{"id":171557,"date":"2024-11-07T03:44:18","date_gmt":"2024-11-06T19:44:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171557\/"},"modified":"2024-11-07T03:44:19","modified_gmt":"2024-11-06T19:44:19","slug":"%e6%90%b6%e8%b3%bc%e7%86%b1%e6%bd%ae%e4%b8%8b%e7%9a%84redis%e5%ba%ab%e5%ad%98%e8%b6%85%e8%b3%a3%e9%a2%a8%e9%9a%aa%ef%bc%88%e9%ab%98%e4%b8%a6%e7%99%bcredis%e5%ba%ab%e5%ad%98%e8%b6%85%e8%b3%a3%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171557\/","title":{"rendered":"\u6436\u8cfc\u71b1\u6f6e\u4e0b\u7684Redis\u5eab\u5b58\u8d85\u8ce3\u98a8\u96aa\uff08\u9ad8\u4e26\u767credis\u5eab\u5b58\u8d85\u8ce3\uff09"},"content":{"rendered":"<h1 id=\"%e6%90%b6%e8%b3%bc%e7%86%b1%e6%bd%ae%e4%b8%8b%e7%9a%84redis%e5%ba%ab%e5%ad%98%e8%b6%85%e8%b3%a3%e9%a2%a8%e9%9a%aa%ef%bc%88%e9%ab%98%e4%b8%a6%e7%99%bcredis%e5%ba%ab%e5%ad%98%e8%b6%85%e8%b3%a3%ef%bc%89-oLJCWfhjvp\">\u6436\u8cfc\u71b1\u6f6e\u4e0b\u7684Redis\u5eab\u5b58\u8d85\u8ce3\u98a8\u96aa\uff08\u9ad8\u4e26\u767credis\u5eab\u5b58\u8d85\u8ce3\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u96fb\u5b50\u5546\u52d9\u74b0\u5883\u4e2d\uff0c\u6436\u8cfc\u71b1\u6f6e\u5df2\u6210\u70ba\u4e00\u7a2e\u5e38\u898b\u73fe\u8c61\u3002\u7121\u8ad6\u662f\u9650\u91cf\u5546\u54c1\u7684\u767c\u552e\u9084\u662f\u7279\u5b9a\u7bc0\u65e5\u7684\u4fc3\u92b7\u6d3b\u52d5\uff0c\u6d88\u8cbb\u8005\u7684\u9700\u6c42\u5f80\u5f80\u6703\u5728\u77ed\u6642\u9593\u5167\u6fc0\u589e\u3002\u9019\u7a2e\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u5c0d\u65bc\u5f8c\u7aef\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u63d0\u51fa\u4e86\u6311\u6230\uff0c\u5c24\u5176\u662f\u5728\u4f7f\u7528Redis\u4f5c\u70ba\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u6642\uff0c\u5eab\u5b58\u8d85\u8ce3\u7684\u98a8\u96aa\u96a8\u4e4b\u589e\u52a0\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e7%89%b9%e6%80%a7%e8%88%87%e6%87%89%e7%94%a8-oLJCWfhjvp\">Redis\u7684\u7279\u6027\u8207\u61c9\u7528<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u5176\u652f\u6301\u9ad8\u4e26\u767c\u7684\u7279\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u4f01\u696d\u7684\u9996\u9078\u3002\u7136\u800c\uff0c\u7576\u9762\u5c0d\u9ad8\u4e26\u767c\u7684\u8acb\u6c42\u6642\uff0cRedis\u7684\u5eab\u5b58\u7ba1\u7406\u53ef\u80fd\u6703\u51fa\u73fe\u554f\u984c\uff0c\u5c0e\u81f4\u5eab\u5b58\u8d85\u8ce3\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e5%ba%ab%e5%ad%98%e8%b6%85%e8%b3%a3%e7%9a%84%e5%8e%9f%e5%9b%a0-oLJCWfhjvp\">\u5eab\u5b58\u8d85\u8ce3\u7684\u539f\u56e0<\/h2>\n<p>\u5eab\u5b58\u8d85\u8ce3\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u4e26\u767c\u8acb\u6c42\uff1a<\/strong>\u7576\u591a\u500b\u7528\u6236\u540c\u6642\u5617\u8a66\u8cfc\u8cb7\u540c\u4e00\u5546\u54c1\u6642\uff0c\u82e5\u7cfb\u7d71\u672a\u80fd\u6709\u6548\u7ba1\u7406\u8acb\u6c42\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u8d85\u8ce3\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\u554f\u984c\uff1a<\/strong>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u7684\u4e00\u81f4\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u82e5Redis\u7684\u6578\u64da\u672a\u80fd\u53ca\u6642\u66f4\u65b0\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u5eab\u5b58\u6578\u91cf\u4e0d\u6e96\u78ba\u7684\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u9396\u7684\u7ba1\u7406\u4e0d\u7576\uff1a<\/strong>\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\uff0c\u82e5\u9396\u7684\u7ba1\u7406\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u8acb\u6c42\u7684\u8655\u7406\u9806\u5e8f\u932f\u8aa4\uff0c\u9032\u800c\u5f15\u767c\u8d85\u8ce3\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%98%b2%e6%ad%a2%e5%ba%ab%e5%ad%98%e8%b6%85%e8%b3%a3-oLJCWfhjvp\">\u5982\u4f55\u9632\u6b62\u5eab\u5b58\u8d85\u8ce3<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u9632\u6b62Redis\u5eab\u5b58\u8d85\u8ce3\u7684\u98a8\u96aa\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96-oLJCWfhjvp\">1. \u4f7f\u7528\u5206\u4f48\u5f0f\u9396<\/h3>\n<p>\u5728\u8655\u7406\u5eab\u5b58\u8acb\u6c42\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u5206\u4f48\u5f0f\u9396\u4f86\u78ba\u4fdd\u540c\u4e00\u6642\u9593\u53ea\u6709\u4e00\u500b\u8acb\u6c42\u80fd\u5920\u4fee\u6539\u5eab\u5b58\u6578\u64da\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u907f\u514d\u56e0\u70ba\u591a\u500b\u8acb\u6c42\u540c\u6642\u4fee\u6539\u5eab\u5b58\u800c\u5c0e\u81f4\u7684\u8d85\u8ce3\u554f\u984c\u3002<\/p>\n<pre><code>\n# \u4f7f\u7528Redisson\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\nRLock