{"id":128363,"date":"2024-10-26T13:36:17","date_gmt":"2024-10-26T05:36:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128363\/"},"modified":"2024-10-26T13:36:17","modified_gmt":"2024-10-26T05:36:17","slug":"redis-%e5%af%a6%e7%8f%be%e7%9a%84%e6%ac%8a%e9%87%8d%e9%9a%8a%e5%88%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128363\/","title":{"rendered":"Redis \u5be6\u73fe\u7684\u6b0a\u91cd\u968a\u5217"},"content":{"rendered":"

Redis \u5be6\u73fe\u7684\u6b0a\u91cd\u968a\u5217<\/h1>\n

\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5f0f\u4e2d\uff0c\u4efb\u52d9\u6392\u7a0b\u548c\u8cc7\u6e90\u7ba1\u7406\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u96a8\u8457\u7cfb\u7d71\u7684\u8907\u96dc\u6027\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u4efb\u52d9\u7684\u57f7\u884c\u9806\u5e8f\u548c\u512a\u5148\u7d1a\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5be6\u73fe\u6b0a\u91cd\u968a\u5217\u7684\u529f\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u5be6\u73fe\u6b0a\u91cd\u968a\u5217\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u6b0a\u91cd\u968a\u5217\uff1f<\/h2>\n

\u6b0a\u91cd\u968a\u5217\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u968a\u5217\u7d50\u69cb\uff0c\u5176\u4e2d\u6bcf\u500b\u4efb\u52d9\u90fd\u6709\u4e00\u500b\u8207\u4e4b\u76f8\u95dc\u7684\u6b0a\u91cd\u3002\u9019\u610f\u5473\u8457\u67d0\u4e9b\u4efb\u52d9\u53ef\u80fd\u6703\u6bd4\u5176\u4ed6\u4efb\u52d9\u66f4\u512a\u5148\u57f7\u884c\u3002\u6b0a\u91cd\u968a\u5217\u7684\u61c9\u7528\u5834\u666f\u5305\u62ec\u4f46\u4e0d\u9650\u65bc\uff1a\u4efb\u52d9\u8abf\u5ea6\u3001\u8cc7\u6e90\u5206\u914d\u548c\u8ca0\u8f09\u5747\u8861\u7b49\u3002<\/p>\n

Redis \u7684\u6578\u64da\u7d50\u69cb<\/h2>\n

Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u3002\u5728\u5be6\u73fe\u6b0a\u91cd\u968a\u5217\u6642\uff0c\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u662f\u6700\u5408\u9069\u7684\u9078\u64c7\u3002\u9019\u662f\u56e0\u70ba\u6709\u5e8f\u96c6\u5408\u5141\u8a31\u6211\u5011\u6839\u64da\u5206\u6578\uff08score\uff09\u4f86\u6392\u5e8f\u5143\u7d20\uff0c\u9019\u6b63\u597d\u53ef\u4ee5\u7528\u4f86\u8868\u793a\u4efb\u52d9\u7684\u6b0a\u91cd\u3002<\/p>\n

\u5be6\u73fe\u6b0a\u91cd\u968a\u5217\u7684\u6b65\u9a5f<\/h2>\n

1. \u6dfb\u52a0\u4efb\u52d9\u5230\u6b0a\u91cd\u968a\u5217<\/h3>\n

\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5c07\u4efb\u52d9\u6dfb\u52a0\u5230 Redis \u7684\u6709\u5e8f\u96c6\u5408\u4e2d\u3002\u6bcf\u500b\u4efb\u52d9\u5c07\u4ee5\u552f\u4e00\u7684\u6a19\u8b58\u7b26\u4f5c\u70ba\u6210\u54e1\uff0c\u4e26\u4e14\u5176\u6b0a\u91cd\u4f5c\u70ba\u5206\u6578\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 Redis \u7684\u547d\u4ee4\u4f86\u6dfb\u52a0\u4efb\u52d9\u7684\u793a\u4f8b\uff1a<\/p>\n

