定义Spring BeanBeanDefinition 是Spring Framework 中定义Bean 的配置元信息接口，包含： Bean 的类名 Bean 行为配置元素，如作用域、自动绑定的模式，生命周期回调等 其他Bean 引用，又可称作合作者（collaborators）或者依赖（dependencies） 配置设置，比如Bean 属性（Properties） BeanDef

Spring IoC 依赖查找初始准备工作创建用户类创建用户类作为示例 @Data public class User { private Long id; private String name; } 创建xml配置文件在src/main/resources/META-INF目录下创建dependency-lookup-context.xml配置文件，并

Angular 8 Demo Project Log and Experience Part 4. Issue about Component nestingComponent nesting is inevitable. Think about the structure: AppComponent ChildComponent GrandComponent GrandGrandComp

Angular 8 Demo Project Log and Experience Part 4. Issue about Component nestingComponent nesting is inevitable. Think about the structure: AppComponent ChildComponent GrandComponent GrandGrandComp

Angular 8 Demo Project Log and Experience Part 3. Decorator(Annotation)Annotation or Decorator is a function, which returns a function. Create a customer decorator @Emojiexport function Emoji() &#

Angular 8 Demo Project Log and Experience Part 2. Lifecycle HooksThe general Angular life cycle is below: This life cycle has different hooks: constructor(): This will always be called at f

Angular 8 Demo Project Log and Experience Part 1. This is a log for a Angular Demo project. Through this project, it’s a good chance to review the Angular concept and learn deeper. This part 1 focu

ConceptFunctional programming is a programming paradigm - a style of building the structure and elements of computer programs. The flag that you handle function programming: Familiar to use Stream A

The basic role of Component, Module and RouterComponentComponent is the key of Angular, and is the core goal of the whole framework. The component can encapsulate the logic inside the component. The

A collection of simple Spring Boot Error JDBC driverError tips:org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.springframework.boot.autoconf