Spring Cloud Alibaba

[Spring Cloud Alibaba] 2 Create a Unified Parent Dependency Management

Dependency Management...

Posted by Mr.Vincent on 2021-05-26
Estimated Reading Time 12 Minutes
Words 2.1k In Total
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概述

Spring Cloud Alibaba 项目都是基于 Spring Cloud，而 Spring Cloud 项目又是基于 Spring Boot 进行开发，并且都是使用 Maven 做项目管理工具。在实际开发中，我们一般都会创建一个依赖管理项目作为 Maven 的 Parent 项目使用，这样做可以极大的方便我们对 Jar 包版本的统一管理。

版本说明

组件版本关系

Spring Cloud Alibaba Version Sentinel Version Nacos Version RocketMQ Version Dubbo Version Seata Version
2021.1 or 2.2.5.RELEASE or 2.1.4.RELEASE or 2.0.4.RELEASE 1.8.0 1.4.1 4.4.0 2.7.8 1.3.0
2.2.3.RELEASE or 2.1.3.RELEASE or 2.0.3.RELEASE 1.8.0 1.3.3 4.4.0 2.7.8 1.3.0
2.2.1.RELEASE or 2.1.2.RELEASE or 2.0.2.RELEASE 1.7.1 1.2.1 4.4.0 2.7.6 1.2.0
2.2.0.RELEASE 1.7.1 1.1.4 4.4.0 2.7.4.1 1.0.0
2.1.1.RELEASE or 2.0.1.RELEASE or 1.5.1.RELEASE 1.7.0 1.1.4 4.4.0 2.7.3 0.9.0
2.1.0.RELEASE or 2.0.0.RELEASE or 1.5.0.RELEASE 1.6.3 1.1.1 4.4.0 2.7.3 0.7.1

毕业版本依赖关系（推荐使用）

Spring Cloud Version Spring Cloud Alibaba Version Spring Boot Version
Spring Cloud 2020.0.0 2021.1 2.4.2
Spring Cloud Hoxton.SR8 2.2.5.RELEASE 2.3.2.RELEASE
Spring Cloud Greenwich.SR6 2.1.4.RELEASE 2.1.13.RELEASE
Spring Cloud Hoxton.SR3 2.2.1.RELEASE 2.2.5.RELEASE
Spring Cloud Hoxton.RELEASE 2.2.0.RELEASE 2.2.X.RELEASE
Spring Cloud Greenwich 2.1.2.RELEASE 2.1.X.RELEASE
Spring Cloud Finchley 2.0.4.RELEASE(停止维护，建议升级) 2.0.X.RELEASE
Spring Cloud Edgware 1.5.1.RELEASE(停止维护，建议升级) 1.5.X.RELEASE

更多详情查看官网文档：https://github.com/alibaba/spring-cloud-alibaba/wiki/版本说明

创建依赖管理

创建一个父工程 hello-spring-cloud-alibaba 项目，pom.xml 配置文件如下：

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<?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>
    <groupId>com.example</groupId>
    <artifactId>hello-spring-cloud-alibaba</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>pom</packaging>

    <name>hello-spring-cloud-alibaba</name>
    <url>https://v-vincen.life</url>
    <inceptionYear>2021-Now</inceptionYear>
    <description>Demo project for Spring Cloud Alibaba</description>

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

        <spring-boot.version>2.4.2</spring-boot.version>
        <spring-cloud.version>2020.0.0</spring-cloud.version>
        <spring-cloud-alibaba.version>2021.1</spring-cloud-alibaba.version>

        <lombok.version>1.18.20</lombok.version>
        <pagehelper-spring-boot-starter.version>1.3.0</pagehelper-spring-boot-starter.version>
        <hutool-all.version>5.6.3</hutool-all.version>
        <guava.version>30.1.1-jre</guava.version>
        <commons-collections4.version>4.4</commons-collections4.version>
        <commons-lang3.version>3.12.0</commons-lang3.version>
        <commons-io.version>2.8.0</commons-io.version>
        <fastjson.version>1.2.75</fastjson.version>
        <vavr.version>1.0.0-alpha-3</vavr.version>

