support springboot1 and springboot2

spring-cloud-alibaba-examples/nacos-example/nacos-gateway-example/nacos-gateway-discovery-example/pom.xml

@@ -32,6 +32,10 @@
             <artifactId>spring-boot-starter-actuator</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-loadbalancer</artifactId>
+        </dependency>
     </dependencies>
 
     <build>

spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-consumer-sample/pom.xml

@@ -100,6 +100,11 @@
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-consul-discovery</artifactId>
         </dependency>
+
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-bootstrap</artifactId>
+        </dependency>
     </dependencies>
 
     <build>