小黄鸡的博客：springboot高级功能（十一）聚合工程讲解与部署

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小黄鸡的博客：springboot高级功能（十一）聚合工程讲解与部署

作者：[db:作者] 时间：2021-08-15 19:26

5分钟带你玩转springboot（）聚合工程讲解与部署创建

聚合工程优势

组件化管理通用功能，动态的添加功能。
统一管理jar包的版本号
提高复用性

创建聚合工程

1.首先创建一个springboot项目然后删除src文件夹?

2.创建子工程

选择spring boot项目然后继续创建项目。如果是工具，配置，组件化的项目（不需要启动）可以继续删除启动类和resources文件夹

3.修改父工程和子工程pom文件

然后聚合工程就搭建好了这里最重点是pom文件的配置和标签下文就开始介绍

父工程pom详解

ps:这里以若依开源项目为例结构如下我们主要讲解红框里面的配置父工程包括ruoyi-auth，ruoyi-gateway，ruoyi-visual，ruoyi-modules，ruoyi-api，ruoyi-common子项目

父工程包括了

<?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.ruoyi</groupId>
    <artifactId>ruoyi</artifactId>
    <version>2.5.0</version>

    <name>ruoyi</name>
    <url>http://www.ruoyi.vip</url>
    <description>若依微服务系统</description>

    <properties>
        <ruoyi.version>2.5.0</ruoyi.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
        <spring-boot.version>2.3.7.RELEASE</spring-boot.version>
        <spring-cloud.version>Hoxton.SR9</spring-cloud.version>
        <spring-cloud-alibaba.version>2.2.5.RELEASE</spring-cloud-alibaba.version>
		<spring-boot-admin.version>2.3.1</spring-boot-admin.version>
        <spring-boot.mybatis>2.1.4</spring-boot.mybatis>
        <swagger.fox.version>2.9.2</swagger.fox.version>
        <swagger.core.version>1.5.24</swagger.core.version>
        <tobato.version>1.26.5</tobato.version>
        <kaptcha.version>2.3.2</kaptcha.version>
        <pagehelper.boot.version>1.3.0</pagehelper.boot.version>
        <druid.version>1.2.4</druid.version>
        <dynamic-ds.version>3.2.1</dynamic-ds.version>
        <commons.io.version>2.5</commons.io.version>
        <commons.fileupload.version>1.3.3</commons.fileupload.version>
        <velocity.version>1.7</velocity.version>
        <fastjson.version>1.2.75</fastjson.version>
        <minio.version>8.0.3</minio.version>
		<poi.version>4.1.2</poi.version>
        <common-pool.version>2.6.2</common-pool.version>
    </properties>

    <!-- 依赖声明 -->
    <dependencyManagement>
        <dependencies>

            <!-- SpringCloud 微服务 -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>

			<!-- SpringCloud Alibaba 微服务 -->
            <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>

            <!-- SpringBoot 依赖配置 -->
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-dependencies</artifactId>
                <version>${spring-boot.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
			
            <!--  SpringBoot 监控客户端 -->
            <dependency>
                <groupId>de.codecentric</groupId>
                <artifactId>spring-boot-admin-starter-client</artifactId>
                <version>${spring-boot-admin.version}</version>
            </dependency>
			
            <!-- FastDFS 分布式文件系统 -->
            <dependency>
                <groupId>com.github.tobato</groupId>
                <artifactId>fastdfs-client</artifactId>
                <version>${tobato.version}</version>
            </dependency>
			
            <!-- Mybatis 依赖配置 -->
            <dependency>
                <groupId>org.mybatis.spring.boot</groupId>
                <artifactId>mybatis-spring-boot-starter</artifactId>
                <version>${spring-boot.mybatis}</version>
            </dependency>
			
            <!-- Swagger 依赖配置 -->
            <dependency>
                <groupId>io.swagger</groupId>
                <artifactId>swagger-models</artifactId>
                <version>${swagger.core.version}</version>
            </dependency>
            <dependency>
                <groupId>io.swagger</groupId>
                <artifactId>swagger-annotations</artifactId>
                <version>${swagger.core.version}</version>
            </dependency>

            <!-- 验证码 -->
            <dependency>
                <groupId>com.github.penggle</groupId>
                <artifactId>kaptcha</artifactId>
                <version>${kaptcha.version}</version>
            </dependency>

