SpringCloud Hoxton版 + SpringCloud alibaba学习笔记（2）-- 服务注册与发现

比眉伴天荒 2022-12-28 06:15 205阅读 0赞

## 上一篇：[SpringCloud Hoxton版 + SpringCloud alibaba学习笔记（1）-- 基础入门][SpringCloud Hoxton_ _ SpringCloud alibaba_1_--] ##

### 服务注册中心 ###

因为Eureka停止更新了，这里就不写Eureka的内容了  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70]

### 一、SpringCloud整合Zookeeper ###

#### 1、注册中心Zookeeper ####

zookeeper是一个分布式协调工具，可以实现注册中心功能  
关闭Linux服务器防火墙后启动zookeeper服务器  
zookeeper服务器取代Eureka服务器，zk作为服务注册中心  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 1]

#### 2、Linux装zk，查下zk的ip地址 ####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 2]  
测试zk能否ping通本地ip  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 3]  
测试本地能否ping同zk的ip  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 4]

### 二、服务提供者 ###

#### 1、新建工程cloud-provider-payment8004 ####

#### 2、修改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.atguigu.springcloud</groupId>
            <version>1.0-SNAPSHOT</version>
        </parent>
        <modelVersion>4.0.0</modelVersion>
    
        <artifactId>cloud-provider-payment8004</artifactId>
    
        <dependencies>
    
            <dependency>
                <groupId>com.atguigu.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.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-zookeeper-discovery</artifactId>
            </dependency>
    
            
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-devtools</artifactId>
                <scope>runtime</scope>
                <optional>true</optional>
            </dependency>
    
            
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <optional>true</optional>
            </dependency>
    
            
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
            </dependency>
    
    
        </dependencies>
    
    </project>

#### 3、写YML，在resource下，新建application.yaml ####

server:
      port: 8004
    
    spring:
      application:
        name: cloud-provider-payment
      cloud:
        zookeeper:
          connect-string: 192.168.136.140:2181

#### 4、主启动，新建个启动类 ####

package com.atguigu.springcloud;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
    
    @SpringBootApplication
    @EnableDiscoveryClient
    public class PaymentMain8004 { 
        public static void main(String[] args) { 
            SpringApplication.run(PaymentMain8004.class,args);
        }
    }

#### 5、新建controller类 ####

package com.atguigu.springcloud.controller;
    
    import lombok.extern.slf4j.Slf4j;
    import org.springframework.beans.factory.annotation.Value;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    import java.util.UUID;
    
    @RestController
    @Slf4j
    public class PaymentController { 
    
        @Value("${server.port}")//获得yaml中server中的端口号，8004
        private String serverPort;
    
        @GetMapping(value = "/payment/zk")
        public String paymentzk(){ 
            return "springcloud with zookeeper:"+serverPort+"\t"+ UUID.randomUUID().toString();
        }
    
    }

#### 6、启动zk ####

![在这里插入图片描述][2020121422071981.png]  
![在这里插入图片描述][2020121422074223.png]  
启动成功  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 5]

#### 7、启动8004项目注册进zookeeper ####

#### 8、启动后问题 ####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 6]  
主要原因是linux上的zk版本和本地版本不一致  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 7]  
解决办法：  
在pom文件修改zk版本，排出zk冲突后的新POM

<dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-zookeeper-discovery</artifactId>
                
                <exclusions>
                    <exclusion>
                        <groupId>org.apache.zookeeper</groupId>
                        <artifactId>zookeeper</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>
                
            
            <dependency>
                <groupId>org.apache.zookeeper</groupId>
                <artifactId>zookeeper</artifactId>
                <version>3.4.9</version>
            </dependency>

#### 9、验证测试 ####

http://localhost:8004/payment/zk  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 8]

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 9]

#### 10、思考：服务节点是临时节点还是持久节点 ####

是临时节点

### 三、服务消费者 ###

#### 1、新建cloud-consumerzk-order80工程 ####

#### 2、pom.xml ####

<dependencies>
    
            <dependency>
                <groupId>com.atguigu.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.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-zookeeper-discovery</artifactId>
            </dependency>
    
            
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-devtools</artifactId>
                <scope>runtime</scope>
                <optional>true</optional>
            </dependency>
    
            
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <optional>true</optional>
            </dependency>
    
            
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
            </dependency>
    
        </dependencies>

#### 3、YAML ####

server:
      port: 80
    
    spring:
      application:
        name: cloud-consumer-order
      cloud:
        zookeeper:
          connect-string: 192.168.136.140:2181

#### 4、主启动 ####

package com.atguigu.springcloud;
    
