init

.gitignore

@@ -0,0 +1 @@
+.idea

README.md

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+# 支付
+
+### 微信支付
+
+```go
+package main
+
+import (
+	"context"
+	"git.oa00.com/go/wxpay"
+	"github.com/wechatpay-apiv3/wechatpay-go/core"
+	"github.com/wechatpay-apiv3/wechatpay-go/services/payments/app"
+	"github.com/wechatpay-apiv3/wechatpay-go/services/payments/jsapi"
+	"log"
+	"time"
+)
+
+func main() {
+	// 初始化配置
+	if err := pay.InitWxpay(pay.Config{
+		MchID:                      "mchID",                      // 支付商户号
+		MchAPIv3Key:                "mchAPIv3Key",                // apiV3密钥
+		PrivateKey:                 "privateKey",                 // 私钥证书密钥
+		PrivateCert:                "privateCert",                // 私钥证书
+	}); err != nil {
+		log.Panicln("微信支付错误:", err)
+	}
+
+	// app支付
+	apiService := app.AppApiService{Client: pay.Wxpay.Client}
+	result, _, err := apiService.PrepayWithRequestPayment(context.Background(), app.PrepayRequest{
+		Appid:       core.String("appid"),
+		Mchid:       core.String("mchID"),
+		Description: core.String("subject"),
+		OutTradeNo:  core.String("payNo"),
+		TimeExpire:  core.Time(time.Now().Add(time.Minute * time.Duration(15))),
+		NotifyUrl:   core.String("notifyURL"),
+		Amount: &app.Amount{
+			Total:    core.Int64(int64(0.01 * 100)),
+			Currency: core.String("CNY"),
+		},
+	})
+	log.Println(result, err)
+
+	// 小程序/微信公众号支付
+	apiService := jsapi.JsapiApiService{Client: pay.Wxpay.Client}
+	result, _, err = apiService.PrepayWithRequestPayment(context.Background(), jsapi.PrepayRequest{
+		Appid:       core.String("appid"),
+		Mchid:       core.String("mchID"),
+		Description: core.String("subject"),
+		OutTradeNo:  core.String("payNo"),
+		TimeExpire:  core.Time(time.Now().Add(time.Minute * time.Duration(15))),
+		NotifyUrl:   core.String("notifyURL"),
+		Amount: &jsapi.Amount{
+			Total:    core.Int64(int64(0.01 * 100)),
+			Currency: core.String("CNY"),
+		},
+		Payer: &jsapi.Payer{
+			Openid: core.String("openId"),
+		},
+	})
+	log.Println(result, err)
+	
+	// 详细使用文档见 https://github.com/wechatpay-apiv3/wechatpay-go
+}
+```

go.mod

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+module git.oa00.com/go/wxpay
+
+go 1.17
+
+require (
+	git.oa00.com/go/rsa v1.0.0
+	github.com/wechatpay-apiv3/wechatpay-go v0.2.11
+)

go.sum

@@ -0,0 +1,16 @@
+git.oa00.com/go/rsa v1.0.0 h1:cscSyfYeNxqUjEt/rUiPjPlqeZW/pdLDqVTrS64llJM=
+git.oa00.com/go/rsa v1.0.0/go.mod h1:y4272MGmgvdEGcXIcPRBwteDo/zeqTEtRpqJBpK1Luk=
+github.com/agiledragon/gomonkey v2.0.2+incompatible h1:eXKi9/piiC3cjJD1658mEE2o3NjkJ5vDLgYjCQu0Xlw=
+github.com/agiledragon/gomonkey v2.0.2+incompatible/go.mod h1:2NGfXu1a80LLr2cmWXGBDaHEjb1idR6+FVlX5T3D9hw=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/wechatpay-apiv3/wechatpay-go v0.2.11 h1:KEVmn6VxFeoCdnTno4yLOWMmdG/wS7KWURzeuVXH6RU=
+github.com/wechatpay-apiv3/wechatpay-go v0.2.11/go.mod h1:W8ucVAOCKOii933cWROLaDLmRQ2cg/vHHVF4vGAVq9Q=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

wxpay.go

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+package wxpay
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"git.oa00.com/go/rsa"
+	"github.com/wechatpay-apiv3/wechatpay-go/core"
+	"github.com/wechatpay-apiv3/wechatpay-go/core/auth/verifiers"
+	"github.com/wechatpay-apiv3/wechatpay-go/core/downloader"
+	"github.com/wechatpay-apiv3/wechatpay-go/core/notify"
+	"github.com/wechatpay-apiv3/wechatpay-go/core/option"
+)
+
+var Wxpay = wxpay{}
+
+type wxpay struct {
+	Client  *core.Client
+	Handler *notify.Handler
+}
+type Config struct {
+	MchID       string // 商户号
+	MchAPIv3Key string // 商户APIv3密钥
+	PrivateKey  string // 私钥
+	PrivateCert string // 私钥证书
+}
+
+// InitWxpay @Title 初始化微信支付
+func InitWxpay(config Config) error {
+	// 加载私钥
+	privateKey, err := rsa.ParsePrivateKey(config.PrivateKey, rsa.PKCS8)
+	if err != nil {
+		return errors.New("私钥错误")
+	}
+	// 加载私钥证书
+	certificate, err := rsa.ParseCertificate(config.PrivateCert)
+	if err != nil {
+		return errors.New("证书错误")
+	}
+	// 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(config.MchID, fmt.Sprintf("%x", certificate.SerialNumber), privateKey, config.MchAPIv3Key),
+	}
+	Wxpay.Client, err = core.NewClient(context.Background(), opts...)
+	if err != nil {
+		return errors.New("微信支付错误")
+	}
+
+	// 获取商户号对应的微信支付平台证书访问器
+	certVisitor := downloader.MgrInstance().GetCertificateVisitor(config.MchID)
+	// 使用证书访问器初始化 `notify.Handler`
+	Wxpay.Handler = notify.NewNotifyHandler(config.MchAPIv3Key, verifiers.NewSHA256WithRSAVerifier(certVisitor))
+	return nil
+}