## 接口的使用
org.springframework.util.backoff.BackOff

- 使用BackOff的程序包
  程序包 | 说明
  --- | ---
  org.springframework.util.backoff | A generic back-off abstraction.

- - ### org.springframework.util.backoff中BackOff的使用

    实现BackOff的org.springframework.util.backoff中的类
    限定符和类型 | 类和说明
    --- | ---
    `class` | `ExponentialBackOff` Implementation of `BackOff` that increases the back off period for each retry attempt.
    `class` | `FixedBackOff` A simple `BackOff` implementation that provides a fixed interval between two attempts and a maximum number of retries.