启动 Nacos [Docker 环境]：
cd samples/springcloud/docker
run docker-compose.yml/services
启动 SpringCloud [Java 环境]：
cd samples/springcloud/server
# the port is 8074
run auth-service
# the port is 8071
run user-service
启动 Pixiu:
go run cmd/pixiu/*.go gateway start -c samples/springcloud/pixiu/conf.yaml
通过 Pixiu 调用 SpringCloud 服务：
# the serviceId is `user-provider`
curl http://localhost:8888/user-service/echo/Pixiu
# the serviceId is `auth-provider`
curl http://localhost:8888/auth-service/echo/Pixiu
控制台输出结果：
Hello Nacos Discovery Pixiu