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
    
    @SpringBootApplication
    @EnableDiscoveryClient
    public class OrderZKMain80 { 
        public static void main(String[] args) { 
            SpringApplication.run(OrderZKMain80.class,args);
        }
    }

#### 5、业务类 ####

package com.atguigu.springcloud.controller;
    
    import lombok.extern.slf4j.Slf4j;
    import org.springframework.beans.factory.annotation.Value;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    import java.util.UUID;
    
    @RestController
    @Slf4j
    public class PaymentController { 
    
        @Value("${server.port}")
        private String serverPort;
    
        @GetMapping(value = "/payment/zk")
        public String paymentzk(){ 
            return "springcloud with zookeeper:"+serverPort+"\t"+ UUID.randomUUID().toString();
        }
    
    }

##### ①、配置Bean #####

package com.atguigu.springcloud.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
    public class ApplicationContextConfig { 
    
        @LoadBalanced
        @Bean
        public RestTemplate getRestTemplate(){ 
            return new RestTemplate();
        }
    
    }

##### ⑤、Controller #####

package com.atguigu.springcloud.controller;
    
    import com.atguigu.springcloud.entities.CommonResult;
    import com.atguigu.springcloud.entities.Payment;
    import lombok.extern.slf4j.Slf4j;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.RestController;
    import org.springframework.web.client.RestTemplate;
    
    import javax.annotation.Resource;
    
    @RestController
    @Slf4j
    public class OrderZKController { 
    
        public static final String INVOME_URL = "http://cloud-provider-payment";
    
        @Resource
        private RestTemplate restTemplate;
    
        @GetMapping("/consumer/payment/zk")
        public String payment (){ 
          String result = restTemplate.getForObject(INVOME_URL+"/payment/zk",String.class);
          return result;
        }
    }

#### 6、验证测试 ####

现在有两个服务  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 10]  
http://localhost:8004/payment/zk  
![在这里插入图片描述][20201215005028119.png]  
http://localhost/consumer/payment/zk

### 四、Consul服务注册与发现 ###

#### 1、Consul简介 ####

##### ①、是什么 #####

[https://www.consul.io/intro/index.html][https_www.consul.io_intro_index.html]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 11]

##### ②、能干嘛 #####

Spring Cloud Consul具有如下特性：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 12]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 13]

##### ③、去哪下 #####

[https://www.consul.io/downloads.html][https_www.consul.io_downloads.html]

##### ④、怎么玩 #####

[https://www.springcloud.cc/spring-cloud-consul.html][https_www.springcloud.cc_spring-cloud-consul.html]

#### 2、安装并运行Consul ####

##### ①、官网安装说明 #####

[https://learn.hashicorp.com/consul/getting-started/install.html][https_learn.hashicorp.com_consul_getting-started_install.html]

##### ②、下载完成后只有一个consul.exe文件，硬盘路径下双击运行，查看版本信息 #####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 14]

##### ③、使用开发模式启动 #####

consul agent -dev  
通过以下地址可以访问Consul的首页：http;//localhost:8500  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 15]

#### 3、服务提供者 ####

##### ①、新建Module支付服务provider8006 #####

cloud-providerconsul-payment8006

##### ②、pom #####

<?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.atguigu.springcloud</groupId>
            <version>1.0-SNAPSHOT</version>
        </parent>
        <modelVersion>4.0.0</modelVersion>
    
        <artifactId>cloud-providerconsul-payment8006</artifactId>
    
        <dependencies>
            
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-consul-discovery</artifactId>
            </dependency>
    
            <dependency>
                <groupId>com.atguigu.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.springframework.boot</groupId>
                <artifactId>spring-boot-devtools</artifactId>
                <scope>runtime</scope>
                <optional>true</optional>
            </dependency>
    
            
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <optional>true</optional>
            </dependency>
    
            
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
            </dependency>
        </dependencies>
    </project>

##### ③、yaml #####

server:
      port: 8006
    
    spring:
      application:
        name: consul-provider-payment
      cloud:
        consul:
          host: localhost
          port: 8500
          discovery:
            service-name: ${ spring.application.name}

##### ④、主启动类 #####

package com.atguigu.springcloud;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
    
    @SpringBootApplication
    @EnableDiscoveryClient
    public class PaymentMain8006 { 
        public static void main(String[] args) { 
            SpringApplication.run(PaymentMain8006.class,args);
        }
    }

##### ⑤、业务类Controller #####

package com.atguigu.springcloud.controller;
    
    import lombok.extern.slf4j.Slf4j;
    import org.springframework.beans.factory.annotation.Value;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    import java.util.UUID;
    
