【保姆级】Spring Boot如何使用Nacos配置参数

超级详细的保姆级配置教程>>>多图预警 ( ´ ▽ ` )ﾉ

新建SpringBoot项目

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生成如下目录结构：

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1.添加pom.xml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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.3.2.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.aqin</groupId>
    <artifactId>my-simulator</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>my-simulator</name>
    <description>my-simulator</description>
    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Hoxton.SR9</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>

            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>2.2.6.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </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>

        <!--nacos config-->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-alibaba-nacos-config</artifactId>
            <version>2.2.0.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-context</artifactId>
            <version>2.2.2.RELEASE</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <excludes>
                        <exclude>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok</artifactId>
                        </exclude>
                    </excludes>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

2. 在application.properties里配置端口号

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3. 新建bootstrap.properties配置Nacos信息

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4. 新建控制类并添加依赖和代码

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连接Nacos（前提是安装过了哈～安装很简单可自行🔍）

1. 启动Nacos

打开命令行，进入到你电脑的Nacos的bin目录下，我这里是：/Users/aqin1012/Java/nacos/bin

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调用sh startup.sh -m standalone启动单个Nacos

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2. 打开Nacos的配置页面（http://127.0.0.1:8848/nacos/）

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新建配置文件：

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填写配置参数：

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启动项目并测试

使用Postman进行简单的本地测试(当然用别的工具也都行～～有比postman好用的工具欢迎评论区戳俺👇～～)

(1) 直接发送请求（localhost:8085/aqin/testNacosConfig/）

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(2) 修改Nacos的配置参数并发布

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(3) 不重启服务，再次发送请求

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搞定，撒花🎉🎉🎉～～