修改微信退款使用商户号问题，问诊使用新商户号

extend/weChat/certs/1659662936/apiclient_cert.pem

@@ -0,0 +1,25 @@
+-----BEGIN CERTIFICATE-----
+MIIENzCCAx+gAwIBAgIUEvql9hcIt5W7UzeukVSU4twsqHswDQYJKoZIhvcNAQEL
+BQAwXjELMAkGA1UEBhMCQ04xEzARBgNVBAoTClRlbnBheS5jb20xHTAbBgNVBAsT
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+NzFCNjU0MjJFMTJCMjdBOUQzM0E4N0FEMUNERjU5MjZFMTQwMzcxMA0GCSqGSIb3
+DQEBCwUAA4IBAQAe4CfX/m0Xz6aI/Studd5pbdb/M7cyTjTwYSoBUNKtEmBwQFCu
+CsFOEGuqmhq4ciMkooDWY/6mccgluZtdiYB8PQAIk1+IKBgpmhSuJP6yONecoit0
+JBWzFeSLkBxKkq6CfHhb9wW4EK0oPtgE6LjqLMj13fLy+Mxf4Eu4fgSlsdgGLpBt
+bXIPbL12bCcP5hJLGRoLbECyx9LaOe1D9RAxwcTx/i+8C1s3IajkkyZnoPasLMs6
+cdSIp20QSct0klMgpEobmV+Z59NMKAQC/pbaSRrT/PDHUTDAuwA7W+COALg6H26c
+MAGyeSTnwhc9WccmohKPgi3UcXh/Sn84QqSs
+-----END CERTIFICATE-----

extend/weChat/certs/1659662936/apiclient_key.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQDwiDZdx8FBDNgs
+3q0ebuBm1J70SQ41ZmhG5qh5WmEVK6xgyBf0Ot0BG3FIfjz/s2dBq5Z+4Rk+XcD4
++nvI8Jlb7RKjvJoQUM8px+jGVDjVX8Y+y+T3//r2bQfzzxinbqWfbVLqHajq2y8n
+BPMVpklAz6yhGfYjhGGps6dLPXz1sHGTPFX+BqsfHfSLZxSY1ZhfGiCX7L3Bjbyl
+g+OCVM2SLXLFs/7K88UQB9pqBiDPHjX9VDZt5OquN3X6EW2a8lplSMsOPccmwCs5
+uXuEOM/IwsBqEFoLNrUheLjNP0sSto9V0Rp1ZsEc3HQ6v6wj5W6spx12clIfE3te
+eNBySmSvAgMBAAECggEBAOVndDqjLozFHFRHGGOjKgDJHsUr/BIwFpowmVQMP/V6
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+ZLA9FhtsaZpvOeNSZoVh3z0sblKUOvhXvL+jgRQK4PkCgYEA+M0QxM3VXst+deDr
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+hec5KFYTOYttzk9oOLgXLFM6zm0CgYEA933lgvPITFykd2kGKg1v4oA52PPmq9LT
+2dvVkDpIxioaUUHPALwFLhHLT+w/RPwCfP9gqZAQQFAfpMiTezm+ULA54rLHF2Tj
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++Fp2FmNyUrLwGAtehL2yJmm0s8IFyTPUew7kSCDxJbaz2377k4mymet86iFYoGNx
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+McyzYov2AnNehn24vsXC3SCXT804KPOX8RY4he63zWMGaLfCmSq1fhsJnf2pvffK
+W+9ZXlIH6dwgQ9QyDNjKRVCGwTASsWOyqgn1Be0VDuuoXlREyGNQSn2RpvL1SMFH
+PW/ePgdfoFkzU5WFJFPnvlU2
+-----END PRIVATE KEY-----

extend/weChat/certs/1659662936/wechatpay_5B5C8A69CC86D1127F6B6AA06AAAF10531EEFE90.pem

@@ -0,0 +1,24 @@
+-----BEGIN CERTIFICATE-----
+MIIEFDCCAvygAwIBAgIUW1yKacyG0RJ/a2qgaqrxBTHu/pAwDQYJKoZIhvcNAQEL
+BQAwXjELMAkGA1UEBhMCQ04xEzARBgNVBAoTClRlbnBheS5jb20xHTAbBgNVBAsT
+FFRlbnBheS5jb20gQ0EgQ2VudGVyMRswGQYDVQQDExJUZW5wYXkuY29tIFJvb3Qg
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+ZW4wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQClp0R6MR6NwEkqRJNF
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+MDM3MTANBgkqhkiG9w0BAQsFAAOCAQEAhWwscSAE1OBR3AGBOuFHs3vFJ+y37z5/
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++bGGGwuIhziWpK9qvr3RPU1j+0bggHhIre+cNolnh1FepS4Gt964zhx6THtrS/jI
+I64UBBh6moBq7zB5QYloBhW464c7GCEEv5/AdcxGhAe+vuL/mkVRNsSRxVPIxPE6
++qoIiNBmQvL/mL+4UKfX6b9h4wrUQUdQP3ljRdpL3a5YTMTUJuoJSQ==
+-----END CERTIFICATE-----

extend/weChat/weChatPay.go

@@ -8,7 +8,6 @@ import (
 	"github.com/wechatpay-apiv3/wechatpay-go/services/refunddomestic"
 	"github.com/wechatpay-apiv3/wechatpay-go/utils"
 	"hospital-admin-api/config"
-	"path/filepath"
 )
 
 type RefundRequest struct {
@@ -21,9 +20,25 @@ type RefundRequest struct {
 }
 
 // Refund 退款
-func (r RefundRequest) Refund() (*refunddomestic.Refund, error) {
+func (r RefundRequest) Refund(orderType int) (*refunddomestic.Refund, error) {
+	mchId := ""
+
+	if orderType == 1 {
+		// 问诊
+		mchId = "1659662936"
+	} else if orderType == 2 || orderType == 3 {
+		// 药品/检测
+		mchId = "1636644248"
+	}
+
+	if mchId == "" {
+		return nil, errors.New("商户号错误")
+	}
+
+	certsDir := "extend/weChat/certs/" + mchId + "/apiclient_key.pem"
+
 	// 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
-	certsDir := filepath.Join("extend/weChat/certs", "/1636644248/apiclient_key.pem")
+	// certsDir := filepath.Join("extend/weChat/certs", "/1636644248/apiclient_key.pem")
 	mchPrivateKey, err := utils.LoadPrivateKeyWithPath(certsDir)
 	if err != nil {
 		return nil, errors.New("微信签名生成失败")