- 实现EnvironmentPostProcessor
import cn.hutool.http.HttpUtil;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.env.EnvironmentPostProcessor;
import org.springframework.boot.env.YamlPropertySourceLoader;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.PropertySource;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.Resource;import java.io.IOException;public class CustomEnvironmentPostProcessor implements EnvironmentPostProcessor {@Overridepublic void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication application) {// 方法将被调用两次，加载配置文件之前，加载配置文件之后（加载文件之前就不调用）if (environment.getActiveProfiles().length == 0) {return;}// 获取配置String yamlContent = HttpUtil.get("");// 将YAML内容转换为字节数组，以便加载byte[] yamlBytes = yamlContent.getBytes();// 创建一个ByteArrayResource对象，用于加载YAML内容Resource resource = new ByteArrayResource(yamlBytes);YamlPropertySourceLoader loader = new YamlPropertySourceLoader();PropertySource<?> propertySource = null;try {propertySource = loader.load("remoteConfig", resource).get(0);} catch (IOException e) {throw new RuntimeException(e);}environment.getPropertySources().addFirst(propertySource);}
}- 添加配置
resources->META-INF->spring.factories
org.springframework.boot.env.EnvironmentPostProcessor=\
com.你的包.CustomEnvironmentPostProcessor启动项目即可
