{"id":201434,"date":"2025-05-10T10:40:06","date_gmt":"2025-05-10T02:40:06","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201434\/"},"modified":"2025-05-10T10:40:06","modified_gmt":"2025-05-10T02:40:06","slug":"%e6%b5%85%e8%b0%88redis%e5%9c%a8%e7%9b%b4%e6%92%ad%e5%9c%ba%e6%99%af%e7%9a%84%e5%ae%9e%e8%b7%b5%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201434\/","title":{"rendered":"\u6d45\u8c08Redis\u5728\u76f4\u64ad\u573a\u666f\u7684\u5b9e\u8df5\u65b9\u6848"},"content":{"rendered":"

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

\u6d45\u8c08Redis\u5728\u76f4\u64ad\u573a\u666f\u7684\u5b9e\u8df5\u65b9\u6848<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300a\u6d45\u8c08Redis\u5728\u76f4\u64ad\u573a\u666f\u7684\u5b9e\u8df5\u65b9\u6848\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0bRedis\u76f4\u64ad\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n

\u80cc\u666f\u4fe1\u606f
<\/h3>\n

\u89c6\u9891\u76f4\u64ad\u95f4\u4f5c\u4e3a\u76f4\u64ad\u7cfb\u7edf\u5bf9\u5916\u7684\u8868\u73b0\u5f62\u5f0f\uff0c\u662f\u6574\u4e2a\u7cfb\u7edf\u7684\u6838\u5fc3\u4e4b\u4e00\u3002\u9664\u4e86\u89c6\u9891\u76f4\u64ad\u7a97\u53e3\u5916\uff0c\u76f4\u64ad\u95f4\u7684\u5728\u7ebf\u7528\u6237\u3001\u793c\u7269\u3001\u8bc4\u8bba\u3001\u70b9\u8d5e\u3001\u6392\u884c\u699c\u7b49\u6570\u636e\u4fe1\u606f\u65f6\u6548\u6027\u9ad8\uff0c\u4e92\u52a8\u6027\u5f3a\uff0c\u5bf9\u7cfb\u7edf\u65f6\u5ef6\u6709\u7740\u975e\u5e38\u9ad8\u7684\u8981\u6c42\uff0c\u975e\u5e38\u9002\u5408\u4f7f\u7528Redis\u7f13\u5b58\u670d\u52a1\u6765\u5904\u7406\u3002
\u672c\u7bc7\u6700\u4f73\u5b9e\u8df5\u5c06\u5411\u60a8\u5c55\u793a\u4f7f\u7528Redis\u7248\u642d\u5efa\u89c6\u9891\u76f4\u64ad\u95f4\u4fe1\u606f\u7cfb\u7edf\u7684\u793a\u4f8b\u3002\u60a8\u5c06\u4e86\u89e3\u4e09\u7c7b\u4fe1\u606f\u7684\u6784\u5efa\u65b9\u6cd5\uff1a<\/p>\n

    \n
  • \u5b9e\u65f6\u6392\u884c\u7c7b\u4fe1\u606f<\/li>\n
  • \u8ba1\u6570\u7c7b\u4fe1\u606f<\/li>\n
  • \u65f6\u95f4\u7ebf\u4fe1\u606f<\/li>\n<\/ul>\n

    \u5b9e\u65f6\u6392\u884c\u7c7b\u4fe1\u606f
    <\/h3>\n

    \u5b9e\u65f6\u6392\u884c\u7c7b\u4fe1\u606f\u5305\u542b\u76f4\u64ad\u95f4\u5728\u7ebf\u7528\u6237\u5217\u8868\u3001\u5404\u79cd\u793c\u7269\u7684\u6392\u884c\u699c\u3001\u5f39\u5e55\u6d88\u606f\uff08\u7c7b\u4f3c\u4e8e\u6309\u6d88\u606f\u7ef4\u5ea6\u6392\u5e8f\u7684\u6d88\u606f\u6392\u884c\u699c\uff09\u7b49\uff0c\u9002\u5408\u4f7f\u7528Redis\u4e2d\u7684\u6709\u5e8f\u96c6\u5408\uff08sorted set\uff09\u7ed3\u6784\u8fdb\u884c\u5b58\u50a8\u3002
    Redis\u96c6\u5408\u4f7f\u7528\u7a7a\u503c\u6563\u5217\u8868\uff08hash table\uff09\u5b9e\u73b0\uff0c\u56e0\u6b64\u5bf9\u96c6\u5408\u7684\u589e\u5220\u6539\u67e5\u64cd\u4f5c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u90fd\u662fO\uff081\uff09\u3002\u6709\u5e8f\u96c6\u5408\u4e2d\u7684\u6bcf\u4e2a\u6210\u5458\u90fd\u5173\u8054\u4e00\u4e2a\u5206\u6570\uff08score\uff09\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u6392\u5e8f\u7b49\u64cd\u4f5c\u3002\u4e0b\u9762\u4ee5\u589e\u52a0\u548c\u8fd4\u56de\u5f39\u5e55\u6d88\u606f\u4e3a\u4f8b\u5bf9\u6709\u5e8f\u96c6\u5408\u5728\u76f4\u64ad\u95f4\u4fe1\u606f\u7cfb\u7edf\u4e2d\u7684\u5b9e\u9645\u8fd0\u7528\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n

