快速学会Dubbo的配置环境及相关配置

<!-- 引入dubbo -->
<!-- https://mvnrepository.com/artifact/com.alibaba/dubbo -->
<dependency>
	<groupId>com.alibaba</groupId>
	<artifactId>dubbo</artifactId>
	<version>2.6.2</version>
</dependency>
<!-- 注册中心使用的是zookeeper，引入操作zookeeper的客户端端 -->
<dependency>
	<groupId>org.apache.curator</groupId>
	<artifactId>curator-framework</artifactId>
	<version>2.12.0</version>
</dependency>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://dubbo.apache.org/schema/dubbo http://dubbo.apache.org/schema/dubbo/dubbo.xsd
		http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

	<!-- 1、指定当前服务/应用的名字（同样的服务名字相同，不要和别的服务同名） -->
	<dubbo:application name="user-service-provider"></dubbo:application>
	
	<!-- 2、指定注册中心的位置 -->
	<!-- <dubbo:registry address="zookeeper://127.0.0.1:2181"></dubbo:registry> -->
	<dubbo:registry protocol="zookeeper" address="127.0.0.1:2181"></dubbo:registry>
	
	<!-- 3、指定通信规则（name指定通信协议？通信端口） -->
	<dubbo:protocol name="dubbo" port="20882"></dubbo:protocol>
	
	<!-- 4、暴露服务   ref：指向服务的真正的实现对象 -->
	<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>
	
	<!--统一设置服务提供方的规则  -->
	<dubbo:provider timeout="1000"></dubbo:provider>
	
	
	<!-- 服务的实现 -->
	<bean id="userServiceImpl01" class="com.atguigu.gmall.service.impl.UserServiceImpl"></bean>
	
	
	<dubbo:service interface="com.atguigu.gmall.service.UserService" 
		ref="userServiceImpl02" timeout="1000" version="2.0.0">
		<dubbo:method name="getUserAddressList" timeout="1000"></dubbo:method>
	</dubbo:service>
	<bean id="userServiceImpl02" class="com.atguigu.gmall.service.impl.UserServiceImpl2"></bean>
	
	<!-- 连接监控中心 -->
	<dubbo:monitor protocol="registry"></dubbo:monitor>
	
</beans>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:dubbo="http://dubbo.apache.org/schema/dubbo"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
		http://dubbo.apache.org/schema/dubbo http://dubbo.apache.org/schema/dubbo/dubbo.xsd
		http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
    <!--启用包扫描-->
	<context:component-scan base-package="com.atguigu.gmall.service.impl"></context:component-scan>


	<dubbo:application name="order-service-consumer"></dubbo:application>
	
	<dubbo:registry address="zookeeper://127.0.0.1:2181"></dubbo:registry>
	
	<!--  配置本地存根-->
	
	<!--声明需要调用的远程服务的接口；生成远程服务代理  -->
	<!-- 
		1）、精确优先 (方法级优先，接口级次之，全局配置再次之)
		2）、消费者设置优先(如果级别一样，则消费方优先，提供方次之)
	-->
	<!-- timeout="0" 默认是1000ms-->
	<!-- retries="":重试次数，不包含第一次调用，0代表不重试-->
	<!-- 幂等（设置重试次数）【查询、删除、修改】、非幂等（不能设置重试次数）【新增】 -->
	<dubbo:reference interface="com.atguigu.gmall.service.UserService" 
		id="userService" timeout="5000" retries="3" version="*">
		<!-- <dubbo:method name="getUserAddressList" timeout="1000"></dubbo:method> -->
	</dubbo:reference>
		
	<!-- 配置当前消费者的统一规则：所有的服务都不检查 -->
	<dubbo:consumer check="false" timeout="5000"></dubbo:consumer>

	<dubbo:monitor protocol="registry"></dubbo:monitor>
	<!-- <dubbo:monitor address="127.0.0.1:7070"></dubbo:monitor> -->
	
</beans>

<!-- 关闭某个服务的启动时检查 (没有提供者时报错) -->
<dubbo:reference interface="com.foo.BarService" check="false" />
	
<!-- 关闭所有服务的启动时检查 (没有提供者时报错) -->
<dubbo:consumer check="false" />

<!-- 关闭注册中心启动时检查 (注册订阅失败时报错) -->
<dubbo:registry check="false" />

dubbo.reference.com.foo.BarService.check=false
dubbo.reference.check=false
dubbo.consumer.check=false
dubbo.registry.check=false

java -Ddubbo.reference.com.foo.BarService.check=false
java -Ddubbo.reference.check=false
java -Ddubbo.consumer.check=false 
java -Ddubbo.registry.check=false

<dubbo:reference check="false"/>

<!-- 配置超时时间 -->
<dubbo:service interface="com.atguigu.gmall.service.UserService" 
	ref="userServiceImpl01" timeout="1000"">
	<dubbo:method name="getUserAddressList" timeout="1000"></dubbo:method>
</dubbo:service>

<!-- 配置超时时间 -->
<dubbo:reference interface="com.foo.BarService" 
	id="BarService" timeout="5000">
</dubbo:reference>

<!-- 还可以给具体方法配置超时时间(假设BarService里有testMethod方法) -->
<dubbo:reference interface="com.foo.BarService" 
	id="BarService" timeout="5000">
	<dubbo:method name="testMethod" timeout="2000"></dubbo:method>
</dubbo:reference>

<!-- retries="":重试次数，不包含第一次调用，0代表不重试-->
<!-- 幂等（设置重试次数）【查询、删除、修改】、非幂等（不能设置重试次数）【新增】 -->
<dubbo:reference interface="com.foo.BarService" 
	id="BarService" timeout="5000" retries="3" >
</dubbo:reference>

<!-- 1.0.0版本-->
<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>
<!-- 服务的实现 -->
<bean id="userServiceImpl01" class="com.atguigu.gmall.service.impl.UserServiceImpl"></bean>

<!-- 2.0.0版本-->
<dubbo:service interface="com.atguigu.gmall.service.UserService" 
	ref="userServiceImpl02" timeout="1000" version="2.0.0">
	<dubbo:method name="getUserAddressList" timeout="1000"></dubbo:method>
</dubbo:service>
<bean id="userServiceImpl02" class="com.atguigu.gmall.service.impl.UserServiceImpl2"></bean>

<!-- version指定用哪个版本，*表示随机版本-->
<dubbo:reference interface="com.atguigu.gmall.service.UserService" 
	id="userService" timeout="5000" retries="3" version="*">
	<!-- <dubbo:method name="getUserAddressList" timeout="1000"></dubbo:method> -->
</dubbo:reference>

public class UserServiceStub implements UserService {
	private final UserService userService;
	
	/**
	 * 传入的是userService远程的代理对象
	 * @param userService
	 */
	public UserServiceStub(UserService userService) {
		super();
		this.userService = userService;
	}
	
	@Override
	public List<UserAddress> getUserAddressList(String userId) {
		System.out.println("UserServiceStub.....");
		if(!StringUtils.isEmpty(userId)) {
			return userService.getUserAddressList(userId);
		}
		return null;
	}
}

<!--  配置本地存根-->
<dubbo:reference interface="com.atguigu.gmall.service.UserService" 
	id="userService" timeout="5000" retries="3" version="*" stub="com.*.UserServiceStub">
</dubbo:reference>

@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;
	}

}