授权流程 - 服务商从商家这里获取应用的authorizer_access_token #

// ArtisanCloud/PowerWechatTutorial.git/main.go
OpenPlatformApp, err := openPlatform.NewOpenPlatform(&openPlatform.UserConfig{
  AppID:  "", // 开放平台第三方平台 APPID
  Secret: "", // 开放平台第三方平台 Secret

  Token:  "", // 开放平台第三方平台 Token
  AESKey: "", // 开放平台第三方平台 AES Key

  Log: openPlatform.Log{
    Level: "debug",
    File:  "./wechat.log",
  }, // 日志输出位置
  Cache:     cache, // token缓存
  HttpDebug: true, // 打开后会显示PowerWeChat调用微信API的请求参数和响应结果
  Debug:     false,
})

// ArtisanCloud/PowerWechatTutorial.git/controllers/open-platform/server.go
func APIOpenPlatformCallback(context *gin.Context) {

  // 打印微信回调回来的xml body
	requestXML, _ := ioutil.ReadAll(context.Request.Body)
	context.Request.Body = ioutil.NopCloser(bytes.NewBuffer(requestXML))
	println(string(requestXML))

	var err error

  // PowerWechat提供的Handle函数，请初始化ervices.OpenPlatformApp，配置好相应的基本参数
	rs, err := services.OpenPlatformApp.Server.Notify(context.Request, func(event *openplatform.Callback, decrypted []byte, infoType string) (result interface{}) {

		result = kernel.SUCCESS_EMPTY_RESPONSE

		switch infoType {
		case openplatform.EVENT_COMPONENT_VERIFY_TICKET:
			msg := &openplatform.EventVerifyTicket{}
			err = xml.Unmarshal(decrypted, msg)
			//fmt.Dump(event)
			if err != nil {
				return err
			}
			// 在获取ComponentVerifyTicket后，可以直接通过SetTicket，保存在缓存中
			err = services.OpenPlatformApp.VerifyTicket.SetTicket(msg.ComponentVerifyTicket)
			if err != nil {
				return err
			}

			fmt.Dump(msg)
		case openplatform.EVENT_AUTHORIZED:
		default:
		}
		return result
	})

	if err != nil {
		panic(err)
	}

	err = rs.Write(context.Writer)
	if err != nil {
		panic(err)
	}

}

// ArtisanCloud/PowerWechatTutorial.git/controllers/open-platform/open-platform.go
func APIOpenPlatformPreAuthCode(ctx *gin.Context) {

	rs, err := services.OpenPlatformApp.Base.CreatePreAuthorizationCode(ctx.Request.Context())
	if err != nil {
		panic(err)
	}
	fmt.Dump(rs)
}

// ArtisanCloud/PowerWechatTutorial.git/controllers/open-platform/open-platform.go
func GetFastRegistrationURL(ctx *gin.Context) {

	url := services.OpenPlatformApp.GetFastRegistrationURL(ctx.Request.Context(), "https://michael.debug.artisancloud.cn/auth", &object.StringMap{
		"auth_type": "1",
	})

	fmt.Dump(url)
}

// ArtisanCloud/PowerWechatTutorial.git/routes/open-platform
apiRouter.GET("/auth", open_platform.HandleAuthorize)

// ArtisanCloud/PowerWechatTutorial.git/controllers/open-platform/open-platform.go
// HandleAuthorize Code换调用凭据信息
func HandleAuthorize(ctx *gin.Context) {
	authCode := ctx.DefaultQuery("authCode", "")
	res, err := services.OpenPlatformApp.Base.HandleAuthorize(ctx.Request.Context(), authCode)
	if err != nil {
		panic(err)
	}
	ctx.JSON(200, res)
}