    \u4ee5unix timestamp+\u6beb\u79d2\u6570\u4e3a\u5206\u503c\uff0c\u8bb0\u5f55user55\u7684\u76f4\u64ad\u95f4\u589e\u52a0\u76845\u6761\u5f39\u5e55\uff1a<\/p>\n

    \nredis> ZADD user55:_danmu 1523959031601166 message111111111111\n(integer) 1\n11.160.24.14:3003> ZADD user55:_danmu 1523959031601266 message222222222222\n(integer) 1\n11.160.24.14:3003> ZADD user55:_danmu 1523959088894232 message33333\n(integer) 1\n11.160.24.14:3003> ZADD user55:_danmu 1523959090390160 message444444\n(integer) 1\n11.160.24.14:3003> ZADD user55:_danmu 1523959092951218 message5555\n(integer) 1\n\n<\/pre>\n
    \u8fd4\u56de\u6700\u65b0\u76843\u6761\u5f39\u5e55\u4fe1\u606f\uff1a<\/p>\n
    \nredis> ZREVRANGEBYSCORE user55:_danmu +inf -inf LIMIT 0 3\n1) \"message5555\"\n2) \"message444444\"\n3) \"message33333\"<\/pre>\n
    \u8fd4\u56de\u6307\u5b9a\u65f6\u95f4\u6bb5\u5185\u76843\u6761\u5f39\u5e55\u4fe1\u606f\uff1a<\/p>\n
    \nredis> ZREVRANGEBYSCORE user55:_danmu 1523959088894232 -inf LIMIT 0 3\n1) \"message33333\"\n2) \"message222222222222\"\n3) \"message111111111111\"\n\n<\/pre>\n
    \u8ba1\u6570\u7c7b\u4fe1\u606f
    <\/h3>\n
    \u8ba1\u6570\u7c7b\u4fe1\u606f\u4ee5\u7528\u6237\u76f8\u5173\u6570\u636e\u4e3a\u4f8b\uff0c\u6709\u672a\u8bfb\u6d88\u606f\u6570\u3001\u5173\u6ce8\u6570\u3001\u7c89\u4e1d\u6570\u3001\u7ecf\u9a8c\u503c\u7b49\u7b49\u3002\u8fd9\u7c7b\u6d88\u606f\u9002\u5408\u4ee5Redis\u4e2d\u7684\u6563\u5217\uff08hash\uff09\u7ed3\u6784\u8fdb\u884c\u5b58\u50a8\u3002\u6bd4\u5982\u5173\u6ce8\u6570\u53ef\u4ee5\u7528\u5982\u4e0b\u7684\u65b9\u6cd5\u5904\u7406\uff1a<\/p>\n
    \nredis> HSET user:55 follower 5\n(integer) 1\nredis> HINCRBY user:55 follower 1 \/\/\u5173\u6ce8\u6570+1\n(integer) 6 \nredis> HGETALL user:55\n1) \"follow\"\n2) \"6\"\n<\/pre>\n
    \u65f6\u95f4\u7ebf\u4fe1\u606f
    <\/h3>\n
    \u65f6\u95f4\u7ebf\u4fe1\u606f\u662f\u4ee5\u65f6\u95f4\u4e3a\u7ef4\u5ea6\u7684\u4fe1\u606f\u5217\u8868\uff0c\u5178\u578b\u6709\u4e3b\u64ad\u52a8\u6001\u3001\u65b0\u5e16\u7b49\u3002\u8fd9\u7c7b\u4fe1\u606f\u662f\u6309\u7167\u56fa\u5b9a\u7684\u65f6\u95f4\u987a\u5e8f\u6392\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\uff08list\uff09\u6216\u8005\u6709\u5e8f\u5217\u8868\u6765\u5b58\u50a8\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
    \nredis> LPUSH user:55_recent_activitiy  '{datetime:201804112010,type:publish,title:\u5f00\u64ad\u5566,content:\u52a0\u6cb9}'\n(integer) 1\nredis> LPUSH user:55_recent_activitiy '{datetime:201804131910,type:publish,title:\u8bf7\u5047,content:\u62b1\u6b49\uff0c\u4eca\u5929\u6709\u4e8b\u9e3d\u4e00\u5929}'\n(integer) 2\nredis> LRANGE user:55_recent_activitiy 0 10\n1) \"{datetime:201804131910,type:publish,title:\\xe8\\xaf\\xb7\\xe5\\x81\\x87\\\",content:\\xe6\\x8a\\xb1\\xe6\\xad\\x89\\xef\\xbc\\x8c\\xe4\\xbb\\x8a\\xe5\\xa4\\xa9\\xe6\\x9c\\x89\\xe4\\xba\\x8b\\xe9\\xb8\\xbd\\xe4\\xb8\\x80\\xe5\\xa4\\xa9}\"\n2) \"{datetime:201804112010,type:publish,title:\\xe5\\xbc\\x80\\xe6\\x92\\xad\\xe5\\x95\\xa6,content:\\xe5\\x8a\\xa0\\xe6\\xb2\\xb9}\"\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
    \u6d45\u8c08Redis\u5728\u76f4\u64ad\u573a\u666f\u7684\u5b9e\u8df5\u65b9...<\/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-201434","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201434","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=201434"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201434\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}