{"id":97426,"date":"2024-10-20T17:48:18","date_gmt":"2024-10-20T09:48:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97426\/"},"modified":"2024-10-20T17:48:18","modified_gmt":"2024-10-20T09:48:18","slug":"redis-%e5%88%a9%e7%94%a8lrange%e5%af%a6%e7%8f%be%e5%88%86%e9%a0%81%e5%8a%9f%e8%83%bd%ef%bc%88redis%e7%9a%84lrange%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97426\/","title":{"rendered":"Redis \u5229\u7528Lrange\u5be6\u73fe\u5206\u9801\u529f\u80fd\uff08redis\u7684lrange\uff09"},"content":{"rendered":"

Redis \u5229\u7528 Lrange \u5be6\u73fe\u5206\u9801\u529f\u80fd<\/h1>\n

\u5728\u73fe\u4ee3\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u5206\u9801\u529f\u80fd\u662f\u4e00\u500b\u4e0d\u53ef\u6216\u7f3a\u7684\u90e8\u5206\uff0c\u5c24\u5176\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u548c\u64cd\u4f5c\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5be6\u73fe\u5206\u9801\u529f\u80fd\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u7684 Lrange \u547d\u4ee4\u4f86\u5be6\u73fe\u5206\u9801\u529f\u80fd\u3002<\/p>\n

Redis \u7c21\u4ecb<\/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\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\u8655\u7406\u7b49\u5834\u666f\u3002<\/p>\n

Lrange \u547d\u4ee4\u6982\u8ff0<\/h2>\n

Lrange \u662f Redis \u4e2d\u7528\u65bc\u64cd\u4f5c\u5217\u8868\u7684\u547d\u4ee4\uff0c\u80fd\u5920\u8fd4\u56de\u5217\u8868\u4e2d\u6307\u5b9a\u7bc4\u570d\u7684\u5143\u7d20\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n

LRANGE key start stop<\/code><\/pre>\n
\u5176\u4e2d\uff0ckey \u662f\u5217\u8868\u7684\u540d\u7a31\uff0cstart \u548c stop \u662f\u7bc4\u570d\u7684\u8d77\u59cb\u548c\u7d50\u675f\u7d22\u5f15\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u7d22\u5f15\u662f\u5f9e 0 \u958b\u59cb\u7684\uff0c\u4e26\u4e14\u53ef\u4ee5\u4f7f\u7528\u8ca0\u6578\u4f86\u8868\u793a\u5f9e\u5217\u8868\u5c3e\u90e8\u958b\u59cb\u7684\u7d22\u5f15\u3002<\/p>\n
\u5be6\u73fe\u5206\u9801\u529f\u80fd\u7684\u6b65\u9a5f<\/h2>\n
\u8981\u5229\u7528 Lrange \u5be6\u73fe\u5206\u9801\u529f\u80fd\uff0c\u6211\u5011\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n
1. \u78ba\u5b9a\u6bcf\u9801\u986f\u793a\u7684\u6578\u64da\u91cf<\/h3>\n
\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u6c7a\u5b9a\u6bcf\u9801\u986f\u793a\u591a\u5c11\u689d\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6bcf\u9801\u986f\u793a 10 \u689d\u6578\u64da\u3002<\/p>\n
2. \u8a08\u7b97\u7d22\u5f15\u7bc4\u570d<\/h3>\n
\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u6839\u64da\u7576\u524d\u9801\u78bc\u8a08\u7b97\u51fa\u8981\u5f9e\u5217\u8868\u4e2d\u63d0\u53d6\u7684\u6578\u64da\u7bc4\u570d\u3002\u5047\u8a2d\u7576\u524d\u9801\u78bc\u70ba page<\/code>\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u516c\u5f0f\u8a08\u7b97\u51fa start<\/code> \u548c stop<\/code>\uff1a<\/p>\n
start = (page - 1) * pageSize\nstop = start + pageSize - 1<\/code><\/pre>\n
\u5176\u4e2d\uff0cpageSize<\/code> \u662f\u6bcf\u9801\u986f\u793a\u7684\u6578\u64da\u91cf\u3002<\/p>\n
3. \u4f7f\u7528 Lrange \u7372\u53d6\u6578\u64da<\/h3>\n
\u8a08\u7b97\u51fa\u7d22\u5f15\u7bc4\u570d\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 Lrange \u547d\u4ee4\u4f86\u7372\u53d6\u76f8\u61c9\u7684\u6578\u64da\u3002\u4f8b\u5982\uff1a<\/p>\n
LRANGE mylist start stop<\/code><\/pre>\n
\u9019\u6a23\u5c31\u80fd\u5920\u7372\u53d6\u7576\u524d\u9801\u7684\u6578\u64da\u3002<\/p>\n
4. \u8655\u7406\u908a\u754c\u60c5\u6cc1<\/h3>\n
\u5728\u5be6\u73fe\u5206\u9801\u529f\u80fd\u6642\uff0c\u6211\u5011\u9084\u9700\u8981\u8003\u616e\u4e00\u4e9b\u908a\u754c\u60c5\u6cc1\uff0c\u4f8b\u5982\u7576\u9801\u78bc\u8d85\u51fa\u7bc4\u570d\u6642\uff0c\u61c9\u8a72\u8fd4\u56de\u7a7a\u6578\u64da\u6216\u662f\u63d0\u793a\u7528\u6236\u3002<\/p>\n
\u793a\u4f8b\u4ee3\u78bc<\/h2>\n
\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\u4ee3\u78bc\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u548c Lrange \u5be6\u73fe\u5206\u9801\u529f\u80fd\uff1a<\/p>\n
import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u5047\u8a2d\u6211\u5011\u7684\u5217\u8868\u540d\u7a31\u70ba mylist\uff0c\u4e26\u4e14\u5df2\u7d93\u6709\u6578\u64da\npageSize = 10\npage = 1  # \u7576\u524d\u9801\u78bc\n\n# \u8a08\u7b97\u7d22\u5f15\u7bc4\u570d\nstart = (page - 1) * pageSize\nstop = start + pageSize - 1\n\n# \u7372\u53d6\u7576\u524d\u9801\u7684\u6578\u64da\ndata = r.lrange('mylist', start, stop)\n\n# \u8f38\u51fa\u6578\u64da\nprint(data)\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u5229\u7528 Redis \u7684 Lrange \u547d\u4ee4\u5be6\u73fe\u5206\u9801\u529f\u80fd\u662f\u4e00\u500b\u9ad8\u6548\u4e14\u7c21\u55ae\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5408\u7406\u8a08\u7b97\u7d22\u5f15\u7bc4\u570d\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5f9e\u5217\u8868\u4e2d\u63d0\u53d6\u6240\u9700\u7684\u6578\u64da\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u7684\u8b80\u53d6\u6548\u7387\uff0c\u9084\u80fd\u5920\u6e1b\u5c11\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 Redis \u5be6\u4f8b\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u5730\u5340\u7684\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u7684LRANGE\u547d\u4ee4\u5be6\u73fe\u9ad8\u6548\u7684\u5206\u9801\u529f\u80fd\uff0c\u63d0\u5347\u6578\u64da\u67e5\u8a62\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-97426","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97426","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=97426"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97426\/revisions"}],"predecessor-version":[{"id":97427,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97426\/revisions\/97427"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97426"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}