ZADD task_queue 10 \"task1\"\nZADD task_queue 5 \"task2\"\nZADD task_queue 20 \"task3\"<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c”task1″ \u7684\u6b0a\u91cd\u70ba 10\uff0c”task2″ \u7684\u6b0a\u91cd\u70ba 5\uff0c\u800c “task3” \u7684\u6b0a\u91cd\u70ba 20\u3002<\/p>\n
2. \u7372\u53d6\u6700\u9ad8\u512a\u5148\u7d1a\u7684\u4efb\u52d9<\/h3>\n
\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5f9e\u6b0a\u91cd\u968a\u5217\u4e2d\u7372\u53d6\u6700\u9ad8\u512a\u5148\u7d1a\u7684\u4efb\u52d9\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4f7f\u7528 ZRANGE \u547d\u4ee4\u4f86\u5be6\u73fe\uff0c\u4e26\u6307\u5b9a\u8981\u7372\u53d6\u7684\u5143\u7d20\u6578\u91cf\uff1a<\/p>\n
ZRANGE task_queue -1 -1 WITHSCORES<\/code><\/pre>\n
\u9019\u689d\u547d\u4ee4\u5c07\u8fd4\u56de\u6b0a\u91cd\u6700\u9ad8\u7684\u4efb\u52d9\u53ca\u5176\u6b0a\u91cd\u3002<\/p>\n
3. \u522a\u9664\u5df2\u8655\u7406\u7684\u4efb\u52d9<\/h3>\n
\u4e00\u65e6\u4efb\u52d9\u88ab\u8655\u7406\uff0c\u6211\u5011\u9700\u8981\u5c07\u5176\u5f9e\u968a\u5217\u4e2d\u522a\u9664\u3002\u9019\u53ef\u4ee5\u901a\u904e ZREM \u547d\u4ee4\u4f86\u5be6\u73fe\uff1a<\/p>\n
ZREM task_queue \"task3\"<\/code><\/pre>\n
\u793a\u4f8b\u4ee3\u78bc<\/h2>\n
\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Python \u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u5be6\u73fe\u6b0a\u91cd\u968a\u5217\uff1a<\/p>\n
import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u6dfb\u52a0\u4efb\u52d9\nr.zadd('task_queue', {'task1': 10, 'task2': 5, 'task3': 20})\n\n# \u7372\u53d6\u6700\u9ad8\u512a\u5148\u7d1a\u7684\u4efb\u52d9\nhighest_priority_task = r.zrange('task_queue', -1, -1, withscores=True)\nprint(\"\u6700\u9ad8\u512a\u5148\u7d1a\u7684\u4efb\u52d9:\", highest_priority_task)\n\n# \u522a\u9664\u5df2\u8655\u7406\u7684\u4efb\u52d9\nr.zrem('task_queue', 'task3')<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
Redis \u63d0\u4f9b\u4e86\u4e00\u500b\u9ad8\u6548\u7684\u65b9\u5f0f\u4f86\u5be6\u73fe\u6b0a\u91cd\u968a\u5217\uff0c\u901a\u904e\u6709\u5e8f\u96c6\u5408\u7684\u7279\u6027\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u4efb\u52d9\u7684\u512a\u5148\u7d1a\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u7c21\u55ae\u6613\u7528\uff0c\u9084\u80fd\u5920\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u4fdd\u6301\u826f\u597d\u7684\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9032\u884c\u4efb\u52d9\u8abf\u5ea6\u548c\u8cc7\u6e90\u7ba1\u7406\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u4f7f\u7528 Redis \u5be6\u73fe\u6b0a\u91cd\u968a\u5217\u662f\u4e00\u500b\u7406\u60f3\u7684\u9078\u64c7\u3002<\/p>\n
\u5982\u679c\u60a8\u5c0d\u65bc \u9999\u6e2f VPS<\/a> \u670d\u52d9\u6709\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u89e3\u6c7a\u65b9\u6848\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5982\u4f55\u4f7f\u7528 Redis \u5be6\u73fe\u6b0a\u91cd\u968a\u5217\uff0c\u63d0\u5347\u4efb\u52d9\u8655\u7406\u6548\u7387\uff0c\u512a\u5316\u8cc7\u6e90\u5206\u914d\uff0c\u5be6\u73fe\u9ad8\u6548\u80fd\u7684\u6578\u64da\u7ba1\u7406\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-128363","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128363","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=128363"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128363\/revisions"}],"predecessor-version":[{"id":128364,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128363\/revisions\/128364"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}