{"id":193505,"date":"2024-11-12T22:44:20","date_gmt":"2024-11-12T14:44:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193505\/"},"modified":"2024-11-12T22:44:21","modified_gmt":"2024-11-12T14:44:21","slug":"%e5%ad%b8%e7%bf%92redis%e9%8e%96%e6%8a%80%e8%a1%93%ef%bc%8c%e9%96%8b%e7%99%bc%e6%99%ba%e8%83%bd%e9%ab%98%e6%95%88%e6%87%89%e7%94%a8%ef%bc%88redis%e9%8e%96%e9%96%8b%e7%99%bc%e8%aa%b2%e7%a8%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193505\/","title":{"rendered":"\u5b78\u7fd2Redis\u9396\u6280\u8853\uff0c\u958b\u767c\u667a\u80fd\u9ad8\u6548\u61c9\u7528\uff08redis\u9396\u958b\u767c\u8ab2\u7a0b\uff09"},"content":{"rendered":"<h1 id=\"%e5%ad%b8%e7%bf%92redis%e9%8e%96%e6%8a%80%e8%a1%93%ef%bc%8c%e9%96%8b%e7%99%bc%e6%99%ba%e8%83%bd%e9%ab%98%e6%95%88%e6%87%89%e7%94%a8%ef%bc%88redis%e9%8e%96%e9%96%8b%e7%99%bc%e8%aa%b2%e7%a8%8b%ef%bc%89-cfifgTLCis\">\u5b78\u7fd2Redis\u9396\u6280\u8853\uff0c\u958b\u767c\u667a\u80fd\u9ad8\u6548\u61c9\u7528\uff08redis\u9396\u958b\u767c\u8ab2\u7a0b\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u4e00\u81f4\u6027\u548c\u8cc7\u6e90\u7af6\u722d\u662f\u958b\u767c\u8005\u9762\u81e8\u7684\u4e3b\u8981\u6311\u6230\u4e4b\u4e00\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u6280\u8853\u4f86\u5e6b\u52a9\u958b\u767c\u8005\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u9396\u7684\u6280\u8853\u7d30\u7bc0\uff0c\u4e26\u63d0\u4f9b\u5be6\u7528\u7684\u958b\u767c\u8ab2\u7a0b\u5efa\u8b70\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5b78\u7fd2\u5982\u4f55\u5229\u7528Redis\u9396\u6280\u8853\u4f86\u958b\u767c\u667a\u80fd\u9ad8\u6548\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e9%8e%96%ef%bc%9f-cfifgTLCis\">\u4ec0\u9ebc\u662fRedis\u9396\uff1f<\/h2>\n<p>Redis\u9396\u662f\u4e00\u7a2e\u7528\u65bc\u63a7\u5236\u5c0d\u5171\u4eab\u8cc7\u6e90\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u5b83\u53ef\u4ee5\u9632\u6b62\u591a\u500b\u9032\u7a0b\u6216\u7dda\u7a0b\u540c\u6642\u8a2a\u554f\u540c\u4e00\u8cc7\u6e90\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u7af6\u722d\u689d\u4ef6\u7684\u767c\u751f\u3002Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u7684\u5be6\u73fe\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u898b\u7684\u662f\u57fa\u65bcSETNX\u547d\u4ee4\u7684\u9396\u3002<\/p>\n<h3 id=\"setnx%e5%91%bd%e4%bb%a4-cfifgTLCis\">SETNX\u547d\u4ee4<\/h3>\n<p>SETNX\uff08Set if Not eXists\uff09\u547d\u4ee4\u7684\u4f5c\u7528\u662f\u7576\u6307\u5b9a\u7684\u9375\u4e0d\u5b58\u5728\u6642\uff0c\u5c07\u5176\u8a2d\u7f6e\u70ba\u6307\u5b9a\u7684\u503c\u3002\u9019\u4f7f\u5f97\u6211\u5011\u53ef\u4ee5\u5229\u7528SETNX\u4f86\u5be6\u73fe\u7c21\u55ae\u7684\u9396\u6a5f\u5236\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SETNX lock_key 1\nEXPIRE lock_key 10\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5617\u8a66\u8a2d\u7f6e\u4e00\u500b\u540d\u70balock_key\u7684\u9396\u3002\u5982\u679c\u9396\u4e0d\u5b58\u5728\uff0c\u5247\u8a2d\u7f6e\u6210\u529f\uff0c\u4e26\u4e14\u6211\u5011\u53ef\u4ee5\u901a\u904eEXPIRE\u547d\u4ee4\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\uff0c\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-cfifgTLCis\">Redis\u9396\u7684\u512a\u7f3a\u9ede<\/h2>\n<h3 