2020-03-1817:32:22springboot与分布式之dubbo+zookeeper

zookeeper的启动：

./zkServer.sh start

连接zookeeper：

./zkCli.sh

查看节点：

ls /

临时关闭linux防火墙centOS6：

/etc/init.d/iptables stop 

注意：本案例是基于springboot1.5.12版本，springboot2.X版本目前相同代码是存在问题的

服务提供者：

pom：

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.12.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.study.springboot-dubbo</groupId>
    <artifactId>serprovider</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>serprovider</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>

        <dependency>
            <groupId>com.alibaba.boot</groupId>
            <artifactId>dubbo-spring-boot-starter</artifactId>
            <version>0.1.0</version>
        </dependency>

        <!--引入zookeeper的客户端工具-->
        <!-- https://mvnrepository.com/artifact/com.github.sgroschupf/zkclient -->
        <dependency>
            <groupId>com.github.sgroschupf</groupId>
            <artifactId>zkclient</artifactId>
            <version>0.1</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintage</groupId>
                    <artifactId>junit-vintage-engine</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

yml:

dubbo:
  application:
    name: provider-ticket
  registry:
    address: zookeeper://192.168.213.128:2181
  scan:
    base-packages: com.study.springboot.dubboprovider.service
server:
  port: 8801

主启动类：

package com.study.springboot.dubboprovider;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class SerproviderApplication {

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

}

service接口：

package com.study.springboot.dubboprovider.service;
        //com.study.springboot.dubboprovider.service.TicketServie


public interface TicketServie {
    public String sall(String msg);
}

service实现类：

package com.study.springboot.dubboprovider.service;

import com.alibaba.dubbo.config.annotation.Service;
import com.study.springboot.dubboprovider.service.TicketServie;
import org.springframework.stereotype.Component;


@Component
@Service
public class TicketServiceImpl implements TicketServie {
    @Override
    public String sall(String msg) {
        System.out.println("售票成功。。请"+msg+"耐心等待出票");
        return "售票成功。。请"+msg+"耐心等待出票(*^_^*)。。。";
    }
}

服务消费者：
pom：

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.12.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.study.springboot.dubboconsumer</groupId>
    <artifactId>dubboconsumer</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>dubboconsumer</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>

        <dependency>
            <groupId>com.alibaba.boot</groupId>
            <artifactId>dubbo-spring-boot-starter</artifactId>
            <version>0.1.0</version>
        </dependency>

        <!--引入zookeeper的客户端工具-->
        <!-- https://mvnrepository.com/artifact/com.github.sgroschupf/zkclient -->
        <dependency>
            <groupId>com.github.sgroschupf</groupId>
            <artifactId>zkclient</artifactId>
            <version>0.1</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintage</groupId>
                    <artifactId>junit-vintage-engine</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

yml：

dubbo:
  application:
    name: consumer-ticket
  registry:
    address: zookeeper://192.168.213.128:2181
server:
  port: 8802

主启动：

package com.study.springboot.dubboconsumer;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class DubboconsumerApplication {

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

}

需要有和服务提供者相同包下的相同名称的接口：

service接口：

package com.study.springboot.dubboprovider.service;

public interface TicketServie {
    public String sall(String msg);
}

controller：

package com.study.springboot.dubboconsumer.controller;


import com.alibaba.dubbo.config.annotation.Reference;
import com.study.springboot.dubboprovider.service.TicketServie;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class ConsumerController {

    //com.study.springboot.dubboprovider.service.TicketServie
    @Reference
    private TicketServie ticketServie;

    @GetMapping("/test/dubbo/{name}")
    public String getResult(@PathVariable("name") String name){
        System.out.println("开始调用dubbo服务提供者提供的方法。。。。。。。");
        String result = ticketServie.sall(name);
        System.out.println("结束调用dubbo服务提供者提供的方法OK");
        return result;
    }
}