{"id":567,"date":"2021-09-28T19:28:54","date_gmt":"2021-09-28T11:28:54","guid":{"rendered":"https:\/\/explause.com\/?p=567"},"modified":"2021-09-28T19:29:44","modified_gmt":"2021-09-28T11:29:44","slug":"classpath%e6%89%ab%e6%8f%8f%e5%92%8c%e7%ae%a1%e7%90%86%e7%bb%84%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/devdoge.org\/?p=567","title":{"rendered":"Classpath\u626b\u63cf\u548c\u7ba1\u7406\u7ec4\u4ef6"},"content":{"rendered":"\n

@Component<\/strong><\/code>\u548c\u7c7b\u4f3c\u7684\u6ce8\u89e3\uff1a@Repository<\/strong>\u7528\u4e8eDao\u5c42\uff0c@Component<\/strong>\u7528\u4e8eSpring\u7ba1\u7406\u7684\u901a\u7528\u7684\u7ec4\u4ef6\u3002
@Repository<\/strong><\/code>\uff0c@Service<\/strong><\/code>\uff0c\u548c@Controller<\/strong><\/code>\u90fd\u662f\u7279\u522b\u7248\u7684@Component<\/strong>\uff0c\u7528\u4e8e\u7279\u5b9a\u7528\u9014\u3002<\/p>\n\n\n\n

\u6bd4\u5982\uff1a@Service<\/strong>\u6ce8\u89e3\u662f\u7531@Component<\/strong>\u6ce8\u89e3\u548c\u5143\u6ce8\u89e3\u5b9a\u4e49\u51fa\u6765\u7684\uff1a<\/p>\n\n\n\n

@Target(ElementType.TYPE)\n@Retention(RetentionPolicy.RUNTIME)\n@Documented\n@Component \npublic @interface Service {\n\n    \/\/ ...\n}<\/code><\/pre>\n\n\n\n
@RestController<\/strong>\u662f\u7531@Controller<\/strong>\u548c@ResponseBody<\/strong>\u7ec4\u5408\u6210\u7684\u3002<\/p>\n\n\n\n
\u81ea\u52a8\u63a2\u6d4b\u7c7b\u548c\u6ce8\u518cbean\uff1a<\/strong><\/p>\n\n\n\n
\u7ed9@Configuration<\/strong>\u4fee\u9970\u7684\u7c7b\u6dfb\u52a0@ComponentScan<\/strong>\u6ce8\u89e3\u3002
\u6709\u4e00\u4e2abasePackages<\/strong>\u5c5e\u6027\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u626b\u63cf\u7684\u5305\u8303\u56f4\uff0c\u4e00\u822c\u662f\u7c7b\u7684\u7236\u5305\u3002
\u4e5f\u53ef\u4ee5\u4f7f\u7528\u9017\u53f7\u6216\u8005\u5206\u53f7\u6307\u5b9a\u626b\u63cf\u591a\u4e2a\u5305\u3002<\/p>\n\n\n\n
@Configuration\n@ComponentScan(basePackages = \"org.example\")\npublic class AppConfig  {\n    \/\/ ...\n}<\/code><\/pre>\n\n\n\n
\u5728xml\u914d\u7f6e\u91cc\u7684\u7b49\u4ef7\u4f8b\u5b50\uff1a<\/p>\n\n\n\n
<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<beans xmlns=\"http:\/\/www.springframework.org\/schema\/beans\"\n    xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"\n    xmlns:context=\"http:\/\/www.springframework.org\/schema\/context\"\n    xsi:schemaLocation=\"http:\/\/www.springframework.org\/schema\/beans\n        https://www.springframework.org\/schema\/beans\/spring-beans.xsd\n        http:\/\/www.springframework.org\/schema\/context\n        https:\/\/www.springframework.org\/schema\/context\/spring-context.xsd\">\n\n    <context:component-scan base-package=\"org.example\"\/>\n\n<\/beans><\/code><\/pre>\n\n\n\n
