## 类的使用
org.springframework.beans.factory.InjectionPoint

- 使用InjectionPoint的程序包
  程序包 | 说明
  --- | ---
  org.springframework.beans.factory | The core package implementing Spring's lightweight Inversion of Control (IoC) container.
  org.springframework.beans.factory.config | SPI interfaces and configuration-related convenience classes for bean factories.

- - ### org.springframework.beans.factory中InjectionPoint的使用

    返回InjectionPoint的org.springframework.beans.factory中的方法
    限定符和类型 | 方法和说明
    --- | ---
    `InjectionPoint` | UnsatisfiedDependencyException.`getInjectionPoint()` Return the injection point (field or method/constructor parameter), if known.

    参数类型为InjectionPoint的org.springframework.beans.factory中的构造器
    构造器和说明
    `InjectionPoint(InjectionPoint original)` Copy constructor.
    `UnsatisfiedDependencyException(String resourceDescription, String beanName, InjectionPoint injectionPoint, BeansException ex)` Create a new UnsatisfiedDependencyException.
    `UnsatisfiedDependencyException(String resourceDescription, String beanName, InjectionPoint injectionPoint, String msg)` Create a new UnsatisfiedDependencyException.

  - ### org.springframework.beans.factory.config中InjectionPoint的使用

    org.springframework.beans.factory.config中InjectionPoint的子类
    限定符和类型 | 类和说明
    --- | ---
    `class` | `DependencyDescriptor` Descriptor for a specific dependency that is about to be injected.