General.Web/Controllers/API/WeChatPayController.cs

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using System.Text.Json;
using System.Threading.Tasks;
using Essensoft.AspNetCore.Payment.WeChatPay;
using Essensoft.AspNetCore.Payment.WeChatPay.Request;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Options;
using General.Mvc.Models.Pay;

namespace General.Mvc.Controllers.API
{
    public class WeChatPayController : Controller
    {
        private readonly IWeChatPayClient _client;
        private readonly IOptions<WeChatPayOptions> _optionsAccessor;

        public WeChatPayController(IWeChatPayClient client, IOptions<WeChatPayOptions> optionsAccessor)
        {
            _client = client;
            _optionsAccessor = optionsAccessor;
        }

        /// <summary>
        /// 微信支付指引页
        /// </summary>
        public IActionResult Index()
        {
            return View();
        }

        /// <summary>
        /// 刷卡支付
        /// </summary>
        [HttpGet]
        public IActionResult MicroPay()
        {
            return View();
        }

        /// <summary>
        /// 刷卡支付
        /// </summary>
        /// <param name="viewModel"></param>
        [HttpPost]
        public async Task<IActionResult> MicroPay(WeChatPayMicroPayViewModel viewModel)
        {
            var request = new WeChatPayMicroPayRequest
            {
                Body = viewModel.Body,
                OutTradeNo = viewModel.OutTradeNo,
                TotalFee = viewModel.TotalFee,
                SpBillCreateIp = viewModel.SpBillCreateIp,
                AuthCode = viewModel.AuthCode
            };
            var response = await _client.ExecuteAsync(request, _optionsAccessor.Value);
            ViewData["response"] = response.ResponseBody;
            return View();
        }

        /// <summary>
        /// 公众号支付