Spring cloud Alibaba (I) -- environment construction

Introduction to spring cloud Alibaba

springcloud

The spring team has an open source microservice tool set to help us quickly build distributed systems (microservice systems) and provide netflix for spring organizations

springcloud alibaba

The open source microservice toolset of alibaba team helps us quickly build distributed systems (microservice systems) and provide alibaba solutions

springcloud alibaba is a one-stop solution provided by alicloud for distributed application development. It contains all the components needed to develop distributed applications, making it easy for you to develop applications using spring cloud.
With Alibaba cloud, you only need to add some annotations and a few configurations to connect Spring cloud applications to Alibaba's distributed solutions and build a distributed application system with Alibaba middleware.

spring cloud alibaba features

technical support	springcloud alibaba	springcloud netflix
Service degradation and flow control	sentinel	hystrix
Service registration and discovery	nacos	eureka ,consul
Distributed configuration & event driven message bus	nacos	config & bus
Distributed transaction & Dubbo	seta

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Spring cloud component

technical support	springcloud alibaba	springcloud netflix
Service registration and discovery component	nacos	eureka consul
Inter service communication component	restTemplate+ribbon,Openfeign	restTemplate+ribbon,Openfeign
Service degradation and fusing	sentinel	hystrix hystrix dashboard
Service gateway component	gateway	gateway
Unified configuration center message bus component	nacos	config bus

Actual development of microservice project springcloud netfilx + springcloud alibaba +springcloud spring

Five component selection

• 1. Service registry = = = = > Nacos (Alibaba)
• 2. Load balancing between service communications = = = = = = > resttemplate + ribbon (Netflix) or Openfeign (Spring)
• 3. Service fusing and service degradation = = = = = > sentinel (Alibaba)
• 4. Service gateway component = = = = > gateway (spring)
• 5. Unified configuration center component = = = = > Nacos (Alibaba)

Build spring cloud Alibaba environment

1. Create a new empty project

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2. Create a new module in an empty project

3. Add dependent

<!--inherit springboot Parent project-->
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.2.5.RELEASE</version>
    </parent>
     <!--Jiaqun 1025684353 blowing water and chatting together-->

    <!--Define version number-->
    <properties>
        <spring.cloud.version>Hoxton.SR6</spring.cloud.version>
        <spring.cloud.alibaba.version>2.2.1.RELEASE</spring.cloud.alibaba.version>
    </properties>

    <!--Maintenance dependency-->
    <dependencyManagement>
        <dependencies>
        <!--maintain springcloud-->
         <!--Jiaqun 1025684353 blowing water and chatting together-->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring.cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        <!--maintain springcloud alibaba-->
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>${spring.cloud.alibaba.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

Finally, I wish you success in your studies as soon as possible, get a satisfactory offer, get a quick promotion and raise, and reach the peak of your life. If you can, please give me a third company to support me. I'll see you next time

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