\u6ce8\u610f\uff1a<context:component-scan>\u9690\u5f0f\u5f00\u542f<context:annotation-config>\uff0c
\u6240\u4ee5\u4e0d\u9700\u8981\u6dfb\u52a0<context:annotation-config>\u3002
AutowiredAnnotationBeanPostProcessor<\/strong>\u548cCommonAnnotationBeanPostProcessor<\/strong>\u4e5f\u88ab\u9690\u5f0f\u5305\u542b\u3002<\/p>\n\n\n\n
\u4f7f\u7528\u8fc7\u6ee4\u5668\u5b9a\u5236\u626b\u63cf\u884c\u4e3a<\/strong>
\uff08MyBatis\u7684\u62e6\u622a\u5668\u4e5f\u4f1a\u7528\u5230\u7c7b\u4f3c\u7684\uff09<\/p>\n\n\n\n
\u4f7f\u7528@ComponentScan\u6ce8\u89e3\u7684includeFilters<\/strong>\u6216excludeFilters<\/strong>\u5c5e\u6027\u6dfb\u52a0\u8fc7\u6ee4\u5668\uff0c
\u8fc7\u6ee4\u5668\u6709\u4e24\u4e2a\u5c5e\u6027\uff0ctype\u548cpattern\u3002<\/p>\n\n\n\n
\u8fc7\u6ee4\u5668\u7c7b\u578b\uff1a<\/p>\n\n\n\n
Filter Type<\/strong><\/td>Example<\/strong><\/td>Description<\/strong><\/td><\/tr>
FilterType.ANNOTATION<\/td>org.example.SomeAnnotation<\/td>\u5339\u914d\u88ab\u6ce8\u89e3\u7684\u7ec4\u4ef6<\/td><\/tr>
FilterType.ASSIGNABLE_TYPE<\/td>org.example.SomeClass<\/td>\u7c7b\u548c\u5b83extends\u548cimplements\u7684\u7c7b<\/td><\/tr>
FilterType.ASPECTJ<\/em><\/td>org.example..*Service+<\/td>\u5339\u914d\u8fd9\u4e2a\u5207\u9762<\/td><\/tr>
FilterType.REGEX<\/em><\/td>org\\.example\\.Default.*<\/td>\u5339\u914d\u6b63\u5219\u8868\u8fbe\u5f0f<\/td><\/tr>
FilterType.CUSTOM<\/em><\/td>org.example.MyTypeFilter<\/td>\u5b9e\u73b0org.springframework.core.type.TypeFilter\u7684\u7c7b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u4f7f\u7528\u4f8b\u5b50\uff1a<\/p>\n\n\n\n
@Configuration\n@ComponentScan(basePackages = \"org.example\",\n        includeFilters = @Filter(type = FilterType.REGEX, pattern = \".*Stub.*Repository\"),\n        excludeFilters = @Filter(Repository.class))\npublic class AppConfig {\n    ...\n}<\/code><\/pre>\n\n\n\n
\u7b49\u4ef7\u7684xml\u914d\u7f6e\uff1a<\/p>\n\n\n\n
<beans>\n    <context:component-scan base-package=\"org.example\">\n        <context:include-filter type=\"regex\"\n                expression=\".*Stub.*Repository\"\/>\n        <context:exclude-filter type=\"annotation\"\n                expression=\"org.springframework.stereotype.Repository\"\/>\n    <\/context:component-scan>\n<\/beans><\/code><\/pre>\n\n\n\n
