“Spring Boot 自动包规则原理”的版本间的差异
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Jihongchang(讨论 | 贡献) |
Jihongchang(讨论 | 贡献) |
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第3行: | 第3行: | ||
=== 引导加载自动配置类 === | === 引导加载自动配置类 === | ||
− | ==== | + | ==== @SpringBootApplication ==== |
<syntaxhighlight lang="java"> | <syntaxhighlight lang="java"> | ||
…… | …… | ||
第13行: | 第13行: | ||
</syntaxhighlight> | </syntaxhighlight> | ||
− | ===== | + | ===== @SpringBootConfiguration ===== |
<syntaxhighlight lang="java"> | <syntaxhighlight lang="java"> | ||
@Configuration | @Configuration |
2023年3月1日 (三) 02:28的版本
https://www.bilibili.com/video/BV19K4y1L7MT/?p=13
引导加载自动配置类
@SpringBootApplication
……
@SpringBootConfiguration
@EnableAutoConfiguration
@ComponentScan(excludeFilters = { @Filter(type = FilterType.CUSTOM, classes = TypeExcludeFilter.class),
@Filter(type = FilterType.CUSTOM, classes = AutoConfigurationExcludeFilter.class) })
public @interface SpringBootApplication {
@SpringBootConfiguration
@Configuration
public @interface SpringBootConfiguration {
@Configuration
代表当前是一个配置类
查看 @ComponentScan 注解源码
指定扫描哪些类包,Spring 注解;
@EnableAutoConfiguration
……
@AutoConfigurationPackage
@Import(AutoConfigurationImportSelector.class)
public @interface EnableAutoConfiguration {
……
@AutoConfigurationPackage
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Inherited
@Import(AutoConfigurationPackages.Registrar.class) //给容器中导入一个组件
public @interface AutoConfigurationPackage {