{"id":18548,"date":"2024-03-15T17:11:29","date_gmt":"2024-03-15T17:11:29","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-configure-caching-annotations-in-spring-boot\/"},"modified":"2024-03-21T13:34:15","modified_gmt":"2024-03-21T13:34:15","slug":"how-to-configure-caching-annotations-in-spring-boot","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-configure-caching-annotations-in-spring-boot\/","title":{"rendered":"How to configure caching annotations in Spring Boot?"},"content":{"rendered":"<p>Spring Boot allows you to configure caching using cache annotations, with two main approaches.<\/p>\n<ol>\n<li>Enable caching support by using the @EnableCaching annotation, and then use cache annotations such as @Cacheable, @CachePut, @CacheEvict on the methods that need caching.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">@SpringBootApplication<\/span>\r\n<span class=\"hljs-meta\">@EnableCaching<\/span>\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">Application<\/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        SpringApplication.run(Application.class, args);\r\n    }\r\n}\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">@Service<\/span>\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">UserService<\/span> {\r\n\r\n    <span class=\"hljs-meta\">@Cacheable(\"users\")<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> User <span class=\"hljs-title function_\">getUserById<\/span><span class=\"hljs-params\">(Long id)<\/span> {\r\n        <span class=\"hljs-comment\">\/\/ \u4ece\u6570\u636e\u5e93\u67e5\u8be2\u7528\u6237\u4fe1\u606f<\/span>\r\n        <span class=\"hljs-keyword\">return<\/span> userRepository.findById(id).orElse(<span class=\"hljs-literal\">null<\/span>);\r\n    }\r\n\r\n    <span class=\"hljs-meta\">@CachePut(value = \"users\", key = \"#user.id\")<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> User <span class=\"hljs-title function_\">saveUser<\/span><span class=\"hljs-params\">(User user)<\/span> {\r\n        <span class=\"hljs-comment\">\/\/ \u4fdd\u5b58\u7528\u6237\u4fe1\u606f\u5230\u6570\u636e\u5e93<\/span>\r\n        <span class=\"hljs-keyword\">return<\/span> userRepository.save(user);\r\n    }\r\n\r\n    <span class=\"hljs-meta\">@CacheEvict(value = \"users\", key = \"#id\")<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">deleteUserById<\/span><span class=\"hljs-params\">(Long id)<\/span> {\r\n        <span class=\"hljs-comment\">\/\/ \u4ece\u6570\u636e\u5e93\u5220\u9664\u7528\u6237\u4fe1\u606f<\/span>\r\n        userRepository.deleteById(id);\r\n    }\r\n}\r\n<\/code><\/pre>\n<ol>\n<li>Configure cache-related properties in the application.properties or application.yml file, such as cache type and expiration time.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\">#\u4f7f\u7528Redis\u7f13\u5b58<\/span>\r\n<span class=\"hljs-attr\">spring.cache.type<\/span>=<span class=\"hljs-string\">redis<\/span>\r\n<span class=\"hljs-comment\">\r\n#Redis\u914d\u7f6e<\/span>\r\n<span class=\"hljs-attr\">spring.redis.host<\/span>=<span class=\"hljs-string\">localhost<\/span>\r\n<span class=\"hljs-attr\">spring.redis.port<\/span>=<span class=\"hljs-string\">6379<\/span>\r\n<span class=\"hljs-attr\">spring.redis.password<\/span>=<span class=\"hljs-string\"><\/span>\r\n<span class=\"hljs-attr\">spring.redis.database<\/span>=<span class=\"hljs-string\">0<\/span>\r\n<span class=\"hljs-comment\">\r\n#\u7f13\u5b58\u8fc7\u671f\u65f6\u95f4\uff08\u5355\u4f4d\uff1a\u79d2\uff09<\/span>\r\n<span class=\"hljs-attr\">spring.cache.redis.time-to-live<\/span>=<span class=\"hljs-string\">3600<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\">#\u4f7f\u7528Redis\u7f13\u5b58<\/span>\r\n<span class=\"hljs-attr\">spring:<\/span>\r\n  <span class=\"hljs-attr\">cache:<\/span>\r\n    <span class=\"hljs-attr\">type:<\/span> <span class=\"hljs-string\">redis<\/span>\r\n\r\n<span class=\"hljs-comment\">#Redis\u914d\u7f6e<\/span>\r\n<span class=\"hljs-attr\">spring:<\/span>\r\n  <span class=\"hljs-attr\">redis:<\/span>\r\n    <span class=\"hljs-attr\">host:<\/span> <span class=\"hljs-string\">localhost<\/span>\r\n    <span class=\"hljs-attr\">port:<\/span> <span class=\"hljs-number\">6379<\/span>\r\n    <span class=\"hljs-attr\">password:<\/span>\r\n    <span class=\"hljs-attr\">database:<\/span> <span class=\"hljs-number\">0<\/span>\r\n\r\n<span class=\"hljs-comment\">#\u7f13\u5b58\u8fc7\u671f\u65f6\u95f4\uff08\u5355\u4f4d\uff1a\u79d2\uff09<\/span>\r\n<span class=\"hljs-attr\">spring:<\/span>\r\n  <span class=\"hljs-attr\">cache:<\/span>\r\n    <span class=\"hljs-attr\">redis:<\/span>\r\n      <span class=\"hljs-attr\">time-to-live:<\/span> <span class=\"hljs-number\">3600<\/span>\r\n<\/code><\/pre>\n<p>Please note that the example above uses Redis as the caching storage. If you would like to use a different caching implementation, you can modify the configuration accordingly.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Spring Boot allows you to configure caching using cache annotations, with two main approaches. Enable caching support by using the @EnableCaching annotation, and then use cache annotations such as @Cacheable, @CachePut, @CacheEvict on the methods that need caching. @SpringBootApplication @EnableCaching public class Application { public static void main(String[] args) { SpringApplication.run(Application.class, args); } } @Service [&hellip;]<\/p>\n","protected":false},"author":5,"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-18548","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>How to configure caching annotations in Spring Boot? - 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\/how-to-configure-caching-annotations-in-spring-boot\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to configure caching annotations in Spring Boot?\" \/>\n<meta property=\"og:description\" content=\"Spring Boot allows you to configure caching using cache annotations, with two main approaches. 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