\u53ef\u4ee5\u5173\u95ed\u9ed8\u8ba4\u7684\u8fc7\u6ee4\u5668\u4ee5\u7981\u6b62\u81ea\u52a8\u63a2\u6d4b
@Component<\/strong><\/code>\uff0c@Repository<\/strong><\/code>\uff0c@Service<\/strong><\/code>\uff0c@Controller<\/strong><\/code>\uff0c@RestController<\/strong><\/code>\u6216@Configuration<\/strong><\/code>
\u4fee\u9970\u7684\u7c7b\uff1a<\/p>\n\n\n\n
@ComponentScan(useDefaultFilters=false)<\/strong>\u6216\uff1a
<component-scan use-default-filters=”false”\/><\/strong><\/p>\n\n\n\n
\u5728\u7ec4\u4ef6\u91cc\u5b9a\u4e49bean<\/strong><\/p>\n\n\n\n
\u5b9a\u4e49\u4e00\u4e2a\u7c7b\uff0c\u7528
@Component<\/strong><\/code>\uff0c@Repository<\/strong><\/code>\uff0c@Service<\/strong><\/code>\uff0c@Controller<\/strong><\/code>\uff0c@RestController<\/strong><\/code>\u6216@Configurati<\/strong><\/code>on<\/strong>
\u4fee\u9970\u5b83\uff0c\u7136\u540e\u5728\u5b83\u91cc\u9762\u7528@Bean<\/strong>\u4fee\u9970\u8fd4\u56de\u5bf9\u8c61\u7684\u65b9\u6cd5\uff0c\u5373\u53ef\u81ea\u52a8\u5c06\u5bf9\u8c61\u6ce8\u518c\u6210bean\uff1a<\/p>\n\n\n\n
@Component\npublic class FactoryMethodComponent {\n\n    @Bean\n    @Qualifier(\"public\")\n    public TestBean publicInstance() {\n        return new TestBean(\"publicInstance\");\n    }\n\n    public void doWork() {\n        \/\/ \u7ec4\u4ef6\u5185\u7684\u65b9\u6cd5\u4f1a\u88ab\u5ffd\u7565\n    }\n}<\/code><\/pre>\n\n\n\n
\u8fd8\u53ef\u4ee5\u5c06@Bean<\/strong>\u548c@Qualifier<\/strong>\u3001@Scope<\/strong><\/code>\u6216@Lazy<\/strong><\/code>\u7b49\u4fee\u9970bean\u7684\u6ce8\u89e3\u7ec4\u5408\u4f7f\u7528\u3002
\u8fd9\u79cd\u751f\u6210bean\u7684\u65b9\u6cd5\u4e5f\u79f0\u4f5c\u5de5\u5382\u65b9\u6cd5<\/strong>\u3002<\/p>\n\n\n\n
\u4eceSpring4.3\u7248\u672c\u5f00\u59cb\uff0c\u53ef\u4ee5\u5c06InjectionPoint\u6216\u8005\u5b83\u7684\u66f4\u8be6\u7ec6\u7684\u5b50\u7c7bDependencyDescriptor\u7c7b\u578b\u4f5c\u4e3a\u5de5\u5382\u65b9\u6cd5\u7684\u53c2\u6570\u3002\u7528\u4e8e\u8bbf\u95ee\u521b\u5efa\u5f53\u524dbean\u7684\u6ce8\u5165\u70b9\uff0c\u800c\u4e0d\u662f\u6ce8\u5165\u73b0\u6709\u7684bean\u3002\u7528\u4e8e\u751f\u6210prototype\u7684bean\u3002
\u5bf9\u4e8e\u522b\u7684\u4f5c\u7528\u57df\u7684bean\uff0c\u53ea\u5728\u521b\u5efa\u5f53\u524dbean\u7684\u65f6\u5019\u53ef\u4ee5\u770b\u89c1\u6ce8\u5165\u70b9\u3002<\/p>\n\n\n\n
\u7528\u6cd5\uff1a<\/p>\n\n\n\n
@Component\npublic class FactoryMethodComponent {\n\n    @Bean @Scope(\"prototype\")\n    public TestBean prototypeInstance(InjectionPoint injectionPoint) {\n        return new TestBean(\"prototypeInstance for \" + injectionPoint.getMember());\n    }\n}<\/code><\/pre>\n\n\n\n
\u5728@Component<\/strong><\/code>\u5185\u7684@bean\u65b9\u6cd5<\/strong>\u548c\u5728@Configurati<\/strong><\/code>on<\/strong>\u91cc\u7684\u4e0d\u592a\u4e00\u6837\u3002
@Component<\/strong><\/code>\u7c7b\u6ca1\u6709\u7528CGLIB\u4ee3\u7406\u62e6\u622a\u65b9\u6cd5\u8c03\u7528\u6216\u8005\u57df\uff08\u53d8\u91cf\uff09\u3002<\/p>\n\n\n\n
CGLIB\u662f\u8c03\u7528@Configuration \u7c7b\u4e2d@Bean\u65b9\u6cd5\u5185\u7684\u65b9\u6cd5\u6216\u53d8\u91cf\u7684\u4e00\u79cd\u65b9\u5f0f\uff0c
\u662f\u521b\u5efabean\u5143\u6570\u636e\u5f15\u7528\u7ed9\u5176\u534f\u4f5c\u5bf9\u8c61\u7684\u9014\u5f84\u3002
\u8fd9\u4e9b\u65b9\u6cd5\u4e0d\u662f\u901a\u8fc7\u666e\u901a\u7684Java\u8bed\u6cd5\u8c03\u7528\uff0c\u800c\u662f\u901a\u8fc7\u5bb9\u5668\u8fd9\u4e00\u9014\u5f84\uff0c\u7528\u4ee5\u63d0\u4f9b\u751f\u547d\u5468\u671f\u7ba1\u7406\u548cBean\u4ee3\u7406\uff0c
\u5c31\u7b97\u4e3b\u52a8\u8c03\u7528\u522b\u7684@Bean\u65b9\u6cd5\u4e5f\u662f\u4e00\u6837\u3002<\/p>\n\n\n\n
\u4f5c\u4e3a\u5bf9\u6bd4\uff0c@Component<\/strong><\/code>\u7c7b\u4e2d\u7684@Bean\u65b9\u6cd5\u6216\u53d8\u91cf\u8c03\u7528\u5c31\u662f\u6807\u51c6\u7684Java\u8bed\u6cd5\u3002<\/p>\n\n\n\n
\u58f0\u660e\u9759\u6001@Bean\u65b9\u6cd5\u53ef\u4ee5\u5728\u4e0d\u521b\u5efa\u5b83\u4eec\u7684\u5bb9\u5668\u7c7b\u7684\u60c5\u51b5\u4e0b\u88ab\u8c03\u7528\uff0c\u6bd4\u5982\u5b9a\u4e49\u5404\u79cd
BeanFactoryPostProcessor<\/strong><\/code>\u6216BeanPostProcessor<\/strong><\/code>\u3002<\/p>\n\n\n\n
\u8c03\u7528\u9759\u6001@Bean\u65b9\u6cd5\u4e0d\u4f1a\u88ab\u5bb9\u5668\u62e6\u622a\uff0c\u8fd9\u662f\u56e0\u4e3a\u6280\u672f\u9650\u5236\uff1aCGLIB\u5b50\u7c7b\u4ec5\u53ef\u4ee5\u8986\u76d6\u975e\u9759\u6001\u65b9\u6cd5\u3002<\/p>\n\n\n\n
\u4f5c\u4e3a\u7ed3\u679c\uff0c\u5728\u8fd9\u79cd\u9759\u6001@Bean\u65b9\u6cd5\u5185\u8c03\u7528\u522b\u7684@Bean\u65b9\u6cd5\u662f\u6807\u51c6\u7684Java\u8bed\u6cd5\uff0c
\u5c06\u5bfc\u81f4\u76f4\u63a5\u8fd4\u56de\u72ec\u7acb\u7684bean\u5b9e\u4f8b\u3002<\/p>\n\n\n\n
Java\u8bed\u8a00\u7684\u53ef\u89c1\u6027\u5e76\u4e0d\u4f1a\u5728Spring\u5bb9\u5668\u5185\u4e0ebean\u5b9a\u4e49\u7ed3\u679c\u76f8\u51b2\u7a81\u3002
\u53ef\u4ee5\u5728\u975e<\/strong>@Configuration\u7c7b\u5185\u968f\u4fbf\u5b9a\u4e49@Bean\u5de5\u5382\u65b9\u6cd5\u3002
\u4f46\u662f\u53ea\u80fd\u5728@Configuration\u7c7b\u5185\u5b9a\u4e49\u53ef\u88ab\u8986\u76d6\u7684@Bean\u5de5\u5382\u65b9\u6cd5\uff0c\u4e0d\u53ef\u4ee5\u662fprivate\u6216\u8005final<\/strong>\u3002<\/p>\n\n\n\n
Spring\u4e5f\u4f1a\u5728@Component<\/strong><\/code>\u6216@Configurati<\/strong><\/code>on<\/strong>\u7c7b\u7684\u57fa\u7c7b\u6216\u5b9e\u73b0\u7684\u63a5\u53e3\u7684\u9ed8\u8ba4\u65b9\u6cd5\u91cc\u68c0\u6d4b@Bean\u65b9\u6cd5\u3002<\/p>\n\n\n\n
\u5355\u4e00\u7684\u4e00\u4e2a\u7c7b\u53ef\u80fd\u542b\u6709\u591a\u4e2abean\u5de5\u5382\u65b9\u6cd5\u8fd4\u56de\u540c\u4e00\u7c7b\u578b\u7684bean\uff0c\u65b9\u6cd5\u4e4b\u95f4\u7684\u533a\u522b\u5728\u4e8e\u9700\u8981\u7684\u53c2\u6570\u4e0d\u4e00\u6837\u3002
\u6700\u591a\u53c2\u6570\u88ab\u5339\u914d\u7684\u65b9\u6cd5\u80dc\u51fa\u3002<\/p>\n\n\n\n
\u7ed9\u88ab\u68c0\u6d4b\u5230\u7684\u7ec4\u4ef6\u7c7b\u547d\u540d<\/strong><\/p>\n\n\n\n
@Component<\/strong><\/code>\uff0c@Repository<\/strong><\/code>\uff0c@Service<\/strong><\/code>\uff0c@Controller<\/strong><\/code>\uff0c@RestController<\/strong><\/code>\u6216@Configurati<\/strong><\/code>on<\/strong>
\u6ce8\u89e3\u6709\u4e00\u4e2avalue\u5c5e\u6027\uff0c\u5c06\u8fd9\u4e2a\u7c7b\u89c6\u4e3a\u4e00\u4e2abean\uff0c\u5c31\u662f\u8fd9\u4e2abean\u7684\u540d\u79f0\u3002<\/p>\n\n\n\n
\u5982\u679c\u4e0d\u63d0\u4f9bvalue\u5c5e\u6027\uff0c\u9ed8\u8ba4\u8fd4\u56de\u5c0f\u5199\u7684\u975e\u5168\u9650\u5b9a\u7c7b\u540d\uff1a<\/p>\n\n\n\n
@Service(\"myMovieLister\")\npublic class SimpleMovieLister {\n    \/\/ ...\n}<\/code><\/pre>\n\n\n\n
SimpleMovieLister\u7c7b\u88ab\u53d1\u73b0\u65f6\u7684\u540d\u79f0\u4e3amyMovieLister\u3002<\/p>\n\n\n\n
@Repository\npublic class MovieFinderImpl implements MovieFinder {\n    \/\/ ...\n}<\/code><\/pre>\n\n\n\n
MovieFinderImpl\u7c7b\u88ab\u53d1\u73b0\u65f6\u7684\u540d\u79f0\u4e3amovieFinderImpl\u3002<\/p>\n\n\n\n
\u5982\u679c\u8981\u5b9a\u5236\u4e00\u4e2abean\u547d\u540d\u7b56\u7565\uff0c\u53ef\u4ee5\u5b9e\u73b0BeanNameGenerator<\/strong><\/code>\u63a5\u53e3\uff0c\u5fc5\u9700\u8981\u6709\u65e0\u53c2\u6570\u6784\u9020\u5668\u3002
\u7136\u540e\u5728@ComponentScan\u91cc\u63d0\u4f9b\u5b9e\u73b0\u7c7b\u7684\u5168\u9650\u5b9a\u7c7b\u540d\uff1a<\/p>\n\n\n\n
