一、啟動nacos 服務(wù)端

需要：

• java1.8安裝和環(huán)境變量配置

• maven3.2+下載和環(huán)境變量配置

• nacos下載并按照以下操作

1、生成數(shù)據(jù)庫-執(zhí)行nacos/conf/nacos-mysql.sql文件
2、修改nacos/conf/application.properties文件

spring.datasource.platform=mysql
### Count of DB:
 db.num=1
### Connect URL of DB:
db.url.0=jdbc:mysql://127.0.0.1:3306/nacos?characterEncoding=utf8&serverTimezone=UTC&allowPublicKeyRetrieval=true
db.user=root #數(shù)據(jù)庫賬號
db.password=123456 #數(shù)據(jù)庫密碼

3、 執(zhí)行nacos啟動指令
在nacos的bin目錄下輸入:startup.cmd -m standalone

image.png

4、訪問http://localhost:8848/nacos/#/login

image.png

5、輸入賬號密碼登錄（默認：nacos nacos）

image.png

二、客戶端獲取配置信息

1、maven配置：

 <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.2.5.RELEASE</version>
    </parent>

    <properties>
        <java.version>1.8</java.version>
        <cloud.version>Hoxton.SR6</cloud.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <!--nacos整合配置中心-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>

        </dependency>

        <!--nacos整合服務(wù)-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
        </dependency>

    </dependencies>
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>

            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>0.2.2.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

2、bootstrap.yml文件

spring:
  application:
    name: wfaceboss-nacos-clicen
  cloud:
    nacos:
      discovery:
        server-addr: 127.0.0.1:8848
      config:
        server-addr: 127.0.0.1:8848
        group: DEFAULT_GROUP
        file-extension: properties
server:
  port: 8081

3、測試

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

    @Value("${wfaceboss.name}")
    private String userName;

    @RequestMapping("/getConfig")
    public String getConfig() {
        return userName;
    }

}

4、結(jié)果

image.png