springboot学习25:Dubbo+zookeeper实战
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框架搭建: - 
1,创建一个空的maven项目:Empty Project ; (做为总依赖,或者父项目) - 
导入pom依赖: 
 <dependency>
 <groupId>org.apache.dubbogroupId>
 <artifactId>dubbo-spring-boot-starterartifactId>
 <version>2.7.9version>
 dependency>
 <dependency>
 <groupId>com.github.sgroschupfgroupId>
 <artifactId>zkclientartifactId>
 <version>0.1version>
 dependency>
 ?
 <dependency>
 <groupId>org.apache.curatorgroupId>
 <artifactId>curator-frameworkartifactId>
 <version>2.12.0version>
 dependency>
 <dependency>
 <groupId>org.apache.curatorgroupId>
 <artifactId>curator-recipesartifactId>
 <version>2.12.0version>
 dependency>
 <dependency>
 <groupId>org.apache.zookeepergroupId>
 <artifactId>zookeeperartifactId>
 <version>3.4.14version>
 
 <exclusions>
 <exclusion>
 <groupId>org.slf4jgroupId>
 <artifactId>slf4j-log4j12artifactId>
 exclusion>
 exclusions>
 dependency>
 
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2,新建model模块:provider-server:服务提供者 - 
新建service包: - 
1,新建TicketService接口: public interface TicketService {
 ?
 public String getTicket();
 }
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2,新建TicketServiceImpl实现类: import org.apache.dubbo.config.annotation.Service;
 import org.springframework.stereotype.Component;
 ?
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3,修改application.properties配置文件: - 
配置要扫描的包 
 server.port=8001
 #当前应用名字
 dubbo.application.name=provider_server
 #注册中心地址
 dubbo.registry.address=zookeeper://127.0.0.1:2181
 dubbo.registry.protocol=26001
 #扫描指定包下服务
 dubbo.scan.base-packages=com.ljxdemo.service
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3,新建Model模块:consumer-server:服务消费者 - 
新建service包: - 
1,新建TicketService接口: public interface TicketService {
 ?
 public String getTicket();
 }
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2,新建UserService服务类: import org.apache.dubbo.config.annotation.Reference;
 import org.springframework.stereotype.Service;
 ?
 ?
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3,修改application.properties配置文件: server.port=8002
 #消费者去哪里拿服务 : 去注册中心拿 ; 消费者需暴漏自己的名字,让注册中心知道是谁拿的
 dubbo.application.name=consumer_server
 #注册中心的地址
 dubbo.registry.address=zookeeper://127.0.0.1:2181
 
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新建controller包: - 
1,新建HelloController类: 
 
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4,启动测试: - 
1,启动zookeeper服务:zkServer.cmd 
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2,启动dubbo-admin服务:java -jar dubbo-admin-0.0.1-SNAPSHOT.jar 
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3,启动IDEA服务:提供者,消费者 
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4,测试URL:http://localhost:8002/t1 : 数据正常返回 
 
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