{"id":129437,"date":"2024-10-26T21:38:24","date_gmt":"2024-10-26T13:38:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129437\/"},"modified":"2024-10-26T21:38:25","modified_gmt":"2024-10-26T13:38:25","slug":"redis%e9%8e%96%e8%88%87%e5%90%8c%e6%ad%a5%e9%8e%96%e8%aa%b0%e6%9b%b4%e5%8b%9d%e4%b8%80%e7%b1%8c%ef%bc%88%e5%90%8c%e6%ad%a5%e9%8e%96%e5%92%8credis%e9%8e%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129437\/","title":{"rendered":"Redis\u9396\u8207\u540c\u6b65\u9396\u8ab0\u66f4\u52dd\u4e00\u7c4c\uff08\u540c\u6b65\u9396\u548credis\u9396\uff09"},"content":{"rendered":"<h1 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id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%90%8c%e6%ad%a5%e9%8e%96%ef%bc%9f-CdgeOMnLjb\">\u4ec0\u9ebc\u662f\u540c\u6b65\u9396\uff1f<\/h2>\n<p>\u540c\u6b65\u9396\u662f\u6307\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u901a\u904e\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u9032\u884c\u63a7\u5236\uff0c\u4ee5\u78ba\u4fdd\u540c\u4e00\u6642\u9593\u53ea\u6709\u4e00\u500b\u7dda\u7a0b\u80fd\u5920\u8a2a\u554f\u8a72\u8cc7\u6e90\u3002Java\u4e2d\u7684synchronized\u95dc\u9375\u5b57\u5c31\u662f\u4e00\u500b\u5178\u578b\u7684\u540c\u6b65\u9396\u5be6\u73fe\u3002<\/p>\n<pre><code>public synchronized void method() {\n    \/\/ \u53ea\u6709\u4e00\u500b\u7dda\u7a0b\u53ef\u4ee5\u9032\u5165\u9019\u500b\u65b9\u6cd5\n}<\/code><\/pre>\n<h3 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id=\"%e7%bc%ba%e9%bb%9e-CdgeOMnLjb\">\u7f3a\u9ede<\/h3>\n<ul>\n<li><strong>\u6027\u80fd\u74f6\u9838\uff1a<\/strong>\u7576\u591a\u500b\u7dda\u7a0b\u7af6\u722d\u540c\u4e00\u9396\u6642\uff0c\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4f75\u767c\u5834\u666f\u4e0b\u3002<\/li>\n<li><strong>\u6b7b\u9396\u98a8\u96aa\uff1a<\/strong>\u4e0d\u7576\u4f7f\u7528\u53ef\u80fd\u5c0e\u81f4\u6b7b\u9396\uff0c\u5f71\u97ff\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e9%8e%96%ef%bc%9f-CdgeOMnLjb\">\u4ec0\u9ebc\u662fRedis\u9396\uff1f<\/h2>\n<p>Redis\u9396\u662f\u4e00\u7a2e\u57fa\u65bcRedis\u6578\u64da\u5eab\u7684\u5206\u4f48\u5f0f\u9396\u5be6\u73fe\u3002\u5b83\u5229\u7528Redis\u7684\u539f\u5b50\u6027\u64cd\u4f5c\u4f86\u78ba\u4fdd\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u662f\u5b89\u5168\u7684\u3002\u5e38\u898b\u7684\u5be6\u73fe\u65b9\u5f0f\u662f\u4f7f\u7528SETNX\u547d\u4ee4\u3002<\/p>\n<pre><code>public boolean acquireLock(String lockKey) {\n    return redisTemplate.opsForValue().setIfAbsent(lockKey, \"lock\", 10, TimeUnit.SECONDS);\n}<\/code><\/pre>\n<h3 id=\"%e5%84%aa%e9%bb%9e-CdgeOMnLjb\">\u512a\u9ede<\/h3>\n<ul>\n<li><strong>\u9ad8\u53ef\u7528\u6027\uff1a<\/strong>Redis\u9396\u53ef\u4ee5\u5728\u591a\u500b\u670d\u52d9\u5668\u4e4b\u9593\u5171\u4eab\uff0c\u9069\u5408\u5206\u4f48\u5f0f\u7cfb\u7d71\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u8d8a\uff1a<\/strong>\u7531\u65bcRedis\u662f\u5167\u5b58\u6578\u64da\u5eab\uff0c\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u901f\u5ea6\u975e\u5e38\u5feb\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-CdgeOMnLjb\">\u7f3a\u9ede<\/h3>\n<ul>\n<li><strong>\u8907\u96dc\u6027\uff1a<\/strong>\u76f8\u8f03\u65bc\u540c\u6b65\u9396\uff0cRedis\u9396\u7684\u5be6\u73fe\u548c\u7ba1\u7406\u76f8\u5c0d\u8907\u96dc\uff0c\u9700\u8981\u8003\u616e\u9396\u7684\u904e\u671f\u548c\u91cb\u653e\u7b49\u554f\u984c\u3002<\/li>\n<li><strong>\u4f9d\u8cf4\u5916\u90e8\u670d\u52d9\uff1a<\/strong>Redis\u9396\u4f9d\u8cf4\u65bcRedis\u670d\u52d9\u7684\u53ef\u7528\u6027\uff0c\u82e5Redis\u670d\u52d9\u51fa\u73fe\u6545\u969c\uff0c\u5c07\u5f71\u97ff\u9396\u7684\u529f\u80fd\u3002<\/li>\n<\/ul>\n<h2 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id=\"%e7%b5%90%e8%ab%96-CdgeOMnLjb\">\u7d50\u8ad6<\/h2>\n<p>\u5728\u9078\u64c7\u9396\u7684\u6642\u5019\uff0c\u958b\u767c\u8005\u9700\u8981\u6839\u64da\u5177\u9ad4\u7684\u9700\u6c42\u548c\u5834\u666f\u4f86\u6c7a\u5b9a\u4f7f\u7528\u540c\u6b65\u9396\u9084\u662fRedis\u9396\u3002\u540c\u6b65\u9396\u5728\u7c21\u55ae\u7684\u61c9\u7528\u4e2d\u8868\u73fe\u826f\u597d\uff0c\u800cRedis\u9396\u5247\u5728\u9ad8\u4f75\u767c\u548c\u5206\u4f48\u5f0f\u74b0\u5883\u4e2d\u66f4\u5177\u512a\u52e2\u3002\u4e86\u89e3\u9019\u5169\u7a2e\u9396\u7684\u7279\u9ede\u548c\u9069\u7528\u5834\u666f\uff0c\u5c07\u6709\u52a9\u65bc\u958b\u767c\u8005\u5728\u8a2d\u8a08\u7cfb\u7d71\u6642\u505a\u51fa\u66f4\u660e\u667a\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6bd4\u8f03Redis\u9396\u8207\u540c\u6b65\u9396\u7684\u512a\u7f3a\u9ede\uff0c\u63a2\u8a0e\u5728\u4e0d\u540c\u5834\u666f\u4e0b\u54ea\u7a2e\u9396\u66f4\u5177\u512a\u52e2\uff0c\u52a9\u4f60\u9078\u64c7\u6700\u4f73\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-129437","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129437","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=129437"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129437\/revisions"}],"predecessor-version":[{"id":129438,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129437\/revisions\/129438"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129437"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129437"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129437"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}