            <!-- pagehelper 分页插件 -->
            <dependency>
                <groupId>com.github.pagehelper</groupId>
                <artifactId>pagehelper-spring-boot-starter</artifactId>
                <version>${pagehelper.boot.version}</version>
            </dependency>

            <!-- io常用工具类 -->
            <dependency>
                <groupId>commons-io</groupId>
                <artifactId>commons-io</artifactId>
                <version>${commons.io.version}</version>
            </dependency>

            <!-- excel工具 -->
            <dependency>
                <groupId>org.apache.poi</groupId>
                <artifactId>poi-ooxml</artifactId>
                <version>${poi.version}</version>
            </dependency>

            <!-- 文件上传工具类 -->
            <dependency>
                <groupId>commons-fileupload</groupId>
                <artifactId>commons-fileupload</artifactId>
                <version>${commons.fileupload.version}</version>
            </dependency>

            <!-- 代码生成使用模板 -->
            <dependency>
                <groupId>org.apache.velocity</groupId>
                <artifactId>velocity</artifactId>
                <version>${velocity.version}</version>
                <exclusions>
                    <exclusion>
                        <groupId>commons-collections</groupId>
                        <artifactId>commons-collections</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>

            <!-- JSON 解析器和生成器 -->
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>fastjson</artifactId>
                <version>${fastjson.version}</version>
            </dependency>
            
            <!-- 公共资源池 -->
            <dependency>
                <groupId>org.apache.commons</groupId>
                <artifactId>commons-pool2</artifactId>
                <version>${common-pool.version}</version>
            </dependency>

            <!-- 核心模块 -->
	        <dependency>
                <groupId>com.ruoyi</groupId>
                <artifactId>ruoyi-common-core</artifactId>
                <version>${ruoyi.version}</version>
            </dependency>
			
            <!-- 接口模块 -->
            <dependency>
                <groupId>com.ruoyi</groupId>
                <artifactId>ruoyi-common-swagger</artifactId>
                <version>${ruoyi.version}</version>
            </dependency>
	        
            <!-- 安全模块 -->
            <dependency>
                <groupId>com.ruoyi</groupId>
                <artifactId>ruoyi-common-security</artifactId>
                <version>${ruoyi.version}</version>
            </dependency>
	        
            <!-- 权限范围 -->
            <dependency>
                <groupId>com.ruoyi</groupId>
                <artifactId>ruoyi-common-datascope</artifactId>
                <version>${ruoyi.version}</version>
            </dependency>
            
            <!-- 多数据源 -->
            <dependency>
                <groupId>com.ruoyi</groupId>
                <artifactId>ruoyi-common-datasource</artifactId>
                <version>${ruoyi.version}</version>
            </dependency>
			
            <!-- 日志记录 -->
            <dependency>
                <groupId>com.ruoyi</groupId>
                <artifactId>ruoyi-common-log</artifactId>
                <version>${ruoyi.version}</version>
            </dependency>
			
            <!-- 缓存服务 -->
            <dependency>
                <groupId>com.ruoyi</groupId>
                <artifactId>ruoyi-common-redis</artifactId>
                <version>${ruoyi.version}</version>
            </dependency>
			
            <!-- 系统接口 -->
            <dependency>
                <groupId>com.ruoyi</groupId>
                <artifactId>ruoyi-api-system</artifactId>
                <version>${ruoyi.version}</version>
            </dependency>
			
        </dependencies>
    </dependencyManagement>

    <modules>
		<module>ruoyi-auth</module>
		<module>ruoyi-gateway</module>
		<module>ruoyi-visual</module>
		<module>ruoyi-modules</module>
		<module>ruoyi-api</module>
		<module>ruoyi-common</module>
    </modules>
    <packaging>pom</packaging>

    <dependencies>
        <!-- swagger -->
        <dependency>
            <groupId>io.swagger</groupId>
            <artifactId>swagger-annotations</artifactId>
            <version>1.5.10</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>${java.version}</source>
                    <target>${java.version}</target>
                    <encoding>${project.build.sourceEncoding}</encoding>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

