先启动 euraka 然后启动其他的
testservice 对应 spring-demo-testservice /spring-demo-testservice2
testdemoservice 对应 spring-demo-testservice3/spring-demo-testservice4
测试url
测试 testservice localhost:8805/demo1/plus?numa=15&numb=16
测试 testdemoservice localhost:8805/demo2/plusdemo?numc=15&numd=16