{"id":163487,"date":"2024-11-04T23:55:26","date_gmt":"2024-11-04T15:55:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163487\/"},"modified":"2024-11-04T23:55:27","modified_gmt":"2024-11-04T15:55:27","slug":"%e8%a7%a3%e6%b1%baredis%e7%b7%a9%e5%ad%98%e9%9b%aa%e5%b4%a9%e6%93%8a%e7%a9%bf%e4%b9%8b%e9%81%93%ef%bc%88redis%e7%b7%a9%e5%ad%98%e9%9b%aa%e5%b4%a9%e6%93%8a%e7%a9%bf%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163487\/","title":{"rendered":"\u89e3\u6c7aRedis\u7de9\u5b58\u96ea\u5d29\u64ca\u7a7f\u4e4b\u9053\uff08redis\u7de9\u5b58\u96ea\u5d29\u64ca\u7a7f\uff09"},"content":{"rendered":"

\u89e3\u6c7aRedis\u7de9\u5b58\u96ea\u5d29\u64ca\u7a7f\u4e4b\u9053\uff08redis\u7de9\u5b58\u96ea\u5d29\u64ca\u7a7f\uff09<\/h1>\n

\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u3002\u7136\u800c\uff0c\u96a8\u8457\u4f7f\u7528\u91cf\u7684\u589e\u52a0\uff0cRedis\u7de9\u5b58\u96ea\u5d29\u548c\u64ca\u7a7f\u7684\u554f\u984c\u4e5f\u65e5\u76ca\u51f8\u986f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u4e9b\u554f\u984c\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

\u4ec0\u9ebc\u662fRedis\u7de9\u5b58\u96ea\u5d29\u548c\u64ca\u7a7f\uff1f<\/h2>\n

\u5728\u6df1\u5165\u89e3\u6c7a\u65b9\u6848\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u660e\u78ba\u4ec0\u9ebc\u662f\u7de9\u5b58\u96ea\u5d29\u548c\u64ca\u7a7f\u3002<\/p>\n

\u7de9\u5b58\u96ea\u5d29<\/h3>\n

\u7de9\u5b58\u96ea\u5d29\u662f\u6307\u5728\u67d0\u4e00\u6642\u9593\u6bb5\u5167\uff0c\u5927\u91cf\u7684\u7de9\u5b58\u540c\u6642\u5931\u6548\uff0c\u5c0e\u81f4\u5927\u91cf\u8acb\u6c42\u76f4\u63a5\u6253\u5230\u5f8c\u7aef\u6578\u64da\u5eab\uff0c\u9020\u6210\u6578\u64da\u5eab\u7684\u77ac\u6642\u8ca0\u8f09\u904e\u9ad8\uff0c\u751a\u81f3\u5d29\u6f70\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u7de9\u5b58\u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u4e0d\u7576\uff0c\u6216\u8005\u5728\u9ad8\u6d41\u91cf\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n

\u7de9\u5b58\u64ca\u7a7f<\/h3>\n

\u7de9\u5b58\u64ca\u7a7f\u5247\u662f\u6307\u67d0\u4e9b\u7279\u5b9a\u7684\u8acb\u6c42\uff08\u901a\u5e38\u662f\u71b1\u9ede\u6578\u64da\uff09\u5728\u7de9\u5b58\u5931\u6548\u6642\uff0c\u76f4\u63a5\u6253\u5230\u6578\u64da\u5eab\uff0c\u5c0e\u81f4\u6578\u64da\u5eab\u7684\u8ca0\u8f09\u77ac\u9593\u589e\u52a0\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u67d0\u4e9b\u7279\u5b9a\u7684key\u5931\u6548\u6642\uff0c\u4e26\u4e14\u9019\u4e9bkey\u7684\u8acb\u6c42\u91cf\u975e\u5e38\u5927\u3002<\/p>\n

\u89e3\u6c7a\u65b9\u6848<\/h2>\n

\u70ba\u4e86\u6709\u6548\u89e3\u6c7aRedis\u7de9\u5b58\u96ea\u5d29\u548c\u64ca\u7a7f\u7684\u554f\u984c\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n

