SpringBoot配置-yml配置与实体类绑定，获取yml中配置的值

1.新建一个springboot项目

2.引入相关依赖

 1     <dependencies>
 2         <dependency>
 3             <groupId>org.springframework.boot</groupId>
 4             <artifactId>spring-boot-starter-web</artifactId>
 5         </dependency>
 6 
 7         <!--编写测试代码的依赖-->
 8         <dependency>
 9             <groupId>org.springframework.boot</groupId>
10             <artifactId>spring-boot-starter-test</artifactId>
11             <scope>test</scope>
12         </dependency>
13 
14         <!--和yml配置文件绑定所需要的依赖-->
15         <dependency>
16             <groupId>org.springframework.boot</groupId>
17             <artifactId>spring-boot-configuration-processor</artifactId>
18             <optional>true</optional>
19         </dependency>
20     </dependencies>