{"id":9222,"date":"2023-02-02T10:01:20","date_gmt":"2023-02-02T02:01:20","guid":{"rendered":"http:\/\/123.57.164.21\/?p=9222"},"modified":"2023-02-02T10:01:20","modified_gmt":"2023-02-02T02:01:20","slug":"%e8%af%a6%e7%bb%86%e8%ae%b2%e8%a7%a3spring%e4%b8%ad%e7%9a%84bean%e6%b3%a8%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=9222","title":{"rendered":"\u8be6\u7ec6\u8bb2\u89e3Spring\u4e2d\u7684@Bean\u6ce8\u89e3"},"content":{"rendered":"\n<p>\u968f\u7740SpringBoot\u7684\u6d41\u884c\uff0c\u6211\u4eec\u73b0\u5728\u66f4\u591a\u91c7\u7528\u57fa\u4e8e\u6ce8\u89e3\u5f0f\u7684\u914d\u7f6e\u4ece\u800c\u66ff\u6362\u6389\u4e86\u57fa\u4e8eXML\u7684\u914d\u7f6e\uff0c\u6240\u4ee5\u672c\u7bc7\u6587\u7ae0\u6211\u4eec\u4e3b\u8981\u63a2\u8ba8\u57fa\u4e8e\u6ce8\u89e3\u7684@Bean\u4ee5\u53ca\u548c\u5176\u4ed6\u6ce8\u89e3\u7684\u4f7f\u7528\uff1b<\/p>\n\n\n\n<p><strong>@Bean \u57fa\u7840\u6982\u5ff5<\/strong><\/p>\n\n\n\n<hr 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@Resource\u914d\u5408\u5230\u4e00\u8d77\uff0c\u628a\u5bf9\u8c61\u3001\u5c5e\u6027\u3001\u65b9\u6cd5\u5b8c\u7f8e\u7ec4\u88c5\uff1b<\/li><li>@Configuration\u4e0e@Bean\u7ed3\u5408\u4f7f\u7528\uff1a@Configuration\u53ef\u7406\u89e3\u4e3a\u7528spring\u7684\u65f6\u5019xml\u91cc\u9762\u7684\u6807\u7b7e\uff0c@Bean\u53ef\u7406\u89e3\u4e3a\u7528spring\u7684\u65f6\u5019xml\u91cc\u9762\u7684\u6807\u7b7e\uff1b<\/li><\/ul>\n\n\n\n<p><strong>\u5feb\u901f\u642d\u5efa\u4e00\u4e2amaven\u9879\u76ee\u5e76\u914d\u7f6e\u597d\u6240\u9700\u8981\u7684Spring \u4f9d\u8d56<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;dependency>\n  &lt;groupId>org.springframework&lt;\/groupId>\n  &lt;artifactId>spring-context&lt;\/artifactId>\n  &lt;version>4.3.13.RELEASE&lt;\/version>\n&lt;\/dependency>\n\n&lt;dependency>\n  &lt;groupId>org.springframework&lt;\/groupId>\n  &lt;artifactId>spring-beans&lt;\/artifactId>\n  &lt;version>4.3.13.RELEASE&lt;\/version>\n&lt;\/dependency>\n\n&lt;dependency>\n  &lt;groupId>org.springframework&lt;\/groupId>\n  &lt;artifactId>spring-core&lt;\/artifactId>\n  &lt;version>4.3.13.RELEASE&lt;\/version>\n&lt;\/dependency>\n\n&lt;dependency>\n  &lt;groupId>org.springframework&lt;\/groupId>\n  &lt;artifactId>spring-web&lt;\/artifactId>\n  &lt;version>4.3.13.RELEASE&lt;\/version>\n&lt;\/dependency><\/pre>\n\n\n\n<p>\u5728src\u6839\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2aAppConfig\u7684\u914d\u7f6e\u7c7b\uff0c\u8fd9\u4e2a\u914d\u7f6e\u7c7b\u4e5f\u5c31\u662f\u7ba1\u7406\u4e00\u4e2a\u6216\u591a\u4e2abean \u7684\u914d\u7f6e\u7c7b\uff0c\u5e76\u5728\u5176\u5185\u90e8\u58f0\u660e\u4e00\u4e2amyBean\u7684bean\uff0c\u5e76\u521b\u5efa\u5176\u5bf9\u5e94\u7684\u5b9e\u4f53\u7c7b<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Configuration\npublic class AppConfig {\n\n    \/\/ \u4f7f\u7528@Bean \u6ce8\u89e3\u8868\u660emyBean\u9700\u8981\u4ea4\u7ed9Spring\u8fdb\u884c\u7ba1\u7406\n    \/\/ \u672a\u6307\u5b9abean \u7684\u540d\u79f0\uff0c\u9ed8\u8ba4\u91c7\u7528\u7684\u662f \"\u65b9\u6cd5\u540d\" + \"\u9996\u5b57\u6bcd\u5c0f\u5199\"\u7684\u914d\u7f6e\u65b9\u5f0f\n    @Bean\n    public MyBean myBean(){\n        return new MyBean();\n    }\n}\n\npublic class MyBean {\n\n    public MyBean(){\n        System.out.println(\"MyBean Initializing\");\n    }\n}<\/pre>\n\n\n\n<p>\u7136\u540e\u518d\u521b\u5efa\u4e00\u4e2a\u6d4b\u8bd5\u7c7bSpringBeanApplicationTests\uff0c\u6d4b\u8bd5\u4e0a\u8ff0\u4ee3\u7801\u7684\u6b63\u786e\u6027<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class SpringBeanApplicationTests {\n\n    public static void main(String[] args) {\n        ApplicationContext context = new AnnotationConfigApplicationContext(AppConfig.class);\n        context.getBean(\"myBean\");\n    }\n}<\/pre>\n\n\n\n<p><strong>\u6df1\u5165\u4e86\u89e3@Bean\u6ce8\u89e3\u7684\u6e90\u4ee3\u7801<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Target({ElementType.METHOD, ElementType.ANNOTATION_TYPE})\n@Retention(RetentionPolicy.RUNTIME)\n@Documented\npublic @interface Bean {\n    @AliasFor(\"name\")\n    String[] value() default {};\n    @AliasFor(\"value\")\n    String[] name() default {};\n    Autowire autowire() default Autowire.NO;\n    String initMethod() default \"\";\n    String destroyMethod() default 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href=\"https:\/\/mp.weixin.qq.com\/s\/iCwycZ9ZfWzjMqaz5BxspA\">https:\/\/mp.weixin.qq.com\/s\/iCwycZ9ZfWzjMqaz5BxspA<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u968f\u7740SpringBoot\u7684\u6d41\u884c\uff0c\u6211\u4eec\u73b0\u5728\u66f4\u591a\u91c7\u7528\u57fa\u4e8e\u6ce8\u89e3\u5f0f\u7684\u914d\u7f6e\u4ece\u800c\u66ff\u6362\u6389\u4e86\u57fa\u4e8eXML\u7684\u914d\u7f6e\uff0c\u6240\u4ee5\u672c\u7bc7\u6587\u7ae0\u6211\u4eec [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,27],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/9222"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9222"}],"version-history":[{"count":1,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/9222\/revisions"}],"predecessor-version":[{"id":9223,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/9222\/revisions\/9223"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}