SpringBoot 读取yml配置文件信息

        <!--导入配置文件处理器,配置文件绑定就会有提示-->

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-configuration-processor</artifactId>

            <optional>true</optional>

        </dependency>

直接绑定对象

import lombok.Data;

import org.springframework.boot.context.properties.ConfigurationProperties;

import org.springframework.stereotype.Component;

@Component

@ConfigurationProperties(prefix ="go-fastdfs")

@Data

public class GofastdfsValue {

private Stringurl;

    private Stringgroup;

    private StringreplaceUrl;

}

直接绑定

@Value("${go-fastdfs.url}")

private StringgofastdfsUrl;

@Value("${go-fastdfs.group}")

private StringgofastdfsGroup;

@Value("${go-fastdfs.replace-url}")

private StringgofastdfsReplaceUrl;

绑定的值含有list，逗号分隔

person.last-name=沈宁

person.age=22

person.boss=false

person.brith=2019/12/01

person.maps.k1=v1

person.maps.k2=v2

person.lists=a,b,c,d,e,e,p

person.dog.name=宗臣

person.dog.age=18

@Data

@Component

public class Persons {

    //获取配置文件中的属性

    @Value("${person.last-name}")

    private String lastName;

    //直接给变量赋值

    @Value("#{11*2}")

    private Integer age;

    @Value("${person.boss}")

    private boolean boss;

    @Value("${person.brith}")

    private Date brith;

    // @Value 不支持

    private Map<String,Object> maps;

    @Value("${person.lists}")

    private List<String> lists;

    private Dog dog;

}

指定加载对象

@PropertySource(value = {"classpath:person.properties"})

@Component

@ConfigurationProperties(prefix = "person")

@Data

public class Person {

    private String lastName;

    private Integer age;

    private boolean boss;

    private Date brith;

    private Map<String,Object> maps;

    private List<String> lists;

    private Dog dog;

}