CommandLineRunner (Spring Boot API)

函数接口:
这是一个函数接口, 因此可用作 lambda 表达式或方法引用的赋值目标。
```
@FunctionalInterface
public interface CommandLineRunner
```
Interface used to indicate that a bean should run when it is contained within a SpringApplication. Multiple CommandLineRunner beans can be defined within the same application context and can be ordered using the Ordered interface or @Order annotation.
If you need access to ApplicationArguments instead of the raw String array consider using ApplicationRunner.
另请参阅:
ApplicationRunner

- 方法概要
  所有方法实例方法抽象方法
  修饰符和类型方法说明
  void run(String... args)
  Callback used to run the bean.

- 方法详细资料
  - run
```
void run(String... args)
  throws Exception
```
    Callback used to run the bean.
    参数:
    args - incoming main method arguments
    抛出:
    Exception - on error