分布式服务以及微服务，都是依赖相同的jar，如果每个pom都进行定义，会造成版本管理的混乱，未来如果升级迭代的时候，增加不必要的负担和麻烦，所以搞一下父子工程。
写了个简单的demogit link,逻辑如下:
graph LR
A[maven-parent] -->|通过parent依赖| B[maven-sub-one]
A[maven-parent] -->|通过parent依赖| C[maen-sub-two]
C[maen-sub-two] --> |dependency|B[maven-sub-one]
<?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>
<groupId>com.mksun.maven</groupId>
<artifactId>parent</artifactId>
<version>1.0-SNAPSHOT</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.6.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<packaging>pom</packaging>
<!--jar包版本管理-->
<properties>
<java.version>1.8</java.version>
<spring-cloud-alibaba.version>2.2.0.RELEASE</spring-cloud-alibaba.version>
<lombok.version>1.18.8</lombok.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.1.2</version>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-alibaba-dependencies</artifactId>
<version>${spring-cloud-alibaba.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${lombok.version}</version>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project><?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>com.mksun.maven</groupId>
<artifactId>parent</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<groupId>com.mksun.maven</groupId>
<artifactId>sub-one</artifactId>
<name>sub-one</name>
<description>Demo project for Spring Boot</description>
<packaging>pom</packaging>
</project>
<?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>com.mksun.maven</groupId>
<artifactId>parent</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<groupId>com.mksun.maven</groupId>
<artifactId>sub-two</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>sub-two</name>
<description>Demo project for Spring Boot</description>
<packaging>pom</packaging>
<dependencies>
<dependency>
<groupId>com.mksun.maven</groupId>
<artifactId>sub-one</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
</dependencies>
</project>