{"id":202235,"date":"2025-05-10T13:21:04","date_gmt":"2025-05-10T05:21:04","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202235\/"},"modified":"2025-05-10T13:21:04","modified_gmt":"2025-05-10T05:21:04","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e5%92%8clua%e5%bc%80%e5%8f%91%e5%88%86%e5%b8%83%e5%bc%8f%e8%af%84%e5%88%86%e7%b3%bb%e7%bb%9f%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202235\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Redis\u548cLua\u5f00\u53d1\u5206\u5e03\u5f0f\u8bc4\u5206\u7cfb\u7edf\u529f\u80fd"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u4f7f\u7528Redis\u548cLua\u5f00\u53d1\u5206\u5e03\u5f0f\u8bc4\u5206\u7cfb\u7edf\u529f\u80fd<\/h1>\n

\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u4f7f\u7528Redis\u548cLua\u5f00\u53d1\u5206\u5e03\u5f0f\u8bc4\u5206\u7cfb\u7edf\u529f\u80fd\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n

\u5982\u4f55\u4f7f\u7528Redis\u548cLua\u5f00\u53d1\u5206\u5e03\u5f0f\u8bc4\u5206\u7cfb\u7edf\u529f\u80fd<\/p>\n

\u4ecb\u7ecd\uff1a
\u5728\u73b0\u4ee3\u4e92\u8054\u7f51\u5e94\u7528\u4e2d\uff0c\u8bc4\u5206\u7cfb\u7edf\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u529f\u80fd\u3002\u8bc4\u5206\u7cfb\u7edf\u80fd\u591f\u5bf9\u7528\u6237\u8fdb\u884c\u8bc4\u4ef7\uff0c\u5e76\u6839\u636e\u8bc4\u5206\u7ed3\u679c\u8fdb\u884c\u6392\u540d\u548c\u6392\u5e8f\u3002\u5728\u5927\u89c4\u6a21\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u6027\u80fd\u548c\u53ef\u4f38\u7f29\u6027\uff0c\u5f00\u53d1\u8005\u901a\u5e38\u4f1a\u9009\u62e9\u4f7f\u7528Redis\u4f5c\u4e3a\u6570\u636e\u5b58\u50a8\u548c\u7f13\u5b58\uff0c\u7ed3\u5408Lua\u7f16\u7a0b\u8bed\u8a00\u6765\u5b9e\u73b0\u8bc4\u5206\u7cfb\u7edf\u529f\u80fd\u3002<\/p>\n

Redis\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u952e\u503c\u5b58\u50a8\u6570\u636e\u5e93\uff0c\u4ee5\u5176\u5feb\u901f\u7684\u8bfb\u5199\u901f\u5ea6\u548c\u4e30\u5bcc\u7684\u6570\u636e\u7ed3\u6784\u800c\u95fb\u540d\u3002\u5b83\u8fd8\u652f\u6301Lua\u811a\u672c\u7f16\u7a0b\u8bed\u8a00\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u5728Redis\u670d\u52a1\u5668\u4e0a\u6267\u884c\u811a\u672c\uff0c\u5b9e\u73b0\u590d\u6742\u7684\u903b\u8f91\u548c\u6570\u636e\u64cd\u4f5c\u3002\u901a\u8fc7\u7ed3\u5408Redis\u548cLua\uff0c\u6211\u4eec\u53ef\u4ee5\u5f00\u53d1\u51fa\u4e00\u4e2a\u9ad8\u6548\u7684\u5206\u5e03\u5f0f\u8bc4\u5206\u7cfb\u7edf\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528Redis\u548cLua\u5f00\u53d1\u5206\u5e03\u5f0f\u8bc4\u5206\u7cfb\u7edf\u529f\u80fd\uff1f
\u4e0b\u9762\u5c06\u4ecb\u7ecd\u5982\u4f55\u901a\u8fc7Redis\u548cLua\u5f00\u53d1\u4e00\u4e2a\u5206\u5e03\u5f0f\u8bc4\u5206\u7cfb\u7edf\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

    \n
  1. \u8bbe\u8ba1\u8bc4\u5206\u6570\u636e\u7ed3\u6784
    \u5728Redis\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u6765\u5b58\u50a8\u8bc4\u5206\u6570\u636e\u3002\u6bcf\u4e2a\u7528\u6237\u53ef\u4ee5\u5bf9\u4e0d\u540c\u7684\u5bf9\u8c61\u8fdb\u884c\u8bc4\u5206\uff0c\u6bcf\u4e2a\u8bc4\u5206\u7684\u503c\u53ef\u4ee5\u662f\u6d6e\u70b9\u6570\uff0c\u8868\u793a\u7528\u6237\u5bf9\u8be5\u5bf9\u8c61\u7684\u559c\u597d\u7a0b\u5ea6\u3002<\/li>\n<\/ol>\n

    \u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6570\u636e\u7ed3\u6784\u6765\u5b58\u50a8\u8bc4\u5206\u6570\u636e\uff1a
    \u8bc4\u5206\u5bf9\u8c61\uff1a\u4f7f\u7528\u5b57\u7b26\u4e32\u7c7b\u578b\u8868\u793a\uff0c\u4f8b\u5982 “item:1″\u3001”item:2″\u7b49\u3002
    \u8bc4\u5206\u503c\uff1a\u4f7f\u7528\u6d6e\u70b9\u6570\u7c7b\u578b\u8868\u793a\u3002
    \u7528\u6237\uff1a\u4f7f\u7528\u5b57\u7b26\u4e32\u7c7b\u578b\u8868\u793a\uff0c\u4f8b\u5982 “user:1″\u3001”user:2″\u7b49\u3002<\/p>\n

