{"id":167653,"date":"2024-11-06T03:34:24","date_gmt":"2024-11-05T19:34:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167653\/"},"modified":"2024-11-06T03:34:25","modified_gmt":"2024-11-05T19:34:25","slug":"%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e7%9a%84%e5%85%a7%e5%ad%98%e6%92%ae%e5%90%88%ef%bc%88%e5%85%a7%e5%ad%98%e6%92%ae%e5%90%88redis%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167653\/","title":{"rendered":"\u5229\u7528Redis\u5be6\u73fe\u9ad8\u6548\u7684\u5167\u5b58\u64ae\u5408\uff08\u5167\u5b58\u64ae\u5408redis\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e7%9a%84%e5%85%a7%e5%ad%98%e6%92%ae%e5%90%88%ef%bc%88%e5%85%a7%e5%ad%98%e6%92%ae%e5%90%88redis%ef%bc%89-cmDmIsHXXT\">\u5229\u7528Redis\u5be6\u73fe\u9ad8\u6548\u7684\u5167\u5b58\u64ae\u5408\uff08\u5167\u5b58\u64ae\u5408redis\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u5be6\u6642\u6578\u64da\u8655\u7406\u548c\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u6210\u70ba\u4e86\u4f01\u696d\u6210\u529f\u7684\u95dc\u9375\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\u901f\u5ea6\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u7684\u9752\u775e\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u9ad8\u6548\u7684\u5167\u5b58\u64ae\u5408\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%85%a7%e5%ad%98%e6%92%ae%e5%90%88%ef%bc%9f-cmDmIsHXXT\">\u4ec0\u9ebc\u662f\u5167\u5b58\u64ae\u5408\uff1f<\/h2>\n<p>\u5167\u5b58\u64ae\u5408\u662f\u6307\u5728\u5167\u5b58\u4e2d\u5feb\u901f\u5339\u914d\u548c\u8655\u7406\u6578\u64da\u7684\u904e\u7a0b\u3002\u9019\u7a2e\u6280\u8853\u901a\u5e38\u61c9\u7528\u65bc\u9700\u8981\u9ad8\u983b\u7387\u6578\u64da\u4ea4\u4e92\u7684\u5834\u666f\uff0c\u4f8b\u5982\u91d1\u878d\u4ea4\u6613\u3001\u5373\u6642\u901a\u8a0a\u548c\u904a\u6232\u7b49\u3002\u5167\u5b58\u64ae\u5408\u7684\u6838\u5fc3\u5728\u65bc\u80fd\u5920\u5feb\u901f\u5730\u67e5\u627e\u3001\u63d2\u5165\u548c\u522a\u9664\u6578\u64da\uff0c\u9019\u6b63\u662fRedis\u6240\u64c5\u9577\u7684\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e7%89%b9%e6%80%a7-cmDmIsHXXT\">Redis\u7684\u7279\u6027<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5177\u6709\u4ee5\u4e0b\u5e7e\u500b\u7279\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u80fd\u5920\u6bcf\u79d2\u8655\u7406\u6578\u5341\u842c\u6b21\u7684\u8b80\u5beb\u64cd\u4f5c\uff0c\u9019\u4f7f\u5f97\u5b83\u975e\u5e38\u9069\u5408\u7528\u65bc\u9700\u8981\u9ad8\u541e\u5410\u91cf\u7684\u61c9\u7528\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\uff1a<\/strong>\u96d6\u7136Redis\u4e3b\u8981\u7528\u4f5c\u5167\u5b58\u6578\u64da\u5eab\uff0c\u4f46\u5b83\u4e5f\u652f\u6301\u6578\u64da\u6301\u4e45\u5316\uff0c\u80fd\u5920\u5c07\u6578\u64da\u4fdd\u5b58\u5230\u78c1\u789f\u4e2d\u3002<\/li>\n<li><strong>\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis\u652f\u6301\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u8907\u96dc\u6578\u64da\u6642\u975e\u5e38\u9748\u6d3b\u3002<\/li>\n<li><strong>\u539f\u5b50\u64cd\u4f5c\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u539f\u5b50\u64cd\u4f5c\uff0c\u80fd\u5920\u4fdd\u8b49\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e5%85%a7%e5%ad%98%e6%92%ae%e5%90%88-cmDmIsHXXT\">\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u5167\u5b58\u64ae\u5408<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5229\u7528Redis\u5be6\u73fe\u5167\u5b58\u64ae\u5408\u7684\u4e00\u500b\u57fa\u672c\u793a\u4f8b\uff0c\u5047\u8a2d\u6211\u5011\u9700\u8981\u5728\u4e00\u500b\u4ea4\u6613\u7cfb\u7d71\u4e2d\u5feb\u901f\u5339\u914d\u8cb7\u8ce3\u8a02\u55ae\u3002<\/p>\n<h3 id=\"1-%e8%a8%ad%e7%bd%ae%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-cmDmIsHXXT\">1. \u8a2d\u7f6e\u6578\u64da\u7d50\u69cb<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u6709\u5e8f\u96c6\u5408\u4f86\u5b58\u5132\u8cb7\u8ce3\u8a02\u55ae\u3002\u6bcf\u500b\u8a02\u55ae\u53ef\u4ee5\u5305\u542b\u50f9\u683c\u548c\u6578\u91cf\u7b49\u4fe1\u606f\u3002<\/p>\n<pre><code>\n# \u6dfb\u52a0\u8cb7\u55ae\nZADD