{"id":34580,"date":"2024-11-26T09:54:50","date_gmt":"2024-11-26T01:54:50","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34580\/"},"modified":"2024-11-26T09:54:50","modified_gmt":"2024-11-26T01:54:50","slug":"factorybean%e5%88%9b%e5%bb%baspring-bean%e7%9a%84%e7%b1%bb%e5%9e%8b%e5%8c%ba%e5%88%86%ef%bc%9a%e4%bb%a3%e7%90%86%e7%b1%bb%e5%9e%8b%e5%92%8c%e5%8d%95%e4%be%8b%e7%b1%bb%e5%9e%8b%e6%9c%89%e4%bb%80","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34580\/","title":{"rendered":"FactoryBean\u521b\u5efaSpring Bean\u7684\u7c7b\u578b\u533a\u5206\uff1a\u4ee3\u7406\u7c7b\u578b\u548c\u5355\u4f8b\u7c7b\u578b\u6709\u4ec0\u4e48\u533a\u522b\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173053929255859.jpg\" class=\"aligncenter\" title=\"FactoryBean\u521b\u5efaSpring Bean\u7684\u7c7b\u578b\u533a\u5206\uff1a\u4ee3\u7406\u7c7b\u578b\u548c\u5355\u4f8b\u7c7b\u578b\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u63d2\u56fe\" alt=\"FactoryBean\u521b\u5efaSpring Bean\u7684\u7c7b\u578b\u533a\u5206\uff1a\u4ee3\u7406\u7c7b\u578b\u548c\u5355\u4f8b\u7c7b\u578b\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>factorybean\u521b\u5efaspring bean\u7684\u7c7b\u578b\u533a\u5206\u4e0e\u5b9e\u73b0<\/strong><\/p>\n<p>\u5728spring\u4e2d\uff0cfactorybean\u53ef\u4ee5\u521b\u5efa\u548c\u521d\u59cb\u5316bean\uff0c\u4e0e\u76f4\u63a5new\u5b9e\u4f8b\u7684bean\u4e0d\u540c\u3002<\/p>\n<p><strong>\u533a\u5206\u7c7b\u578b\uff1a<\/strong><\/p>\n<p>\u4f7f\u7528factorybean\u521b\u5efa\u7684bean\u6709\u4e24\u79cd\u7c7b\u578b\uff1a<\/p>\n<ul>\n<li> <strong>\u4ee3\u7406\u7c7b\u578b\uff1a<\/strong>factorybean\u672c\u8eab\u4f5c\u4e3a\u4ee3\u7406\uff0c\u901a\u8fc7\u53cd\u5c04\u52a8\u6001\u521b\u5efa\u548c\u7ba1\u7406bean\u5b9e\u4f8b\u3002<\/li>\n<li> <strong>\u5355\u4f8b\u7c7b\u578b\uff1a<\/strong>factorybean\u521b\u5efabean\u5b9e\u4f8b\u5e76\u5c06\u5176\u7f13\u5b58\u4e3a\u5355\u4f8b\uff0c\u76f4\u63a5\u8fd4\u56de\u5f15\u7528\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u73b0\u7c7b\u578b\u533a\u5206\uff1a<\/strong><\/p>\n<p>\u8981\u5b9e\u73b0factorybean\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e24\u4e2a\u63a5\u53e3\uff1a<\/p>\n<ul>\n<li> <strong>factorybean \uff1a <\/strong>\u9488\u5bf9\u4ee3\u7406\u7c7b\u578bbean\uff0c\u5176\u4e2dt\u662fbean\u7684\u7c7b\u578b\u3002<\/li>\n<li> <strong>factorybeanaware\uff1a<\/strong>\u9488\u5bf9\u5355\u4f8b\u7c7b\u578bbean\uff0c\u4f7f\u5176\u53ef\u4ee5\u8bbf\u95ee\u521b\u5efa\u5b83\u4eec\u7684factorybean\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u73b0\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><strong>\u4ee3\u7406\u7c7b\u578b\uff1a<\/strong><\/p>\n<pre>public class myfactorybean implements factorybean&lt;a&gt; {\n\n    @override\n    public a getobject() throws exception {\n        return new b();\n    }\n\n    @override\n    public class&lt;?