SCB-434 add @get sample code and update readme

Signed-off-by: zhengyangyong <yangyong.zheng@huawei.com>

Author: zhengyangyong

samples/jaxrs-sample/README.md

@@ -64,4 +64,5 @@ To consume a provider-service, only need to decalare a member of a service API t
 
    On the consumer side, you can see the following outputs if the consumer can invoke the producer:
    1. *'Hello Java Chassis'* means the consumer calls sayhi by RpcReference successfully
-   2. *'Hello person ServiceComb/Java Chassis'* means the consumer calls sayhello by RpcReference successfully
+   2. *'Hello person ServiceComb/Java Chassis'* means the consumer calls sayhello by RpcReference successfully
+   3. *'Bye !'* means the consumer calls saybye by RestTemplate successfully

samples/jaxrs-sample/jaxrs-consumer/pom.xml

@@ -50,6 +50,10 @@
             <groupId>org.apache.servicecomb</groupId>
             <artifactId>provider-pojo</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.apache.servicecomb</groupId>
+            <artifactId>provider-springmvc</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>

samples/jaxrs-sample/jaxrs-consumer/src/main/java/org/apache/servicecomb/samples/jaxrs/consumer/JaxrsConsumerMain.java

@@ -19,9 +19,11 @@
 import org.apache.servicecomb.foundation.common.utils.BeanUtils;
 import org.apache.servicecomb.foundation.common.utils.Log4jUtils;
 import org.apache.servicecomb.provider.pojo.RpcReference;
+import org.apache.servicecomb.provider.springmvc.reference.RestTemplateBuilder;
 import org.apache.servicecomb.samples.common.schema.Hello;
 import org.apache.servicecomb.samples.common.schema.models.Person;
 import org.springframework.stereotype.Component;
+import org.springframework.web.client.RestTemplate;
 
 @Component
 public class JaxrsConsumerMain {
@@ -35,6 +37,10 @@ public static void main(String[] args) throws Exception {
     Person person = new Person();
     person.setName("ServiceComb/Java Chassis");
     System.out.println(hello.sayHello(person));
+
+    RestTemplate restTemplate = RestTemplateBuilder.create();
+    String result = restTemplate.getForObject("cse://jaxrs/jaxrshello/saybye", String.class);
+    System.out.println(result);
   }
 
   public static void init() throws Exception {

samples/jaxrs-sample/jaxrs-provider/src/main/java/org/apache/servicecomb/samples/jaxrs/provider/JaxrsHelloImpl.java

@@ -18,6 +18,7 @@
 package org.apache.servicecomb.samples.jaxrs.provider;
 
 
+import javax.ws.rs.GET;
 import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 import javax.ws.rs.Produces;
@@ -45,4 +46,11 @@ public String sayHi(String name) {
   public String sayHello(Person person) {
     return "Hello person " + person.getName();
   }
+
+  @Path("/saybye")
+  @GET
+  public String sayBye() {
+    return "Bye !";
+  }
+
 }