{"id":164231,"date":"2024-11-05T06:08:26","date_gmt":"2024-11-04T22:08:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/164231\/"},"modified":"2024-11-05T06:08:27","modified_gmt":"2024-11-04T22:08:27","slug":"%e5%80%9f%e5%8a%a9redis%e8%87%aa%e5%a2%9e%e9%98%b2%e6%ad%a2%e9%87%8d%e8%a4%87%e6%93%8d%e4%bd%9c%ef%bc%88redis%e8%87%aa%e5%a2%9e%e9%98%b2%e9%87%8d%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/164231\/","title":{"rendered":"\u501f\u52a9Redis\u81ea\u589e\u9632\u6b62\u91cd\u8907\u64cd\u4f5c\uff08redis\u81ea\u589e\u9632\u91cd\uff09"},"content":{"rendered":"<h1 id=\"%e5%80%9f%e5%8a%a9redis%e8%87%aa%e5%a2%9e%e9%98%b2%e6%ad%a2%e9%87%8d%e8%a4%87%e6%93%8d%e4%bd%9c%ef%bc%88redis%e8%87%aa%e5%a2%9e%e9%98%b2%e9%87%8d%ef%bc%89-PATlzyOlpq\">\u501f\u52a9Redis\u81ea\u589e\u9632\u6b62\u91cd\u8907\u64cd\u4f5c\uff08redis\u81ea\u589e\u9632\u91cd\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u91cd\u8907\u64cd\u4f5c\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e0b\u3002\u7576\u591a\u500b\u8acb\u6c42\u540c\u6642\u5230\u9054\u4f3a\u670d\u5668\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u91cd\u8907\u7684\u6578\u64da\u5beb\u5165\u6216\u64cd\u4f5c\uff0c\u9019\u4e0d\u50c5\u6703\u5f71\u97ff\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u696d\u52d9\u908f\u8f2f\u7684\u932f\u8aa4\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u800c\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff1a\u81ea\u589e\u9375\uff08INCR\uff09\u4f86\u9632\u6b62\u91cd\u8907\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e8%87%aa%e5%a2%9e%e9%8d%b5%ef%bc%9f-PATlzyOlpq\">\u4ec0\u9ebc\u662fRedis\u81ea\u589e\u9375\uff1f<\/h2>\n<p>Redis\u7684\u81ea\u589e\u9375\u662f\u4e00\u7a2e\u539f\u5b50\u64cd\u4f5c\uff0c\u901a\u904e\u4f7f\u7528INCR\u547d\u4ee4\uff0c\u53ef\u4ee5\u5c0d\u6307\u5b9a\u7684\u9375\u9032\u884c\u81ea\u589e\u64cd\u4f5c\u3002\u9019\u610f\u5473\u8457\u6bcf\u6b21\u8abf\u7528INCR\u6642\uff0cRedis\u6703\u81ea\u52d5\u5c07\u8a72\u9375\u7684\u503c\u52a01\uff0c\u4e26\u8fd4\u56de\u65b0\u7684\u503c\u3002\u9019\u7a2e\u64cd\u4f5c\u662f\u539f\u5b50\u7684\uff0c\u78ba\u4fdd\u4e86\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u4e0d\u6703\u51fa\u73fe\u6578\u64da\u7af6\u722d\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e8%87%aa%e5%a2%9e%e9%8d%b5%e9%98%b2%e6%ad%a2%e9%87%8d%e8%a4%87%e6%93%8d%e4%bd%9c-PATlzyOlpq\">\u5982\u4f55\u4f7f\u7528Redis\u81ea\u589e\u9375\u9632\u6b62\u91cd\u8907\u64cd\u4f5c<\/h2>\n<p>\u4f7f\u7528Redis\u81ea\u589e\u9375\u4f86\u9632\u6b62\u91cd\u8907\u64cd\u4f5c\u7684\u57fa\u672c\u601d\u8def\u662f\uff0c\u5c0d\u6bcf\u4e00\u500b\u9700\u8981\u9632\u6b62\u91cd\u8907\u7684\u64cd\u4f5c\uff0c\u5148\u6aa2\u67e5\u4e00\u500b\u7279\u5b9a\u7684\u9375\u662f\u5426\u5b58\u5728\u3002\u5982\u679c\u8a72\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u57f7\u884c\u64cd\u4f5c\u4e26\u5c07\u8a72\u9375\u8a2d\u7f6e\u70ba\u5b58\u5728\uff1b\u5982\u679c\u8a72\u9375\u5df2\u5b58\u5728\uff0c\u5247\u8868\u793a\u8a72\u64cd\u4f5c\u5df2\u7d93\u57f7\u884c\u904e\uff0c\u61c9\u8a72\u88ab\u5ffd\u7565\u3002<\/p>\n<h3 id=\"%e5%af%a6%e7%8f%be%e6%ad%a5%e9%a9%9f-PATlzyOlpq\">\u5be6\u73fe\u6b65\u9a5f<\/h3>\n<ol>\n<li>\u751f\u6210\u4e00\u500b\u552f\u4e00\u7684\u64cd\u4f5c\u6a19\u8b58\u7b26\uff0c\u4f8b\u5982\u7528\u6236ID\u548c\u64cd\u4f5c\u985e\u578b\u7684\u7d44\u5408\u3002<\/li>\n<li>\u4f7f\u7528Redis\u7684SETNX\u547d\u4ee4\u4f86\u8a2d\u7f6e\u4e00\u500b\u9375\uff0c\u8a72\u9375\u7684\u503c\u53ef\u4ee5\u662f\u7576\u524d\u6642\u9593\u6233\u6216\u5176\u4ed6\u6a19\u8b58\u3002<\/li>\n<li>\u5982\u679cSETNX\u8fd4\u56de1\uff0c\u5247\u8868\u793a\u8a72\u64cd\u4f5c\u662f\u7b2c\u4e00\u6b21\u57f7\u884c\uff0c\u57f7\u884c\u76f8\u61c9\u7684\u696d\u52d9\u908f\u8f2f\u3002<\/li>\n<li>\u5982\u679cSETNX\u8fd4\u56de0\uff0c\u5247\u8868\u793a\u8a72\u64cd\u4f5c\u5df2\u7d93\u57f7\u884c\u904e\uff0c\u61c9\u8a72\u5ffd\u7565\u3002<\/li>\n<\/ol>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-PATlzyOlpq\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<pre><code>\nimport redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\ndef perform_action(user_id, action_type):\n    # \u751f\u6210\u552f\u4e00\u7684\u9375\n    key = f\"action:{user_id}:{action_type}\"\n    \n    # \u5617\u8a66\u8a2d\u7f6e\u9375\n    if r.setnx(key, 1):\n        # \u5982\u679c\u8a2d\u7f6e\u6210\u529f\uff0c\u57f7\u884c\u696d\u52d9\u908f\u8f2f\n        print(f\"\u57f7\u884c\u64cd\u4f5c: {action_type} for user: {user_id}\")\n        # \u53ef\u4ee5\u9078\u64c7\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\n        r.expire(key, 60)  # 60\u79d2\u5f8c\u904e\u671f\n    else:\n        # \u5982\u679c\u9375\u5df2\u5b58\u5728\uff0c\u8868\u793a\u64cd\u4f5c\u5df2\u7d93\u57f7\u884c\u904e\n        print(f\"\u64cd\u4f5c: {action_type} for user: {user_id} \u5df2\u7d93\u57f7\u884c\u904e\uff0c\u5ffd\u7565\u6b64\u8acb\u6c42\u3002\")\n\n# \u6e2c\u8a66\nperform_action(1, \"purchase\")\nperform_action(1, \"purchase\")  # \u9019\u6b21\u5c07\u88ab\u5ffd\u7565\n<\/code><\/pre>\n<h2 id=\"%e5%84%aa%e5%8b%a2%e8%88%87%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-PATlzyOlpq\">\u512a\u52e2\u8207\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u4f7f\u7528Redis\u81ea\u589e\u9375\u9632\u6b62\u91cd\u8907\u64cd\u4f5c\u7684\u512a\u52e2\u5728\u65bc\u5176\u9ad8\u6548\u6027\u548c\u7c21\u55ae\u6027\u3002Redis\u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5f97\u64cd\u4f5c\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u4e26\u4e14\u539f\u5b50\u6027\u4fdd\u8b49\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u7136\u800c\uff0c\u5728\u4f7f\u7528\u6642\u4e5f\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u9078\u64c7\u5408\u9069\u7684\u904e\u671f\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u9375\u9577\u6642\u9593\u5b58\u5728\u800c\u5c0e\u81f4\u7684\u8cc7\u6e90\u6d6a\u8cbb\u3002<\/li>\n<li>\u78ba\u4fdd\u751f\u6210\u7684\u552f\u4e00\u9375\u5177\u6709\u8db3\u5920\u7684\u96a8\u6a5f\u6027\uff0c\u4ee5\u907f\u514d\u9375\u7684\u78b0\u649e\u3002<\/li>\n<li>\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u8003\u616e\u4f7f\u7528\u5206\u5e03\u5f0f\u9396\u4f86\u9032\u4e00\u6b65\u4fdd\u8b77\u696d\u52d9\u908f\u8f2f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-PATlzyOlpq\">\u7e3d\u7d50<\/h2>\n<p>\u501f\u52a9Redis\u81ea\u589e\u9375\u4f86\u9632\u6b62\u91cd\u8907\u64cd\u4f5c\u662f\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u3002\u901a\u904e\u7c21\u55ae\u7684\u8a2d\u7f6e\u548c\u539f\u5b50\u64cd\u4f5c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u91cd\u8907\u8acb\u6c42\u5e36\u4f86\u7684\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5b58\u5132\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528Redis\u81ea\u589e\u529f\u80fd\u6709\u6548\u9632\u6b62\u91cd\u590d\u64cd\u4f5c\uff0c\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u4e0e\u64cd\u4f5c\u5b89\u5168\uff0c\u63d0\u5347\u7cfb\u7edf\u6027\u80fd\u4e0e\u7528\u6237\u4f53\u9a8c\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-164231","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164231","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=164231"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164231\/revisions"}],"predecessor-version":[{"id":164232,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164231\/revisions\/164232"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=164231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=164231"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=164231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}