{"id":197576,"date":"2024-11-14T09:06:48","date_gmt":"2024-11-14T01:06:48","guid":{"rendered":"https:\/\/server.hk\/cnblog\/197576\/"},"modified":"2024-11-14T09:06:49","modified_gmt":"2024-11-14T01:06:49","slug":"%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e9%9a%8a%e5%88%97%e7%ae%a1%e7%90%86%ef%bc%88redis%e7%9a%84%e9%9a%8a%e5%88%97%e5%91%bd%e4%bb%a4%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/197576\/","title":{"rendered":"\u5229\u7528Redis\u5be6\u73fe\u9ad8\u6548\u968a\u5217\u7ba1\u7406\uff08redis\u7684\u968a\u5217\u547d\u4ee4\uff09"},"content":{"rendered":"

\u5229\u7528Redis\u5be6\u73fe\u9ad8\u6548\u968a\u5217\u7ba1\u7406\uff08Redis\u7684\u968a\u5217\u547d\u4ee4\uff09<\/h1>\n

\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5f0f\u4e2d\uff0c\u968a\u5217\u7ba1\u7406\u662f\u4e00\u500b\u81f3\u95dc\u91cd\u8981\u7684\u7d44\u4ef6\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u8655\u7406\u5927\u91cf\u8acb\u6c42\u6216\u4efb\u52d9\u7684\u60c5\u6cc1\u4e0b\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u547d\u4ee4\u4f86\u5be6\u73fe\u9ad8\u6548\u7684\u968a\u5217\u7ba1\u7406\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u7684\u968a\u5217\u547d\u4ee4\u4f86\u69cb\u5efa\u4e00\u500b\u9ad8\u6548\u7684\u968a\u5217\u7cfb\u7d71\u3002<\/p>\n

\u4ec0\u9ebc\u662fRedis\uff1f<\/h2>\n

Redis\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\u548c\u6709\u5e8f\u96c6\u5408\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\u8655\u7406\u7b49\u5834\u666f\u3002<\/p>\n

Redis\u7684\u968a\u5217\u547d\u4ee4<\/h2>\n

\u5728Redis\u4e2d\uff0c\u5217\u8868\uff08List\uff09\u6578\u64da\u7d50\u69cb\u662f\u5be6\u73fe\u968a\u5217\u7684\u6700\u4f73\u9078\u64c7\u3002Redis\u63d0\u4f9b\u4e86\u591a\u500b\u547d\u4ee4\u4f86\u64cd\u4f5c\u5217\u8868\uff0c\u9019\u4e9b\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u5148\u9032\u5148\u51fa\uff08FIFO\uff09\u6216\u5f8c\u9032\u5148\u51fa\uff08LIFO\uff09\u7684\u968a\u5217\u884c\u70ba\u3002<\/p>\n

1. LPUSH\u548cRPUSH<\/h3>\n

\u9019\u5169\u500b\u547d\u4ee4\u7528\u65bc\u5c07\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u5de6\u5074\u6216\u53f3\u5074\u3002\u4f7f\u7528LPUSH\u547d\u4ee4\u53ef\u4ee5\u5c07\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u982d\u90e8\uff0c\u800cRPUSH\u5247\u5c07\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u5c3e\u90e8\u3002<\/p>\n