    @RestController
    @Slf4j
    public class PaymentController { 
    
        @Value("${server.port}")
        private String serverPort;
    
        @GetMapping(value = "/payment/consul")
        public String paymentConsul(){ 
            return "springcloud with consul: "+serverPort+"\t"+ UUID.randomUUID().toString();
        }
    }

##### ⑥、验证测试 #####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 16]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 17]  
http://localhost:8006/payment/consul  
![在这里插入图片描述][20201217001849994.png]

#### 4、服务消费者 ####

##### ①、新建Module消费服务order8006 #####

cloud-consumerconsul-order80

##### ②、pom #####

<?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.atguigu.springcloud</groupId>
            <version>1.0-SNAPSHOT</version>
        </parent>
        <modelVersion>4.0.0</modelVersion>
    
        <artifactId>cloud-consumerconsul-order80</artifactId>
    
        <dependencies>
            
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-consul-discovery</artifactId>
            </dependency>
    
            <dependency>
                <groupId>com.atguigu.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.springframework.boot</groupId>
                <artifactId>spring-boot-devtools</artifactId>
                <scope>runtime</scope>
                <optional>true</optional>
            </dependency>
    
            
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <optional>true</optional>
            </dependency>
    
            
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
            </dependency>
        </dependencies>
    </project>

##### ③、yaml #####

server:
      port: 80
    
    spring:
      application:
        name: consul-consumer-order
      cloud:
        consul:
          host: localhost
          port: 8500
          discovery:
            service-name: ${ spring.application.name}

##### ④、主启动类 #####

package com.atguigu.springcloud;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
    
    @SpringBootApplication
    @EnableDiscoveryClient
    public class OrderConsulMain80 { 
        public static void main(String[] args) { 
            SpringApplication.run(OrderConsulMain80.class,args);
        }
    }

##### ⑤、配置bean #####

##### ⑥、Controller #####

package com.atguigu.springcloud.controller;
    
    import lombok.extern.slf4j.Slf4j;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.RestController;
    import org.springframework.web.client.RestTemplate;
    
    import javax.annotation.Resource;
    
    @RestController
    @Slf4j
    public class OrderConsulController { 
    
        public static final String INVOME_URL = "http://consul-provider-payment";
    
        @Resource 
        private RestTemplate restTemplate;
    
        @GetMapping("/consumer/payment/consul")
        public String payment (){ 
          String result = restTemplate.getForObject(INVOME_URL+"/payment/consul",String.class);
          return result;
        }
    }

##### ⑦、验证测试 #####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 18]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 19]

##### ⑧、访问测试地址 #####

http://localhost/consumer/payment/consul  
![在这里插入图片描述][20201217125612311.png]

#### 5、三个注册中心异同点 ####

##### ①、CAP #####

C:Consistency(强一致性)  
A:Availability(可用性)  
P:Partition tolerance(分区容错)  
CAP理论关注粒度是数据，而不是整体系统设计的策略

##### ②、经典CAP图 #####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 20]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 21]  
AP(Eureka)  
![在这里插入图片描述][20201217185916251.png]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 22]  
CP(Zookeeper/Consul)  
![在这里插入图片描述][20201217185933219.png]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 23]

##### ③、异同点 #####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70_pic_center]

## 下一篇：[SpringCloud Hoxton版 + SpringCloud alibaba学习笔记（3）-- Ribbon负载均衡服务调用][SpringCloud Hoxton_ _ SpringCloud alibaba_3_-- Ribbon] ##

[SpringCloud Hoxton_ _ SpringCloud alibaba_1_--]: https://blog.csdn.net/exodus3/article/details/111085656
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[2020121422071981.png]: https://img-blog.csdnimg.cn/2020121422071981.png
[2020121422074223.png]: https://img-blog.csdnimg.cn/2020121422074223.png
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[20201215005028119.png]: https://img-blog.csdnimg.cn/20201215005028119.png
[https_www.consul.io_intro_index.html]: https://www.consul.io/intro/index.html
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[https_www.consul.io_downloads.html]: https://www.consul.io/downloads.html
[https_www.springcloud.cc_spring-cloud-consul.html]: https://www.springcloud.cc/spring-cloud-consul.html
[https_learn.hashicorp.com_consul_getting-started_install.html]: https://learn.hashicorp.com/consul/getting-started/install.html
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[20201217001849994.png]: https://img-blog.csdnimg.cn/20201217001849994.png
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[SpringCloud Hoxton_ _ SpringCloud alibaba_3_-- Ribbon]: https://blog.csdn.net/exodus3/article/details/111322286