官网: 传送门
Maven 项目结构
$ MavenProject
|-- pom.xml
|-- src
| |-- main
| | `-- java
| | `-- resources
| `-- test
| | `-- java
| | `-- resources
`-- README.md
<?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>
<packaging>pom</packaging>
<modules>
<module>mscx-ad-discovery</module>
<module>mscx-ad-zuul</module>
<module>mscx-ad-gateway</module>
<module>mscx-ad-discovery-nacos</module>
<module>mscx-ad-common</module>
<module>mscx-ad-db</module>
<module>mscx-ad-sponsor</module>
<module>mscx-ad-search</module>
<module>mscx-ad-feign-sdk</module>
</modules>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.5.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.sxzhongf</groupId>
<artifactId>mscx-ad</artifactId>
<version>1.0-SNAPSHOT</version>
<name>分布式广告系统</name>
<description>基于Spring Cloud Alibaba 实现的分布式广告系统</description>
<properties>
<java.version>1.8</java.version>
<spring-cloud.version>Greenwich.SR2</spring-cloud.version>
</properties>
<dependencies>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<!--定义远程maven仓库-->
<repositories>
<repository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
<repository>
<id>alibaba</id>
<name>ali Milestones</name>
<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
</repositories>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
Maven思想 是 约定大于配置,默认依赖中,scope 是compile.
systemPath
属性使用
pom
in the <dependencyManagement>
section.
官方解释:传送门
Note that if two dependency versions are at the same depth in the dependency tree, the first declaration wins.