id=\"%e5%84%aa%e9%bb%9e-cfifgTLCis\">\u512a\u9ede<\/h3>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>Redis\u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5f97\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u901f\u5ea6\u975e\u5e38\u5feb\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>\u4f7f\u7528Redis\u9396\u7684API\u76f8\u5c0d\u7c21\u55ae\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5feb\u901f\u4e0a\u624b\u3002<\/li>\n<li><strong>\u652f\u6301\u5206\u4f48\u5f0f\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<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-cfifgTLCis\">\u7f3a\u9ede<\/h3>\n<ul>\n<li><strong>\u53ef\u80fd\u51fa\u73fe\u6b7b\u9396\uff1a<\/strong>\u5982\u679c\u9396\u7684\u91cb\u653e\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b7b\u9396\u7684\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u4f9d\u8cf4\u65bcRedis\u7684\u53ef\u7528\u6027\uff1a<\/strong>\u5982\u679cRedis\u670d\u52d9\u5668\u51fa\u73fe\u6545\u969c\uff0c\u9396\u7684\u6a5f\u5236\u5c07\u7121\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%beredis%e9%8e%96%ef%bc%9f-cfifgTLCis\">\u5982\u4f55\u5be6\u73feRedis\u9396\uff1f<\/h2>\n<p>\u5728\u5be6\u969b\u958b\u767c\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528Redisson\u7b49\u5eab\u4f86\u7c21\u5316Redis\u9396\u7684\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Redisson\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import org.redisson.Redisson;\nimport org.redisson.api.RLock;\nimport org.redisson.api.RedissonClient;\nimport org.redisson.Redisson;\nimport org.redisson.config.Config;\n\nConfig config = new Config();\nconfig.useSingleServer().setAddress(\"redis:\/\/127.0.0.1:6379\");\nRedissonClient redisson = Redisson.create(config);\n\nRLock lock = redisson.getLock(\"myLock\");\nlock.lock();\ntry {\n    \/\/ \u57f7\u884c\u9700\u8981\u9396\u5b9a\u7684\u64cd\u4f5c\n} finally {\n    lock.unlock();\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5275\u5efa\u4e86\u4e00\u500bRedissonClient\uff0c\u7136\u5f8c\u7372\u53d6\u4e86\u4e00\u500b\u540d\u70bamyLock\u7684\u9396\u3002\u5728\u57f7\u884c\u9700\u8981\u9396\u5b9a\u7684\u64cd\u4f5c\u6642\uff0c\u6211\u5011\u7372\u53d6\u9396\uff0c\u4e26\u5728\u64cd\u4f5c\u5b8c\u6210\u5f8c\u91cb\u653e\u9396\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-cfifgTLCis\">\u7d50\u8ad6<\/h2>\n<p>Redis\u9396\u6280\u8853\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u7684\u65b9\u5f0f\u4f86\u7ba1\u7406\u8cc7\u6e90\u7af6\u722d\u548c\u6578\u64da\u4e00\u81f4\u6027\u554f\u984c\u3002\u901a\u904e\u5b78\u7fd2\u548c\u5be6\u8e10Redis\u9396\u7684\u4f7f\u7528\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u958b\u767c\u51fa\u66f4\u52a0\u667a\u80fd\u548c\u9ad8\u6548\u7684\u61c9\u7528\u3002\u7121\u8ad6\u662f\u5728\u55ae\u6a5f\u9084\u662f\u5206\u4f48\u5f0f\u74b0\u5883\u4e2d\uff0c\u638c\u63e1Redis\u9396\u6280\u8853\u90fd\u662f\u63d0\u5347\u958b\u767c\u6548\u7387\u7684\u91cd\u8981\u4e00\u6b65\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bcVPS\u3001<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u3001<a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\u3001<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u7b49\u4e3b\u984c\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2Redis\u9396\u6280\u8853\uff0c\u638c\u63e1\u9ad8\u6548\u61c9\u7528\u958b\u767c\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u5831\u540d\u53c3\u52a0\u5c08\u696d\u7684Redis\u9396\u958b\u767c\u8ab2\u7a0b\uff01<\/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-193505","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193505","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=193505"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193505\/revisions"}],"predecessor-version":[{"id":193506,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193505\/revisions\/193506"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=193505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=193505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=193505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}