spring-boot2 读取自定义yml文件 <code>YAML files cannot be loaded by using the @propertysource annotation. </code> 详见:https://docs.spring.io/spring-boot/docs/current/reference/html/boot-features-external-config.html#boot-features-external-config-yaml-shortcomings

1-YamlPropertySourceFactory.java

package com.vip.saturn.job.console.config;

import org.springframework.boot.env.YamlPropertySourceLoader;
import org.springframework.core.env.PropertySource;
import org.springframework.core.io.support.EncodedResource;
import org.springframework.core.io.support.PropertySourceFactory;

import java.io.IOException;
import java.util.List;

/**
 *
 * YAML属性配置工厂类
 *
 * @see org.springframework.core.io.support.DefaultPropertySourceFactory
 *
 * 默认只读取properties、xml配置
 *
 * @author YANGLiiN
 *
 */
public class YamlPropertySourceFactory implements PropertySourceFactory {

	@Override
	public PropertySource<?> createPropertySource(String name, EncodedResource resource) throws IOException {

		YamlPropertySourceLoader yamlPropertySourceLoader = new YamlPropertySourceLoader();
		List<PropertySource<?>> propertySources = yamlPropertySourceLoader.load(name, resource.getResource());

		if (propertySources != null && !propertySources.isEmpty()) {
			return propertySources.get(0);
		}

		return null;

	}
}

2-UNPConfig.java

package com.vip.saturn.job.console.config;


import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;

import java.util.List;
import java.util.Map;


@Configuration
@PropertySource(value = {"classpath:/alertnotice.yml"}, factory = YamlPropertySourceFactory.class, encoding = "UTF-8")
@ConfigurationProperties(prefix = "alert")
public class UNPConfig {


	// 统一通知平台服务 URL
	private static final String NAME_UNP_SERVICE_URL = "UNP_SERVICE_URL";
	public static final String UNP_SERVICE_URL = System
			.getProperty(NAME_UNP_SERVICE_URL, System.getenv(NAME_UNP_SERVICE_URL));

	// 统一通知平台服务 ACCESS_KEY
	private static final String NAME_UNP_ACCESS_KEY = "UNP_ACCESS_KEY";
	public static final String UNP_ACCESS_KEY = System
			.getProperty(NAME_UNP_ACCESS_KEY, System.getenv(NAME_UNP_ACCESS_KEY));

	// 统一通知平台服务 ACCESS_TOKEN
	private static final String NAME_UNP_ACCESS_TOKEN = "UNP_ACCESS_TOKEN";
	public static final String UNP_ACCESS_TOKEN = System
			.getProperty(NAME_UNP_ACCESS_TOKEN, System.getenv(NAME_UNP_ACCESS_TOKEN));


	// 告警短信 namespace 手机号
	private Map<String, List<String>> sms;
	// 告警短信管理员手机号
	private List<String> admins;


	public Map<String, List<String>> getSms() {
		return sms;
	}

	public void setSms(Map<String, List<String>> sms) {
		this.sms = sms;
	}

	public List<String> getAdmins() {
		return admins;
	}

	public void setAdmins(List<String> admins) {
		this.admins = admins;
	}

}

3-alertnotice.yml

alert:
  admins:
    - 181239xxxxx
    - 158765xxxxx
  sms:
    public:
      - 181239xxxxx
    dds-pro-1-A:
      - 186766xxxxx
    dds-pro-1-B:
      - 186766xxxxx
    dds-pro-1-C:
      - 186766xxxxx