{"id":185056,"date":"2024-11-10T18:22:25","date_gmt":"2024-11-10T10:22:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185056\/"},"modified":"2024-11-10T18:22:26","modified_gmt":"2024-11-10T10:22:26","slug":"%e4%bd%bf%e7%94%a8redis%e9%8e%96%e9%98%b2%e6%ad%a2%e8%b6%85%e6%99%82%e9%87%8b%e6%94%be%ef%bc%88redis%e9%8e%96%e8%b6%85%e6%99%82%e9%87%8b%e6%94%be%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185056\/","title":{"rendered":"\u4f7f\u7528Redis\u9396\u9632\u6b62\u8d85\u6642\u91cb\u653e\uff08redis\u9396\u8d85\u6642\u91cb\u653e\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e9%8e%96%e9%98%b2%e6%ad%a2%e8%b6%85%e6%99%82%e9%87%8b%e6%94%be%ef%bc%88redis%e9%8e%96%e8%b6%85%e6%99%82%e9%87%8b%e6%94%be%ef%bc%89-EZplKkubMo\">\u4f7f\u7528Redis\u9396\u9632\u6b62\u8d85\u6642\u91cb\u653e\uff08redis\u9396\u8d85\u6642\u91cb\u653e\uff09<\/h1>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u8cc7\u6e90\u7684\u7af6\u722d\u662f\u5e38\u898b\u7684\u554f\u984c\u3002\u70ba\u4e86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\uff0c\u958b\u767c\u8005\u7d93\u5e38\u4f7f\u7528\u9396\u4f86\u63a7\u5236\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u7684\u5be6\u73fe\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u898b\u7684\u5c31\u662f\u4f7f\u7528Redis\u9396\u4f86\u9632\u6b62\u8d85\u6642\u91cb\u653e\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-EZplKkubMo\">Redis\u9396\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\u9396\u662f\u4e00\u7a2e\u7528\u65bc\u4fdd\u8b77\u5171\u4eab\u8cc7\u6e90\u7684\u6a5f\u5236\u3002\u7576\u4e00\u500b\u5ba2\u6236\u7aef\u7372\u53d6\u9396\u6642\uff0c\u5176\u4ed6\u5ba2\u6236\u7aef\u5fc5\u9808\u7b49\u5f85\uff0c\u76f4\u5230\u9396\u88ab\u91cb\u653e\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u4fee\u6539\u540c\u4e00\u8cc7\u6e90\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e8%b6%85%e6%99%82%e9%87%8b%e6%94%be%e7%9a%84%e5%95%8f%e9%a1%8c-EZplKkubMo\">\u8d85\u6642\u91cb\u653e\u7684\u554f\u984c<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u9396\u6642\uff0c\u8d85\u6642\u91cb\u653e\u662f\u4e00\u500b\u9700\u8981\u7279\u5225\u6ce8\u610f\u7684\u554f\u984c\u3002\u7576\u9396\u7684\u6301\u6709\u8005\u5728\u57f7\u884c\u64cd\u4f5c\u6642\uff0c\u5982\u679c\u56e0\u70ba\u67d0\u7a2e\u539f\u56e0\uff08\u5982\u7db2\u7d61\u554f\u984c\u6216\u9577\u6642\u9593\u7684\u8a08\u7b97\uff09\u672a\u80fd\u53ca\u6642\u91cb\u653e\u9396\uff0c\u5247\u5176\u4ed6\u5ba2\u6236\u7aef\u5c07\u7121\u6cd5\u7372\u53d6\u9396\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u7cfb\u7d71\u7684\u6027\u80fd\u4e0b\u964d\u6216\u6b7b\u9396\u7684\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"%e8%b6%85%e6%99%82%e9%87%8b%e6%94%be%e7%9a%84%e9%a2%a8%e9%9a%aa-EZplKkubMo\">\u8d85\u6642\u91cb\u653e\u7684\u98a8\u96aa<\/h3>\n<ul>\n<li><strong>\u6b7b\u9396\uff1a<\/strong>\u5982\u679c\u4e00\u500b\u5ba2\u6236\u7aef\u6301\u6709\u9396\u4f46\u672a\u80fd\u91cb\u653e\uff0c\u5176\u4ed6\u5ba2\u6236\u7aef\u5c07\u7121\u6cd5\u7372\u53d6\u9396\uff0c\u5c0e\u81f4\u7cfb\u7d71\u7121\u6cd5\u7e7c\u7e8c\u904b\u884c\u3002<\/li>\n<li><strong>\u6027\u80fd\u4e0b\u964d\uff1a<\/strong>\u9396\u7684\u6301\u6709\u6642\u9593\u904e\u9577\u6703\u5f71\u97ff\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4f75\u767c\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u6578\u64da\u4e0d\u4e00\u81f4\uff1a<\/strong>\u5982\u679c\u9396\u672a\u80fd\u6b63\u78ba\u91cb\u653e\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u7684\u932f\u8aa4\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%ef%bc%9a%e4%bd%bf%e7%94%a8redis%e9%8e%96%e9%98%b2%e6%ad%a2%e8%b6%85%e6%99%82%e9%87%8b%e6%94%be-EZplKkubMo\">\u89e3\u6c7a\u65b9\u6848\uff1a\u4f7f\u7528Redis\u9396\u9632\u6b62\u8d85\