服务注册中心 zookeeper

前提是安装zookeeper服务

 

 

1.创建cloud-provider-payment8004的module

 

 2.改POM

pom中需要排除自身带的 zookeeper3.5.5版本，同时需要解决新引入版本和log4j的冲突。本人用的zookeeper为 3.6.2版。

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

    <artifactId>cloud-provider-payment8004</artifactId>
    <dependencies>
        <!--引入自定定义的api通用包，可以使用Payment支付实体-->
        <dependency>
            <groupId>com.ckfuture.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zookeeper3.6.0版本-->
        <dependency>
            <groupId>org.apache.zookeeper</groupId>
            <artifactId>zookeeper</artifactId>
            <version>3.6.2</version>
        </dependency>
        <!--去掉slf4j和log4j包冲突-->
        <dependency>
            <groupId>org.apache.zookeeper</groupId>
            <artifactId>zookeeper</artifactId>
            <version>3.6.2</version>
            <exclusions>
                <exclusion>
                    <groupId>org.slf4j</groupId>
                    <artifactId>slf4j-log4j12</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>log4j</groupId>
                    <artifactId>log4j</artifactId>
                </exclusion>
            </exclusions>
        </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.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-starter</artifactId>
            <version>1.1.10</version>
        </dependency>
        <!--mysql-connector-java-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
        <!--jdbc-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>
        <!--热部署devtools-->
        <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.建YML

server:
  port: 8004
spring:
  application:
    name: cloud-provider-payment
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource
    driver-class-name: org.gjt.mm.mysql.Driver
    url: jdbc:mysql://localhost:3306/standarddb?userUnicode=true&characterEncoding=utf-8&useSSL=false
    username: sa
    password: HRBJYKJ-Battery
  cloud:
    zookeeper:
      connect-string: 127.0.0.1:2181
mybatis:
  mapper-locations: classpath:mapper/*.xml
  type-aliases-package: com.atguigu.springcloud.entities

4.主启动

package com.ckfuture.springcloud;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;

@SpringBootApplication
@EnableDiscoveryClient
public class PaymentMain8004 {
    private static final Logger logger = LoggerFactory.getLogger(PaymentMain8004.class);
    public static void main(String[] args) {
        SpringApplication.run(PaymentMain8004.class,args);
        logger.info("------------ API Service8004 Start Running--------------");
    }
}

5.Controller

package com.ckfuture.springcloud.controller;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.UUID;

@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();
    }
}

6.启动8004注册进zookeeper

 

 

 启动zkcli.cmd客户端，监听程序。

输入命令“ls /”和命令"ls /services":

获取注册信息，输入命令“get /services/cloud-provider-payment/注册服务ID（上一步获取）”

 

 将得到的json串解析可以看到清晰结果：

 

 

7.验证测试

 

 

 8.消费者注册zookeeper

8.1 创建module，名命“cloud-consumerzk-order80”

8.2 改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>ckfuture-springcloud</artifactId>
        <groupId>com.ckfuture.springcloud</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>cloud-consumerzk-order80</artifactId>
    <dependencies>
        <!--引入自定定义的api通用包，可以使用Payment支付实体-->
        <dependency>
            <groupId>com.ckfuture.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zookeeper3.6.0版本去掉slf4j和log4j包冲突-->
        <dependency>
            <groupId>org.apache.zookeeper</groupId>
            <artifactId>zookeeper</artifactId>
            <version>3.6.2</version>
            <exclusions>
                <exclusion>
                    <groupId>org.slf4j</groupId>
                    <artifactId>slf4j-log4j12</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>log4j</groupId>
                    <artifactId>log4j</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <!--spring-boot整合web组件-->
        <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>

        <!--热部署devtools-->
        <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>

8.3 建YML

创建“application.yml”文件，并填写配置：

server:
  port: 80
spring:
  application:
    name: cloud-consumer-order
  cloud:
    zookeeper:
      connect-string: 127.0.0.1:2181

8.4 创建配置文件“ApplicationContextConfig”

package com.ckfuture.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;

/**
 * @descrption： 配置类
 * @author： CKFuture
 * @since： 2021-10-11 20:29
 * @version： v1.0
 * @LastEditTime：
 * @LastEditors：
 * @copyright： hrbckfuture.com
 */
@Configuration
public class ApplicationContextConfig {
    /**
     * RestTemplate 通过LoadBalanced注解赋予RestTemplate负载均衡能力
     * @return
     */
    @Bean
    @LoadBalanced
    public RestTemplate getRestTemplate(){
        return new RestTemplate();
    }
}

 

8.5主启动

package com.ckfuture.springcloud;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
/**
 * @descrption： zk消费者主启动类
 * @author： CKFuture
 * @since： 2021-10-11 20:13
 * @version： v1.0
 * @LastEditTime：
 * @LastEditors：
 * @copyright： hrbckfuture.com
 */
@SpringBootApplication
@EnableDiscoveryClient
public class OrderZKMain80 {
    private static final Logger logger = LoggerFactory.getLogger(OrderZKMain80.class);
    public static void main(String[] args) {
        SpringApplication.run(OrderZKMain80.class,args);
        logger.info("------------ OrderZKMain80 Start Running--------------");
    }
}

8.6 业务类

创建“OrderController ”

package com.ckfuture.springcloud.controller;

import com.ckfuture.springcloud.entities.CommonResult;
import com.ckfuture.springcloud.entities.Payment;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import javax.annotation.Resource;
/**
 * @descrption： zk消费者控制类
 * @author： CKFuture
 * @since： 2021-10-18 11:22
 * @version： v1.0
 * @LastEditTime：
 * @LastEditors：
 * @copyright： hrbckfuture.com
 */
@RestController
@Slf4j
public class OrderController {
    public static final String PAYMENT_URL = "http://localhost:8004"; //单机版
   // public static final String PAYMENT_URL = "http://CLOUD-PAYMENT-SERVICE";//负载均衡版

    @Resource
    private RestTemplate restTemplate;


    @GetMapping("consumer/payment/zk")
    public CommonResult<Payment> getPayment(){
        return restTemplate.getForObject(PAYMENT_URL+"/payment/zk",CommonResult.class);
    }
}

8.7 启动测试

 

 查看zookeeper监听客户端。输入“ls /services”: