{"id":10008125,"date":"2023-08-21T13:00:27","date_gmt":"2023-08-21T05:00:27","guid":{"rendered":"https:\/\/blog.itmax.cn\/?p=10008125"},"modified":"2023-08-21T13:00:27","modified_gmt":"2023-08-21T05:00:27","slug":"spring%e7%bc%93%e5%ad%98%e6%98%af%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e7%9a%84%ef%bc%9f%e5%a6%82%e4%bd%95%e6%89%a9%e5%b1%95%e4%bd%bf%e5%85%b6%e6%94%af%e6%8c%81%e8%bf%87%e6%9c%9f%e5%88%a0%e9%99%a4","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10008125","title":{"rendered":"Spring\u7f13\u5b58\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f\u5982\u4f55\u6269\u5c55\u4f7f\u5176\u652f\u6301\u8fc7\u671f\u5220\u9664\u529f\u80fd\uff1f | \u4eac\u4e1c\u4e91\u6280\u672f\u56e2\u961f"},"content":{"rendered":"<p><strong>\u524d\u8a00\uff1a<\/strong>\u5728\u6211\u4eec\u7684\u5e94\u7528\u4e2d\uff0c\u6709\u4e00\u4e9b\u6570\u636e\u662f\u901a\u8fc7rpc\u83b7\u53d6\u7684\u8fdc\u7aef\u6570\u636e\uff0c\u8be5\u6570\u636e\u4e0d\u4f1a\u7ecf\u5e38\u53d8\u5316\uff0c\u5141\u8bb8\u5ba2\u6237\u7aef\u5728\u672c\u5730\u7f13\u5b58\u4e00\u5b9a\u65f6\u95f4\u3002<\/p>\n<p>\u8be5\u573a\u666f\u903b\u8f91\u7b80\u5355\uff0c\u7f13\u5b58\u6570\u636e\u8f83\u5c0f\uff0c\u4e0d\u9700\u8981\u6301\u4e45\u5316\uff0c\u6240\u4ee5\u4e0d\u5e0c\u671b\u5f15\u5165\u5176\u4ed6\u7b2c\u4e09\u65b9\u7f13\u5b58\u5de5\u5177\u52a0\u91cd\u5e94\u7528\u8d1f\u62c5\uff0c\u975e\u5e38\u9002\u5408\u4f7f\u7528Spring Cache\u6765\u5b9e\u73b0\u3002<\/p>\n<p>\u4f46\u6709\u4e2a\u95ee\u9898\u662f\uff0c\u6211\u4eec\u5e0c\u671b\u5c06\u8fd9\u4e9brpc\u7ed3\u679c\u6570\u636e\u7f13\u5b58\u8d77\u6765\uff0c\u5e76\u5728\u4e00\u5b9a\u65f6\u95f4\u540e\u81ea\u52a8\u5220\u9664\uff0c\u4ee5\u5b9e\u73b0\u5728\u4e00\u5b9a\u65f6\u95f4\u540e\u83b7\u53d6\u5230\u6700\u65b0\u6570\u636e\u3002\u7c7b\u4f3cRedis\u7684\u8fc7\u671f\u65f6\u95f4\u3002  <br \/>\u63a5\u4e0b\u6765\u662f\u6211\u7684\u8c03\u7814\u6b65\u9aa4\u548c\u5f00\u53d1\u8fc7\u7a0b\u3002<\/p>\n<h2>Spring Cache \u662f\u4ec0\u4e48\uff1f<\/h2>\n<p>Spring Cache \u662f Spring \u7684\u4e00\u4e2a\u7f13\u5b58\u62bd\u8c61\u5c42\uff0c\u4f5c\u7528\u662f\u5728\u65b9\u6cd5\u8c03\u7528\u65f6\u81ea\u52a8\u7f13\u5b58\u8fd4\u56de\u7ed3\u679c\uff0c\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u548c\u54cd\u5e94\u901f\u5ea6\u3002  <br \/>\u76ee\u6807\u662f\u7b80\u5316\u7f13\u5b58\u7684\u4f7f\u7528\uff0c\u63d0\u4f9b\u4e00\u81f4\u7684\u7f13\u5b58\u8bbf\u95ee\u65b9\u5f0f\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u8f7b\u677e\u5feb\u901f\u5730\u5c06\u7f13\u5b58\u6dfb\u52a0\u5230\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002  <br \/>\u5e94\u7528\u4e8e\u65b9\u6cd5\u7ea7\u522b\uff0c\u5728\u4e0b\u6b21\u8c03\u7528\u76f8\u540c\u53c2\u6570\u7684\u65b9\u6cd5\u65f6\uff0c\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u7ed3\u679c\uff0c\u800c\u4e0d\u5fc5\u6267\u884c\u5b9e\u9645\u7684\u65b9\u6cd5\u4f53\u3002<\/p>\n<h2>\u9002\u7528\u573a\u666f\uff1f<\/h2>\n<p>\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a<\/p>\n<ul>\n<li>\u9891\u7e41\u8bbf\u95ee\u7684\u65b9\u6cd5\u8c03\u7528\uff0c\u53ef\u4ee5\u901a\u8fc7\u7f13\u5b58\u7ed3\u679c\u6765\u63d0\u9ad8\u6027\u80fd<\/li>\n<li>\u6570\u636e\u5e93\u67e5\u8be2\u7ed3\u679c\uff0c\u53ef\u4ee5\u7f13\u5b58\u67e5\u8be2\u7ed3\u679c\u4ee5\u51cf\u5c11\u6570\u636e\u5e93\u8bbf\u95ee<\/li>\n<li>\u5916\u90e8\u670d\u52a1\u8c03\u7528\u7ed3\u679c\uff0c\u53ef\u4ee5\u7f13\u5b58\u5916\u90e8\u670d\u52a1\u7684\u54cd\u5e94\u7ed3\u679c\u4ee5\u51cf\u5c11\u7f51\u7edc\u5f00\u9500<\/li>\n<li>\u8ba1\u7b97\u7ed3\u679c\uff0c\u53ef\u4ee5\u7f13\u5b58\u8ba1\u7b97\u7ed3\u679c\u4ee5\u52a0\u5feb\u540e\u7eed\u8ba1\u7b97\u901f\u5ea6<\/li>\n<\/ul>\n<h2>\u4f18\u7f3a\u70b9<\/h2>\n<p>\u4f18\u70b9\uff1a<\/p>\n<ul>\n<li>\u63d0\u9ad8\u5e94\u7528\u7684\u6027\u80fd\uff0c\u907f\u514d\u91cd\u590d\u8ba1\u7b97\u6216\u67e5\u8be2\u3002<\/li>\n<li>\u51cf\u5c11\u5bf9\u5e95\u5c42\u8d44\u6e90\u7684\u8bbf\u95ee\uff0c\u5982\u6570\u636e\u5e93\u6216\u8fdc\u7a0b\u670d\u52a1\uff0c\u4ece\u800c\u51cf\u8f7b\u8d1f\u8f7d\u3002<\/li>\n<li>\u7b80\u5316\u4ee3\u7801\uff0c\u901a\u8fc7\u6ce8\u89e3\u7684\u65b9\u5f0f\u5b9e\u73b0\u7f13\u5b58\u903b\u8f91\uff0c\u800c\u4e0d\u9700\u8981\u624b\u52a8\u7f16\u5199\u7f13\u5b58\u4ee3\u7801\u3002<\/li>\n<\/ul>\n<p>\u7f3a\u70b9\uff1a<\/p>\n<ul>\n<li>\u9700\u8981\u5360\u7528\u4e00\u5b9a\u7684\u5185\u5b58\u7a7a\u95f4\u6765\u5b58\u50a8\u7f13\u5b58\u6570\u636e\u3002<\/li>\n<li>\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u95ee\u9898\uff0c\u5982\u679c\u7f13\u5b58\u7684\u6570\u636e\u53d1\u751f\u53d8\u5316\uff0c\u4f46\u7f13\u5b58\u6ca1\u6709\u53ca\u65f6\u66f4\u65b0\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u810f\u6570\u636e\u7684\u95ee\u9898\u3002\uff08\u6240\u4ee5\u9700\u8981\u53ca\u65f6\u66f4\u65b0\u7f13\u5b58\uff09<\/li>\n<li>\u53ef\u80fd\u5f15\u53d1\u7f13\u5b58\u7a7f\u900f\u95ee\u9898\uff0c\u5f53\u5927\u91cf\u8bf7\u6c42\u540c\u65f6\u8bbf\u95ee\u4e00\u4e2a\u4e0d\u5b58\u5728\u4e8e\u7f13\u5b58\u4e2d\u7684\u952e\u65f6\uff0c\u4f1a\u5bfc\u81f4\u8bf7\u6c42\u76f4\u63a5\u843d\u5230\u5e95\u5c42\u8d44\u6e90\uff0c\u589e\u52a0\u8d1f\u8f7d\u3002<\/li>\n<\/ul>\n<h2>\u91cd\u8981\u7ec4\u4ef6<\/h2>\n<ol>\n<li>CacheManager\uff1a\u7f13\u5b58\u7ba1\u7406\u5668\uff0c\u7528\u4e8e\u521b\u5efa\u3001\u914d\u7f6e\u548c\u7ba1\u7406\u7f13\u5b58\u5bf9\u8c61\u3002\u53ef\u4ee5\u914d\u7f6e\u5177\u4f53\u7684\u7f13\u5b58\u5b9e\u73b0\uff0c\u5982 Ehcache\u3001Redis\u3002<\/li>\n<li>Cache\uff1a\u7f13\u5b58\u5bf9\u8c61\uff0c\u7528\u4e8e\u5b58\u50a8\u7f13\u5b58\u6570\u636e\uff0c\u63d0\u4f9b\u4e86\u8bfb\u53d6\u3001\u5199\u5165\u548c\u5220\u9664\u7f13\u5b58\u6570\u636e\u7684\u65b9\u6cd5\u3002<\/li>\n<li>\n<p>\u5e38\u7528\u6ce8\u89e3\uff1a<\/p>\n<ul>\n<li>@Cacheable\uff1a\u88ab\u8c03\u7528\u65f6\uff0c\u4f1a\u68c0\u67e5\u7f13\u5b58\u4e2d\u662f\u5426\u5df2\u5b58\u5728\uff0c\u82e5\u6709\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\u7f13\u5b58\u7ed3\u679c\uff0c\u5426\u5219\u6267\u884c\u65b9\u6cd5\u5e76\u5c06\u7ed3\u679c\u5b58\u5165\u7f13\u5b58\uff0c\u9002\u7528\u4e8e\u53ea\u8bfb\u64cd\u4f5c\u3002<\/li>\n<li>@CachePut\uff1a\u5219\u6bcf\u6b21\u90fd\u4f1a\u6267\u884c\u65b9\u6cd5\u4f53\uff0c\u5e76\u5c06\u7ed3\u679c\u5b58\u5165\u7f13\u5b58\uff0c\u5373\u6bcf\u6b21\u90fd\u4f1a\u66f4\u65b0\u7f13\u5b58\u4e2d\u7684\u6570\u636e\uff0c\u9002\u7528\u4e8e\u5199\u64cd\u4f5c\u3002<\/li>\n<li>@CacheEvict\uff1a\u88ab\u8c03\u7528\u65f6\uff0cSpring