使用Spring从YAML文件读取内容映射为Map方式

server:
  port: 8090
  application:
    name: myapplication
    url: http://myapplication.com

server:
  application:
    name: InjectMapFromYAML
    url: http://injectmapfromyaml.dev
    description: How To Inject a map from a YAML File in Spring Boot
  config:
    ips:
      - 10.10.10.10
      - 10.10.10.11
      - 10.10.10.12
      - 10.10.10.13
    filesystem:
      - /dev/root
      - /dev/md2
      - /dev/md4
  users: 
    root:
      username: root
      password: rootpass
    guest:
      username: guest
      password: guestpass

@Configuration
@ConfigurationProperties(prefix = "server")
@Data
public class MapServerProperties {
    private Map<String, String> application;
    private Map<String, List<String>> config;
    private Map<String, Credential> users;
    @Data
    public static class Credential {
        private String username;
        private String password;
    }
}

@RunWith(SpringRunner.class)
@SpringBootTest
public class MapFromYamlIntegrationTest {
    @Autowired
    private MapServerProperties mapServerProperties;
    @Test
    public void whenYamlFileProvidedThenInjectSimpleMap() {
        assertThat(mapServerProperties.getApplication())
                .containsOnlyKeys("name", "url", "description");
        assertThat(mapServerProperties.getApplication()
                .get("name")).isEqualTo("InjectMapFromYAML");
    }
    @Test
    public void whenYamlFileProvidedThenInjectComplexMap() {
        assertThat(mapServerProperties.getConfig()).hasSize(2);
        assertThat(mapServerProperties.getConfig()
                .get("ips")
                .get(0)).isEqualTo("10.10.10.10");
        assertThat(mapServerProperties.getUsers()
                .get("root")
                .getUsername()).isEqualTo("root");
    }
}

tes:
  maps: {key1: 12,key2: 34}

tes:
  maps:
    key1: 15
    key2: 2

package com.etc.lzg;
import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.stereotype.Component;
import java.util.Map;
@Data
@Component
//@Configuration //这个我这里虽然存在时能成功,不过我注释了也是可以的,这个是看网上有人写就跟着写上的
//@PropertySource(value = {"classpath:/application.yml"}, encoding = "utf-8") //有的人是写了这个注解能成功,但是我这边不能有这个注解,有的话,就连编译都会报错
@ConfigurationProperties(prefix = "tes")
public class MapTest {
    private Map<String, String> maps;
}

package com.etc.lzg;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest
public class LzgApplicationTests {
    @Autowired
    private MapTest mapTest;
    
    @Test
    public void contextLoads() {
        System.out.println(mapTest.toString());
        System.out.println("key1="+mapTest.getMaps().get("key1"));
    }
}