u6642\u91cb\u653e<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u8d85\u6642\u91cb\u653e\u7684\u554f\u984c\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e7%bd%ae%e5%90%88%e7%90%86%e7%9a%84%e9%8e%96%e8%b6%85%e6%99%82-EZplKkubMo\">1. \u8a2d\u7f6e\u5408\u7406\u7684\u9396\u8d85\u6642<\/h3>\n<p>\u5728\u7372\u53d6\u9396\u6642\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u4e00\u500b\u5408\u7406\u7684\u8d85\u6642\u6642\u9593\u3002\u9019\u6a23\u5373\u4f7f\u6301\u6709\u9396\u7684\u5ba2\u6236\u7aef\u56e0\u6545\u969c\u672a\u80fd\u91cb\u653e\u9396\uff0c\u7cfb\u7d71\u4e5f\u80fd\u5728\u8d85\u6642\u5f8c\u81ea\u52d5\u91cb\u653e\u9396\uff0c\u907f\u514d\u6b7b\u9396\u7684\u60c5\u6cc1\u3002<\/p>\n<pre><code>\nSET lock_key \"lock_value\" NX PX 30000\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c`PX 30000`\u8868\u793a\u9396\u7684\u8d85\u6642\u6642\u9593\u70ba30\u79d2\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e9%8e%96%e7%ba%8c%e6%9c%9f%e6%a9%9f%e5%88%b6-EZplKkubMo\">2. \u4f7f\u7528\u9396\u7e8c\u671f\u6a5f\u5236<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6301\u6709\u9396\u7684\u64cd\u4f5c\u53ef\u80fd\u9700\u8981\u8f03\u9577\u7684\u6642\u9593\u3002\u6b64\u6642\uff0c\u53ef\u4ee5\u5b9a\u671f\u7e8c\u671f\u9396\u7684\u6709\u6548\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u9396\u56e0\u8d85\u6642\u800c\u88ab\u91cb\u653e\u3002<\/p>\n<pre><code>\nif (isLockHeld(lock_key)) {\n    \/\/ \u7e8c\u671f\u9396\n    EXPIRE lock_key 30000\n}\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8redisson%e7%ad%89%e9%ab%98%e7%b4%9a%e5%ba%ab-EZplKkubMo\">3. \u4f7f\u7528Redisson\u7b49\u9ad8\u7d1a\u5eab<\/h3>\n<p>Redisson\u662f\u4e00\u500b\u57fa\u65bcRedis\u7684Java\u5ba2\u6236\u7aef\uff0c\u63d0\u4f9b\u4e86\u9ad8\u7d1a\u7684\u9396\u5be6\u73fe\uff0c\u652f\u6301\u81ea\u52d5\u7e8c\u671f\u548c\u9396\u7684\u76e3\u63a7\u3002\u4f7f\u7528\u9019\u4e9b\u5eab\u53ef\u4ee5\u7c21\u5316\u9396\u7684\u7ba1\u7406\uff0c\u964d\u4f4e\u51fa\u932f\u7684\u98a8\u96aa\u3002<\/p>\n<pre><code>\nRLock lock = redisson.getLock(\"lock_key\");\nlock.lock(30, TimeUnit.SECONDS);\ntry {\n    \/\/ \u57f7\u884c\u9700\u8981\u9396\u5b9a\u7684\u64cd\u4f5c\n} finally {\n    lock.unlock();\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-EZplKkubMo\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Redis\u9396\u4f86\u9632\u6b62\u8d85\u6642\u91cb\u653e\u662f\u4e00\u500b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u901a\u904e\u5408\u7406\u8a2d\u7f6e\u9396\u7684\u8d85\u6642\u6642\u9593\u3001\u5be6\u65bd\u9396\u7e8c\u671f\u6a5f\u5236\u4ee5\u53ca\u4f7f\u7528\u9ad8\u7d1a\u5eab\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u9396\u7684\u4f7f\u7528\uff0c\u907f\u514d\u56e0\u8d85\u6642\u91cb\u653e\u800c\u5c0e\u81f4\u7684\u554f\u984c\u3002\u5728\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u6642\uff0c\u8003\u616e\u5230Redis\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528Redis\u9396\u9632\u6b62\u8d85\u6642\u91cb\u653e\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u7cfb\u7d71\u7a69\u5b9a\u6027\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\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-185056","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185056","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=185056"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185056\/revisions"}],"predecessor-version":[{"id":185057,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185056\/revisions\/185057"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185056"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185056"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185056"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}