上篇文章讲了nacos的搭建，这回讲一下项目中nacos的使用，一般项目中都会用nacos做服务注册中心和服务配置中心。 服务注册中心，故名思意，是将服务注册到nacos进行统一管理的，包含服务的名称、分组名称、集群数目、实例数、健康实例数、触发保护阈值等信息。同时可以设置服务的权重，是否上线等控制。 image.png

1.创建maven项目在pom文件中引入nacos依赖

<?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">
    <modelVersion>4.0.0</modelVersion>

    <groupId>org.example</groupId>
    <artifactId>minio</artifactId>
    <version>1.0-SNAPSHOT</version>
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>2021.0.1.0</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>LATEST</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
            <version>2.6.3</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <version>2.6.3</version>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
            <version>1.18.22</version>
        </dependency>
        <dependency>
            <groupId>io.minio</groupId>
            <artifactId>minio</artifactId>
            <version>7.0.1</version>
        </dependency>
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.6</version>
        </dependency>
        <!-- 增加nacos配置 注册中心-->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
        </dependency>

        <!-- 增加nacos配置 配置中心-->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
        </dependency>
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal><!--可以把依赖的包都打包到生成的Jar包中 -->
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

</project>

2.新建bootstrap.properties或application.yml文件

application.yml image.png 其中namespace命名空间通过Naxos管理端创建即可 image.png

获取nacos配置参数minio-config-client-dev.yaml

minio:
    endpoint: http://172.20.233.252:9000
    accesskey: fileadmin
    secretKey: fileadmin
spring:
    servlet:
        multipart:
            max-file-size: 10MB
            max-request-size: 100MB

package com.ctsi.ssdx.config;

import lombok.Data;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

/**
 * @Author : lizzu
 * @create 2022/8/11 14:24
 */
@Data
//@ConfigurationProperties(prefix = "minio")
@Component
public class MinioProp {

    @Value("${minio.endpoint}")
    private String endpoint;

    @Value("${minio.accesskey}")

    private String accesskey;

    @Value("${minio.secretKey}")
    private String secretKey;

}

启动服务获取参数及检查服务注册情况 image.png