dubbo

<dependency>
            <groupId>com.alibaba.boot</groupId>
            <artifactId>dubbo-spring-boot-starter</artifactId>
            <version>0.2.0</version>
        </dependency>

server.port=8081

dubbo.application.name=boot-order-service-consumer
dubbo.registry.address=zookeeper://127.0.0.1:2181
dubbo.monitor.protocol=registry

@EnableDubbo
@EnableHystrix
@SpringBootApplication
public class BootOrderServiceConsumerApplication {

    public static void main(String[] args) {
        SpringApplication.run(BootOrderServiceConsumerApplication.class, args);
    }
}

@Controller
public class OrderController {
    
    @Autowired
    OrderService orderService;
    
    @ResponseBody
    @RequestMapping("/initOrder")
    public List<UserAddress> initOrder(@RequestParam("uid")String userId) {
        return orderService.initOrder(userId);
    }

}

/**
 * 1、将服务提供者注册到注册中心（暴露服务）
 *         1）、导入dubbo依赖（2.6.2）\操作zookeeper的客户端(curator)
 *         2）、配置服务提供者
 * 
 * 2、让服务消费者去注册中心订阅服务提供者的服务地址
 * @author lfy
 *
 */
@Service
public class OrderServiceImpl implements OrderService {

    //@Autowired
    @Reference(loadbalance="random",timeout=1000) //dubbo直连
    UserService userService;
    
    @HystrixCommand(fallbackMethod="hello")
    @Override
    public List<UserAddress> initOrder(String userId) {
        // TODO Auto-generated method stub
        System.out.println("用户id："+userId);
        //1、查询用户的收货地址
        List<UserAddress> addressList = userService.getUserAddressList(userId);
        return addressList;
    }
    
    
    public List<UserAddress> hello(String userId) {
        // TODO Auto-generated method stub
    
        return Arrays.asList(new UserAddress(10, "测试地址", "1", "测试", "测试", "Y"));
    }
    

}

dubbo.application.name=user-service-provider
dubbo.registry.address=127.0.0.1:2181
dubbo.registry.protocol=zookeeper
#
dubbo.protocol.name=dubbo
dubbo.protocol.port=20881
dubbo.monitor.protocol=registry

/**
 * 1、导入依赖；
 *         1）、导入dubbo-starter
 *         2）、导入dubbo的其他依赖
 * @author lfy
 *
 * SpringBoot与dubbo整合的三种方式：
 * 1）、导入dubbo-starter，在application.properties配置属性，使用@Service【暴露服务】使用@Reference【引用服务】
 * 2）、保留dubbo xml配置文件;
 *         导入dubbo-starter，使用@ImportResource导入dubbo的配置文件即可
 * 3）、使用注解API的方式：
 *         将每一个组件手动创建到容器中,让dubbo来扫描其他的组件
 */
//@EnableDubbo //开启基于注解的dubbo功能
//@ImportResource(locations="classpath:provider.xml")
@EnableDubbo(scanBasePackages="com.atguigu.gmall")
@EnableHystrix //开启服务容错
@SpringBootApplication
public class BootUserServiceProviderApplication {

    public static void main(String[] args) {
        SpringApplication.run(BootUserServiceProviderApplication.class, args);
    }
}

package com.atguigu.gmall.config;

import java.util.ArrayList;
import java.util.List;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import com.alibaba.dubbo.config.ApplicationConfig;
import com.alibaba.dubbo.config.MethodConfig;
import com.alibaba.dubbo.config.MonitorConfig;
import com.alibaba.dubbo.config.ProtocolConfig;
import com.alibaba.dubbo.config.ProviderConfig;
import com.alibaba.dubbo.config.RegistryConfig;
import com.alibaba.dubbo.config.ServiceConfig;
import com.atguigu.gmall.service.UserService;

@Configuration
public class MyDubboConfig {
    
    @Bean
    public ApplicationConfig applicationConfig() {
        ApplicationConfig applicationConfig = new ApplicationConfig();
        applicationConfig.setName("boot-user-service-provider");
        return applicationConfig;
    }
    
    //<dubbo:registry protocol="zookeeper" address="127.0.0.1:2181"></dubbo:registry>
    @Bean
    public RegistryConfig registryConfig() {
        RegistryConfig registryConfig = new RegistryConfig();
        registryConfig.setProtocol("zookeeper");
        registryConfig.setAddress("127.0.0.1:2181");
        return registryConfig;
    }
    
    //<dubbo:protocol name="dubbo" port="20882"></dubbo:protocol>
    @Bean
    public ProtocolConfig protocolConfig() {
        ProtocolConfig protocolConfig = new ProtocolConfig();
        protocolConfig.setName("dubbo");
        protocolConfig.setPort(20882);
        return protocolConfig;
    }
    
    /**
     *<dubbo:service interface="com.atguigu.gmall.service.UserService" 
        ref="userServiceImpl01" timeout="1000" version="1.0.0">
        <dubbo:method name="getUserAddressList" timeout="1000"></dubbo:method>
    </dubbo:service>
     */
    @Bean
    public ServiceConfig<UserService> userServiceConfig(UserService userService){
        ServiceConfig<UserService> serviceConfig = new ServiceConfig<>();
        serviceConfig.setInterface(UserService.class);
        serviceConfig.setRef(userService);
        serviceConfig.setVersion("1.0.0");
        
        //配置每一个method的信息
        MethodConfig methodConfig = new MethodConfig();
        methodConfig.setName("getUserAddressList");
        methodConfig.setTimeout(1000);
        
        //将method的设置关联到service配置中
        List<MethodConfig> methods = new ArrayList<>();
        methods.add(methodConfig);
        serviceConfig.setMethods(methods);
        
        //ProviderConfig
        //MonitorConfig
        
        return serviceConfig;
    }

}

package com.atguigu.gmall.service.impl;

import java.util.Arrays;
import java.util.List;

import org.springframework.stereotype.Component;

import com.alibaba.dubbo.config.annotation.Reference;
import com.alibaba.dubbo.config.annotation.Service;
import com.atguigu.gmall.bean.UserAddress;
import com.atguigu.gmall.service.UserService;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;


@Service//暴露服务 
@Component
public class UserServiceImpl implements UserService {

    @HystrixCommand
    @Override
    public List<UserAddress> getUserAddressList(String userId) {
        // TODO Auto-generated method stub
        System.out.println("UserServiceImpl..3.....");
        UserAddress address1 = new UserAddress(1, "北京市昌平区宏福科技园综合楼3层", "1", "李老师", "010-56253825", "Y");
        UserAddress address2 = new UserAddress(2, "深圳市宝安区西部硅谷大厦B座3层（深圳分校）", "1", "王老师", "010-56253825", "N");
//        try {
//            Thread.sleep(2000);
//        } catch (InterruptedException e) {
//            e.printStackTrace();
//        }
        if(Math.random()>0.5) {
            throw new RuntimeException();
        }
        return Arrays.asList(address1,address2);
    }

}

public class UserAddress implements Serializable {
    
    private Integer id;
    private String userAddress; //用户地址
    private String userId; //用户id
    private String consignee; //收货人
    private String phoneNum; //电话号码
    private String isDefault; //是否为默认地址    Y-是     N-否
}