我们需要关注的紧紧是版本兼容问题
SpringCloud和SpringBoot的版本兼容：https://spring.io/projects/spring-cloud
SpringCloudAlibaba和SpringBoot的版本兼容：https://github.com/alibaba/spring-cloud-alibaba/blob/master/README-zh.md
SpringCloudAlibaba官方整理的版本说明
https://github.com/alibaba/spring-cloud-alibaba/wiki/%E7%89%88%E6%9C%AC%E8%AF%B4%E6%98%8E
Spring Cloud VersionSpring Cloud Alibaba VersionSpring Boot VersionSpring Cloud Hoxton.SR82.2.3.RELEASE2.3.2.RELEASESpring Cloud Greenwich.SR62.1.3.RELEASE2.1.13.RELEASESpring Cloud Hoxton.SR82.2.2.RELEASE2.3.2.RELEASESpring Cloud Hoxton.SR32.2.1.RELEASE2.2.5.RELEASESpring Cloud Hoxton.RELEASE2.2.0.RELEASE2.2.X.RELEASESpring Cloud Greenwich2.1.2.RELEASE2.1.X.RELEASESpring Cloud Finchley2.0.3.RELEASE2.0.X.RELEASESpring Cloud Edgware1.5.1.RELEASE(停止维护，建议升级)1.5.X.RELEASE首先它是在传统搭建SpringCloud的基础上，再引入SpringCloudAlibaba即可。
新建一个maven标准项目，在pom.xml文件配置以下标签属性即可
<?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>dy.springcloudalibaba</groupId> <artifactId>dy-springcloud-alibaba-parent</artifactId> <version>1.0-SNAPSHOT</version> <description>SpringCloud-Alibaba公共父依赖</description> <packaging>pom</packaging> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.0.3.RELEASE</version> <relativePath/> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> <spring-cloud.version>Finchley.RELEASE</spring-cloud.version> <spring-cloud-alibaba-version>2.0.3.RELEASE</spring-cloud-alibaba-version> </properties> <dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>${spring-cloud.version}</version> <type>pom</type> <scope>import</scope> </dependency> <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-alibaba-dependencies</artifactId> <version>${spring-cloud-alibaba-version}</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement> </project>