{"id":167129,"date":"2024-11-05T22:36:24","date_gmt":"2024-11-05T14:36:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167129\/"},"modified":"2024-11-05T22:36:25","modified_gmt":"2024-11-05T14:36:25","slug":"%e5%88%a9%e7%94%a8redis%e6%9f%a5%e6%89%be%e6%95%b8%e6%93%9a%e4%b8%ad%e7%9a%84%e6%9c%80%e5%a4%a7%e5%80%bc%ef%bc%88redis%e6%9f%a5%e6%89%be%e6%9c%80%e5%a4%a7%e5%80%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167129\/","title":{"rendered":"\u5229\u7528Redis\u67e5\u627e\u6578\u64da\u4e2d\u7684\u6700\u5927\u503c\uff08redis\u67e5\u627e\u6700\u5927\u503c\uff09"},"content":{"rendered":"

\u5229\u7528Redis\u67e5\u627e\u6578\u64da\u4e2d\u7684\u6700\u5927\u503c\uff08redis\u67e5\u627e\u6700\u5927\u503c\uff09<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u5730\u67e5\u627e\u6578\u64da\u4e2d\u7684\u6700\u5927\u503c\u662f\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u57fa\u672c\u9700\u6c42\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u548c\u547d\u4ee4\uff0c\u4f7f\u5f97\u9019\u4e00\u4efb\u52d9\u8b8a\u5f97\u76f8\u5c0d\u7c21\u55ae\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u67e5\u627e\u6578\u64da\u4e2d\u7684\u6700\u5927\u503c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

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

Redis\u652f\u6301\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\u3002\u5c0d\u65bc\u67e5\u627e\u6700\u5927\u503c\u7684\u9700\u6c42\uff0c\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u662f\u4e00\u500b\u975e\u5e38\u5408\u9069\u7684\u9078\u64c7\u3002\u9019\u662f\u56e0\u70ba\u6709\u5e8f\u96c6\u5408\u4e0d\u50c5\u53ef\u4ee5\u5b58\u5132\u552f\u4e00\u7684\u5143\u7d20\uff0c\u9084\u53ef\u4ee5\u70ba\u6bcf\u500b\u5143\u7d20\u5206\u914d\u4e00\u500b\u5206\u6578\uff0c\u9019\u4f7f\u5f97\u6211\u5011\u80fd\u5920\u6839\u64da\u5206\u6578\u9032\u884c\u6392\u5e8f\u3002<\/p>\n

\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u67e5\u627e\u6700\u5927\u503c<\/h2>\n

\u5728Redis\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u4f86\u5b58\u5132\u6578\u64da\u53ca\u5176\u5c0d\u61c9\u7684\u5206\u6578\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u4f86\u67e5\u627e\u6700\u5927\u503c\u7684\u6b65\u9a5f\uff1a<\/p>\n

    \n
  1. \u9996\u5148\uff0c\u5c07\u6578\u64da\u63d2\u5165\u5230\u6709\u5e8f\u96c6\u5408\u4e2d\u3002<\/li>\n
  2. \u7136\u5f8c\uff0c\u4f7f\u7528\u547d\u4ee4\u67e5\u627e\u6700\u5927\u503c\u3002<\/li>\n<\/ol>\n

