springcloud本地服务不注册到注册中心的解决方案

-Dspring.cloud.service-registry.auto-registration.enabled=false

import org.springframework.boot.SpringApplication;
import org.springframework.boot.context.config.ConfigDataEnvironmentPostProcessor;
import org.springframework.boot.env.EnvironmentPostProcessor;
import org.springframework.core.annotation.Order;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.MapPropertySource;
import org.springframework.util.StringUtils;
import java.util.HashMap;
import java.util.Map;
/**
 * 在spring上下文构建之前可以设置一些系统配置
 * 可以在创建应用程序上下文之前，添加或者修改环境配置。
 *
 * @author double
 * @Date 2022/1/26 11:43 上午
 */
@Order(ConfigDataEnvironmentPostProcessor.ORDER + 1)
public class CustomEnvironmentPostProcessor implements EnvironmentPostProcessor {
    private static final String PROPERTY_SOURCE_NAME = "discoveryProperties";
    private static final String SERVICE_REGISTRY_CONFIG_KEY = "spring.cloud.service-registry.auto-registration.enabled";
    @Override
    public void postProcessEnvironment(ConfigurableEnvironment environment,
                                       SpringApplication application) {
        String serviceRegistry = environment.getProperty(SERVICE_REGISTRY_CONFIG_KEY);
        if(!StringUtils.hasText(serviceRegistry)) {
            boolean isLinux = System.getProperty("os.name").toLowerCase().contains("linux");
            Map<String, Object> map = new HashMap<>(1);
            map.put(SERVICE_REGISTRY_CONFIG_KEY, isLinux);
            MapPropertySource propertySource = new MapPropertySource(PROPERTY_SOURCE_NAME, map);
            environment.getPropertySources().addLast(propertySource);
        }
    }
}