「Nacos」SpringCloud接入阿里巴巴配置&註冊&發現

### 安裝

https://nacos.io/zh-cn/docs/quick-start.html

### 啟動

sh ./bin/startup.sh -m standalone

### 登錄

http://localhost:8848/nacos

賬號/密碼：nacos/nacos

## 服務註冊發現

### 在pom.xml中添加依賴

<dependency>
 <groupid>org.springframework.cloud/<groupid>
 <artifactid>spring-cloud-starter-alibaba-nacos-discovery/<artifactid>
 <version>0.9.0.RELEASE/<version>
/<dependency>

注意取消eureka

<dependency>
 <groupid>org.springframework.cloud/<groupid>
 <artifactid>spring-cloud-starter-netflix-eureka-client/<artifactid>
/<dependency>

### 在bootstrap.yml中配置

spring:
 cloud:
 nacos:
 discovery:
 server-addr: 127.0.0.1:8848

服務配置管理

https://github.com/alibaba/spring-cloud-alibaba/wiki/Nacos-config

### 在pom.xml中添加依賴（SpringCloud-注意版本）

<parent>
 <groupid>org.springframework.boot/<groupid>
 <artifactid>spring-boot-starter-parent/<artifactid>
 <version>2.1.6.RELEASE/<version>
 <relativepath>
/<parent>
<properties>
 <spring-cloud.version>Greenwich.SR2/<spring-cloud.version>
 <alibaba-cloud.version>0.9.0.RELEASE/<alibaba-cloud.version>
/<properties>
<dependencymanagement>
 <dependencies>
 <dependency>
 <groupid>org.springframework.cloud/<groupid>
 <artifactid>spring-cloud-dependencies/<artifactid>
 <version>${spring-cloud.version}/<version>
 <type>pom/<type>
 <scope>import/<scope>
 /<dependency>
 <dependency>
 <groupid>org.springframework.cloud/<groupid>
 <artifactid>spring-cloud-alibaba-dependencies/<artifactid>
 <version>${alibaba-cloud.version}/<version>
 <type>pom/<type>
 <scope>import/<scope>
 /<dependency>
 /<dependencies>
/<dependencymanagement>

<dependency>
 <groupid>org.springframework.cloud/<groupid>
 <artifactid>spring-cloud-starter-alibaba-sentinel/<artifactid>
/<dependency>

<dependency>
 <groupid>org.springframework.cloud/<groupid>
 <artifactid>spring-cloud-starter-alibaba-nacos-discovery/<artifactid>
/<dependency>

<dependency>
 <groupid>org.springframework.cloud/<groupid>
 <artifactid>spring-cloud-starter-alibaba-nacos-config/<artifactid>
/<dependency>

### 在bootstrap.yml中配置

spring:
 profiles: local
 cloud:
 sentinel:
 transport:
 dashboard: localhost:8080
 nacos:
 discovery:
 server-addr: 127.0.0.1:8848
 config:
 server-addr: 127.0.0.1:8848
 namespace: 215526b1-4b5c-46ec-ba6d-1d9be9730c5c
 group: DEFAULT_GROUP
 refresh:
 enabled: true

### 測試控制器

@RestController
@Slf4j
@RefreshScope
public class TestController extends BaseController {
 @Value(value = "${local:value}")
 private String local;
 @Autowired
 private NacosRefreshProperties nacosRefreshProperties;
 @GetMapping("testes/info")
 public Result info(){
 log.info("local={}, nacosRefreshProperties={}", local, com.alibaba.fastjson.JSON.toJSON(nacosRefreshProperties));
 return Result.success(local);
 }
}