{"id":161907,"date":"2024-11-04T10:20:30","date_gmt":"2024-11-04T02:20:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161907\/"},"modified":"2024-11-04T10:20:31","modified_gmt":"2024-11-04T02:20:31","slug":"%e8%a8%88%e6%95%b8-redis-%e5%af%a6%e7%8f%be%e8%87%aa%e5%a2%9e%e9%87%8d%e8%a4%87%e8%a8%88%e6%95%b8%e6%8a%80%e8%a1%93%ef%bc%88redis-%e8%87%aa%e5%a2%9e%e9%87%8d%e8%a4%87%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161907\/","title":{"rendered":"\u8a08\u6578 Redis \u5be6\u73fe\u81ea\u589e\u91cd\u8907\u8a08\u6578\u6280\u8853\uff08redis \u81ea\u589e\u91cd\u8907\uff09"},"content":{"rendered":"

\u8a08\u6578 Redis \u5be6\u73fe\u81ea\u589e\u91cd\u8907\u8a08\u6578\u6280\u8853\uff08redis \u81ea\u589e\u91cd\u8907\uff09<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u6280\u8853\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u5be6\u73fe\u81ea\u589e\u91cd\u8907\u8a08\u6578\u6280\u8853\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u81ea\u589e\u91cd\u8907\u8a08\u6578\u6280\u8853\uff1f<\/h2>\n

\u81ea\u589e\u91cd\u8907\u8a08\u6578\u6280\u8853\u4e3b\u8981\u7528\u65bc\u8a08\u7b97\u67d0\u500b\u4e8b\u4ef6\u6216\u884c\u70ba\u7684\u767c\u751f\u6b21\u6578\u3002\u9019\u5728\u8a31\u591a\u61c9\u7528\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u7db2\u7ad9\u8a2a\u554f\u91cf\u3001\u7528\u6236\u9ede\u64ca\u6b21\u6578\u7b49\u3002\u4f7f\u7528 Redis \u7684\u81ea\u589e\u529f\u80fd\uff0c\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u9019\u4e00\u9700\u6c42\u3002<\/p>\n

Redis \u7684\u81ea\u589e\u529f\u80fd<\/h2>\n

Redis \u63d0\u4f9b\u4e86 INCR<\/code> \u548c INCRBY<\/code> \u547d\u4ee4\u4f86\u5be6\u73fe\u81ea\u589e\u64cd\u4f5c\u3002\u9019\u4e9b\u547d\u4ee4\u53ef\u4ee5\u5c0d\u6307\u5b9a\u7684\u9375\u9032\u884c\u81ea\u589e\uff0c\u4e26\u8fd4\u56de\u81ea\u589e\u5f8c\u7684\u503c\u3002\u9019\u4f7f\u5f97\u8a08\u6578\u64cd\u4f5c\u8b8a\u5f97\u975e\u5e38\u7c21\u55ae\u4e14\u9ad8\u6548\u3002<\/p>\n

