程序配置

• 引入依赖

<!-- 参数校验 -->
<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-validation</artifactId>
  <optional>true</optional>
</dependency>
<!-- RPC 远程调用 OpenFeign -->
<dependency>
  <groupId>org.springframework.cloud</groupId>
  <artifactId>spring-cloud-starter-openfeign</artifactId>
  <optional>true</optional>
</dependency>