{"id":128211,"date":"2024-10-26T12:28:19","date_gmt":"2024-10-26T04:28:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128211\/"},"modified":"2024-10-26T12:28:19","modified_gmt":"2024-10-26T04:28:19","slug":"redis-%e5%af%a6%e6%99%82%e6%9f%a5%e7%9c%8b-set-%e5%80%bc%e4%b8%80%e7%a8%ae%e6%9c%89%e6%95%88%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128211\/","title":{"rendered":"Redis \u5be6\u6642\u67e5\u770b Set \u503c\u4e00\u7a2e\u6709\u6548\u65b9\u6cd5"},"content":{"rendered":"

Redis \u5be6\u6642\u67e5\u770b Set \u503c\u4e00\u7a2e\u6709\u6548\u65b9\u6cd5<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5be6\u6642\u6578\u64da\u8655\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u4f86\u652f\u6301\u4e0d\u540c\u7684\u61c9\u7528\u5834\u666f\u3002\u5176\u4e2d\uff0cSet \u662f\u4e00\u7a2e\u975e\u5e38\u6709\u7528\u7684\u6578\u64da\u7d50\u69cb\uff0c\u80fd\u5920\u5b58\u5132\u4e0d\u91cd\u8907\u7684\u5143\u7d20\uff0c\u4e26\u63d0\u4f9b\u9ad8\u6548\u7684\u67e5\u8a62\u548c\u64cd\u4f5c\u529f\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 Redis \u4e2d\u5be6\u6642\u67e5\u770b Set \u503c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6709\u6548\u7684\u65b9\u6cd5\u548c\u793a\u4f8b\u3002<\/p>\n

\u4ec0\u9ebc\u662f Redis Set\uff1f<\/h2>\n

Redis Set \u662f\u4e00\u7a2e\u7121\u5e8f\u7684\u96c6\u5408\uff0c\u5141\u8a31\u5b58\u5132\u4e0d\u91cd\u8907\u7684\u5b57\u7b26\u4e32\u5143\u7d20\u3002\u9019\u610f\u5473\u8457\u540c\u4e00\u500b\u5143\u7d20\u4e0d\u80fd\u5728 Set \u4e2d\u51fa\u73fe\u591a\u6b21\u3002Set \u63d0\u4f9b\u4e86\u591a\u7a2e\u64cd\u4f5c\uff0c\u4f8b\u5982\u6dfb\u52a0\u3001\u522a\u9664\u548c\u67e5\u8a62\u5143\u7d20\uff0c\u4e26\u4e14\u9019\u4e9b\u64cd\u4f5c\u7684\u6642\u9593\u8907\u96dc\u5ea6\u90fd\u662f O(1)\u3002\u9019\u4f7f\u5f97 Set \u6210\u70ba\u8655\u7406\u9700\u8981\u5feb\u901f\u67e5\u8a62\u548c\u66f4\u65b0\u7684\u6578\u64da\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n

\u5be6\u6642\u67e5\u770b Set \u503c\u7684\u65b9\u6cd5<\/h2>\n

\u8981\u5be6\u6642\u67e5\u770b Redis Set \u4e2d\u7684\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n

1. \u4f7f\u7528 `SMEMBERS` \u547d\u4ee4<\/h3>\n

\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 `SMEMBERS` \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u8fd4\u56de Set \u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 `SMEMBERS` \u7684\u793a\u4f8b\uff1a<\/p>\n

