SpringBoot集成nacos示例

一、引入pom

   <dependency>   <groupId>com.alibaba.cloud</groupId>   <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>   <version>2.2.1.RELEASE</version>  </dependency>  <dependency>   <groupId>com.alibaba.cloud</groupId>   <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>   <version>2.2.1.RELEASE</version>  </dependency>

二、resource目录下添加bootstrap.properties

server.port=8080#命名空间spring.cloud.nacos.config.namespace=xxx#nacos地址spring.cloud.nacos.config.server-addr=x.x.x.x:x#配置文件一spring.cloud.nacos.config.extension-configs[0].data-id=xxx.yamlspring.cloud.nacos.config.extension-configs[0].refresh=truespring.cloud.nacos.config.extension-configs[0].group=DEFAULT_GROUP#配置文件二spring.cloud.nacos.config.extension-configs[1].data-id=xxx.yamlspring.cloud.nacos.config.extension-configs[1].refresh=truespring.cloud.nacos.config.extension-configs[1].group=DEFAULT_GROUP

三、读取nacos配置文件的工具类

import com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder;import com.alibaba.cloud.nacos.client.NacosPropertySourceLocator;import com.alibaba.nacos.api.exception.NacosException;import lombok.extern.slf4j.Slf4j;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration;import org.springframework.cloud.bootstrap.config.PropertySourceLocator;import org.springframework.stereotype.Component;import java.lang.reflect.Field;import java.util.List;@Component@Slf4jpublic class NacosConfig {  @Autowired private PropertySourceBootstrapConfiguration propertySourceBootstrapConfiguration;  public String getData(String group,String dataId,long timeout){  try {   Field propertySourceLocators = PropertySourceBootstrapConfiguration.class.getDeclaredField("propertySourceLocators");   propertySourceLocators.setAccessible(true);   List<PropertySourceLocator> list = (List<PropertySourceLocator>)propertySourceLocators.get(propertySourceBootstrapConfiguration);   NacosPropertySourceLocator nacosLocator = null;   for(PropertySourceLocator locator : list){    if(locator instanceof NacosPropertySourceLocator){     nacosLocator = (NacosPropertySourceLocator)locator;    }   }   if(nacosLocator == null){    return null;   }   Field nacosPropertySourceBuilderField = NacosPropertySourceLocator.class.getDeclaredField("nacosPropertySourceBuilder");   nacosPropertySourceBuilderField.setAccessible(true);   NacosPropertySourceBuilder nacosPropertySourceBuilder = (NacosPropertySourceBuilder)nacosPropertySourceBuilderField.get(nacosLocator);   String config = nacosPropertySourceBuilder.getConfigService().getConfig(dataId, group, timeout);   return config;  } catch (NoSuchFieldException | IllegalAccessException | NacosException e) {   log.error("nacos工具异常",e);  }  return null; }}

四、在需要用到的地方注入

@Autowired private NacosConfig nacosConfig;nacosConfig.getData("DEFAULT_GROUP", "xxx.yaml", 30000);

　　

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一、引入pom<dependency><groupId>com.alibaba.cloud</groupId><artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId><version>2.2.1.RELEASE</version></
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