Cache \u4f1a\u6e05\u9664\u5bf9\u5e94\u7684\u7f13\u5b58\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>\u4f7f\u7528\u65b9\u5f0f<\/h2>\n<ol>\n<li>\u914d\u7f6e\u7f13\u5b58\u7ba1\u7406\u5668\uff08CacheManager\uff09\uff1a\u4f7f\u7528<code>@EnableCaching<\/code>\u6ce8\u89e3\u542f\u7528\u7f13\u5b58\u529f\u80fd\uff0c\u5e76\u914d\u7f6e\u5177\u4f53\u7684\u7f13\u5b58\u5b9e\u73b0\u3002<\/li>\n<li>\u5728\u65b9\u6cd5\u4e0a\u6dfb\u52a0\u7f13\u5b58\u6ce8\u89e3\uff1a\u4f7f\u7528<code>@Cacheable<\/code>\u3001<code>@CacheEvict<\/code>\u3001<code>@CachePut<\/code>\u7b49\u6ce8\u89e3\u6807\u8bb0\u9700\u8981\u88ab\u7f13\u5b58\u7684\u65b9\u6cd5\u3002<\/li>\n<li>\u8c03\u7528\u88ab\u7f13\u5b58\u7684\u65b9\u6cd5\uff1a\u5f53\u8c03\u7528\u88ab\u6807\u8bb0\u4e3a\u7f13\u5b58\u7684\u65b9\u6cd5\u65f6\uff0cSpring Cache \u4f1a\u68c0\u67e5\u7f13\u5b58\u4e2d\u662f\u5426\u5df2\u6709\u8be5\u65b9\u6cd5\u7684\u7f13\u5b58\u7ed3\u679c\u3002<\/li>\n<li>\u6839\u636e\u7f13\u5b58\u7ed3\u679c\u8fd4\u56de\u6570\u636e\uff1a\u5982\u679c\u7f13\u5b58\u4e2d\u5df2\u6709\u7ed3\u679c\uff0c\u5219\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u8fd4\u56de\uff1b\u5426\u5219\uff0c\u6267\u884c\u65b9\u6cd5\u5e76\u5c06\u7ed3\u679c\u5b58\u5165\u7f13\u5b58\u3002<\/li>\n<li>\u6839\u636e\u9700\u8981\u6e05\u9664\u6216\u66f4\u65b0\u7f13\u5b58\uff1a\u4f7f\u7528<code>@CacheEvict<\/code>\u3001<code>@CachePut<\/code>\u6ce8\u89e3\u53ef\u4ee5\u5728\u65b9\u6cd5\u8c03\u7528\u540e\u6e05\u9664\u6216\u66f4\u65b0\u7f13\u5b58\u3002  <br \/>\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0cSpring Cache \u53ef\u4ee5\u81ea\u52a8\u7ba1\u7406\u7f13\u5b58\u7684\u8bfb\u5199\u64cd\u4f5c\uff0c\u4ece\u800c\u7b80\u5316\u7f13\u5b58\u7684\u4f7f\u7528\u548c\u7ba1\u7406\u3002<\/li>\n<\/ol>\n<h2>Spring Boot\u9ed8\u8ba4\u4f7f\u7528\u54ea\u79cd\u5b9e\u73b0\uff0c\u53ca\u5176\u4f18\u7f3a\u70b9\uff1a<\/h2>\n<p>Spring Boot\u9ed8\u8ba4\u4f7f\u7528<code>ConcurrentMapCacheManager<\/code>\u4f5c\u4e3a\u7f13\u5b58\u7ba1\u7406\u5668\u7684\u5b9e\u73b0\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u7684\u3001\u5355\u673a\u7684\u3001\u5bf9\u7f13\u5b58\u5bb9\u91cf\u8981\u6c42\u8f83\u5c0f\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n<ul>\n<li>\n<p>\u4f18\u70b9\uff1a<\/p>\n<ol>\n<li>\u7b80\u5355\u8f7b\u91cf\uff1a\u6ca1\u6709\u5916\u90e8\u4f9d\u8d56\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u7684\u5e94\u7528\u573a\u666f\u3002<\/li>\n<li>\u5185\u5b58\u5b58\u50a8\uff1a\u7f13\u5b58\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\u7684<code