&gt; getobjecttype() {\n        return a.class;\n    }\n\n    @override\n    public boolean issingleton() {\n        return false;\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5355\u4f8b\u7c7b\u578b\uff1a<\/strong><\/p>\n<pre>public class MyFactoryBean implements FactoryBean&lt;A&gt;, FactoryBeanAware {\n\n    private A instance;\n\n    @Override\n    public void setFactoryBean(FactoryBean&lt;?&gt; factoryBean) {\n        instance = factoryBean.getObject();\n    }\n\n    @Override\n    public A getObject() throws Exception {\n        return instance;\n    }\n\n    @Override\n    public Class&lt;?&gt; getObjectType() {\n        return A.class;\n    }\n\n    @Override\n    public boolean isSingleton() {\n        return true;\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fFactoryBean\u521b\u5efaSpring Bean\u7684\u7c7b\u578b\u533a\u5206\uff1a\u4ee3\u7406\u7c7b\u578b\u548c\u5355\u4f8b\u7c7b\u578b\u6709\u4ec0\u4e48\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>factorybean\u521b\u5efaspring bean\u7684\u7c7b\u578b\u533a\u5206\u4e0e\u5b9e\u73b0 \u5728spring\u4e2d\uff0cfactorybean\u53ef\u4ee5\u521b\u5efa\u548c\u521d\u59cb\u5316bean\uff0c\u4e0e\u76f4\u63a5new\u5b9e\u4f8b\u7684bean\u4e0d\u540c\u3002 \u533a\u5206\u7c7b\u578b\uff1a \u4f7f\u7528factorybean\u521b\u5efa\u7684bean\u6709\u4e24\u79cd\u7c7b\u578b\uff1a \u4ee3\u7406\u7c7b\u578b\uff1afactorybean\u672c\u8eab\u4f5c\u4e3a\u4ee3\u7406\uff0c\u901a\u8fc7\u53cd\u5c04\u52a8\u6001\u521b\u5efa\u548c\u7ba1\u7406bean\u5b9e\u4f8b\u3002 \u5355\u4f8b\u7c7b\u578b\uff1afactorybean\u521b\u5efabean\u5b9e\u4f8b\u5e76\u5c06\u5176\u7f13\u5b58\u4e3a\u5355\u4f8b\uff0c\u76f4\u63a5\u8fd4\u56de\u5f15\u7528\u3002 \u5b9e\u73b0\u7c7b\u578b\u533a\u5206\uff1a \u8981\u5b9e\u73b0factorybean\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e24\u4e2a\u63a5\u53e3\uff1a factorybean \uff1a \u9488\u5bf9\u4ee3\u7406\u7c7b\u578bbean\uff0c\u5176\u4e2dt\u662fbean\u7684\u7c7b\u578b\u3002 factorybeanaware\uff1a\u9488\u5bf9\u5355\u4f8b\u7c7b\u578bbean\uff0c\u4f7f\u5176\u53ef\u4ee5\u8bbf\u95ee\u521b\u5efa\u5b83\u4eec\u7684factorybean\u3002 \u5b9e\u73b0\u4ee3\u7801\u793a\u4f8b\uff1a \u4ee3\u7406\u7c7b\u578b\uff1a public class myfactorybean implements factorybean&lt;a&gt; { @override public a getobject() throws exception { return new b(); } @override public class&lt;?&gt; getobjecttype() { return a.class; } @override public boolean issingleton() { return false; } } \u767b\u5f55\u540e\u590d\u5236 \u5355\u4f8b\u7c7b\u578b\uff1a public class MyFactoryBean implements [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-34580","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34580","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=34580"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34580\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34580"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34580"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}