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@@ -0,0 +1,96 @@
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+package cygx
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+
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+import (
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+ "context"
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+ "fmt"
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+ "github.com/wechatpay-apiv3/wechatpay-go/core"
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+ "github.com/wechatpay-apiv3/wechatpay-go/core/option"
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+ "github.com/wechatpay-apiv3/wechatpay-go/services/refunddomestic"
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+ payUtils "github.com/wechatpay-apiv3/wechatpay-go/utils"
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+ "hongze/hz_crm_api/models/cygx"
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+ "hongze/hz_crm_api/services/alarm_msg"
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+ "log"
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+)
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+
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+const (
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+ //MchPKFileName = "./utils/cert/apiclient_key.pem"
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+ //MchPKFileName = "../cert/cygx/apiclient_key.pem"
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+ MchPKFileName = "../hongze_mfyx/utils/cert/apiclient_key.pem"
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+ Mchid = "1624495680"
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+ MchCertificateSerialNumber = "5ED2719CFAE5205763034AD80BF4B8A33533C418"
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+ MchAPIv3Key = "W1tbnzQrzQ7yRRNuQCIHjis8dgdasKVX"
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+)
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+
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+// 微信商户建立连接
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+func getWechatClient() (context.Context, *core.Client, error) {
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+ var err error
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+ defer func() {
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+ if err != nil {
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+ fmt.Println(err)
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+ go alarm_msg.SendAlarmMsg(fmt.Sprint("微信商户建立连接失败 getWechatClient, err：", err.Error()), 2)
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+ }
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+ }()
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+ // 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
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+ mchPrivateKey, err := payUtils.LoadPrivateKeyWithPath(MchPKFileName)
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+ if err != nil {
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+ log.Print("load merchant private key error")
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+ return nil, nil, err
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+ }
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+ ctx := context.Background()
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+ // 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
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+ opts := []core.ClientOption{
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+ option.WithWechatPayAutoAuthCipher(Mchid, MchCertificateSerialNumber, mchPrivateKey, MchAPIv3Key),
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+ }
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+ client, err := core.NewClient(ctx, opts...)
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+ if err != nil {
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+ log.Printf("new wechat pay client err:%s", err)
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+ return nil, nil, err
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+ }
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+ return ctx, client, nil
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+}
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+
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+// 微信商户退款
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+func RefundsApiService(orderDetail *cygx.CygxOrderResp) (statusCode int, err error) {
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+ defer func() {
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+ if err != nil {
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+ fmt.Println(err)
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+ go alarm_msg.SendAlarmMsg(fmt.Sprint("生成预支付交易单失败 ExampleJsapiApiServicePrepay, err：", err.Error()), 2)
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+ }
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+ }()
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+ ctx, client, err := getWechatClient()
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+ if err != nil {
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+ log.Printf("getWechatClientt err:%s", err)
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+ return
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+ }
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+
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+ svc := refunddomestic.RefundsApiService{Client: client}
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+ resp, result, err := svc.Create(ctx,
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+ refunddomestic.CreateRequest{
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+ //SubMchid: core.String(Mchid),
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+ TransactionId: core.String(orderDetail.OutTradeCode),
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+ OutTradeNo: core.String(orderDetail.OrderCode),
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+ OutRefundNo: core.String("RE" + orderDetail.OrderCode),
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+ Reason: core.String("退款"),
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+ NotifyUrl: core.String("https://testmfyx.hzinsights.com/api/wechat/wxpay/refunds/notify"),
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+ FundsAccount: refunddomestic.REQFUNDSACCOUNT_AVAILABLE.Ptr(),
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+ Amount: &refunddomestic.AmountReq{
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+ Currency: core.String("CNY"),
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+ //From: []refunddomestic.FundsFromItem{refunddomestic.FundsFromItem{
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+ // Account: refunddomestic.ACCOUNT_AVAILABLE.Ptr(),
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+ // Amount: core.Int64(444),
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+ //}},
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+ Refund: core.Int64(int64(orderDetail.PayMoney * 100)),
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+ Total: core.Int64(int64(orderDetail.PayMoney * 100)),
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+ },
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+ },
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+ )
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+ statusCode = result.Response.StatusCode
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+ if err != nil {
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+ // 处理错误
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+ log.Printf("call Create err:%s", err)
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+ } else {
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+ // 处理返回结果
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+ log.Printf("status=%d resp=%s", result.Response.StatusCode, resp)
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+ }
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+ return
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+}
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xingzai