Spring Boot 配置文件类型properties 格式与yml 格式

server.port=8090
server.session-timeout=30
server.tomcat.max-threads=0
server.tomcat.uri-encoding=UTF-8

spring.datasource.url=jdbc:mysql://localhost:3306/newbirds
spring.datasource.username=root
spring.datasource.password=mymysql
spring.datasource.driverClassName=com.mysql.jdbc.Driver
spring.jpa.database=MYSQL
spring.jpa.show-sql=true
spring.jpa.hibernate.ddl-auto=update
spring.jpa.hibernate.naming-strategy=org.hibernate.cfg.ImprovedNamingStrategy
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect

server:
  port: 8090
  session-timeout: 30
  tomcat.max-threads: 0
  tomcat.uri-encoding: UTF-8
spring:
  datasource:
    url: jdbc:mysql://localhost:3306/newbirds
    username: root
    password: mymysql
    driverClassName: com.mysql.jdbc.Driver
  jpa:
    database: MYSQL
    show-sql: true
    hibernate:
      ddl-auto: update
      naming-strategy: org.hibernate.cfg.ImprovedNamingStrategy
    properties:
      hibernate:
      dialect : org.hibernate.dialect.MySQL5Dialect

ppid = 1000
mmid = 1
ccid = 10

# 自定义的一些属性
user:
  info:
    name: tuacy
    age: 27

@RunWith(SpringRunner.class)
@SpringBootTest()
public class PropertiesTest {
    private Environment environment;
    @Autowired
    public void setEnvironment(Environment environment) {
        this.environment = environment;
    }
    @Test
    public void test() {
        String name = environment.getProperty("user.info.name");
        Integer age = environment.getProperty("user.info.age", Integer.class);
        System.out.println("name = " + name + "; age = " + age);
        
    }
}

@RunWith(SpringRunner.class)
@SpringBootTest()
public class PropertiesTest {
    @Value("${user.info.name}")
    private String name;
    @Value("${user.info.age}")
    private int age;
    @Test
    public void test() {
        System.out.println("name = " + name + "; age = " + age);
    }
}

@Configuration
@ConfigurationProperties(prefix = "user.info")
public class UserInfo {
    private int age;
    private String name;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
}

ppid = 1000
mmid = 1
ccid = 10

@Configuration
@PropertySource(value = "classpath:product.properties", encoding = "utf-8")
public class ProductInfo {
    @Value("${ppid}")
    private int pid;
    @Value("${mmid}")
    private int mid;
    @Value("${ccid}")
    private int cid;
    public int getPid() {
        return pid;
    }
    public void setPid(int pid) {
        this.pid = pid;
    }

    public int getMid() {
        return mid;
    }

    public void setMid(int mid) {
        this.mid = mid;
    }

    public int getCid() {
        return cid;
    }

    public void setCid(int cid) {
        this.cid = cid;
    }
}

admin:
  user:
    name: tuacy
    age: 25

@Configuration
@PropertySource(value = "classpath:role.yml")
@ConfigurationProperties(prefix = "admin.user")
public class RoleUserInfo {

    @Value("${name}")
    private String name;
    @Value("${age}")
    private int age;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }
}