buy_orders 100 1\nZADD buy_orders 101 2\nZADD buy_orders 102 3\n\n# \u6dfb\u52a0\u8ce3\u55ae\nZADD sell_orders 103 1\nZADD sell_orders 104 2\nZADD sell_orders 105 3\n<\/code><\/pre>\n<h3 id=\"2-%e6%92%ae%e5%90%88%e9%82%8f%e8%bc%af-cmDmIsHXXT\">2. \u64ae\u5408\u908f\u8f2f<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5be6\u73fe\u64ae\u5408\u908f\u8f2f\uff0c\u9019\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u6709\u5e8f\u96c6\u5408\u4f86\u5b8c\u6210\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u64ae\u5408\u51fd\u6578\uff1a<\/p>\n<pre><code>\ndef match_orders():\n    while True:\n        # \u7372\u53d6\u6700\u9ad8\u8cb7\u55ae\u548c\u6700\u4f4e\u8ce3\u55ae\n        highest_buy = redis.zrevrange('buy_orders', 0, 0, withscores=True)\n        lowest_sell = redis.zrange('sell_orders', 0, 0, withscores=True)\n\n        if not highest_buy or not lowest_sell:\n            break\n\n        highest_price = highest_buy[0][1]\n        lowest_price = lowest_sell[0][1]\n\n        # \u5982\u679c\u6709\u64ae\u5408\uff0c\u5247\u57f7\u884c\u4ea4\u6613\n        if highest_price &gt;= lowest_price:\n            # \u9032\u884c\u4ea4\u6613\u908f\u8f2f\n            print(f\"Match found: Buy at {highest_price}, Sell at {lowest_price}\")\n            # \u522a\u9664\u5df2\u64ae\u5408\u7684\u8a02\u55ae\n            redis.zrem('buy_orders', highest_buy[0][0])\n            redis.zrem('sell_orders', lowest_sell[0][0])\n        else:\n            break\n<\/code><\/pre>\n<h3 id=\"3-%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96-cmDmIsHXXT\">3. \u6027\u80fd\u512a\u5316<\/h3>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u70ba\u4e86\u63d0\u9ad8\u6027\u80fd\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528Redis\u7684Pipeline\u529f\u80fd\u4f86\u6279\u91cf\u8655\u7406\u8acb\u6c42\uff0c\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u3002<\/li>\n<li>\u6839\u64da\u5be6\u969b\u9700\u6c42\u8abf\u6574\u6578\u64da\u7d50\u69cb\uff0c\u9078\u64c7\u6700\u9069\u5408\u7684Redis\u6578\u64da\u985e\u578b\u3002<\/li>\n<li>\u5b9a\u671f\u6e05\u7406\u904e\u671f\u7684\u8a02\u55ae\uff0c\u4fdd\u6301\u6578\u64da\u5eab\u7684\u9ad8\u6548\u904b\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-cmDmIsHXXT\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528Redis\u5be6\u73fe\u9ad8\u6548\u7684\u5167\u5b58\u64ae\u5408\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\uff0c\u9084\u80fd\u5920\u70ba\u7528\u6236\u63d0\u4f9b\u66f4\u597d\u7684\u9ad4\u9a57\u3002\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u7d50\u69cb\u8a2d\u8a08\u548c\u512a\u5316\u7684\u64ae\u5408\u908f\u8f2f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u5404\u7a2e\u61c9\u7528\u5834\u666f\u4e2d\u5145\u5206\u767c\u63eeRedis\u7684\u512a\u52e2\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684Redis\u670d\u52d9\uff0c\u4eab\u53d7\u66f4\u5feb\u7684\u6578\u64da\u8655\u7406\u901f\u5ea6\u548c\u7a69\u5b9a\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u9ad8\u6548\u7684\u5167\u5b58\u64ae\u5408\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u901f\u5ea6\u8207\u6027\u80fd\uff0c\u9069\u7528\u65bc\u9ad8\u983b\u4ea4\u6613\u548c\u5373\u6642\u61c9\u7528\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-167653","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167653","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=167653"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167653\/revisions"}],"predecessor-version":[{"id":167654,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167653\/revisions\/167654"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167653"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167653"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167653"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}