SpringCloud(Hoxton)--使用zookeeper作为注册中心

落日映苍穹つ 2021-08-28 02:44 463阅读 0赞

#### cloud-provider-payment8004模拟支付模块 ####

依赖：

<?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>pers.zhang.springcloud</groupId>
            <version>1.0-SNAPSHOT</version>
        </parent>
        <modelVersion>4.0.0</modelVersion>
    
        <artifactId>cloud-provider-payment8004</artifactId>
    
        <dependencies>
            
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </dependency>
            <dependency>
                <groupId>pers.zhang.springcloud</groupId>
                <artifactId>cloud-api-commons</artifactId>
                <version>${project.version}</version>
            </dependency>
            
            <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>
            <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>

配置：application.yml

server:
      port: 8004
    
    #服务别名：注册zookeeper到注册中心名称
    spring:
      application:
        name: cloud-provider-payment
      cloud:
        zookeeper:
          connect-string: localhost:2181

启动类：

@EnableDiscoveryClient
    @SpringBootApplication
    public class PaymentMain8004 { 
        public static void main(String[] args) { 
            SpringApplication.run(PaymentMain8004.class, args);
        }
    }

Controller:

@RestController
    @Slf4j
    public class PaymentController { 
    
        @Value("${server.port}")
        private String serverPort;
    
        @RequestMapping(value = "/payment/zk")
        public String paymentzk(){ 
            return "springcloud with zookeeper:" + serverPort + "\t" + UUID.randomUUID().toString();
        }
    }

#### cloud-consumerzk-order80模拟订单模块 ####

依赖：

<?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>pers.zhang.springcloud</groupId>
            <version>1.0-SNAPSHOT</version>
        </parent>
        <modelVersion>4.0.0</modelVersion>
    
        <artifactId>cloud-consumerzk-order80</artifactId>
    
        <dependencies>
            
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </dependency>
            
            <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>
            <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>

配置：application.yml

server:
      port: 80
    
    spring:
      application:
        name: cloud-sonsumer-order
    
      cloud:
        zookeeper: #注册到zookeeper
          connect-string: localhost:2181

配置类：

@Configuration
    public class ApplicationContextConfig { 
    
        @Bean
        @LoadBalanced
        public RestTemplate getRestTemplate(){ 
            return new RestTemplate();
        }
    }

Controller:

@SpringBootApplication
    @EnableDiscoveryClient
    public class OrderZKMain80 { 
        public static void main(String[] args) { 
            SpringApplication.run(OrderZKMain80.class, args);
        }
    }

启动类：

#### 测试 ####

启动zookeeper，然后启动两个微服务：

连接zookeeper，可以看到服务已经注册：  
![在这里插入图片描述][20200316235722980.png]

在80端口调用8004的服务：

访问：`http://localhost/consumer/payment/zk`  
![在这里插入图片描述][20200316235814241.png]

[20200316235722980.png]: /images/20210813/11c9a867425b46779e43436746dbcbae.png
[20200316235814241.png]: /images/20210813/220c24f93620449a975694c7c8069049.png