<name><url><description>都是非必须字面意思

<groupId>：域例如com

<artifactId>：公司名??groupid和artifactId被统称为“坐标”是为了保证项目唯一性而提出的

<version>：项目的版本号

<properties>：属性的占位符如java中的常量

<dependencyManagement>：在我们项目顶层的POM文件中，我们会看到dependencyManagement元素。通过它元素来管理jar包的版本，让子项目中引用一个依赖而不用显示的列出版本号。Maven会沿着父子层次向上走，直到找到一个拥有dependencyManagement元素的项目，然后它就会使用在这个dependencyManagement元素中指定的版本号。

白话说如果父工程有<dependencyManagement> 且groupId和artifactId相同那么子工程不需要指定版本号直接使用父工程版本号

例如当子工程有?groupId为org.springframework.cloud时引用当前父工程指定版本

            <!-- SpringCloud 微服务 -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>

<modules>：指当前父工程包含的子工程如果这里不引入那么刷新父工程pom时子工程不会下载jar包

?<build>：打包配置

<packaging>pom</packaging>在聚合工程中一定要配置指的是在引入其他工程时直接引入代码，否则就会打成jar包这样就会报错了

ruoyi-modules子工程配置

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <groupId>com.ruoyi</groupId>
        <artifactId>ruoyi</artifactId>
        <version>2.5.0</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <modules>
        <module>ruoyi-system</module>
        <module>ruoyi-gen</module>
        <module>ruoyi-job</module>
        <module>ruoyi-file</module>
    </modules>

    <artifactId>ruoyi-modules</artifactId>
    <packaging>pom</packaging>

    <description>
        ruoyi-modules业务模块
    </description>

</project>

这里主要配置是

<parent>：内容就是父工程的<groupId><artifactId><version>

<modules>：指该工程包含ruoyi-system，ruoyi-gen，ruoyi-job，ruoyi-file子工程

ruoyi-system子项目配置

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns="http://maven.apache.org/POM/4.0.0"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <groupId>com.ruoyi</groupId>
        <artifactId>ruoyi-modules</artifactId>
        <version>2.5.0</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
	
    <artifactId>ruoyi-modules-system</artifactId>

    <description>
        ruoyi-modules-system系统模块
    </description>
	
    <dependencies>
    	
    	<!-- SpringCloud Alibaba Nacos -->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
        </dependency>
        
        <!-- SpringCloud Alibaba Nacos Config -->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
        </dependency>
        
    	<!-- SpringCloud Alibaba Sentinel -->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
        </dependency>
        
    	<!-- SpringBoot Actuator -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
		
        <!-- Swagger UI -->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger-ui</artifactId>
            <version>${swagger.fox.version}</version>
        </dependency>
		
        <!-- Mysql Connector -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
        
        <!-- RuoYi Common DataSource -->
        <dependency>
            <groupId>com.ruoyi</groupId>
            <artifactId>ruoyi-common-datasource</artifactId>
        </dependency>
        
        <!-- RuoYi Common DataScope -->
        <dependency>
            <groupId>com.ruoyi</groupId>
            <artifactId>ruoyi-common-datascope</artifactId>
        </dependency>
        
        <!-- RuoYi Common Log -->
        <dependency>
            <groupId>com.ruoyi</groupId>
            <artifactId>ruoyi-common-log</artifactId>
        </dependency>
        
        <!-- RuoYi Common Swagger -->
        <dependency>
            <groupId>com.ruoyi</groupId>
            <artifactId>ruoyi-common-swagger</artifactId>
        </dependency>

    </dependencies>

    <build>
        <finalName>${project.artifactId}</finalName>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
   
</project>

<parent>：配置父工程ruoyi-modules的<groupId><artifactId><version>

<dependencies>：本项目的依赖

如果想引入其他工程，只需要加入：

        <!-- RuoYi Common DataScope -->
        <dependency>
            <groupId>com.ruoyi</groupId>
            <artifactId>ruoyi-common-datascope</artifactId>
        </dependency>
        
        <!-- RuoYi Common Log -->
        <dependency>
            <groupId>com.ruoyi</groupId>
            <artifactId>ruoyi-common-log</artifactId>
        </dependency>
        
        <!-- RuoYi Common Swagger -->
        <dependency>
            <groupId>com.ruoyi</groupId>
            <artifactId>ruoyi-common-swagger</artifactId>
        </dependency>

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