@Configuration\n@ComponentScan(basePackages = \"org.example\", nameGenerator = MyNameGenerator.class)\npublic class AppConfig {\n    \/\/ ...\n}<\/code><\/pre>\n\n\n\n
\u6216\u8005xml\u91cc\u9762\uff1a<\/p>\n\n\n\n
<beans>\n    <context:component-scan base-package=\"org.example\"\n        name-generator=\"org.example.MyNameGenerator\" \/>\n<\/beans><\/code><\/pre>\n\n\n\n
\u6700\u597d\u4e0d\u8981\u81ea\u5b9a\u4e49\u540d\u79f0\u751f\u6210\uff0c\u7528\u6ce8\u89e3\u7ed9\u5b9a\u5c31\u591f\u4e86\u3002<\/p>\n\n\n\n
\u7ec4\u4ef6\u7c7b\u7684\u4f5c\u7528\u57df<\/strong><\/p>\n\n\n\n
\u9ed8\u8ba4\u4f5c\u7528\u57df\u662fsingleton\u3002\u53ef\u4ee5\u901a\u8fc7@Scope<\/strong>\u6ce8\u89e3\u58f0\u660e\uff1a<\/p>\n\n\n\n
@Scope(\"prototype\")\n@Repository\npublic class MovieFinderImpl implements MovieFinder {\n    \/\/ ...\n}<\/code><\/pre>\n\n\n\n
\u4f5c\u7528\u57df\u53ea\u7528\u4e8e\u7ec4\u4ef6\u7c7bbean\uff0c\u4e0d\u4f1a\u88ab\u7c7b\u91cc\u9762\u7684bean\u5de5\u5382\u65b9\u6cd5\u7ee7\u627f\u3002<\/p>\n\n\n\n
\u5982\u679c\u8981\u5b9a\u5236\u4e00\u4e2a\u4f5c\u7528\u57df\u89e3\u6790\u7b56\u7565\uff0c\u53ef\u4ee5\u5b9e\u73b0ScopeMetadataResolver<\/strong><\/code><\/code>\u63a5\u53e3\uff0c\u5fc5\u9700\u8981\u6709\u65e0\u53c2\u6570\u6784\u9020\u5668\u3002
\u7136\u540e\u5728@ComponentScan\u91cc\u63d0\u4f9b\u5b9e\u73b0\u7c7b\u7684\u5168\u9650\u5b9a\u7c7b\u540d\uff1a<\/p>\n\n\n\n
@Configuration\n@ComponentScan(basePackages = \"org.example\", scopeResolver = MyScopeResolver.class)\npublic class AppConfig {\n    \/\/ ...\n}<\/code><\/pre>\n\n\n\n
\u5728xml\u914d\u7f6e\u4e2d\uff1a<\/p>\n\n\n\n
<beans>\n    <context:component-scan base-package=\"org.example\" scope-resolver=\"org.example.MyScopeResolver\"\/>\n<\/beans><\/code><\/pre>\n\n\n\n
\u5f53\u4f7f\u7528\u975esingleton\u4f5c\u7528\u57df\u65f6\uff0c\u53ef\u80fd\u8981\u4e3a\u88ab\u4f5c\u7528\u57df\u4fee\u9970\u7684\u5bf9\u8c61\u751f\u6210\u4ee3\u7406\u3002
\u901a\u8fc7@ComponentScan\u6ce8\u89e3\u7684scopedProxy\u5c5e\u6027\u8bbe\u7f6e\uff1a<\/p>\n\n\n\n
@Configuration\n@ComponentScan(basePackages = \"org.example\", scopedProxy = ScopedProxyMode.INTERFACES)\npublic class AppConfig {\n    \/\/ ...\n}<\/code><\/pre>\n\n\n\n
xml\u914d\u7f6e\uff1a<\/p>\n\n\n\n
<beans>\n    <context:component-scan base-package=\"org.example\" scoped-proxy=\"interfaces\"\/>\n<\/beans><\/code><\/pre>\n\n\n\n
interfaces<\/strong><\/code>\u6307\u4f7f\u7528\u6807\u51c6JDK\u52a8\u6001\u4ee3\u7406\u3002<\/p>\n\n\n\n
