一,什么是微服务

微服务的核心就是将传统的一站式应用,根据业务拆分成一个个的服务,彻底去解耦,每一个微服务提供单个业务功能得服务,一个服务做一件事情,从技术角度上看,就是一种小而独立的处理过程,能够自行单独启动或销毁,拥有自己独立的数据库
用官方的话来说

基于springboot提供了一套微服务解决方案,包括服务注册与发现没配置中心,全链路监控
服务网关,负载均衡,熔断器等组件。基于NetFlix的开源组件做高度抽象封装之外,还有一些
选型中立的开源组件

在学习每一门的新技术之前,都离不开官方文档,如一下参考文档
https://springcloud.cc/spring-cloud-netflix.html
中文api文档: https://springcloud.cc/spring-cloud-dalston.html
springcloud中国社区:http://springcloud.cn/
springcloud中文网:https://springcloud.cc

二,谈谈springcloud和springboot之间的区别

springboot是专注于快速方便的开发单个个体微服务
springcloud是关注全局的微服务协调整理治疗框架,他将Springboot开发的一个个单体微服务整合并管理起来,为各个微服务之间提供:配置管理,服务发现,断路器,路由,微代理,时间总线,全局锁,决策竞选,分布式会话等等集成服务
springboot可以离开springCloud独立使用,但是springcloud离不开springboot,属于依赖关系
但是在学习springcloud之前,一定需要先了解springboot的使用

三,这里因为是快速入门,因此以EUREKA的简单集群版作为演示

在这里插入图片描述
如图所示,以Eureka作为服务注册中心

四,约定 > 配置 > 编码

1,勾选注解生效
在这里插入图片描述
文件编码改为utf-8
在这里插入图片描述
java编译器改为8
在这里插入图片描述

五,父工程(主项目)的构建

1,选择site目录
在这里插入图片描述
2,创建项目之后,修改运行方式,将run运行方式设置为run Bashboard运行方式,即修改 .idea 目录下的 wrokspace.xml 文件,在文件中添加:

<option name="configurationTypes">
      <set>
        <option value="SpringBootApplicationConfigurationType" />
      </set>
</option>

搜索RunDashboard即可
3,pom.xml

<?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>com.atgui.springcloud</groupId>
  <artifactId>cloud2020</artifactId>
  <version>1.0-SNAPSHOT</version>
  <!--子模块-->
    <modules>
        <module>provider-payment-8001</module>
        <module>consumer-order-80</module>
        <module>api-commons</module>
        <module>eureka-server-7001</module>
        <module>eureka-server-7002</module>
        <module>provider-payment-8011</module>
    </modules>
    <!--不再是默认的jar-->
  <packaging>pom</packaging>

    <!-- 统一管理jar包版本 -->
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
        <junit.version>4.12</junit.version>
        <log4j.version>1.2.17</log4j.version>
        <lombok.version>1.16.18</lombok.version>
        <mysql.version>5.1.47</mysql.version>
        <druid.version>1.1.21</druid.version>
        <mybatis.spring.boot.version>1.3.0</mybatis.spring.boot.version>
    </properties>

    <!-- 子模块继承之后,提供作用:锁定版本+子modlue不用写groupId和version  -->
    <dependencyManagement>
        <dependencies>
            <!--spring boot 2.2.2-->
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-dependencies</artifactId>
                <version>2.2.2.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <!--spring cloud Hoxton.SR1-->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Hoxton.SR1</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <!--spring cloud alibaba 2.1.0.RELEASE-->
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>2.1.0.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <version>${mysql.version}</version>
            </dependency>
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>druid</artifactId>
                <version>${druid.version}</version>
            </dependency>
            <dependency>
                <groupId>org.mybatis.spring.boot</groupId>
                <artifactId>mybatis-spring-boot-starter</artifactId>
                <version>${mybatis.spring.boot.version}</version>
            </dependency>
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>${junit.version}</version>
            </dependency>
            <dependency>
                <groupId>log4j</groupId>
                <artifactId>log4j</artifactId>
                <version>${log4j.version}</version>
            </dependency>
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <version>${lombok.version}</version>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <fork>true</fork>
                    <addResources>true</addResources>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>
六,目录总结构

