SpringCloud简单实现注册中心、服务提供者、服务消费者

创建一个Maven的SpringCloud项目命名为：eurekaserver注册中心
pom.xml代码：

<?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>org.example</groupId>
    <artifactId>eurekaserver</artifactId>
    <version>1.0-SNAPSHOT</version>
    <name>eurekaserver</name>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.7.12</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>1.8</java.version>
        <spring-boot.version>2.7.12</spring-boot.version>
        <spring-cloud.version>2.1.3</spring-cloud.version>
    </properties>

<!--    <properties>-->
<!--        <java.version>17</java.version>-->
<!--&lt;!&ndash;        <spring-cloud.version>2020.0.3</spring-cloud.version>&ndash;&gt;-->
<!--        <spring-boot.version>3.1.5</spring-boot.version>-->
<!--        <spring-cloud.version>2.1.3 </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>-->
    <dependencies>


        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
<!--        <dependency>-->
<!--            <groupId>org.mybatis.spring.boot</groupId>-->
<!--            <artifactId>mybatis-spring-boot-starter</artifactId>-->
<!--            <version>2.3.1</version>-->
<!--        </dependency>-->

        <!-- pom.xml -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>


        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

<!--        <dependency>-->
<!--            <groupId>mysql</groupId>-->
<!--            <artifactId>mysql-connector-java</artifactId>-->
<!--            <version>8.0.28</version>-->
<!--        </dependency>-->

<!--        <dependency>-->
<!--            <groupId>com.mchange</groupId>-->
<!--            <artifactId>c3p0</artifactId>-->
<!--            <version>0.9.5.2</version>-->
<!--        </dependency>-->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>
        <!--阿里巴巴的json解析包-->
<!--        <dependency>-->
<