3

# 通过 NuGet 安装
> Install-Package SKIT.FlurlHttpClient.Wechat.TenpayV3

# 通过 dotnet-tools 安装
> dotnet add package SKIT.FlurlHttpClient.Wechat.TenpayV3

using SKIT.FlurlHttpClient.Wechat.TenpayV3;
using SKIT.FlurlHttpClient.Wechat.TenpayV3.Settings;

var manager = new InMemoryCertificateManager();
var options = new WechatTenpayClientOptions()
{
    MerchantId = "微信商户号",
    MerchantV3Secret = "微信商户 v3 API 密钥",
    MerchantCertificateSerialNumber = "微信商户证书序列号",
    MerchantCertificatePrivateKey = System.IO.File.ReadAllText("/微信商户证书私钥文件路径/apiclient_key.pem"),
    PlatformCertificateManager = manager // 平台证书管理器的具体用法请参阅下文的基础用法与加密、验签有关的章节
};
var client = WechatTenpayClientBuilder.Create(options).Build();

using SKIT.FlurlHttpClient.Wechat.TenpayV3;
using SKIT.FlurlHttpClient.Wechat.TenpayV3.Models;

/* 以 JSAPI 统一下单接口为例 */
var request = new CreatePayTransactionJsapiRequest()
{
    OutTradeNumber = "商户订单号",
    AppId = "微信 AppId",
    Description = "订单描述",
    ExpireTime = DateTimeOffset.Now.AddMinutes(15),
    NotifyUrl = "https://example.com",
    Amount = new CreatePayTransactionJsapiRequest.Types.Amount()
    {
        Total = 1
    },
    Payer = new CreatePayTransactionJsapiRequest.Types.Payer()
    {
        OpenId = "微信 OpenId"
    }
};
var response = await client.ExecuteCreatePayTransactionJsapiAsync(request);
if (response.IsSuccessful())
{
    Console.WriteLine("PrepayId：" + response.PrepayId);
}
else
{
    Console.WriteLine("错误代码：" + response.ErrorCode);
    Console.WriteLine("错误描述：" + response.ErrorMessage);
}