<dependency>

    <groupId>org.jboss.resteasy</groupId>

    <artifactId>resteasy-jaxrs</artifactId>

    <version>3.0.7.Final</version>

</dependency>

<dependency>

    <groupId>org.jboss.resteasy</groupId>

    <artifactId>resteasy-client</artifactId>

    <version>3.0.7.Final</version>

</dependency>

<dependency>

    <groupId>javax.validation</groupId>

    <artifactId>validation-api</artifactId>

    <version>1.0.0.GA</version>

</dependency>

<!-- 如果要使用json序列化 -->

<dependency>

    <groupId>org.jboss.resteasy</groupId>

    <artifactId>resteasy-jackson-provider</artifactId>

    <version>3.0.7.Final</version>

</dependency>

<!-- 如果要使用xml序列化 -->

<dependency>

    <groupId>org.jboss.resteasy</groupId>

    <artifactId>resteasy-jaxb-provider</artifactId>

    <version>3.0.7.Final</version>

</dependency>

<!-- 如果要使用netty server -->

<dependency>

    <groupId>org.jboss.resteasy</groupId>

    <artifactId>resteasy-netty</artifactId>

    <version>3.0.7.Final</version>

</dependency>

<!-- 如果要使用Sun HTTP server -->

<dependency>

    <groupId>org.jboss.resteasy</groupId>

    <artifactId>resteasy-jdk-http</artifactId>

    <version>3.0.7.Final</version>

</dependency>

<!-- 如果要使用tomcat server -->

<dependency>

    <groupId>org.apache.tomcat.embed</groupId>

    <artifactId>tomcat-embed-core</artifactId>

    <version>8.0.11</version>

</dependency>

<dependency>

    <groupId>org.apache.tomcat.embed</groupId>

    <artifactId>tomcat-embed-logging-juli</artifactId>

    <version>8.0.11</version>

</dependency>

public interface UserService {

    public ArrayList<String> sayHello(String uid);

}

@Path("rest")

@Produces({MediaType.APPLICATION_JSON, MediaType.TEXT_XML})

public class UserServiceImpl implements UserService {

    @GET

    @Path("/sayHello/{uid}")

    @Override

    public ArrayList<String> sayHello(@PathParam("uid")String uid) {

        ArrayList<String> x= new ArrayList<String>();

        x.add("xxxx");

        return x;

    }

}

<dubbo:application name="platform" owner="programmer" organization="dubbox"/>

<dubbo:registry address="zookeeper://localhost:2181" />

<dubbo:protocol name="rest" port="8081" server="tomcat" ></dubbo:protocol>

<dubbo:service interface="rest.UserService" ref="userServiceImpl" />

<bean id="userServiceImpl" class="rest.UserServiceImpl"></bean>

System.out.println("准备启动");

ClassPathXmlApplicationContext ap=new ClassPathXmlApplicationContext("applicationContext_dubbo.xml");

UserService userSrv=(UserService) ap.getBean("userServiceImpl");

System.out.println("启动DemoServiceProvider完成");

userSrv.sayHello("xushuai");

try {

    System.in.read();

} catch (IOException e) {

    e.printStackTrace();

}