在这里插入图片描述

七,先说说这个通用的api-commons

由于全局只需要这一个对象,因此把他抽取出来
在这里插入图片描述
1,pom.xml文件

<?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">
    <parent>
        <artifactId>cloud2020</artifactId>
        <groupId>com.atgui.springcloud</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>cloud-api-commons</artifactId>

    <dependencies>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.12</version>
            <scope>provided</scope>
        </dependency>
        <!--热部署工具-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
            <version>5.1.0</version>
        </dependency>
    </dependencies>
</project>

2,实体类CommonResult

package com.zheng.api.pojo;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@NoArgsConstructor
@AllArgsConstructor
public class CommonResult<T> {
    private Integer code;   //类似404
    private String message; //信息描述
    private T data;         //
    public CommonResult(Integer code,String message){
        this(code,message,null);
    }
}

3,实体类Payment

package com.zheng.api.pojo;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.io.Serializable;

@Data
@NoArgsConstructor
@AllArgsConstructor
public class Payment implements Serializable {
    private long id;
    private String serial;

    @Override
    public String toString() {
        return "Payment{" +
                "id=" + id +
                ", serial='" + serial + '\'' +
                '}';
    }
}


八,一个服务注册中心集群由两个服务注册中心组成,分别为eureka-server-7001和eureka-server-7002

1,修改本地端口号路径映射:C:\WINDOWS\system32\drivers\etc\host
在里面加入,如果加不了,则修改属性将只读改为读写
在这里插入图片描述
2,新建maven模块,使用的普通的即可。以下需要注意一下,将sdk改成如下
在这里插入图片描述
3,pom.xml

<?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">
    <parent>
        <artifactId>cloud2020</artifactId>
        <groupId>com.atgui.springcloud</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>eureka-server-7001</artifactId>
    <dependencies>
        <!--eureka的服务端包-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
        </dependency>
        <!-- boot web actuator -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <!--引入自己定义的 api 通用包-->
            <groupId>com.atgui.springcloud</groupId>
            <artifactId>cloud-api-commons</artifactId>
            <version>${project.version}</version>
        </dependency>
        <!--热部署工具-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
    </dependencies>
</project>

4,application.yml

server:
  port: 7001


eureka:
  instance:
    #eureka服务端的实例名称,最后就是用来注册到注册中心,名字随意
    hostname: eureka7001.com
  client:
    #false表示不向注册中心注册自己
    register-with-eureka: false
    #false表示自己端就是注册中心,职责是维护实例,并不需要检索服务
    fetch-registry: false
    service-url:
      #设置与Eureka Server 交互的地址查询服务和注册服务都需要依赖这个地址
      #defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/
      defaultZone: http://eureka7002.com:7002/eureka/
  #        defaultZone: http://eureka7002.com:7002/eureka/  #集群指向其他eureka
  server:
    # 关闭自我保护机制,保证不可用服务被及时剔除.默认开启保护机制 true
    enable-self-preservation: false
    eviction-interval-timer-in-ms: 2000

5,在主启动类上加入注解

//开启eureka注解,代表服务中心
@EnableEurekaServer

6,以上是其中一个注册中心,而另一个注册中心复制一模一样的代码即可,只需要修改application.yml下的端口号即可

九,两个服务提供者,分别是provider-payment-8001和provider-payment-8011

1,pom.xml

<?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">
    <parent>
        <artifactId>cloud2020</artifactId>
        <groupId>com.atgui.springcloud</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>provider-payment-8001</artifactId>
    <dependencies>
        <!--包含了sleuth+zipkin;sleuth链路监控展现,P94所需依赖-->
        <!--<dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-zipkin</artifactId>
        </dependency>
-->
        <!--客户端-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
        </dependency>
        <dependency>
            <!--引入自己定义的 api 通用包-->
            <groupId>com.atgui.springcloud</groupId>
            <artifactId>cloud-api-commons</artifactId>
            <version>${project.version}</version>
        </dependency>

        <!--下面两个一定是绑定在一块出现-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-web -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-web -->
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
        </dependency>

