func main()

in example/nacos_client/nacos_client.go [35:124]
65 lines of code
8 McCabe index (conditional complexity)

func main() {

	//Create ShenYuNacosClient start
	//set nacos env configuration
	ncp := &nacos_client.NacosClientParam{
		IpAddr:      "console.nacos.io",
		Port:        80,
		NamespaceId: "e525eafa-f7d7-4029-83d9-008937f9d468",
	}

	sdkClient := shenyu_sdk_client.GetFactoryClient(constants.NACOS_CLIENT)
	result, createResult, err := sdkClient.NewClient(ncp)
	if !createResult && err != nil {
		fmt.Printf("Create ShenYuNacosClient error : %v", err)
	}

	nc := &nacos_client.ShenYuNacosClient{
		NacosClient: result.(*naming_client.NamingClient),
	}
	//Create ShenYuNacosClient end

	//RegisterServiceInstance start
	//metaData is necessary param, this will be register to shenyu gateway to use
	metaData := &model.URIRegister{
		Protocol:    "testMetaDataRegister", //require user provide
		AppName:     "testURLRegister",      //require user provide
		ContextPath: "contextPath",          //require user provide
		RPCType:     constants.RPCTYPE_HTTP, //require user provide
		Host:        "127.0.0.1",            //require user provide
		Port:        "8080",                 //require user provide
	}
	metaDataStringJson, _ := json.Marshal(metaData)

	//init NacosRegisterInstance
	nacosRegisterInstance := vo.RegisterInstanceParam{
		Ip:          "10.0.0.10", //require user provide
		Port:        8848,        //require user provide
		ServiceName: "demo.go",   //require user provide
		Weight:      10,          //require user provide
		Enable:      true,        //require user provide
		Healthy:     true,        //require user provide
		Ephemeral:   true,        //require user provide
		GroupName:   "group-a",   //require user provide
		ClusterName: "cluster-a", // default value is DEFAULT
		Metadata:    map[string]string{"contextPath": "contextPath", "uriMetadata": string(metaDataStringJson)},
	}

	registerResult, err := nc.RegisterServiceInstance(nacosRegisterInstance)
	if !registerResult && err != nil {
		fmt.Printf("Register nacos Instance error : %v", err)
	}
	//RegisterServiceInstance end

	time.Sleep(time.Second)

	//GetServiceInstanceInfo start
	queryData := vo.SelectInstancesParam{
		ServiceName: "demo.go",
		GroupName:   "group-a",             //default: DEFAULT_GROUP
		Clusters:    []string{"cluster-a"}, // default: DEFAULT
		HealthyOnly: true,
	}

	instanceInfo, err := nc.GetServiceInstanceInfo(queryData)
	if instanceInfo == nil {
		fmt.Printf("Register nacos Instance error : %v", err)
	}
	fmt.Printf("GetServiceInstanceInfo result : %v", instanceInfo)
	//GetServiceInstanceInfo end

	time.Sleep(time.Second)

	//DeregisterServiceInstance start
	deregisterInstanceParam := vo.DeregisterInstanceParam{
		Ip:          "10.0.0.10",
		Port:        8848,
		ServiceName: "demo.go",
		Ephemeral:   true,
		Cluster:     "cluster-a", // default value is DEFAULT
		GroupName:   "group-a",   // default value is DEFAULT_GROUP
	}

	serviceInstance, err := nc.DeregisterServiceInstance(deregisterInstanceParam)
	if !serviceInstance && err != nil {
		fmt.Printf("DeregisterServiceInstance result : %v", serviceInstance)
	}
	//DeregisterServiceInstance end

	//do your logic
}