{"id":128213,"date":"2024-10-26T12:29:17","date_gmt":"2024-10-26T04:29:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128213\/"},"modified":"2024-10-26T12:29:18","modified_gmt":"2024-10-26T04:29:18","slug":"redis-%e5%af%a6%e6%99%82%e6%9f%a5%e7%9c%8b%e6%9c%83%e8%a9%b1%e6%95%b8%e9%87%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128213\/","title":{"rendered":"Redis \u5be6\u6642\u67e5\u770b\u6703\u8a71\u6578\u91cf"},"content":{"rendered":"

Redis \u5be6\u6642\u67e5\u770b\u6703\u8a71\u6578\u91cf<\/h1>\n

\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u5be6\u6642\u6578\u64da\u8655\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u5be6\u6642\u67e5\u770b\u6703\u8a71\u6578\u91cf\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 Redis \u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n

\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n

Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u9700\u8981\u5be6\u6642\u67e5\u770b\u6703\u8a71\u6578\u91cf\uff1f<\/h2>\n

\u5728\u8a31\u591a\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u4e86\u89e3\u7576\u524d\u6d3b\u8e8d\u7528\u6236\u7684\u6578\u91cf\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u9019\u4e0d\u50c5\u6709\u52a9\u65bc\u76e3\u63a7\u7cfb\u7d71\u7684\u8ca0\u8f09\uff0c\u9084\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u9032\u884c\u6027\u80fd\u512a\u5316\u548c\u8cc7\u6e90\u5206\u914d\u3002\u4f7f\u7528 Redis \u4f86\u5b58\u5132\u548c\u7ba1\u7406\u6703\u8a71\u6578\u64da\uff0c\u53ef\u4ee5\u5be6\u73fe\u5feb\u901f\u7684\u67e5\u8a62\u548c\u66f4\u65b0\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528 Redis \u5be6\u6642\u67e5\u770b\u6703\u8a71\u6578\u91cf<\/h2>\n

\u4ee5\u4e0b\u662f\u4f7f\u7528 Redis \u5be6\u73fe\u5be6\u6642\u67e5\u770b\u6703\u8a71\u6578\u91cf\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n

1. \u5b89\u88dd Redis<\/h3>\n

\u9996\u5148\uff0c\u60a8\u9700\u8981\u5728\u60a8\u7684\u4f3a\u670d\u5668\u4e0a\u5b89\u88dd Redis\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u5b89\u88dd\uff1a<\/p>\n

sudo apt-get update\nsudo apt-get install redis-server\n<\/code><\/pre>\n
2. \u914d\u7f6e Redis<\/h3>\n
\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u901a\u904e\u7de8\u8f2f\u914d\u7f6e\u6587\u4ef6\u4f86\u8abf\u6574 Redis \u7684\u8a2d\u7f6e\u3002\u914d\u7f6e\u6587\u4ef6\u901a\u5e38\u4f4d\u65bc \/etc\/redis\/redis.conf\u3002\u78ba\u4fdd Redis \u5728\u555f\u52d5\u6642\u81ea\u52d5\u904b\u884c\uff1a<\/p>\n
sudo systemctl enable redis-server\nsudo systemctl start redis-server\n<\/code><\/pre>\n
3. \u4f7f\u7528 Redis \u5b58\u5132\u6703\u8a71\u6578\u64da<\/h3>\n
\u5728\u60a8\u7684\u61c9\u7528\u4e2d\uff0c\u7576\u7528\u6236\u767b\u9304\u6216\u767b\u51fa\u6642\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u547d\u4ee4\u4f86\u66f4\u65b0\u6703\u8a71\u6578\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u64cd\u4f5c\u793a\u4f8b\uff1a<\/p>\n
import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u7528\u6236\u767b\u9304\u6642\u589e\u52a0\u6703\u8a71\u6578\u91cf\ndef user_login(user_id):\n    r.incr('active_sessions')\n    r.sadd('session_users', user_id)\n\n# \u7528\u6236\u767b\u51fa\u6642\u6e1b\u5c11\u6703\u8a71\u6578\u91cf\ndef user_logout(user_id):\n    r.decr('active_sessions')\n    r.srem('session_users', user_id)\n\n# \u7372\u53d6\u7576\u524d\u6d3b\u8e8d\u6703\u8a71\u6578\u91cf\ndef get_active_sessions():\n    return r.get('active_sessions')\n<\/code><\/pre>\n
4. \u5be6\u6642\u67e5\u770b\u6703\u8a71\u6578\u91cf<\/h3>\n
\u60a8\u53ef\u4ee5\u5b9a\u671f\u67e5\u8a62 Redis \u4e2d\u7684\u6703\u8a71\u6578\u91cf\uff0c\u4e26\u5c07\u5176\u986f\u793a\u5728\u60a8\u7684\u61c9\u7528\u754c\u9762\u4e0a\u3002\u9019\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u5b9a\u6642\u4efb\u52d9\u4f86\u5be6\u73fe\uff1a<\/p>\n
import time\n\nwhile True:\n    active_sessions = get_active_sessions()\n    print(f'\u7576\u524d\u6d3b\u8e8d\u6703\u8a71\u6578\u91cf: {active_sessions}')\n    time.sleep(10)  # \u6bcf10\u79d2\u67e5\u8a62\u4e00\u6b21\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u4f7f\u7528 Redis \u4f86\u5be6\u6642\u67e5\u770b\u6703\u8a71\u6578\u91cf\u662f\u4e00\u500b\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u7c21\u55ae\u7684\u547d\u4ee4\u548c\u4ee3\u78bc\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u548c\u76e3\u63a7\u6d3b\u8e8d\u7528\u6236\u7684\u6578\u91cf\u3002\u9019\u4e0d\u50c5\u80fd\u5e6b\u52a9\u60a8\u512a\u5316\u7cfb\u7d71\u6027\u80fd\uff0c\u9084\u80fd\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684 \u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5be6\u6642\u67e5\u770bRedis\u4e2d\u7684\u6703\u8a71\u6578\u91cf\uff0c\u8f15\u9b06\u76e3\u63a7\u7528\u6236\u6d3b\u52d5\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u7528\u6236\u9ad4\u9a57\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-128213","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128213","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=128213"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128213\/revisions"}],"predecessor-version":[{"id":128214,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128213\/revisions\/128214"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}