下面总结下依赖解析的整个过程: ApplicationContext创建并且读取元配置信息生成BeanDefinition对象 对于每个Bean,其依赖通过properties,constructor arguments ,static-factory
its dependencies are expressed in the form of properties, constructor arguments, or arguments to the static-factory
its dependencies are expressed in the form of properties, constructor arguments, or arguments to the static-factory