        <!-- Maven Plugin Versions -->
        <maven-compiler-plugin.version>3.7.0</maven-compiler-plugin.version>
    </properties>

    <!-- 依赖声明 -->
    <dependencyManagement>
        <dependencies>
            <!-- Spring Boot -->
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-dependencies</artifactId>
                <version>${spring-boot.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>

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

            <!-- Spring Cloud Alibaba -->
            <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>


            <!-- common tools Begin -->
            <!-- lombok -->
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <version>${lombok.version}</version>
                <scope>provided</scope>
            </dependency>

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

            <!-- hutool-all -->
            <dependency>
                <groupId>cn.hutool</groupId>
                <artifactId>hutool-all</artifactId>
                <version>${hutool-all.version}</version>
            </dependency>

            <!-- guava -->
            <dependency>
                <groupId>com.google.guava</groupId>
                <artifactId>guava</artifactId>
                <version>${guava.version}</version>
            </dependency>

            <!-- commons-collections4 -->
            <dependency>
                <groupId>org.apache.commons</groupId>
                <artifactId>commons-collections4</artifactId>
                <version>${commons-collections4.version}</version>
            </dependency>

            <!-- commons-lang3 -->
            <dependency>
                <groupId>org.apache.commons</groupId>
                <artifactId>commons-lang3</artifactId>
                <version>${commons-lang3.version}</version>
            </dependency>

            <!-- commons-io -->
            <dependency>
                <groupId>commons-io</groupId>
                <artifactId>commons-io</artifactId>
                <version>${commons-io.version}</version>
            </dependency>

            <!-- fastjson -->
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>fastjson</artifactId>
                <version>${fastjson.version}</version>
            </dependency>

            <!-- vavr -->
            <dependency>
                <groupId>io.vavr</groupId>
                <artifactId>vavr</artifactId>
                <version>${vavr.version}</version>
            </dependency>
            <!-- common tools End -->

        </dependencies>
    </dependencyManagement>

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

        <!-- 资源文件配置 -->
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <excludes>
                    <exclude>**/*.java</exclude>
                </excludes>
            </resource>
            <resource>
                <directory>src/main/resources</directory>
            </resource>
        </resources>
    </build>

    <repositories>
        <repository>
            <id>aliyun-repos</id>
            <name>Aliyun Repository</name>
            <url>http://maven.aliyun.com/nexus/content/groups/public</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>

        <repository>
            <id>sonatype-repos</id>
            <name>Sonatype Repository</name>
            <url>https://oss.sonatype.org/content/groups/public</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
        <repository>
            <id>sonatype-repos-s</id>
            <name>Sonatype Repository</name>
            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
            <releases>
                <enabled>false</enabled>
            </releases>
            <snapshots>
                <enabled>true</enabled>
            </snapshots>
        </repository>

        <repository>
            <id>spring-snapshots</id>
            <name>Spring Snapshots</name>
            <url>https://repo.spring.io/snapshot</url>
            <snapshots>
                <enabled>true</enabled>
            </snapshots>
        </repository>
        <repository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>https://repo.spring.io/milestone</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
    </repositories>

    <pluginRepositories>
        <pluginRepository>
            <id>aliyun-repos</id>
            <name>Aliyun Repository</name>
            <url>http://maven.aliyun.com/nexus/content/groups/public</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </pluginRepository>
    </pluginRepositories>
</project>

说明： spring-boot-dependencies：在这里并没有用，

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<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.4.2</version>
</parent>

继承 Spring Boot 的 Parent 的方式创建；

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<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-dependencies</artifactId>
    <version>${spring-boot.version}</version>
    <type>pom</type>
    <scope>import</scope>
</dependency>

而是依赖 spring-boot-dependencies 的方式创建父工程，当然这两种方式其实都可以，可根据项目需求自行创建。

与 Spring Cloud Netflix 的区别

主要增加了 org.springframework.cloud:spring-cloud-alibaba-dependencies：

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<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-alibaba-dependencies</artifactId>
            <version>2021.1</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
    </dependencies>
</dependencyManagement>

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