ConditionalOnMissingClass (Spring Boot API)

@Target({TYPE,METHOD})
@Retention(RUNTIME)
@Documented
@Conditional(org.springframework.boot.autoconfigure.condition.OnClassCondition.class)
public @interface ConditionalOnMissingClass

Conditional that only matches when the specified classes are not on the classpath.

- 可选元素概要
  可选元素
  修饰符和类型可选元素说明
  String[] value
  The names of the classes that must not be present.

- 元素详细资料
  - value
```
String[] value
```
    The names of the classes that must not be present.
    返回:
    the names of the classes that must not be present
    默认值:
    {}