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快速搭建gateway并接入nacos，并使用nacos配置文件

news 来源：原创 2025/6/30 22:30:05

前言：

本文使用springboot版本2.3.7，springCloud:Hoxton.SR9,springCloudAlibaba:2.2.6.RELEASE,使用时候需要注意版本搭配，否则可能出现奇怪问题

搭建步骤

1、使用idea搭建一个空白项目gateway

2、POM引入下面依赖

 <properties>
        <java.version>11</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <spring-boot.version>2.3.7.RELEASE</spring-boot.version>
        <spring-cloud.version>Hoxton.SR9</spring-cloud.version>
        <spring-cloud-alibaba.version>2.2.6.RELEASE</spring-cloud-alibaba.version>
    </properties>
    <dependencies>

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

        <!--gateway网关-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-gateway</artifactId>
        </dependency>

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

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

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

        <!--nacos服务器注册发现-->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
        </dependency>

        <!--nacos配置中心-->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <scope>provided</scope>
        </dependency>
        
    </dependencies>
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-dependencies</artifactId>
                <version>${spring-boot.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>${spring-cloud-alibaba.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

3、启动本地nacos

ncaos可以是windows本地的或者linux的都可以，我这里使用本地nacos，启动后访问loalhost:8848 目前是没有服务的

4、添加启动类注解和nacos注册以及配置信息

gateway启动类添加 @EnableDiscoveryClient 注解，亲测不添加也可以

配置nacos注册中心地址，application.yml添加如下内容：

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

配置nacos配置中心，在bootstrap.yml中添加如下内容，如果没有这个文件也可以直接在上面application.yml中添加。

spring:
  application:
    name: gateway
  cloud:
    nacos:
      discovery:
        enabled: true
        service: ${spring.application.name}
      config:
        enabled: true
        encode: UTF-8
        file-extension: yml

5、在nacos中配置gateway的内容，方便实时更新，内容如下：

spring:
  cloud:
    gateway:
      routes:
        - id: baidu
          uri: https://www.baidu.com
          predicates:
            - Path=/
        - id: user-service-login
          uri: lb://user-service
          predicates:
            - Path=/user-service/user/login
          filters:
            - StripPrefix=1
#            - PrefixPath=/
        - id: user-service-info
          uri: lb://user-service
          predicates:
            - Path=/user-service/user/info
          filters:
            - StripPrefix=1
            - Auth