127.0.0.1:6379> SADD myset \"apple\" \"banana\" \"orange\"\n(integer) 3\n127.0.0.1:6379> SMEMBERS myset\n1) \"apple\"\n2) \"banana\"\n3) \"orange\"\n<\/code><\/pre>\n
\u9019\u6a23\u53ef\u4ee5\u5feb\u901f\u67e5\u770b Set \u4e2d\u7684\u6240\u6709\u503c\uff0c\u4f46\u5982\u679c Set \u7684\u5927\u5c0f\u975e\u5e38\u5927\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u3002<\/p>\n
2. \u4f7f\u7528 `SSCAN` \u547d\u4ee4<\/h3>\n
\u5c0d\u65bc\u5927\u578b Set\uff0c\u4f7f\u7528 `SSCAN` \u547d\u4ee4\u662f\u4e00\u500b\u66f4\u6709\u6548\u7684\u65b9\u6cd5\u3002`SSCAN` \u5141\u8a31\u4f60\u4ee5\u589e\u91cf\u7684\u65b9\u5f0f\u904d\u6b77 Set\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u4e00\u6b21\u6027\u52a0\u8f09\u6240\u6709\u6578\u64da\u3002\u4ee5\u4e0b\u662f `SSCAN` \u7684\u793a\u4f8b\uff1a<\/p>\n
127.0.0.1:6379> SADD myset \"apple\" \"banana\" \"orange\" \"grape\" \"kiwi\"\n(integer) 5\n127.0.0.1:6379> SSCAN myset 0\n1) \"0\"\n2) 1) \"apple\"\n   2) \"banana\"\n   3) \"orange\"\n   4) \"grape\"\n   5) \"kiwi\"\n<\/code><\/pre>\n
\u9019\u6a23\u53ef\u4ee5\u5206\u6279\u6b21\u5730\u67e5\u770b Set \u4e2d\u7684\u503c\uff0c\u5f9e\u800c\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\u3002<\/p>\n
3. \u4f7f\u7528 Pub\/Sub \u6a21\u5f0f\u5be6\u6642\u76e3\u63a7<\/h3>\n
\u5982\u679c\u9700\u8981\u5be6\u6642\u76e3\u63a7 Set \u7684\u8b8a\u5316\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 Redis \u7684 Pub\/Sub \u529f\u80fd\u3002\u7576 Set \u4e2d\u7684\u5143\u7d20\u767c\u751f\u8b8a\u5316\u6642\uff0c\u53ef\u4ee5\u767c\u9001\u6d88\u606f\u5230\u4e00\u500b\u983b\u9053\uff0c\u7136\u5f8c\u8a02\u95b1\u8a72\u983b\u9053\u4ee5\u63a5\u6536\u66f4\u65b0\u3002\u4ee5\u4e0b\u662f\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n
127.0.0.1:6379> SADD myset \"apple\"\n(integer) 1\n127.0.0.1:6379> PUBLISH myset_updates \"apple added\"\n(integer) 1\n<\/code><\/pre>\n
\u901a\u904e\u9019\u7a2e\u65b9\u5f0f\uff0c\u61c9\u7528\u7a0b\u5e8f\u53ef\u4ee5\u5be6\u6642\u63a5\u6536 Set \u7684\u8b8a\u5316\uff0c\u5f9e\u800c\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
Redis \u7684 Set \u7d50\u69cb\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u548c\u67e5\u8a62\u80fd\u529b\u3002\u901a\u904e\u4f7f\u7528 `SMEMBERS`\u3001`SSCAN` \u548c Pub\/Sub \u6a21\u5f0f\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5be6\u6642\u67e5\u770b Set \u4e2d\u7684\u503c\u3002\u9019\u4e9b\u6280\u8853\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u8655\u7406\u7684\u6548\u7387\uff0c\u9084\u80fd\u5920\u652f\u6301\u5404\u7a2e\u5be6\u6642\u61c9\u7528\u5834\u666f\u3002<\/p>\n
\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u4f7f\u7528 Redis \u9032\u884c\u6578\u64da\u5b58\u5132\u548c\u67e5\u8a62\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 \u9999\u6e2f VPS<\/a> \u4f86\u642d\u5efa\u60a8\u7684 Redis \u74b0\u5883\uff0c\u4eab\u53d7\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22 Redis \u5be6\u6642\u67e5\u770b Set \u503c\u7684\u6709\u6548\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u5be6\u73fe\u5feb\u901f\u67e5\u8a62\u8207\u5373\u6642\u66f4\u65b0\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-128211","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128211","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=128211"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128211\/revisions"}],"predecessor-version":[{"id":128212,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128211\/revisions\/128212"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}