{"id":17340,"date":"2024-03-15T14:48:51","date_gmt":"2024-03-15T14:48:51","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-bean-copy-in-springboot\/"},"modified":"2024-03-21T10:40:25","modified_gmt":"2024-03-21T10:40:25","slug":"what-is-the-method-for-bean-copy-in-springboot","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-bean-copy-in-springboot\/","title":{"rendered":"What is the method for Bean copy in SpringBoot?"},"content":{"rendered":"<p>In Spring Boot, you can use the copyProperties() method of the BeanUtils class to copy beans. This method copies the property values of one JavaBean object to another JavaBean object. The specific usage method is as follows:<\/p>\n<ol>\n<li>Import the necessary dependencies.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">dependency<\/span>&gt;<\/span>\r\n    <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">groupId<\/span>&gt;<\/span>org.springframework.boot<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">groupId<\/span>&gt;<\/span>\r\n    <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">artifactId<\/span>&gt;<\/span>spring-boot-starter-beanutils<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">artifactId<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">dependency<\/span>&gt;<\/span>\r\n<\/code><\/pre>\n<ol>\n<li>Use the copyProperties() method for copying Beans in the code.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> org.springframework.beans.BeanUtils;\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">MyClass<\/span> {\r\n    <span class=\"hljs-keyword\">private<\/span> String name;\r\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-type\">int<\/span> age;\r\n    \r\n    <span class=\"hljs-comment\">\/\/ \u7701\u7565getter\u548csetter\u65b9\u6cd5<\/span>\r\n    \r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n        <span class=\"hljs-type\">MyClass<\/span> <span class=\"hljs-variable\">source<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">MyClass<\/span>();\r\n        source.setName(<span class=\"hljs-string\">\"John\"<\/span>);\r\n        source.setAge(<span class=\"hljs-number\">25<\/span>);\r\n        \r\n        <span class=\"hljs-type\">MyClass<\/span> <span class=\"hljs-variable\">target<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">MyClass<\/span>();\r\n        BeanUtils.copyProperties(source, target);\r\n        \r\n        System.out.println(target.getName()); <span class=\"hljs-comment\">\/\/ \u8f93\u51fa\uff1aJohn<\/span>\r\n        System.out.println(target.getAge()); <span class=\"hljs-comment\">\/\/ \u8f93\u51fa\uff1a25<\/span>\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>In the example above, we used the BeanUtils.copyProperties(source, target) method to copy the property values from the source object to the target object. After copying, the target object&#8217;s name property has a value of &#8220;John&#8221; and the age property has a value of 25.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Spring Boot, you can use the copyProperties() method of the BeanUtils class to copy beans. This method copies the property values of one JavaBean object to another JavaBean object. The specific usage method is as follows: Import the necessary dependencies. &lt;dependency&gt; &lt;groupId&gt;org.springframework.boot&lt;\/groupId&gt; &lt;artifactId&gt;spring-boot-starter-beanutils&lt;\/artifactId&gt; &lt;\/dependency&gt; Use the copyProperties() method for copying Beans in the code. [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-17340","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is the method for Bean copy in SpringBoot? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-bean-copy-in-springboot\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the method for Bean copy in SpringBoot?\" \/>\n<meta property=\"og:description\" content=\"In Spring Boot, you can use the copyProperties() method of the BeanUtils class to copy beans. This method copies the property values of one JavaBean object to another JavaBean object. The specific usage method is as follows: Import the necessary dependencies. &lt;dependency&gt; &lt;groupId&gt;org.springframework.boot&lt;\/groupId&gt; &lt;artifactId&gt;spring-boot-starter-beanutils&lt;\/artifactId&gt; &lt;\/dependency&gt; Use the copyProperties() method for copying Beans in the code. 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