springboot2.X手册：Eureka不更，Consul被禁，启用Nacos

引入包体

`

    4.0.0

        com.boots
        boots
        1.1.0.RELEASE

    boots-register
    boots-register
    http://maven.apache.org

        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

            com.boots
            module-boots-api
            2.0.0.RELEASE

            com.alibaba.boot
            nacos-discovery-spring-boot-starter
            0.2.7

            com.alibaba.boot
            nacos-config-spring-boot-starter
            0.2.7

配置类

`/**
* All rights Reserved, Designed By 林溪
* Copyright: Copyright(C) 2016-2020
* Company 溪云阁 .
*/

package com.boots.register.common.config;

import javax.annotation.PostConstruct;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;

import com.alibaba.nacos.api.annotation.NacosInjected;
import com.alibaba.nacos.api.exception.NacosException;
import com.alibaba.nacos.api.naming.NamingService;

/**
* Nacos配置
* @author：溪云阁
* @date：2020年6月12日
*/
@Configuration
public class NacosConfig {

@Value("${server.port}")
private int serverPort;

@Value("${spring.application.name}")
private String applicationName;

@Value("${nacos.host}")
private String nacosHost;

@NacosInjected
private NamingService namingService;

    @PostConstruct
    public void registerInstance() throws NacosException {
        namingService.registerInstance(applicationName, nacosHost, serverPort);
    }

}
`

属性文件配置

######配置基本信息###### ##配置应用端口号 server.port: 8080 ##配置应用名称 spring.application.name: boots-register ##配置时间格式,为了避免精度丢失,全部换成字符串 spring.jackson.timeZone: GMT+8 spring.jackson.dateFormat: yyyy-MM-dd HH:mm:ss spring.jackson.generator.writeNumbersAsStrings: true ##注册及配置中心地址 nacos.host: 127.0.0.1 nacos.port: 8848 nacos.config.serverAddr: ${nacos.host}:${nacos.port} nacos.discovery.serverAddr: ${nacos.host}:${nacos.port}

启动类配置

`package com.boots.register;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;

import com.alibaba.nacos.spring.context.annotation.config.NacosPropertySource;

/**
* 服务启动类
* @author：溪云阁
* @date：2020年5月2日
*/
@SpringBootApplication
@ComponentScan(basePackages = { "com.module", "com.boots" })
@NacosPropertySource(dataId = "DATA_BOOTS_ID", groupId="GROUP_BOOTS_ID", autoRefreshed = true)
public class BootsRegisterApplication {

    public static void main(String[] args) {
        SpringApplication.run(BootsRegisterApplication.class, args);
    }

}
`

接口编写

`/**
* All rights Reserved, Designed By 林溪
* Copyright: Copyright(C) 2016-2020
* Company 溪云阁 .
*/

package com.boots.register.view.register.view;

import java.util.List;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import com.alibaba.nacos.api.annotation.NacosInjected;
import com.alibaba.nacos.api.config.annotation.NacosValue;
import com.alibaba.nacos.api.exception.NacosException;
import com.alibaba.nacos.api.naming.NamingService;
import com.alibaba.nacos.api.naming.pojo.Instance;
import com.module.boots.api.message.ResponseMsg;
import com.module.boots.api.utils.MsgUtils;
import com.module.boots.exception.CommonRuntimeException;

import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.SneakyThrows;

/**
* Nacos控制器
* @author：溪云阁
* @date：2020年6月12日
*/
@Api(tags = { "web服务：查询注册中心上的信息" })
@RestController
@RequestMapping("view/minio")
public class NacosView {

@NacosInjected
private NamingService namingService;

@NacosValue(value = "${project.name:null}", autoRefreshed = true)
private String projectName;

    /**
     * 获取项目名称
     * @author 溪云阁
     * @return ResponseMsg
     */
    @ApiOperation(value = "获取项目名称")
    @GetMapping(value = "/getProjectName")
    @SneakyThrows(CommonRuntimeException.class)
    public ResponseMsg getProjectName() {
        return MsgUtils.buildSuccessMsg(projectName);
    }

    /**
     * 查询所有服务
     * @author 溪云阁
     * @param serviceName
     * @return ResponseMsg<List>
     */
    @ApiOperation(value = "查询所有服务")
    @GetMapping(value = "/getAllServices")
    @SneakyThrows({ CommonRuntimeException.class, NacosException.class })
    public ResponseMsg<List> getAllServices(@RequestParam("serviceName") String serviceName) {
        return MsgUtils.buildSuccessMsg(namingService.getAllInstances(serviceName));
    }

}
`