>ConcurrentMap<\/code>\u4e2d\uff0c\u8bfb\u5199\u901f\u5ea6\u5feb\uff0c\u9002\u7528\u4e8e\u5feb\u901f\u8bbf\u95ee\u548c\u9891\u7e41\u66f4\u65b0\u7684\u6570\u636e\u3002<\/li>\n<li>\u591a\u7f13\u5b58\u5b9e\u4f8b\u652f\u6301\uff1a\u652f\u6301\u914d\u7f6e\u591a\u4e2a\u547d\u540d\u7f13\u5b58\u5b9e\u4f8b\uff0c\u6bcf\u4e2a\u5b9e\u4f8b\u4f7f\u7528\u72ec\u7acb\u7684<code>ConcurrentMap<\/code>\u5b58\u50a8\u6570\u636e\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u9700\u6c42\u914d\u7f6e\u591a\u4e2a\u7f13\u5b58\u5b9e\u4f8b\u3002<\/li>\n<\/ol>\n<\/li>\n<li>\n<p>\u7f3a\u70b9\uff1a<\/p>\n<ol>\n<li>\u5355\u673a\u5e94\u7528\u9650\u5236\uff1a<code>ConcurrentMapCacheManager<\/code>\u9002\u7528\u4e8e\u5355\u673a\u5e94\u7528\uff0c\u7f13\u5b58\u6570\u636e\u5b58\u50a8\u5728\u5e94\u7528\u7684\u5185\u5b58\u4e2d\uff0c\u65e0\u6cd5\u5b9e\u73b0\u5206\u5e03\u5f0f\u7f13\u5b58\u3002<\/li>\n<li>\u6709\u9650\u7684\u5bb9\u91cf\uff1a\u7531\u4e8e\u7f13\u5b58\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c<code>ConcurrentMapCacheManager<\/code>\u7684\u5bb9\u91cf\u53d7\u9650\u4e8e\u5e94\u7528\u7684\u5185\u5b58\u5927\u5c0f\uff0c\u5bf9\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u6216\u9ad8\u5e76\u53d1\u8bbf\u95ee\u7684\u573a\u666f\u53ef\u80fd\u5b58\u5728\u5bb9\u91cf\u4e0d\u8db3\u7684\u95ee\u9898\u3002<\/li>\n<li>\u7f3a\u4e4f\u6301\u4e45\u5316\u652f\u6301\uff1a<code>ConcurrentMapCacheManager<\/code>\u4e0d\u652f\u6301\u5c06\u7f13\u5b58\u6570\u636e\u6301\u4e45\u5316\u5230\u78c1\u76d8\u6216\u5176\u4ed6\u5916\u90e8\u5b58\u50a8\u4ecb\u8d28\uff0c\u5e94\u7528\u91cd\u542f\u540e\u7f13\u5b58\u6570\u636e\u4f1a\u4e22\u5931\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<h2>\u5982\u4f55\u8ba9<code>ConcurrentMapCacheManager<\/code>\u652f\u6301\u8fc7\u671f\u81ea\u52a8\u5220\u9664<\/h2>\n<p>\u524d\u8a00\u4e5f\u63d0\u5230\u4e86\uff0c\u6211\u4eec\u7684\u573a\u666f\u903b\u8f91\u7b80\u5355\uff0c\u7f13\u5b58\u6570\u636e\u8f83\u5c0f\uff0c\u4e0d\u9700\u8981\u6301\u4e45\u5316\uff0c\u4e0d\u5e0c\u671b\u5f15\u5165\u5176\u4ed6\u7b2c\u4e09\u65b9\u7f13\u5b58\u5de5\u5177\u52a0\u91cd\u5e94\u7528\u8d1f\u62c5\uff0c\u9002\u5408\u4f7f\u7528<code>ConcurrentMapCacheManager<\/code>\u3002\u6240\u4ee5\u6269\u5c55\u4e0b<code>ConcurrentMapCacheManager<\/code>\u4e5f\u8bb8\u662f\u6700\u7b80\u5355\u7684\u5b9e\u73b0\u3002<\/p>\n<h3>\u65b9\u6848\u8bbe\u8ba1<\/h3>\n<p>\u4e3a\u6b64\uff0c\u6211\u8bbe\u8ba1\u4e86\u4e09\u79cd\u65b9\u6848\uff1a<\/p>\n<ol>\n<li>\u5f00\u542f\u5b9a\u65f6\u4efb\u52a1\uff0c\u626b\u63cf\u7f13\u5b58\uff0c\u5b9a\u65f6\u5220\u9664\u6240\u6709\u7f13\u5b58\uff1b\u8be5\u65b9\u5f0f\u7b80\u5355\u7c97\u66b4\uff0c\u7edf\u4e00\u5b9a\u65f6\u5220\u9664\uff0c\u4f46\u4e0d\u80fd\u9488\u5bf9\u5355\u6761\u6570\u636e\u8fdb\u884c\u8fc7\u671f\u64cd\u4f5c\u3002<\/li>\n<li>\u5f00\u542f\u5b9a\u65f6\u4efb\u52a1\uff0c\u626b\u63cf\u7f13\u5b58\uff0c\u5e76\u5c06\u5355\u6761\u8fc7\u671f\u7684\u7f13\u5b58\u6570\u636e\u5220\u9664\u3002<\/li>\n<li>\u8bbf\u95ee\u7