        <!-- https://mvnrepository.com/artifact/com.alibaba/druid -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-starter</artifactId>
            <version>1.1.10</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-jdbc -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.12</version>
            <scope>provided</scope>
        </dependency>
        <!--热部署工具-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
    </dependencies>
</project>

2,application.yml

server:
  port: 8001

spring:
  application:
    name: payment-service  #该名字可以随意起,主要用于注册中心的调用   #该名字可以随意起,主要用于注册中心的调用
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource
    driver-class-name: com.mysql.jdbc.Driver
    url: jdbc:mysql://localhost:3306/springcloud?serverTimezone=GMT%2B8&useSSL=false
    username: root
    password: zhs03171812

mybatis:
  mapper-locations: classpath:mapper/*.xml
  type-aliases-package: com.zheng.payment.pojo

#引入jar包后
eureka:
  client:
    #表示向注册中心注册自己
    register-with-eureka: true
    #false表示自己端就是注册中心,职责是维护实例,并不需要检索服务
    fetch-registry: true
    service-url:
      #设置与Eureka Server 交互的地址查询服务和注册服务都需要依赖这个地址
      #defaultZone: http://localhost:7001/eureka                      #单机版
      defaultZone: http://eureka7001.com:7001/eureka,http://eureka7002.com:7002/eureka  #集群版
  instance:
    instance-id: payment8001  #将主机名替换
    prefer-ip-address: true

3,由于服务提供者需要与数据库进行操作,则新建数据库,数据随便插入几个即可,方便用于测试
在这里插入图片描述

4,分别新建controller,service,pojo,mapper包
在这里插入图片描述
PaymentMapper接口

package com.zheng.payment.mapper;

import com.zheng.api.pojo.Payment;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Repository;

@Mapper
@Repository
public interface PaymentMapper {
    //插入数据
    public int toInsert(Payment payment);
    //通过id查询数据
    public Payment getPaymentById(@Param("id") Long id);
}

PaymentMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.zheng.payment.mapper.PaymentMapper">
    <insert id="toInsert" parameterType="com.zheng.api.pojo.Payment" useGeneratedKeys="true" keyProperty="id">
        insert into payment (serial) values (#{serial})
    </insert>
    <resultMap id="BaseResultMap" type="com.zheng.api.pojo.Payment">
        <id column="id" property="id" jdbcType="BIGINT"></id>
        <id column="serial" property="serial" jdbcType="VARCHAR"></id>
    </resultMap>
    <select id="getPaymentById" parameterType="Long" resultMap="BaseResultMap">
        select * from payment where id = #{id}
    </select>
</mapper>

PaymentServiceI接口

package com.zheng.payment.service;

import com.zheng.api.pojo.Payment;
import org.apache.ibatis.annotations.Param;


public interface PaymentServiceI {
    //插入数据
    public int toInsert(Payment payment);
    //通过id查询数据
    public Payment getPaymentById(@Param("id") Long id);
}

PaymentServiceImpl

package com.zheng.payment.service;

import com.zheng.api.pojo.Payment;
import com.zheng.payment.mapper.PaymentMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class PaymentServiceImpl implements PaymentServiceI {
    @Autowired
    private PaymentMapper paymentMapperl;
    @Override
    public int toInsert(Payment payment) {
        return paymentMapperl.toInsert(payment);
    }

    @Override
    public Payment getPaymentById(Long id) {
        return paymentMapperl.getPaymentById(id);
    }
}

主启动类上加入注解

@EnableEurekaClient
@EnableDiscoveryClient

PaymentController

package com.zheng.payment.controller;

import com.zheng.api.pojo.CommonResult;
import com.zheng.api.pojo.Payment;
import com.zheng.payment.service.PaymentServiceImpl;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@Slf4j
public class PaymentController {
    @Autowired
    private PaymentServiceImpl paymentService;
    //向外暴露服务
    @Autowired
    private DiscoveryClient discoveryClient;
    @PostMapping(value = "/payment/toInsert")
    public CommonResult toInsert(@RequestBody Payment payment){
        int result = paymentService.toInsert(payment);
        log.info("**********插入结果是" + result + "qaq");
        //无论数据是否插入成功,都得将数据给返回前端
        if(result > 0){
            return new CommonResult(200,"数据插入成功",result);
        }else{
            return new CommonResult(444,"插入数据失败",null);
        }
    }