\u57fa\u672c\u7528\u6cd5<\/h3>\n
INCR key<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u6703\u5c07\u6307\u5b9a\u7684 key<\/code> \u7684\u503c\u52a0 1\u3002\u5982\u679c key<\/code> \u4e0d\u5b58\u5728\uff0cRedis \u6703\u81ea\u52d5\u5c07\u5176\u521d\u59cb\u5316\u70ba 0\u3002<\/p>\n
INCRBY key increment<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u5247\u53ef\u4ee5\u5c07 key<\/code> \u7684\u503c\u589e\u52a0\u6307\u5b9a\u7684 increment<\/code> \u503c\u3002<\/p>\n
\u5be6\u73fe\u81ea\u589e\u91cd\u8907\u8a08\u6578\u7684\u793a\u4f8b<\/h2>\n
\u5047\u8a2d\u6211\u5011\u9700\u8981\u8a08\u7b97\u67d0\u500b\u7528\u6236\u5728\u7db2\u7ad9\u4e0a\u7684\u9ede\u64ca\u6b21\u6578\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 Redis \u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n
import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\n# \u7528\u6236 ID\nuser_id = 'user:123'\n\n# \u81ea\u589e\u9ede\u64ca\u6b21\u6578\nclick_count = r.incr(f'{user_id}:clicks')\n\nprint(f'\u7528\u6236 {user_id} \u7684\u9ede\u64ca\u6b21\u6578\u70ba: {click_count}')\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9023\u63a5\u5230 Redis \u4f3a\u670d\u5668\uff0c\u7136\u5f8c\u4f7f\u7528 INCR<\/code> \u547d\u4ee4\u5c0d\u7528\u6236\u7684\u9ede\u64ca\u6b21\u6578\u9032\u884c\u81ea\u589e\u3002\u6bcf\u6b21\u7528\u6236\u9ede\u64ca\u6642\uff0c\u6211\u5011\u90fd\u6703\u8abf\u7528\u9019\u6bb5\u4ee3\u78bc\uff0c\u5f9e\u800c\u5be6\u73fe\u5c0d\u9ede\u64ca\u6b21\u6578\u7684\u8a08\u7b97\u3002<\/p>\n
\u8655\u7406\u91cd\u8907\u8a08\u6578\u7684\u6311\u6230<\/h2>\n
\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6211\u5011\u53ef\u80fd\u9700\u8981\u5c0d\u91cd\u8907\u4e8b\u4ef6\u9032\u884c\u8a08\u6578\u3002\u4f8b\u5982\uff0c\u67d0\u500b\u7528\u6236\u53ef\u80fd\u5728\u77ed\u6642\u9593\u5167\u591a\u6b21\u9ede\u64ca\u540c\u4e00\u500b\u6309\u9215\u3002\u9019\u6642\uff0c\u6211\u5011\u9700\u8981\u8003\u616e\u5982\u4f55\u6709\u6548\u5730\u8655\u7406\u9019\u4e9b\u91cd\u8907\u8a08\u6578\u3002<\/p>\n
\u4e00\u7a2e\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\u662f\u4f7f\u7528\u6642\u9593\u7a97\u53e3\u4f86\u9650\u5236\u8a08\u6578\u3002\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u8a2d\u7f6e\u4e00\u500b\u6642\u9593\u7a97\u53e3\uff0c\u5728\u9019\u6bb5\u6642\u9593\u5167\u7684\u91cd\u8907\u9ede\u64ca\u53ea\u8a08\u7b97\u4e00\u6b21\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4f7f\u7528 Redis \u7684 SET<\/code> \u548c EXPIRE<\/code> \u547d\u4ee4\u4f86\u5be6\u73fe\uff1a<\/p>\n
import time\n\n# \u8a2d\u7f6e\u6642\u9593\u7a97\u53e3\nwindow_time = 10  # 10\u79d2\n\n# \u6aa2\u67e5\u7528\u6236\u662f\u5426\u5728\u6642\u9593\u7a97\u53e3\u5167\u9ede\u64ca\nif not r.exists(f'{user_id}:last_click'):\n    r.set(f'{user_id}:last_click', 1, ex=window_time)\n    click_count = r.incr(f'{user_id}:clicks')\nelse:\n    print('\u9ede\u64ca\u88ab\u5ffd\u7565\uff0c\u56e0\u70ba\u5728\u6642\u9593\u7a97\u53e3\u5167\u91cd\u8907\u9ede\u64ca')\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 SET<\/code> \u547d\u4ee4\u4f86\u8a18\u9304\u7528\u6236\u7684\u6700\u5f8c\u4e00\u6b21\u9ede\u64ca\u6642\u9593\uff0c\u4e26\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u9632\u6b62\u5728\u77ed\u6642\u9593\u5167\u7684\u91cd\u8907\u8a08\u6578\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
Redis \u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u81ea\u589e\u529f\u80fd\uff0c\u4f7f\u5f97\u8a08\u6578\u64cd\u4f5c\u8b8a\u5f97\u7c21\u55ae\u9ad8\u6548\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\uff0c\u6211\u5011\u53ef\u4ee5\u5be6\u73fe\u81ea\u589e\u91cd\u8907\u8a08\u6578\u6280\u8853\uff0c\u4e26\u6709\u6548\u5730\u8655\u7406\u91cd\u8907\u4e8b\u4ef6\u7684\u8a08\u6578\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5728\u7db2\u7ad9\u6d41\u91cf\u5206\u6790\u9084\u662f\u7528\u6236\u884c\u70ba\u8ffd\u8e64\u4e2d\uff0c\u9019\u7a2e\u6280\u8853\u90fd\u80fd\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n
\u5982\u679c\u60a8\u5c0d\u65bc \u9999\u6e2fVPS<\/a> \u670d\u52d9\u611f\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f\u9700\u8981\u9ad8\u6027\u80fd\u7684 \u4e91\u670d\u52a1\u5668<\/a> \u9084\u662f\u7a69\u5b9a\u7684 \u9999\u6e2f\u670d\u52a1\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5982\u4f55\u4f7f\u7528 Redis \u5be6\u73fe\u81ea\u589e\u91cd\u8907\u8a08\u6578\u6280\u8853\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u7c21\u5316\u8a08\u6578\u64cd\u4f5c\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-161907","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161907","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=161907"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161907\/revisions"}],"predecessor-version":[{"id":161908,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161907\/revisions\/161908"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161907"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161907"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161907"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}