{"id":287,"date":"2022-04-06T17:00:09","date_gmt":"2022-04-06T09:00:09","guid":{"rendered":"https:\/\/blog.lijiajia.top\/?p=287"},"modified":"2026-06-19T21:40:28","modified_gmt":"2026-06-19T13:40:28","slug":"spring%e6%a1%86%e6%9e%b6%e5%ad%a6%e4%b9%a0%ef%bc%9aioc%e5%ae%b9%e5%99%a8-beanfactory%e5%9b%9b","status":"publish","type":"post","link":"https:\/\/blog.ttwow.top\/?p=287","title":{"rendered":"Spring\u6846\u67b6\u5b66\u4e60\uff1aIOC\u64cd\u4f5cBean\u7ba1\u7406-FactoryBean(\u4e94)"},"content":{"rendered":"<p>1\u3001Spring\u6709\u4e24\u79cd\u7c7b\u578bbean,\u4e00\u79cd\u666e\u901abean,\u53e6\u5916\u4e00\u79cd\u5de5\u5382bean(FactoryBean)<br \/>\n2\u3001\u666e\u901abean:\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u5b9a\u4e49bean\u7c7b\u578b\u5c31\u662f\u8fd4\u56de\u7c7b\u578b<br \/>\n3\u3001\u5de5\u5382bean:\u5728\u914d\u7f6e\u6587\u4ef6\u5b9a\u4e49bean\u7c7b\u578b\u53ef\u4ee5\u548c\u8fd4\u56de\u7c7b\u578b\u4e0d\u4e00\u6837<br \/>\n\u7b2c\u4e00\u6b65\u521b\u5efa\u7c7b\uff0c\u8ba9\u8fd9\u4e2a\u7c7b\u4f5c\u4e3a\u5de5\u5382bean,\u5b9e\u73b0\u63a5\u53e3FactoryBean<br \/>\n\u7b2c\u4e8c\u6b65\u5b9e\u73b0\u63a5\u53e3\u91cc\u9762\u7684\u65b9\u6cd5\uff0c\u5728\u5b9e\u73b0\u7684\u65b9\u6cd5\u4e2d\u5b9a\u4e49\u8fd4\u56de\u7684bean\u7c7b\u578b<\/p>\n<h2>FactoryBean\u7684\u4ee3\u7801<\/h2>\n<p>MyBean:<\/p>\n<pre><code class=\"language-java\">public class Mybean implements FactoryBean&lt;Book&gt; {\n\n    \/\/\u8fd4\u56de\u7684\u5bf9\u8c61-\u53ef\u4ee5\u901a\u8fc7\u53cd\u5c04\u4fee\u6539\u8fd4\u56de\u5bf9\u8c61\n    @Override\n    public Book getObject() throws Exception {\n        \/\/\u4f2a\u4ee3\u7801\n        Book book = new Book();\n        List&lt;String&gt; lists = new ArrayList&lt;&gt;();\n        lists.add(&quot;\u767e\u5e74\u5b64\u72ec&quot;);\n        book.setList(lists);\n        return book;\n    }\n\n    @Override\n    public Class&lt;?&gt; getObjectType() {\n        return null;\n    }\n\n    @Override\n    public boolean isSingleton() {\n        return FactoryBean.super.isSingleton();\n    }\n}<\/code><\/pre>\n<pre><code class=\"language-xml\">&lt;bean id=&quot;myBean&quot; class=&quot;com.spring5.factorybean.Mybean&quot;&gt;&lt;\/bean&gt;<\/code><\/pre>\n<p>junit\u6d4b\u8bd5\uff1a<\/p>\n<pre><code class=\"language-java\">@Test\n    public void test3(){\n\n        ApplicationContext applicationContext = new ClassPathXmlApplicationContext(&quot;bean3.xml&quot;);\n        Book myBean = applicationContext.getBean(&quot;myBean&quot;, Book.class);\n\n        System.out.println(myBean);\n    }<\/code><\/pre>\n<p>\u6d4b\u8bd5\u7ed3\u679c\uff1a<\/p>\n<pre><code class=\"language-java\">Book{list=[\u767e\u5e74\u5b64\u72ec]}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>1\u3001Spring\u6709\u4e24\u79cd\u7c7b\u578bbean,\u4e00\u79cd\u666e\u901abean,\u53e6\u5916\u4e00\u79cd\u5de5\u5382bean(FactoryBean) 2\u3001\u666e\u901a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[68],"class_list":["post-287","post","type-post","status-publish","format-standard","hentry","category-java-backend","tag-spring"],"_links":{"self":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts\/287","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=287"}],"version-history":[{"count":1,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts\/287\/revisions"}],"predecessor-version":[{"id":2161,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts\/287\/revisions\/2161"}],"wp:attachment":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=287"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=287"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=287"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}