lock = redisson.getLock(\"lock\");\nlock.lock();\ntry {\n    \/\/ \u66f4\u65b0\u5eab\u5b58\u908f\u8f2f\n} finally {\n    lock.unlock();\n}\n<\/code><\/pre>\n<h3 id=\"2-%e5%af%a6%e7%8f%be%e5%ba%ab%e5%ad%98%e9%a0%90%e6%b8%9b-oLJCWfhjvp\">2. \u5be6\u73fe\u5eab\u5b58\u9810\u6e1b<\/h3>\n<p>\u5728\u7528\u6236\u4e0b\u55ae\u6642\uff0c\u5148\u5c07\u5eab\u5b58\u9810\u6e1b\uff0c\u7136\u5f8c\u518d\u9032\u884c\u5be6\u969b\u7684\u5eab\u5b58\u66f4\u65b0\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u6e1b\u5c11\u8d85\u8ce3\u7684\u98a8\u96aa\u3002<\/p>\n<pre><code>\nif (redis.decrement(\"product_stock\") &gt;= 0) {\n    \/\/ \u5141\u8a31\u4e0b\u55ae\n} else {\n    \/\/ \u5eab\u5b58\u4e0d\u8db3\n}\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e6%b6%88%e6%81%af%e9%9a%8a%e5%88%97-oLJCWfhjvp\">3. \u4f7f\u7528\u6d88\u606f\u968a\u5217<\/h3>\n<p>\u5c07\u8cfc\u8cb7\u8acb\u6c42\u653e\u5165\u6d88\u606f\u968a\u5217\u4e2d\uff0c\u7136\u5f8c\u7531\u5f8c\u7aef\u670d\u52d9\u9010\u4e00\u8655\u7406\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u63a7\u5236\u8acb\u6c42\u7684\u4e26\u767c\u91cf\uff0c\u6e1b\u5c11\u8d85\u8ce3\u7684\u98a8\u96aa\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-oLJCWfhjvp\">\u7d50\u8ad6<\/h2>\n<p>\u5728\u9ad8\u4e26\u767c\u7684\u6436\u8cfc\u71b1\u6f6e\u4e2d\uff0cRedis\u7684\u5eab\u5b58\u7ba1\u7406\u9762\u81e8\u8457\u8d85\u8ce3\u7684\u98a8\u96aa\u3002\u901a\u904e\u5be6\u65bd\u5206\u4f48\u5f0f\u9396\u3001\u5eab\u5b58\u9810\u6e1b\u548c\u6d88\u606f\u968a\u5217\u7b49\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u9019\u4e00\u98a8\u96aa\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u7528\u6236\u7684\u8cfc\u7269\u9ad4\u9a57\u3002\u96a8\u8457\u96fb\u5b50\u5546\u52d9\u7684\u767c\u5c55\uff0c\u5c0d\u65bc\u5f8c\u7aef\u7cfb\u7d71\u7684\u8981\u6c42\u5c07\u8d8a\u4f86\u8d8a\u9ad8\uff0c\u4f01\u696d\u9700\u8981\u4e0d\u65b7\u512a\u5316\u5176\u6280\u8853\u67b6\u69cb\uff0c\u4ee5\u61c9\u5c0d\u672a\u4f86\u7684\u6311\u6230\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-oLJCWfhjvp\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u96fb\u5b50\u5546\u52d9\u7684\u6436\u8cfc\u71b1\u6f6e\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u96d6\u7136\u5177\u5099\u9ad8\u4e26\u767c\u8655\u7406\u80fd\u529b\uff0c\u4f46\u4ecd\u9700\u8b39\u614e\u7ba1\u7406\u5eab\u5b58\u4ee5\u907f\u514d\u8d85\u8ce3\u98a8\u96aa\u3002\u900f\u904e\u6709\u6548\u7684\u6280\u8853\u624b\u6bb5\uff0c\u5982\u5206\u4f48\u5f0f\u9396\u548c\u6d88\u606f\u968a\u5217\u7b49\uff0c\u4f01\u696d\u53ef\u4ee5\u63d0\u5347\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\uff0c\u78ba\u4fdd\u7528\u6236\u7684\u826f\u597d\u9ad4\u9a57\u3002\u82e5\u60a8\u5c0d\u65bc\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u6709\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>\u63a2\u7d22\u6436\u8cfc\u71b1\u6f6e\u4e2dRedis\u5eab\u5b58\u8d85\u8ce3\u7684\u98a8\u96aa\uff0c\u5206\u6790\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\u7684\u6311\u6230\u8207\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-171557","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171557","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=171557"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171557\/revisions"}],"predecessor-version":[{"id":171558,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171557\/revisions\/171558"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171557"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}