LPUSH myqueue \"task1\"\nRPUSH myqueue \"task2\"\n<\/code><\/pre>\n
2. LPOP\u548cRPOP<\/h3>\n
\u9019\u5169\u500b\u547d\u4ee4\u7528\u65bc\u5f9e\u5217\u8868\u4e2d\u522a\u9664\u5143\u7d20\u3002LPOP\u547d\u4ee4\u5f9e\u5217\u8868\u7684\u982d\u90e8\u522a\u9664\u5143\u7d20\uff0c\u800cRPOP\u5247\u5f9e\u5c3e\u90e8\u522a\u9664\u5143\u7d20\u3002\u9019\u4f7f\u5f97\u6211\u5011\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9078\u64c7FIFO\u6216LIFO\u7684\u884c\u70ba\u3002<\/p>\n
task1 = LPOP myqueue\ntask2 = RPOP myqueue\n<\/code><\/pre>\n
3. LLEN<\/h3>\n
LLEN\u547d\u4ee4\u7528\u65bc\u7372\u53d6\u5217\u8868\u4e2d\u5143\u7d20\u7684\u6578\u91cf\uff0c\u9019\u5c0d\u65bc\u76e3\u63a7\u968a\u5217\u7684\u72c0\u614b\u975e\u5e38\u6709\u7528\u3002<\/p>\n
length = LLEN myqueue\n<\/code><\/pre>\n
4. LRANGE<\/h3>\n
LRANGE\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u7372\u53d6\u5217\u8868\u4e2d\u6307\u5b9a\u7bc4\u570d\u7684\u5143\u7d20\uff0c\u9019\u5c0d\u65bc\u67e5\u770b\u968a\u5217\u4e2d\u7684\u6240\u6709\u4efb\u52d9\u6216\u67d0\u4e9b\u7279\u5b9a\u4efb\u52d9\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n
tasks = LRANGE myqueue 0 -1\n<\/code><\/pre>\n
\u5be6\u73fe\u9ad8\u6548\u968a\u5217\u7ba1\u7406\u7684\u793a\u4f8b<\/h2>\n
\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u4f86\u5be6\u73fe\u4e00\u500b\u57fa\u672c\u7684\u4efb\u52d9\u968a\u5217\u7ba1\u7406\u7cfb\u7d71\uff1a<\/p>\n
import redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u6dfb\u52a0\u4efb\u52d9\u5230\u968a\u5217\nr.rpush('task_queue', 'task1')\nr.rpush('task_queue', 'task2')\n\n# \u7372\u53d6\u968a\u5217\u9577\u5ea6\nlength = r.llen('task_queue')\nprint(f'\u968a\u5217\u9577\u5ea6: {length}')\n\n# \u8655\u7406\u4efb\u52d9\nwhile length > 0:\n    task = r.lpop('task_queue')\n    print(f'\u8655\u7406\u4efb\u52d9: {task.decode(\"utf-8\")}')\n    length -= 1\n<\/code><\/pre>\n
\u7d50\u8ad6<\/h2>\n
\u5229\u7528Redis\u7684\u968a\u5217\u547d\u4ee4\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u9ad8\u6548\u7684\u968a\u5217\u7ba1\u7406\u7cfb\u7d71\u3002\u7121\u8ad6\u662f\u8655\u7406\u4efb\u52d9\u3001\u6d88\u606f\u9084\u662f\u5176\u4ed6\u9700\u8981\u6392\u968a\u7684\u64cd\u4f5c\uff0cRedis\u90fd\u80fd\u63d0\u4f9b\u5feb\u901f\u4e14\u53ef\u9760\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u900f\u904e\u7c21\u55ae\u7684\u547d\u4ee4\uff0c\u6211\u5011\u53ef\u4ee5\u69cb\u5efa\u51fa\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u968a\u5217\u7cfb\u7d71\uff0c\u6eff\u8db3\u5404\u7a2e\u61c9\u7528\u9700\u6c42\u3002<\/p>\n
\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u4f7f\u7528Redis\u9032\u884c\u968a\u5217\u7ba1\u7406\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u6216\u662f\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u9999\u6e2fVPS<\/a>\u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u7684\u968a\u5217\u547d\u4ee4\u5be6\u73fe\u9ad8\u6548\u7684\u968a\u5217\u7ba1\u7406\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u6578\u64da\u8655\u7406\u6548\u7387\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-197576","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197576","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=197576"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197576\/revisions"}],"predecessor-version":[{"id":197577,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197576\/revisions\/197577"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=197576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=197576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=197576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}