参考：
https://www.cnblogs.com/wangzhuxing/p/9738906.html#_label1_0
cunsumer
provider2
provider1
代码 ：springboot+dubbo 先启动dubbo-provider 后、再启动dubbo-provider2 后、再启动dubbo-consumer 访问：http://localhost:8080/sayHello?name=ddd
链接:https://pan.baidu.com/s/19Rd9nmY-GcvfBpF6pw2Q2g 密码:53bc
来源：oschina
链接：https://my.oschina.net/u/3730149/blog/4815813