{"id":152787,"date":"2024-11-02T02:01:21","date_gmt":"2024-11-01T18:01:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/152787\/"},"modified":"2024-11-02T02:01:22","modified_gmt":"2024-11-01T18:01:22","slug":"%e8%b6%85%e7%9f%ad%e6%99%82%e9%96%93%e5%85%a7%e8%b3%bc%e8%b2%b7-redis-set-%e7%a7%92%e6%ae%ba%ef%bc%88redis-%e7%a7%92%e6%ae%ba-set%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/152787\/","title":{"rendered":"\u8d85\u77ed\u6642\u9593\u5167\u8cfc\u8cb7 Redis Set \u79d2\u6bba\uff08Redis \u79d2\u6bba Set\uff09"},"content":{"rendered":"<h1 id=\"%e8%b6%85%e7%9f%ad%e6%99%82%e9%96%93%e5%85%a7%e8%b3%bc%e8%b2%b7-redis-set-%e7%a7%92%e6%ae%ba%ef%bc%88redis-%e7%a7%92%e6%ae%ba-set%ef%bc%89-YTGfJGKPAK\">\u8d85\u77ed\u6642\u9593\u5167\u8cfc\u8cb7 Redis Set \u79d2\u6bba\uff08Redis \u79d2\u6bba Set\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5df2\u7d93\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u9078\u3002\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u64cd\u4f5c\u7684\u5834\u666f\u4e2d\uff0cRedis \u7684\u6027\u80fd\u512a\u52e2\u986f\u800c\u6613\u898b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728\u8d85\u77ed\u6642\u9593\u5167\u8cfc\u8cb7 Redis Set\uff0c\u4e26\u4ecb\u7d39\u5176\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-set%ef%bc%9f-YTGfJGKPAK\">\u4ec0\u9ebc\u662f Redis Set\uff1f<\/h2>\n<p>Redis Set \u662f\u4e00\u7a2e\u7121\u5e8f\u7684\u96c6\u5408\u6578\u64da\u7d50\u69cb\uff0c\u5141\u8a31\u5b58\u5132\u4e0d\u91cd\u8907\u7684\u5143\u7d20\u3002\u9019\u4f7f\u5f97 Redis Set \u7279\u5225\u9069\u5408\u7528\u65bc\u9700\u8981\u5feb\u901f\u67e5\u627e\u548c\u53bb\u91cd\u7684\u5834\u666f\u3002\u6bcf\u500b Set \u90fd\u53ef\u4ee5\u9032\u884c\u591a\u7a2e\u64cd\u4f5c\uff0c\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<\/p>\n<h2 id=\"redis-set-%e5%9c%a8%e7%a7%92%e6%ae%ba%e6%b4%bb%e5%8b%95%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8-YTGfJGKPAK\">Redis Set \u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\u7684\u61c9\u7528<\/h2>\n<p>\u79d2\u6bba\u6d3b\u52d5\u901a\u5e38\u6d89\u53ca\u5927\u91cf\u7528\u6236\u5728\u77ed\u6642\u9593\u5167\u6436\u8cfc\u6709\u9650\u7684\u5546\u54c1\u3002\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0cRedis Set \u53ef\u4ee5\u7528\u4f86\u7ba1\u7406\u5eab\u5b58\u548c\u7528\u6236\u7684\u8cfc\u8cb7\u884c\u70ba\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u5eab\u5b58\u7ba1\u7406\uff1a<\/strong>\u4f7f\u7528 Redis Set \u4f86\u5b58\u5132\u53ef\u7528\u5546\u54c1\u7684 ID\uff0c\u7576\u7528\u6236\u6210\u529f\u8cfc\u8cb7\u5546\u54c1\u6642\uff0c\u5c07\u8a72\u5546\u54c1 ID \u5f9e Set \u4e2d\u522a\u9664\uff0c\u5f9e\u800c\u5be6\u73fe\u5eab\u5b58\u7684\u5373\u6642\u66f4\u65b0\u3002<\/li>\n<li><strong>\u7528\u6236\u53bb\u91cd\uff1a<\/strong>\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u540c\u4e00\u7528\u6236\u591a\u6b21\u5617\u8a66\u8cfc\u8cb7\u7684\u60c5\u6cc1\u3002\u53ef\u4ee5\u4f7f\u7528 Redis Set \u4f86\u5b58\u5132\u5df2\u7d93\u53c3\u8207\u8cfc\u8cb7\u7684\u7528\u6236 