Banner (Spring Boot API)

所有已知实现类:
ImageBanner, ResourceBanner
```
public interface Banner
```
Interface class for writing a banner programmatically.
从以下版本开始:
1.2.0

嵌套类概要
嵌套类
修饰符和类型接口说明
static class Banner.Mode
An enumeration of possible values for configuring the Banner.

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`	`printBanner(org.springframework.core.env.Environment environment, Class<?> sourceClass, PrintStream out)`	Print the banner to the specified print stream.

- 方法详细资料
  - printBanner
```
void printBanner(org.springframework.core.env.Environment environment,
                 Class<?> sourceClass,
                 PrintStream out)
```
    Print the banner to the specified print stream.
    参数:
    environment - the spring environment
    sourceClass - the source class for the application
    out - the output print stream