1. \u96a8\u6a5f\u904e\u671f\u6642\u9593<\/h3>\n

\u70ba\u4e86\u907f\u514d\u7de9\u5b58\u96ea\u5d29\uff0c\u53ef\u4ee5\u70ba\u4e0d\u540c\u7684\u7de9\u5b58\u6578\u64da\u8a2d\u7f6e\u96a8\u6a5f\u7684\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5927\u91cf\u7684\u7de9\u5b58\u540c\u6642\u5931\u6548\uff0c\u5f9e\u800c\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u58d3\u529b\u3002<\/p>\n

\n# \u8a2d\u7f6e\u96a8\u6a5f\u904e\u671f\u6642\u9593\u7684\u793a\u4f8b\nexpire_time = random.randint(60, 300)  # \u96a8\u6a5f\u8a2d\u7f6e60\u5230300\u79d2\u7684\u904e\u671f\u6642\u9593\nredis.set(\"key\", \"value\", ex=expire_time)\n<\/code><\/pre>\n
2. \u71b1\u9ede\u6578\u64da\u7684\u9810\u71b1<\/h3>\n
\u5c0d\u65bc\u4e00\u4e9b\u71b1\u9ede\u6578\u64da\uff0c\u53ef\u4ee5\u5728\u7cfb\u7d71\u555f\u52d5\u6642\u63d0\u524d\u5c07\u9019\u4e9b\u6578\u64da\u52a0\u8f09\u5230\u7de9\u5b58\u4e2d\uff0c\u907f\u514d\u5728\u9ad8\u6d41\u91cf\u6642\u6bb5\u51fa\u73fe\u7de9\u5b58\u5931\u6548\u7684\u60c5\u6cc1\u3002<\/p>\n
3. \u4f7f\u7528\u4e92\u65a5\u9396<\/h3>\n
\u5728\u8655\u7406\u71b1\u9ede\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e92\u65a5\u9396\u4f86\u4fdd\u8b49\u540c\u4e00\u6642\u9593\u53ea\u6709\u4e00\u500b\u8acb\u6c42\u80fd\u5920\u53bb\u67e5\u8a62\u6578\u64da\u5eab\uff0c\u5176\u4ed6\u8acb\u6c42\u5247\u7b49\u5f85\u7de9\u5b58\u7684\u66f4\u65b0\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u8acb\u6c42\u6578\u91cf\u3002<\/p>\n
\n# \u4f7f\u7528Redis\u7684SETNX\u547d\u4ee4\u5be6\u73fe\u4e92\u65a5\u9396\nif redis.setnx(\"lock_key\", \"lock_value\"):\n    try:\n        # \u67e5\u8a62\u6578\u64da\u5eab\u4e26\u66f4\u65b0\u7de9\u5b58\n    finally:\n        redis.delete(\"lock_key\")  # \u91cb\u653e\u9396\n<\/code><\/pre>\n
4. \u9650\u6d41\u7b56\u7565<\/h3>\n
\u5c0d\u65bc\u9ad8\u6d41\u91cf\u7684\u8acb\u6c42\uff0c\u53ef\u4ee5\u8003\u616e\u5be6\u65bd\u9650\u6d41\u7b56\u7565\uff0c\u901a\u904e\u9650\u5236\u8acb\u6c42\u7684\u983b\u7387\u4f86\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u58d3\u529b\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
Redis\u7de9\u5b58\u96ea\u5d29\u548c\u64ca\u7a7f\u662f\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\u7684\u91cd\u8981\u56e0\u7d20\uff0c\u901a\u904e\u96a8\u6a5f\u904e\u671f\u6642\u9593\u3001\u71b1\u9ede\u6578\u64da\u9810\u71b1\u3001\u4e92\u65a5\u9396\u548c\u9650\u6d41\u7b56\u7565\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u9019\u4e9b\u554f\u984c\u7684\u5f71\u97ff\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u6301\u7e8c\u95dc\u6ce8\u548c\u512a\u5316\u7de9\u5b58\u7b56\u7565\u5c07\u662f\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u7684\u95dc\u9375\u3002<\/p>\n
\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bcVPS<\/a><\/code>\u548c\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u89e3\u6c7aRedis\u7de9\u5b58\u96ea\u5d29\u8207\u64ca\u7a7f\u554f\u984c\u7684\u6709\u6548\u7b56\u7565\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u6027\u80fd\uff0c\u78ba\u4fdd\u6578\u64da\u9ad8\u53ef\u7528\u6027\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-163487","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163487","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=163487"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163487\/revisions"}],"predecessor-version":[{"id":163488,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163487\/revisions\/163488"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}