hongze_web_mfyx/services/wx_pay.go

package services

import (
	"context"
	"fmt"
	"github.com/wechatpay-apiv3/wechatpay-go/core"
	"github.com/wechatpay-apiv3/wechatpay-go/services/payments/jsapi"
	"github.com/wechatpay-apiv3/wechatpay-go/services/payments/native"
	"hongze/hongze_web_mfyx/models/order"
	"hongze/hongze_web_mfyx/utils"
	"time"
)

//const (
//	//MchPKFileName = "../hongze_mfyx/utils/cert/apiclient_key.pem"
//	MchPKFileName              = "/home/code/wechat_cert/cygx/apiclient_key.pem"
//	Mchid                      = "1624495680"
//	MchCertificateSerialNumber = "5ED2719CFAE5205763034AD80BF4B8A33533C418"
//	MchAPIv3Key                = "W1tbnzQrzQ7yRRNuQCIHjis8dgdasKVX"
//)

// 微信商户建立连接
//func getWechatClient() (context.Context, *core.Client, error) {
//	// 使用 utils 提供的函数从本地文件中加载商户私钥，商户私钥会用来生成请求的签名
//	mchPrivateKey, err := payUtils.LoadPrivateKeyWithPath(MchPKFileName)
//	if err != nil {
//		log.Print("load merchant private key error")
//		return nil, nil, err
//	}
//	ctx := context.Background()
//	// 使用商户私钥等初始化 client，并使它具有自动定时获取微信支付平台证书的能力
//	opts := []core.ClientOption{
//		option.WithWechatPayAutoAuthCipher(Mchid, MchCertificateSerialNumber, mchPrivateKey, MchAPIv3Key),
//	}
//
//	client, err := core.NewClient(ctx, opts...)
//	if err != nil {
//		log.Printf("new wechat pay client err:%s", err)
//		return nil, nil, err
//	}
//	return ctx, client, nil
//}

//func init() {
//	ExampleNativeApiService_Prepay()
//}

func ExampleNativeApiServicePrepay(orderDetail *order.CygxOrder) (codeUrl string, err error) {
	defer func() {
		if err != nil {
			fmt.Println(err)
			go utils.SendAlarmMsg(fmt.Sprint("生成预支付交易单失败 ExampleNativeApiServicePrepay, err：", err.Error(), "OrderCode:", orderDetail.OrderCode), 2)
		}
	}()
	//如果是试用卡，商品名称就显示日卡月卡，如果是单场付费就显示，单场活动名称
	if orderDetail.OrderType == 1 {
		orderDetail.SourceTitle = "畅读" + orderDetail.GoodsName
	}
	//ctx, client, _ := getWechatClient()
	ctx := context.Background()
	svc := native.NativeApiService{Client: utils.WechatCertClient}
	resp, _, err := svc.Prepay(ctx,
		native.PrepayRequest{
			Appid:         core.String(utils.WxAppIdMfyx),
			Mchid:         core.String(utils.Mchid),
			Description:   core.String(orderDetail.SourceTitle),
			OutTradeNo:    core.String(orderDetail.OutTradeNo),
			TimeExpire:    core.Time(time.Now().Add(10 * time.Minute)),
			Attach:        core.String(""),
			NotifyUrl:     core.String(utils.WxPayJsapiNotifyUrl),
			GoodsTag:      core.String(""),
			SupportFapiao: core.Bool(false),
			Amount: &native.Amount{
				Currency: core.String("CNY"),
				Total:    core.Int64(int64(orderDetail.OrderMoney * 100)), // 分
			},
		},
	)

	if err != nil {
		fmt.Println(err)
		return
	}
	codeUrl = *resp.CodeUrl
	return
}

type WechatPayCallback struct {
	MchID          string    `json:"mchid"`
	AppID          string    `json:"appid"`
	OutTradeNo     string    `json:"out_trade_no"`
	TransactionID  string    `json:"transaction_id"`
	TradeType      string    `json:"trade_type"`
	TradeState     string    `json:"trade_state"`
	TradeStateDesc string    `json:"trade_state_desc"`
	BankType       string    `json:"bank_type"`
	Attach         string    `json:"attach"`
	SuccessTime    time.Time `json:"success_time"`
	Payer          struct {
		OpenID string `json:"openid"`
	} `json:"payer"`
	Amount struct {
		Total         int    `json:"total"`
		PayerTotal    int    `json:"payer_total"`
		Currency      string `json:"currency"`
		PayerCurrency string `json:"payer_currency"`
	} `json:"amount"`
}

// 订单超时手动关闭订单
func ExampleNativeApiService_CloseOrder(OutTradeNo string) {
	var err error
	defer func() {
		if err != nil {
			fmt.Println(err)
			go utils.SendAlarmMsg(fmt.Sprint("订单超时手动关闭订单 失败 ExampleNativeApiService_CloseOrder, err：", err.Error(), "OutTradeNo:", OutTradeNo), 2)
		}
	}()

	ctx := context.Background()
	svc := native.NativeApiService{Client: utils.WechatCertClient}
	_, err = svc.CloseOrder(ctx,
		native.CloseOrderRequest{
			OutTradeNo: core.String(OutTradeNo),
			Mchid:      core.String(utils.Mchid),
		},
	)
	return
}

// 订单超时手动关闭订单(两者功能更一样，与小程序端代码统一)
func ExampleJsapiApiService_CloseOrder(OutTradeNo string) {
	var err error
	defer func() {
		if err != nil {
			fmt.Println(err)
			go utils.SendAlarmMsg(fmt.Sprint("订单超时手动关闭订单 失败 ExampleJsapiApiService_CloseOrder, err：", err.Error(), "OutTradeNo:", OutTradeNo), 2)
		}
	}()

	ctx := context.Background()
	svc := jsapi.JsapiApiService{Client: utils.WechatCertClient}
	_, err = svc.CloseOrder(ctx,
		jsapi.CloseOrderRequest{
			OutTradeNo: core.String(OutTradeNo),
			Mchid:      core.String(utils.Mchid),
		},
	)
	return
}