最近在學習dubbo，想著作一些筆記，從來沒有在csdn上面寫過博客，今天獻出第一次，哈哈，直接上代碼

一、創建父工程

<?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 http://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>2.2.2.RELEASE</version>    <relativePath/>  </parent>  <groupId>com.dubbo</groupId>  <artifactId>demo01</artifactId>  <version>1.0.0</version>  <packaging>pom</packaging>  <description>Spring Boot2.x 整合 dubbo</description>  <modules>    <module>api</module>    <module>provider</module>    <module>consumer</module>  </modules>  <!--統一管理依賴版本-->  <properties>    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>    <java.version>1.8</java.version>    <dubbo.version>2.7.5</dubbo.version>    <curator.version>4.2.0</curator.version>    <!-- 連接zookeeper的依賴，我的zookeeper版本是3.4.14，感覺這個jar版本和zookeeper是大概保持一致的，但是引入3.4.14會報錯，我試了下，從3.4.13開始就不行了 -->    <zookeeper.version>3.4.12</zookeeper.version>  </properties>  <!--依賴定義-->  <!--dependencyManagement 定義依賴版本號。子工程直接加依賴即可，不需要再次加版本號，便于統一維護版本號-->  <dependencyManagement>    <dependencies>      <dependency>        <groupId>org.apache.dubbo</groupId>        <artifactId>dubbo-spring-boot-starter</artifactId>        <version>${dubbo.version}</version>      </dependency>  <!-- zookeeper的api管理依賴 -->      <dependency>        <groupId>org.apache.curator</groupId>        <artifactId>curator-recipes</artifactId>        <version>${curator.version}</version>      </dependency>  <!-- zookeeper依賴 -->      <dependency>        <groupId>org.apache.zookeeper</groupId>        <artifactId>zookeeper</artifactId>        <version>${zookeeper.version}</version>      </dependency>    </dependencies>  </dependencyManagement>  <dependencies>    <dependency>      <groupId>org.springframework.boot</groupId>      <artifactId>spring-boot-devtools</artifactId>      <scope>runtime</scope>      <optional>true</optional>    </dependency>    <!-- 使用該依賴，idea需要安裝插件，沒有用過的自行百度一下吧 -->    <dependency>      <groupId>org.projectlombok</groupId>      <artifactId>lombok</artifactId>      <optional>true</optional>    </dependency>  </dependencies></project>