    @GetMapping(value = "/payment/get/{id}")
    public CommonResult getPaymentById(@PathVariable("id") Long id){
        Payment payment = paymentService.getPaymentById(id);
        log.info("**********查询的结果是" + payment + "qaq");
        //无论数据是否插入成功,都得将数据给返回前端
        //return new CommonResult(200,"数据查询成功!",payment);
        if(payment != null){
            return new CommonResult(200,"数据查询成功",payment);
        }else{
            return new CommonResult(444,"插入查询失败",null);
        }
    }

    @GetMapping("payment/discovery")
    public DiscoveryClient getDiscoveryClient(){
        List<String> services = discoveryClient.getServices();
        services.forEach(e-> System.out.println(e));
        List<ServiceInstance> instances = discoveryClient.getInstances("PAYMENT-SERVICE");
        instances.forEach(e-> System.out.println(e));
        return this.discoveryClient;
    }


    @GetMapping(value = "qaq")
    public String qaq(){
        return "hello world";
    }
}

5,新创建一个新的模块作为服务提供者,只需修改端口号即可,其他代码一致

十,消费者consumer-order-80

在这里插入图片描述
1,pom.xml

<?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">
    <parent>
        <artifactId>cloud2020</artifactId>
        <groupId>com.atgui.springcloud</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>consumer-order-80</artifactId>
    <dependencies>

        <!--包含了sleuth+zipkin;sleuth链路监控展现,P94所需依赖-->
        <!--<dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-zipkin</artifactId>
        </dependency>-->

        <!--   引入eureka客户端     -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
        </dependency>
        <dependency>
            <!--引入自己定义的 api 通用包-->
            <groupId>com.atgui.springcloud</groupId>
            <artifactId>cloud-api-commons</artifactId>
            <version>${project.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.12</version>
            <scope>provided</scope>
        </dependency>
        <!--热部署工具-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

    </dependencies>

</project>

2,ApplicationContextConfig.class

package com.zheng.order.config;

import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.client.RestTemplate;

@Configuration
//告诉springboot这是一个配置类,相当于以前在spring中的applicationContext.xml配置文件
public class ApplicationContextConfig {
    //既然是相当于以前的xml的配置文件,那么就可以在里面注入对象了
    @Bean
    @LoadBalanced       //开启负载均衡机制
    public RestTemplate getRest(){
        return new RestTemplate();
    }
}

3,主程序类中添加注解

@EnableEurekaClient

4,编写OrderController类

package com.zheng.order.controller;

import com.zheng.api.pojo.CommonResult;
import com.zheng.api.pojo.Payment;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

@RestController
@Slf4j
public class OrderController {
    @Autowired
    private RestTemplate restTemplate;
    public static final String URL = "http://payment-service/";
    @GetMapping("/consumer/payment/toInsert")
    public CommonResult<Payment> toInsert(@RequestBody Payment payment){
        return restTemplate.postForObject(URL + "payment/toInsert",payment,CommonResult.class);
    }
    @GetMapping("/consumer/payment/get/{id}")
    public CommonResult<Payment> getPayment(@PathVariable Long id){
        return restTemplate.getForObject(URL+"payment/get/" + id,CommonResult.class);
    }

}
十一,测试

新开启eureka两个服务注册中心,在两个开启服务提供者,再开启一个消费者,然后五个微服务全部开启
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开始测试,由于修改了本地端口,就可以直接使用本地端口进行测试了
输入:http://eureka7002.com:7002/ 和http://eureka7001.com:7001/
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在这里插入图片描述
就可以发现服务以及注册到注册中心了
接下来测试客户端能否拿到服务端的数据
在这里插入图片描述
测试暴露的服务
在这里插入图片描述
测试插入数据
在这里插入图片描述
那肯定也保存在数据库中了!

十二,总结

简单的Eureka实现服务中心就成功地部署了!
如需代码,可以访问:https://gitee.com/zhenghuisheng/springcloud

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