\u4e09\u4e2a\u53ef\u9009\u7684\u503c\u4e3a\uff1ano<\/strong><\/code>\uff0cinterfaces<\/strong><\/code>\uff0c\u548ctargetClass<\/strong><\/code><\/p>\n\n\n\n
\u7528\u4e8e\u5bb9\u5668\u7c7b\u7684@Qualifier<\/strong><\/p>\n\n\n\n
\u548c\u7528\u4e8e\u81ea\u52a8bean\u7684@Qualifier\u4e00\u6837\uff0c\u53ef\u4ee5\u5c06\u8fd9\u4e2a\u6ce8\u89e3\u7528\u4e8e\u7c7b\uff1a<\/p>\n\n\n\n
@Component\n@Qualifier(\"Action\")\npublic class ActionMovieCatalog implements MovieCatalog {\n    \/\/ ...\n}<\/code><\/pre>\n\n\n\n
\u53ea\u7ed1\u5b9a\u7c7b\u5b9a\u4e49\uff0c\u4e0d\u4f1a\u7ee7\u627f\u7ed9\u5185\u90e8\u5b9a\u4e49\u7684bean\u3002<\/p>\n\n\n\n
\u751f\u6210\u5019\u9009\u7ec4\u4ef6\u7d22\u5f15<\/strong><\/p>\n\n\n\n
\u5728\u7f16\u8bd1\u65f6\u751f\u6210\u4e00\u4e2a\u9759\u6001\u7684\u5019\u9009\u5217\u8868\u5bf9\u4e8e\u5927\u578b\u7a0b\u5e8f\u53ef\u4ee5\u63d0\u5347\u542f\u52a8\u901f\u5ea6\u3002
\u73b0\u5b58\u7684@ComponentScan<\/code>\u6216<context:component-scan\/><\/code>\u4e0d\u53ef\u4ee5\u6539\u52a8\u3002
\u5bb9\u5668\u68c0\u6d4b\u5230\u6709\u7d22\u5f15\u5b58\u5728\u5c31\u4f1a\u76f4\u63a5\u4f7f\u7528\uff0c\u4e0d\u4f1a\u518d\u626b\u63cfclasspath\u3002<\/p>\n\n\n\n
\u751f\u6210\u7d22\u5f15\u9700\u8981\u6dfb\u52a0\u4f9d\u8d56\uff0c\u6bd4\u5982\u5728Maven\u4e2d\u6dfb\u52a0\uff1a<\/p>\n\n\n\n
<dependencies>\n    <dependency>\n        <groupId>org.springframework<\/groupId>\n        <artifactId>spring-context-indexer<\/artifactId>\n        <version>5.3.7<\/version>\n        <optional>true<\/optional>\n    <\/dependency>\n<\/dependencies><\/code><\/pre>\n\n\n\n
\u5728\u9879\u76ee\u6253\u5305\u6210jar\u65f6\u4f1a\u5728META-INF\/\u76ee\u5f55\u4e0b\u751f\u6210spring.components\u6587\u4ef6\u3002<\/p>\n\n\n\n
spring-context-indexer\u5fc5\u9700\u88ab\u6ce8\u518c\u6210\u6ce8\u89e3\u5904\u7406\u5668\u624d\u80fd\u786e\u4fdd\u5f53\u7ec4\u4ef6\u66f4\u65b0\u65f6\u7d22\u5f15\u4e5f\u540c\u6b65\u66f4\u65b0\u3002<\/p>\n\n\n\n
\u53ef\u4ee5\u901a\u8fc7\u5728SpringProperties<\/strong><\/code>\u91cc\u8bbe\u7f6espring.index.ignore\u4e3atrue\u4ee5\u5207\u6362\u56de\u626b\u63cfclasspath\u6a21\u5f0f\u3002<\/p>\n\n\n\n
JSR 330\u6807\u51c6\u6ce8\u89e3<\/strong><\/p>\n\n\n\n
\u90fd\u7528Spring\u4e86\uff0cSpring\u662f\u5b83\u7684\u8d85\u96c6\uff0c\u7528Spring\u5c31\u597d\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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