    \u793a\u4f8b\uff1a\u63d2\u5165\u6578\u64da\u5230\u6709\u5e8f\u96c6\u5408<\/h3>\n
    127.0.0.1:6379> ZADD myset 1 \"value1\"\n127.0.0.1:6379> ZADD myset 3 \"value2\"\n127.0.0.1:6379> ZADD myset 2 \"value3\"\n<\/code><\/pre>\n
    \u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba\u201cmyset\u201d\u7684\u6709\u5e8f\u96c6\u5408\uff0c\u4e26\u63d2\u5165\u4e86\u4e09\u500b\u5143\u7d20\u53ca\u5176\u5c0d\u61c9\u7684\u5206\u6578\u3002<\/p>\n
    \u67e5\u627e\u6700\u5927\u503c<\/h3>\n
    \u8981\u67e5\u627e\u6709\u5e8f\u96c6\u5408\u4e2d\u7684\u6700\u5927\u503c\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 ZREVRANGE<\/code> \u547d\u4ee4\uff0c\u9019\u500b\u547d\u4ee4\u6703\u6839\u64da\u5206\u6578\u7684\u964d\u5e8f\u8fd4\u56de\u5143\u7d20\u3002<\/p>\n
    127.0.0.1:6379> ZREVRANGE myset 0 0 WITHSCORES\n<\/code><\/pre>\n
    \u9019\u689d\u547d\u4ee4\u5c07\u8fd4\u56de\u5206\u6578\u6700\u9ad8\u7684\u5143\u7d20\u53ca\u5176\u5206\u6578\u3002\u7d50\u679c\u5c07\u986f\u793a\u5982\u4e0b\uff1a<\/p>\n
    1) \"value2\"\n2) \"3\"\n<\/code><\/pre>\n
    \u5f9e\u7d50\u679c\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c”value2″ \u662f\u6709\u5e8f\u96c6\u5408\u4e2d\u5206\u6578\u6700\u9ad8\u7684\u5143\u7d20\uff0c\u5176\u5206\u6578\u70ba3\u3002<\/p>\n
    \u4f7f\u7528Redis\u7684\u5176\u4ed6\u65b9\u6cd5\u67e5\u627e\u6700\u5927\u503c<\/h2>\n
    \u9664\u4e86\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\uff0cRedis\u9084\u63d0\u4f9b\u4e86\u5176\u4ed6\u65b9\u6cd5\u4f86\u67e5\u627e\u6700\u5927\u503c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u5217\u8868\uff08List\uff09\u548c\u96c6\u5408\uff08Set\uff09\u7d50\u5408Lua\u8173\u672c\u4f86\u5be6\u73fe\u66f4\u8907\u96dc\u7684\u67e5\u627e\u908f\u8f2f\u3002<\/p>\n
    \u4f7f\u7528Lua\u8173\u672c\u67e5\u627e\u6700\u5927\u503c<\/h3>\n
    \u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Lua\u8173\u672c\u67e5\u627e\u5217\u8868\u4e2d\u6700\u5927\u503c\u7684\u793a\u4f8b\uff1a<\/p>\n
    local max_value = -math.huge\nfor i=1,#KEYS[1] do\n    local value = tonumber(redis.call('LINDEX', KEYS[1], i-1))\n    if value > max_value then\n        max_value = value\n    end\nend\nreturn max_value\n<\/code><\/pre>\n
    \u9019\u6bb5\u8173\u672c\u5c07\u904d\u6b77\u6307\u5b9a\u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u4e26\u8fd4\u56de\u6700\u5927\u503c\u3002<\/p>\n
    \u7e3d\u7d50<\/h2>\n
    \u5728Redis\u4e2d\u67e5\u627e\u6578\u64da\u4e2d\u7684\u6700\u5927\u503c\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u7279\u5225\u662f\u5229\u7528\u6709\u5e8f\u96c6\u5408\u7684\u7279\u6027\u3002\u901a\u904e\u4f7f\u7528 ZADD<\/code> \u548c ZREVRANGE<\/code> \u547d\u4ee4\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u63d2\u5165\u6578\u64da\u4e26\u67e5\u627e\u6700\u5927\u503c\u3002\u6b64\u5916\uff0c\u4f7f\u7528Lua\u8173\u672c\u4e5f\u70ba\u6211\u5011\u63d0\u4f9b\u4e86\u66f4\u5927\u7684\u9748\u6d3b\u6027\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u66f4\u8907\u96dc\u7684\u6578\u64da\u7d50\u69cb\u6642\u3002<\/p>\n
    \u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 \u9999\u6e2fVPS<\/a> \u4f86\u904b\u884c\u60a8\u7684Redis\u5be6\u4f8b\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u63d0\u4f9b\u7a69\u5b9a\u548c\u5feb\u901f\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5b78\u7fd2\u5982\u4f55\u5229\u7528Redis\u9ad8\u6548\u67e5\u627e\u6578\u64da\u4e2d\u7684\u6700\u5927\u503c\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6027\u80fd\uff0c\u7c21\u5316\u67e5\u8a62\u904e\u7a0b\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-167129","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167129","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=167129"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167129\/revisions"}],"predecessor-version":[{"id":167130,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167129\/revisions\/167130"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167129"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}