      \n
    1. \u5b9e\u73b0\u8bc4\u5206\u529f\u80fd
      \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b9e\u73b0\u7528\u6237\u5bf9\u8bc4\u5206\u5bf9\u8c61\u7684\u8bc4\u5206\u529f\u80fd\u3002\u4ee5\u4e0b\u662fLua\u811a\u672c\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n

      local user = KEYS[1]
      local item = KEYS[2]
      local rating = ARGV[1]<\/p>\n

      redis.call(‘ZADD’, ‘ratings:’ .. item, rating, user)
      redis.call(‘ZADD’, ‘items:’ .. user, rating, item)<\/p>\n

      \u8fd9\u6bb5\u811a\u672c\u63a5\u53d7\u4e09\u4e2a\u53c2\u6570\uff1auser\uff08\u7528\u6237ID\uff09\u3001item\uff08\u8bc4\u5206\u5bf9\u8c61ID\uff09\u548crating\uff08\u8bc4\u5206\u503c\uff09\u3002\u5b83\u9996\u5148\u5c06\u8bc4\u5206\u503c\u548c\u7528\u6237ID\u6dfb\u52a0\u5230\u8bc4\u5206\u5bf9\u8c61\u7684\u6709\u5e8f\u96c6\u5408\u4e2d\uff0c\u7136\u540e\u5c06\u8bc4\u5206\u503c\u548c\u8bc4\u5206\u5bf9\u8c61\u6dfb\u52a0\u5230\u7528\u6237\u7684\u6709\u5e8f\u96c6\u5408\u4e2d\u3002<\/p>\n

        \n
      1. \u83b7\u53d6\u8bc4\u5206\u7ed3\u679c
        \u6211\u4eec\u8fd8\u9700\u8981\u5b9e\u73b0\u4eceRedis\u4e2d\u83b7\u53d6\u7279\u5b9a\u5bf9\u8c61\u7684\u8bc4\u5206\u7ed3\u679c\u3002\u4ee5\u4e0b\u662fLua\u811a\u672c\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n

        local item = KEYS[1]
        local start = ARGV[1]
        local stop = ARGV[2]<\/p>\n

        local users = redis.call(‘ZREVRANGE’, ‘ratings:’ .. item, start, stop, ‘WITHSCORES’)<\/p>\n

        return users<\/p>\n

        \u8fd9\u6bb5\u811a\u672c\u63a5\u53d7\u4e09\u4e2a\u53c2\u6570\uff1aitem\uff08\u8bc4\u5206\u5bf9\u8c61ID\uff09\u3001start\uff08\u8d77\u59cb\u6392\u540d\uff09\u548cstop\uff08\u7ed3\u675f\u6392\u540d\uff09\u3002\u5b83\u9996\u5148\u901a\u8fc7ZRANGE\u547d\u4ee4\u4ece\u6709\u5e8f\u96c6\u5408\u4e2d\u83b7\u53d6\u7279\u5b9a\u6392\u540d\u8303\u56f4\u5185\u7684\u7528\u6237ID\u548c\u8bc4\u5206\u503c\uff0c\u7136\u540e\u8fd4\u56de\u83b7\u53d6\u5230\u7684\u7ed3\u679c\u3002<\/p>\n

        \u8fd9\u53ea\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5206\u5e03\u5f0f\u8bc4\u5206\u7cfb\u7edf\u7684\u793a\u4f8b\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u5bf9\u4ee3\u7801\u8fdb\u884c\u6269\u5c55\u548c\u4f18\u5316\u3002<\/p>\n

        \u603b\u7ed3\uff1a
        \u901a\u8fc7\u7ed3\u5408Redis\u548cLua\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e2a\u9ad8\u6548\u7684\u5206\u5e03\u5f0f\u8bc4\u5206\u7cfb\u7edf\u3002Redis\u63d0\u4f9b\u4e86\u5feb\u901f\u7684\u6570\u636e\u5b58\u50a8\u548c\u7f13\u5b58\u80fd\u529b\uff0cLua\u7f16\u7a0b\u8bed\u8a00\u5219\u5141\u8bb8\u6211\u4eec\u5728Redis\u670d\u52a1\u5668\u4e0a\u6267\u884c\u590d\u6742\u7684\u903b\u8f91\u548c\u6570\u636e\u64cd\u4f5c\u3002\u901a\u8fc7\u5408\u7406\u8bbe\u8ba1\u6570\u636e\u7ed3\u6784\u548c\u5b9e\u73b0\u8bc4\u5206\u529f\u80fd\uff0c\u6211\u4eec\u53ef\u4ee5\u5f00\u53d1\u51fa\u4e00\u4e2a\u7075\u6d3b\u3001\u53ef\u4f38\u7f29\u7684\u8bc4\u5206\u7cfb\u7edf\u3002<\/p>\n

        \n
        \n <\/dt>\n
        \n \u5982\u4f55\u5229\u7528Redis\u548cDart\u5f00\u53d1\u7f13\u5b58\u7a7f\u900f\u9632\u5fa1\u529f\u80fd\n <\/dd>\n<\/dl>\n
        \n
        \n <\/dt>\n
        \n \u5982\u4f55\u5728MySQL\u4e2d\u4f7f\u7528Python\u7f16\u5199\u81ea\u5b9a\u4e49\u51fd\u6570\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"

        \u5982\u4f55\u4f7f\u7528Redis\u548cLua\u5f00\u53d1\u5206...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-202235","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202235","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202235"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202235\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202235"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202235"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202235"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}