ID\uff0c\u5f9e\u800c\u907f\u514d\u91cd\u8907\u8cfc\u8cb7\u3002<\/li>\n<li><strong>\u9650\u6642\u512a\u60e0\uff1a<\/strong>\u53ef\u4ee5\u8a2d\u7f6e\u4e00\u500b\u6642\u9593\u7a97\u53e3\uff0c\u4f7f\u7528 Redis \u7684\u904e\u671f\u529f\u80fd\u4f86\u81ea\u52d5\u6e05\u9664\u904e\u671f\u7684\u512a\u60e0\u4fe1\u606f\uff0c\u78ba\u4fdd\u7528\u6236\u5728\u6b63\u78ba\u7684\u6642\u9593\u5167\u53c3\u8207\u6d3b\u52d5\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be-redis-%e7%a7%92%e6%ae%ba-set-YTGfJGKPAK\">\u5982\u4f55\u5be6\u73fe Redis \u79d2\u6bba Set<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u4f86\u5be6\u73fe\u79d2\u6bba\u529f\u80fd\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\n# \u5047\u8a2d\u5546\u54c1 ID \u70ba 1001\nproduct_id = '1001'\n\n# \u6dfb\u52a0\u5546\u54c1\u5230\u5eab\u5b58 Set\nr.sadd('product:1001:stock', product_id)\n\n# \u7528\u6236\u5617\u8a66\u8cfc\u8cb7\u5546\u54c1\nuser_id = 'user123'\n\n# \u6aa2\u67e5\u7528\u6236\u662f\u5426\u5df2\u7d93\u8cfc\u8cb7\u904e\nif not r.sismember('product:1001:users', user_id):\n    # \u6aa2\u67e5\u5eab\u5b58\n    if r.scard('product:1001:stock') &gt; 0:\n        # \u8cfc\u8cb7\u6210\u529f\uff0c\u5f9e\u5eab\u5b58\u4e2d\u522a\u9664\u5546\u54c1\n        r.srem('product:1001:stock', product_id)\n        # \u8a18\u9304\u7528\u6236\u8cfc\u8cb7\n        r.sadd('product:1001:users', user_id)\n        print(\"\u8cfc\u8cb7\u6210\u529f\uff01\")\n    else:\n        print(\"\u5eab\u5b58\u4e0d\u8db3\uff01\")\nelse:\n    print(\"\u60a8\u5df2\u7d93\u8cfc\u8cb7\u904e\u6b64\u5546\u54c1\uff01\")\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-YTGfJGKPAK\">\u7d50\u8ad6<\/h2>\n<p>Redis Set \u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5229\u7528\u5176\u5feb\u901f\u7684\u67e5\u8a62\u548c\u64cd\u4f5c\u80fd\u529b\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u5eab\u5b58\u7ba1\u7406\u548c\u7528\u6236\u53bb\u91cd\u7b49\u529f\u80fd\u3002\u96a8\u8457\u96fb\u5b50\u5546\u52d9\u7684\u767c\u5c55\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u8853\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u548c\u696d\u52d9\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u9999\u6e2f\u4f7f\u7528 <a href=\"https:\/\/server.hk\">VPS<\/a> \u4f86\u90e8\u7f72 Redis \u670d\u52d9\u6709\u8208\u8da3\uff0c\u6216\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8d85\u77ed\u6642\u9593\u5167\u8cfc\u8cb7 Redis Set \u79d2\u6bba\uff0c\u9ad4\u9a57\u9ad8\u6548\u6578\u64da\u8655\u7406\uff0c\u52a9\u60a8\u5feb\u901f\u5b8c\u6210\u4ea4\u6613\uff0c\u63d0\u5347\u696d\u52d9\u6548\u7387\uff01<\/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-152787","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152787","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=152787"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152787\/revisions"}],"predecessor-version":[{"id":152788,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152787\/revisions\/152788"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=152787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=152787"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=152787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}