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Spring Cloud Alibaba 致力于提供微服务开发的一站式解决方案。此项目包含开发分布式应用服务的必需组件,方便开发者通过 Spring Cloud 编程模型轻松使用这些组件来开发分布式应用服务。
Spring Cloud Alibaba 基于Spring cloud,而spring cloud 基于 spring boot。因此搭建框架之前需要解决版本兼容性问题,版本兼容性见 Spring cloud alibaba系统版本兼容性
详细配置见下方源码部分
这里选用官方给出的最新兼容版:
Spring Cloud Version | Spring Cloud Alibaba Version | Spring Boot Version |
---|---|---|
Spring Cloud Hoxton.SR3 | 2.2.1.RELEASE | 2.2.5.RELEASE |
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.5.RELEASE</version>
<relativePath/>
</parent>
spring boot选择2.2.5.RELEASE ,但是经过测试2.2.9.RELEASE也是兼容的,但是线上建议参考官方给的兼容性方案。
<properties>
<spring-cloud.version>Hoxton.SR3</spring-cloud.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
spring cloud 选择官方给出的Hoxton.SR3,由于很多组件都是使用的spring cloud,alibaba并没有提供封装。
<properties>
<spring-cloud-alibaba.version>2.2.1.RELEASE</spring-cloud-alibaba.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-alibaba-dependencies</artifactId>
<version>${spring-cloud-alibaba.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
经过测试发现,使用低版本的spring cloud 无法让Nacos发现客户端。因此请注意版本兼容性。
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
</dependency>
@EnableDiscoveryClient
server.port=7003
spring.application.name=kgo-feedback
spring.cloud.nacos.discovery.server-addr=192.168.1.232:8848
management.endpoints.web.exposure.include=*
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
</dependency>
nacos-config 客户端配置必须写在该文件中,因为该文件是在 之前加载的。
注意当你使用域名的方式来访问 Nacos 时,spring.cloud.nacos.config.server-addr 配置的方式为 域名:port。 例如 Nacos 的域名为abc.com.nacos,监听的端口为 80,则 spring.cloud.nacos.config.server-addr=abc.com.nacos:80。 注意 80 端口不能省略。
spring.application.name=kgo-feedback
spring.cloud.nacos.config.server-addr=192.168.1.232:8848
配置中部分会专门整理一篇文章,阐述Nacos作为配置中心的用法。
sentinel涉及知识太多,整理后会在Sentinel章节阐述。
<?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>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.2.5.RELEASE</version> <relativePath/> </parent> <groupId>com.kgo.cloud</groupId> <artifactId>kgo-feedback</artifactId> <version>1.0.1-SNAPSHOT</version> <name>guodun-feedback</name> <description>Demo project for Spring Boot</description> <properties> <java.version>1.8</java.version> <spring-cloud-alibaba.version>2.2.1.RELEASE</spring-cloud-alibaba.version> <spring-cloud.version>Hoxton.SR3</spring-cloud.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-actuator</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId> </dependency> <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId> </dependency> <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId> </dependency> <!-- <dependency>--> <!-- <groupId>org.springframework.cloud</groupId>--> <!-- <artifactId>spring-cloud-starter-zipkin</artifactId>--> <!-- </dependency>--> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> <exclusions> <exclusion> <groupId>org.junit.vintage</groupId> <artifactId>junit-vintage-engine</artifactId> </exclusion> </exclusions> </dependency> </dependencies> <dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>${spring-cloud.version}</version> <type>pom</type> <scope>import</scope> </dependency> <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-alibaba-dependencies</artifactId> <version>${spring-cloud-alibaba.version}</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>
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