f13\u5b58\u6570\u636e\u4e4b\u524d\uff0c\u5224\u65ad\u662f\u5426\u8fc7\u671f\uff0c\u82e5\u8fc7\u671f\u5219\u91cd\u65b0\u6267\u884c\u65b9\u6cd5\u4f53\uff0c\u5e76\u5c06\u7ed3\u679c\u8986\u76d6\u539f\u7f13\u5b58\u6570\u636e\u3002<\/li>\n<\/ol>\n<p>\u4e0a\u8ff02\u30013\u65b9\u6848\u90fd\u66f4\u8d34\u8fd1\u76ee\u6807\uff0c\u4e14\u90fd\u6709\u4e00\u4e2a\u5171\u540c\u7684\u96be\u70b9\uff0c\u5373\u5982\u4f55\u5224\u65ad\u8be5\u7f13\u5b58\u662f\u5426\u8fc7\u671f\uff1f\u6216\u5982\u4f55\u5b58\u653e\u7f13\u5b58\u7684\u8fc7\u671f\u65f6\u95f4\uff1f  <br \/>\u65e2\u7136\u6ca1\u6709\u597d\u529e\u6cd5\uff0c\u90a3\u5c31\u8d70\u4e00\u6ce2\u6e90\u7801\u627e\u627e\u601d\u8def\u5427\uff01<\/p>\n<h3>\u6e90\u7801\u89e3\u6790<\/h3>\n<p><code>ConcurrentMapCacheManager<\/code>\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e2a<code>cacheMap<\/code>(\u5982\u4e0b\u4ee3\u7801)\uff0c\u7528\u4e8e\u5b58\u50a8\u6240\u6709\u7f13\u5b58\u540d\u53ca\u5bf9\u5e94\u7f13\u5b58\u5bf9\u8c61\u3002<\/p>\n<pre><code>private final ConcurrentMap&lt;String, Cache&gt; cacheMap = new ConcurrentHashMap&lt;&gt;(16);\n\n<\/code><\/pre>\n<p><code>cacheMap<\/code>\u4e2d\u7684\u5b58\u653e\u7684<code>Cache<\/code>\u7684\u5177\u4f53\u7c7b\u578b\u4e3a<code>ConcurrentMapCache<\/code>\uff0c  <br \/>\u800c<code>ConcurrentMapCache<\/code>\u7684\u5185\u90e8\u5b9a\u4e49\u4e86\u4e00\u4e2a<code>store<\/code>(\u5982\u4e0b\u4ee3\u7801)\uff0c\u7528\u4e8e\u5b58\u50a8\u8be5\u7f13\u5b58\u4e0b\u6240\u6709key\u3001value\uff0c\u5373\u771f\u6b63\u7684\u7f13\u5b58\u6570\u636e\u3002<\/p>\n<pre><code>private final ConcurrentMap&lt;Object, Object&gt; store;\n\n<\/code><\/pre>\n<p>\u5176\u5173\u7cfb\u56fe\u4e3a\uff1a<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044133215\" alt=\"img_2.png\" title=\"img_2.png\"><\/p>\n<p>\u4ee5\u4e0b\u4e3a\u6d4b\u8bd5\u4ee3\u7801\uff0c\u4e3a\u4e00\u4e2a\u67e5\u8be2\u589e\u52a0\u7f13\u5b58\u64cd\u4f5c\uff1acacheName=getUsersByName,key\u4e3a\u53c2\u6570name\u7684\u503c\uff0cvalue\u4e3a\u67e5\u8be2\u7528\u6237\u96c6\u5408\u3002<\/p>\n<pre><code>@Service\npublic class UserServiceImpl implements UserService {\n    @Autowired\n    private UserMapper userMapper;\n\n    @Override\n    @Cacheable(value = &quot;getUsersByName&quot;, key = &quot;#name&quot;)\n    public List&lt;GyhUser&gt; getUsersByName(String name) {\n        return userMapper.getUsersByName(name);\n    }\n}\n\n<\/code><\/pre>\n<p>\u5f53\u7a0b\u5e8f\u8c03\u7528\u5230\u6b64\u65b9\u6cd5\u524d\uff0c\u4f1a\u81ea\u52a8\u8fdb\u5165\u7f13\u5b58\u62e6\u622a\u5668<code>CacheInterceptor<\/code>\uff0c\u8fdb\u800c\u8fdb\u5165<code>ConcurrentMapCacheManager<\/code>\u7684<code>getCache<\/code>\u65b9\u6cd5\uff0c\u83b7\u53d6\u5bf9\u5e94\u7684\u7f13\u5b58\u5b9e\u4f8b\uff0c\u82e5\u4e0d\u5b58\u5728\uff0c\u5219\u751f\u6210\u4e00\u4e2a\u3002  <br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044133216\" alt=\"img_1.png\" title=\"img_1.png\" loading=\"lazy\">  <br \/>\u7136\u540e\u4ece\u7f13\u5b58\u5b9e\u4f8b\u4e2d\u67e5\u627e\u7f13\u5b58\u6570\u636e\uff0c\u627e\u5230\u5219\u8fd4\u56de\uff0c\u627e\u4e0d\u5230\u5219\u6267\u884c\u76ee\u6807\u65b9\u6cd5\u3002  <br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044133217\" alt=\"img_3.png\" title=\"img_3.png\" loading=\"lazy\"><\/p>\n<p>\u6267\u884c\u5b8c\u76ee\u6807\u65b9\u6cd5\u540e\uff0c\u5c06\u8fd4\u56de\u7ed3\u679c\u653e\u5230\u7f13\u5b58\u4e2d\u3002  <br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044133218\" alt=\"img_4.png\" title=\"img_4.png\" loading=\"lazy\"><\/p>\n<h3>\u5b9e\u73b0\u81ea\u52a8\u8fc7\u671f\u5220\u9664<\/h3>\n<p>\u6839\u636e\u4e0a\u9762\u7684\u4ee3\u7801\u8ddf\u8e2a\u53ef\u4ee5\u53d1\u73b0\uff0c\u7f13\u5b58\u6570\u636ekey\/value\u5b58\u653e\u5728\u5177\u4f53\u7684\u7f13\u5b58\u5b9e\u4f8b<code>ConcurrentMapCache<\/code>\u7684<code>store<\/code>\u4e2d\uff0c\u4e14get\u548cput\u524d\u540e\uff0c\u6709\u6211\u53ef\u4ee5\u64cd\u4f5c\u7684\u7a7a\u95f4\u3002<\/p>\n<ol>\n<li>\u90a3\u4e48\uff0c\u5982\u679c\u6211\u5c06value\u91cd\u65b0\u5305\u88c5\u4e00\u4e0b\uff0c\u5c06\u7f13\u5b58\u65f6\u95f4\u5c01\u88c5\u8fdb\u53bb\uff0c\u5e76\u5728get\u548cput\u524d\u540e\uff0c\u5c06\u771f\u6b63\u7684\u7f13\u5b58\u6570\u636e\u89e3\u6790\u51fa\u6765\uff0c\u4f9b\u5f00\u53d1\u8005\u4f7f\u7528\uff0c\u662f\u5426\u53ef\u4ee5\u5b9e\u73b0\u5462\uff1f\u8bf4\u5e72\u5c31\u5e72\uff01<\/li>\n<\/ol>\n<pre><code>\/**\n * \u7f13\u5b58\u6570\u636e\u5305\u88c5\u7c7b\uff0c\u4fdd\u8bc1\u7f13\u5b58\u6570\u636e\u53ca\u63d2\u5165\u65f6\u95f4\n *\/\npublic class ExpireCacheWrap {\n    \/**\n     * \u7f13\u5b58\u6570\u636e\n     *\/\n    private final Object value;\n    \/**\n     * \u63d2\u5165\u65f6\u95f4\n     *\/\n    private final Long insertTime;\n\n    public ExpireCacheWrap(Object value, Long insertTime) {\n        this.value = value;\n        this.insertTime = insertTime;\n    }\n\n    public Object getValue() {\n        return value;\n    }\n\n    public Long getInsertTime() {\n        return this.insertTime;\n    }\n}\n\n<\/code><\/pre>\n<ol>\n<li>\u81ea\u5b9a\u4e49\u4e00\u4e2a<code>Cache<\/code>\u7c7b\uff0c\u7ee7\u627f<code>ConcurrentMapCache<\/code>\uff0c\u6269\u5c55get\u3001put\u65b9\u6cd5\uff0c\u5b9e\u73b0\u5bf9\u7f13\u5b58\u65f6\u95f4\u7684\u8bb0\u5f55\u548c\u89e3\u6790<\/li>\n<\/ol>\n<pre><code>\/**\n * \u7f13\u5b58\u8fc7\u671f\u5220\u9664\n *\/\npublic class ExpireCache extends ConcurrentMapCache {\n    public ExpireCache(String name) {\n        super(name);\n    }\n\n    @Override\n    public ValueWrapper get(Object key) {\n        \/\/ \u89e3\u6790\u7f13\u5b58\u5bf9\u8c61\u65f6\uff0c\u62ff\u5230value\uff0c\u53bb\u6389\u63d2\u5165\u65f6\u95f4\u3002\u5bf9\u4e8e\u4e1a\u52a1\u4e2d\u7f13\u5b58\u7684\u4f7f\u7528\u903b\u8f91\u65e0\u611f\u77e5\u65e0\u4fb5\u5165\uff0c\u65e0\u9700\u8c03\u6574\u76f8\u5173\u4ee3\u7801\n        ValueWrapper valueWrapper = super.get(key);\n        if (valueWrapper == null) {\n            return null;\n        }\n        Object storeValue = valueWrapper.get();\n        storeValue = storeValue != null ? ((ExpireCacheWrap) storeValue).getValue() : null;\n        return super.toValueWrapper(storeValue);\n    }\n\n    @Override\n    public void put(Object key, @Nullable Object value) {\n        \/\/ \u63d2\u5165\u7f13\u5b58\u5bf9\u8c61\u65f6\uff0c\u5c01\u88c5\u5bf9\u8c61\u4fe1\u606f\uff1a\u7f13\u5b58\u5185\u5bb9+\u63d2\u5165\u65f6\u95f4\n        value = new ExpireCacheWrap(value, System.currentTimeMillis());\n        super.put(key, value);\n    }\n}\n\n<\/code><\/pre>\n<ol>\n<li>\u81ea\u5b9a\u4e49\u7f13\u5b58\u7ba1\u7406\u5668\uff0c\u5c06\u81ea\u5b9a\u4e49\u7684<code>ExpireCache<\/code>\uff0c\u66ff\u6362\u9ed8\u8ba4\u7684<code>ConcurrentMapCache<\/code><\/li>\n<\/ol>\n<pre><code>\/**\n * \u7f13\u5b58\u7ba1\u7406\u5668\n *\/\npublic class ExpireCacheManager extends ConcurrentMapCacheManager {\n    @Override\n    protected Cache createConcurrentMapCache(String name) {\n        return new ExpireCache(name);\n    }\n}\n\n<\/code><\/pre>\n<ol>\n<li>\u5c06\u81ea\u5b9a\u4e49\u7684\u7f13\u5b58\u7ba1\u7406\u5668<code>ExpireCacheManager<\/code>\u6ce8\u5165\u5230\u5bb9\u5668\u4e2d<\/li>\n<\/ol>\n<pre><code>@Configuration\nclass ExpireCacheConfiguration {\n    @Bean\n    public ExpireCacheManager cacheManager() {\n        ExpireCacheManager cacheManager = new ExpireCacheManager();\n        return cacheManager;\n    }\n}\n\n<\/code><\/pre>\n<ol>\n<li>\u5f00\u542f\u5b9a\u65f6\u4efb\u52a1\uff0c\u81ea\u52a8\u5220\u9664\u8fc7\u671f\u7f13\u5b58<\/li>\n<\/ol>\n<pre><code>\/**\n * \u5b9a\u65f6\u6267\u884c\u5220\u9664\u8fc7\u671f\u7f13\u5b58\n *\/\n@Component\n@Slf4j\npublic class ExpireCacheEvictJob {\n\n    @Autowired\n    private ExpireCacheManager cacheManager;\n    \/**\n     * \u7f13\u5b58\u540d\u4e0e\u7f13\u5b58\u65f6\u95f4\n     *\/\n    private static Map&lt;String, Long&gt; cacheNameExpireMap;\n    \/\/ \u53ef\u4ee5\u4f18\u5316\u5230\u914d\u7f6e\u6587\u4ef6\u6216\u5b57\u5178\u4e2d\n    static {\n        cacheNameExpireMap = new HashMap&lt;&gt;(5);\n        cacheNameExpireMap.put(&quot;getUserById&quot;, 180000L);\n        cacheNameExpireMap.put(&quot;getUsersByName&quot;, 300000L);\n    }\n\n    \/**\n     * 5\u5206\u949f\u6267\u884c\u4e00\u6b21\n     *\/\n    @Scheduled(fixedRate = 300000)\n    public void cacheEvict() {\n        Long now = System.currentTimeMillis();\n        \/\/ \u83b7\u53d6\u6240\u6709\u7f13\u5b58\n        Collection&lt;String&gt; cacheNames = cacheManager.getCacheNames();\n        for (String cacheName : cacheNames) {\n            \/\/ \u8be5\u7c7b\u7f13\u5b58\u8bbe\u7f6e\u7684\u8fc7\u671f\u65f6\u95f4\n            Long expire = cacheNameExpireMap.get(cacheName);\n            \/\/ \u83b7\u53d6\u8be5\u7f13\u5b58\u7684\u7f13\u5b58\u5185\u5bb9\u96c6\u5408\n            Cache cache = cacheManager.getCache(cacheName);\n            ConcurrentMap&lt;Object, Object&gt; store = (ConcurrentMap) cache.getNativeCache();\n            Set&lt;Object&gt; keySet = store.keySet();\n            \/\/ \u5faa\u73af\u83b7\u53d6\u7f13\u5b58\u952e\u503c\u5bf9\uff0c\u6839\u636evalue\u4e2d\u5b58\u50a8\u7684\u63d2\u5165\u65f6\u95f4\uff0c\u5224\u65adkey\u662f\u5426\u5df2\u8fc7\u671f\uff0c\u8fc7\u671f\u5219\u5220\u9664\n            keySet.stream().forEach(key -&gt; {\n                \/\/ \u7f13\u5b58\u5185\u5bb9\u5305\u88c5\u5bf9\u8c61\n                ExpireCacheWrap value = (ExpireCacheWrap) store.get(key);\n                \/\/ \u7f13\u5b58\u5185\u5bb9\u63d2\u5165\u65f6\u95f4\n                Long insertTime = value.getInsertTime();\n                if ((insertTime + expire) &lt; now) {\n                    cache.evict(key);\n                    log.info(&quot;key={},insertTime={},expire={},\u8fc7\u671f\u5220\u9664&quot;, key, insertTime, expire);\n                }\n            });\n        }\n\n    }\n}\n\n<\/code><\/pre>\n<hr>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u64cd\u4f5c\uff0c\u5b9e\u73b0\u4e86\u8ba9<code>ConcurrentMapCacheManager<\/code>\u652f\u6301\u8fc7\u671f\u81ea\u52a8\u5220\u9664\uff0c\u5e76\u4e14\u5bf9\u5f00\u53d1\u8005\u57fa\u672c\u65e0\u611f\u77e5\u65e0\u4fb5\u5165\uff0c\u53ea\u9700\u8981\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6e\u7f13\u5b58\u65f6\u95f4\u5373\u53ef\u3002<\/p>\n<p>\u4f46\u662f\u5982\u679c\u6211\u7684\u9879\u76ee\u5df2\u7ecf\u652f\u6301\u4e86\u7b2c\u4e09\u65b9\u7f13\u5b58\u5982Redis\uff0c\u79c9\u7740\u4e0d\u7528\u767d\u4e0d\u7528\u7684\u539f\u5219\uff0c\u53c8\u8be5\u5982\u4f55\u5c06\u8be5\u529f\u80fd\u5ac1\u63a5\u5230Redis\u4e0a\u5462\uff1f<\/p>\n<p>\u6b63\u6b63\u597d\u6211\u4eec\u7684\u9879\u76ee\u6700\u8fd1\u5728\u5f15\u5165R2m\uff0c\u5c31\u8bd5\u7740\u641e\u4e00\u4e0b\u5427^-^\u3002<\/p>\n<p>\u672a\u5b8c\u5f85\u7eed~Thanks~<\/p>\n<blockquote>\n<p>\u4f5c\u8005\uff1a\u4eac\u4e1c\u79d1\u6280 \u90ed\u8273\u7ea2<\/p>\n<p>\u6765\u6e90\uff1a\u4eac\u4e1c\u4e91\u5f00\u53d1\u8005\u793e\u533a<\/p>\n<\/blockquote>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000044133213\">https:\/\/segmentfault.com\/a\/1190000044133213<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00\uff1a\u5728\u6211\u4eec\u7684\u5e94\u7528\u4e2d\uff0c\u6709\u4e00\u4e9b\u6570\u636e\u662f\u901a\u8fc7rpc\u83b7\u53d6\u7684\u8fdc\u7aef\u6570\u636e\uff0c\u8be5\u6570\u636e\u4e0d\u4f1a\u7ecf\u5e38\u53d8\u5316\uff0c\u5141\u8bb8\u5ba2\u6237\u7aef\u5728\u672c\u5730\u7f13\u5b58\u4e00\u5b9a\u65f6\u95f4\u3002 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10008125","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008125","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10008125"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008125\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10008125"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10008125"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10008125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}