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
服务提供者
新建cloud-provider-payment8004
version已经交给父工程管理
<!-- 统一管理jar包版本 --> <!-- 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>8.0.16</mysql.version> <druid.version>1.1.16</druid.version> <mybatis.spring.boot.version>1.3.0</mybatis.spring.boot.version> </properties>
pom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>mscloud03</artifactId> <groupId>com.atguigu.springcloud</groupId> <version>1.0-SNAPSHOT</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>cloud-provider-payment8004</artifactId> <dependencies> <!-- SpringBoot整合Web组件 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency><!-- 引入自己定义的api通用包，可以使用Payment支付Entity --> <groupId>com.atguigu.springcloud</groupId> <artifactId>cloud-api-commons</artifactId> <version>${project.version}</version> </dependency> <!-- SpringBoot整合zookeeper客户端 --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-zookeeper-discovery</artifactId> <!--先排除自带的zookeeper3.5.3--> <exclusions> <exclusion> <groupId>org.apache.zookeeper</groupId> <artifactId>zookeeper</artifactId> </exclusion> </exclusions> </dependency> <!--添加zookeeper3.4.9版本--> <dependency> <groupId>org.apache.zookeeper</groupId> <artifactId>zookeeper</artifactId> <version>3.4.9</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> <scope>runtime</scope> <optional>true</optional> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <optional>true</optional> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> </dependencies> </project>
yml文件
#8004表示注册到zookeeper服务器的支付服务提供者端口号 server: port: 8004 #服务别名----注册zookeeper到注册中心名称 spring: application: name: cloud-provider-payment cloud: zookeeper: connect-string: 192.168.111.144:2181
主启动类
@SpringBootApplication @EnableDiscoveryClient //该注解用于向使用consul或者zookeeper作为注册中心时注册服务 public class PaymentMain8004 { public static void main(String[] args) { SpringApplication.run(PaymentMain8004.class,args); } }
Controller 类
@RestController public class PaymentController { @Value("${server.port}") private String serverPort; @RequestMapping(value = "/payment/zk") public String paymentzk() { return "springcloud with zookeeper: "+serverPort+"\t"+ UUID.randomUUID().toString(); } }
验证测试
服务消费者
新建cloud-consumerzk-order80
pom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>mscloud</artifactId> <groupId>com.atguigu.springcloud</groupId> <version>1.0-SNAPSHOT</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>cloud-consumerzk-order81</artifactId> <dependencies> <!-- SpringBoot整合Web组件 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <!-- SpringBoot整合zookeeper客户端 --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-zookeeper-discovery</artifactId> <!--先排除自带的zookeeper--> <exclusions> <exclusion> <groupId>org.apache.zookeeper</groupId> <artifactId>zookeeper</artifactId> </exclusion> </exclusions> </dependency> <!--添加zookeeper3.4.9版本--> <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>
yml文件
server: port: 80 spring: application: name: cloud-consumer-order cloud: #注册到zookeeper地址 zookeeper: connect-string: 192.168.231.136：2181
主启动类
@SpringBootApplication @EnableDiscoveryClient public class OrderZK80 { public static void main(String[] args) { SpringApplication.run(OrderZK80.class,args); } }
配置Bean
@Configuration public class ApplicationContextBean { @Bean @LoadBalanced//负载均衡，虽然在这里没有用到 public RestTemplate getRestTemplate() { return new RestTemplate(); } }
Controler 类
@RestController public class OrderZKController { public static final String INVOKE_URL = "http://cloud-provider-payment"; @Autowired private RestTemplate restTemplate; @RequestMapping(value = "/consumer/payment/zk") public String paymentInfo() { String result = restTemplate.getForObject(INVOKE_URL+"/payment/zk", String.class); System.out.println("消费者调用支付服务(zookeeper)--->result:" + result); return result; } }
验证测试
