{"id":128755,"date":"2024-10-26T16:30:23","date_gmt":"2024-10-26T08:30:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128755\/"},"modified":"2024-10-26T16:30:24","modified_gmt":"2024-10-26T08:30:24","slug":"redis%e5%af%a6%e7%8f%be%e5%bf%ab%e9%80%9f%e8%a8%88%e7%ae%97%e5%b9%b3%e5%9d%87%e5%80%bc%ef%bc%88redis%e6%b1%82%e5%b9%b3%e5%9d%87%e5%80%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128755\/","title":{"rendered":"Redis\u5be6\u73fe\u5feb\u901f\u8a08\u7b97\u5e73\u5747\u503c\uff08redis\u6c42\u5e73\u5747\u503c\uff09"},"content":{"rendered":"<h1 id=\"redis%e5%af%a6%e7%8f%be%e5%bf%ab%e9%80%9f%e8%a8%88%e7%ae%97%e5%b9%b3%e5%9d%87%e5%80%bc%ef%bc%88redis%e6%b1%82%e5%b9%b3%e5%9d%87%e5%80%bc%ef%bc%89-apVIRreLUs\">Redis\u5be6\u73fe\u5feb\u901f\u8a08\u7b97\u5e73\u5747\u503c\uff08redis\u6c42\u5e73\u5747\u503c\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\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\u64cd\u4f5c\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u8a08\u7b97\u5e73\u5747\u503c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u4f86\u5be6\u73fe\u5feb\u901f\u8a08\u7b97\u5e73\u5747\u503c\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87redis%ef%bc%9f-apVIRreLUs\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u591a\u7a2e\u6578\u64da\u985e\u578b\u3002\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u4f7f\u5176\u6210\u70ba\u8a08\u7b97\u5e73\u5747\u503c\u7684\u7406\u60f3\u9078\u64c7\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Redis\u8a08\u7b97\u5e73\u5747\u503c\u7684\u4e00\u4e9b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5f97\u6578\u64da\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u6975\u5feb\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86\u7c21\u55ae\u7684API\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u4e0a\u624b\u3002<\/li>\n<li><strong>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u4f86\u5b58\u5132\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a8%88%e7%ae%97%e5%b9%b3%e5%9d%87%e5%80%bc%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%80%9d%e8%b7%af-apVIRreLUs\">\u8a08\u7b97\u5e73\u5747\u503c\u7684\u57fa\u672c\u601d\u8def<\/h2>\n<p>\u8a08\u7b97\u5e73\u5747\u503c\u7684\u57fa\u672c\u516c\u5f0f\u662f\uff1a<code>\u5e73\u5747\u503c = \u7e3d\u548c \/ \u6578\u91cf<\/code>\u3002\u5728Redis\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u5169\u500b\u9375\u4f86\u5b58\u5132\u7e3d\u548c\u548c\u8a08\u6578\uff0c\u7136\u5f8c\u901a\u904e\u9019\u5169\u500b\u9375\u4f86\u8a08\u7b97\u5e73\u5747\u503c\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e8%a8%ad%e7%bd%ae%e7%b8%bd%e5%92%8c%e5%92%8c%e8%a8%88%e6%95%b8-apVIRreLUs\">\u6b65\u9a5f\u4e00\uff1a\u8a2d\u7f6e\u7e3d\u548c\u548c\u8a08\u6578<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5728Redis\u4e2d\u8a2d\u7f6e\u4e00\u500b\u9375\u4f86\u5b58\u5132\u7e3d\u548c\uff0c\u53e6\u4e00\u500b\u9375\u4f86\u5b58\u5132\u8a08\u6578\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Redis\u547d\u4ee4\u8a2d\u7f6e\u9019\u4e9b\u9375\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SET total 0\nSET count 0<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e6%9b%b4%e6%96%b0%e7%b8%bd%e5%92%8c%e5%92%8c%e8%a8%88%e6%95%b8-apVIRreLUs\">\u6b65\u9a5f\u4e8c\uff1a\u66f4\u65b0\u7e3d\u548c\u548c\u8a08\u6578<\/h3>\n<p>\u7576\u6211\u5011\u9700\u8981\u6dfb\u52a0\u4e00\u500b\u65b0\u7684\u6578\u503c\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u66f4\u65b0\u7e3d\u548c\u548c\u8a08\u6578\uff1a<\/p>\n<pre><code>INCRBY total \nINCR count<\/code><\/pre>\n<p>\u9019\u88e1\uff0c<code>INCRBY<\/code>\u547d\u4ee4\u7528\u65bc\u5c07\u65b0\u6578\u503c\u6dfb\u52a0\u5230\u7e3d\u548c\u4e2d\uff0c\u800c<code>INCR<\/code>\u547d\u4ee4\u5247\u7528\u65bc\u589e\u52a0\u8a08\u6578\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e8%a8%88%e7%ae%97%e5%b9%b3%e5%9d%87%e5%80%bc-apVIRreLUs\">\u6b65\u9a5f\u4e09\uff1a\u8a08\u7b97\u5e73\u5747\u503c<\/h3>\n<p>\u6700\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u4f86\u8a08\u7b97\u5e73\u5747\u503c\uff1a<\/p>\n<pre><code>GET total\nGET count<\/code><\/pre>\n<p>\u7136\u5f8c\u4f7f\u7528\u9019\u5169\u500b\u503c\u9032\u884c\u8a08\u7b97\uff1a<\/p>\n<pre><code>\u5e73\u5747\u503c = total \/ count<\/code><\/pre>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-apVIRreLUs\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5b8c\u6574\u7684\u793a\u4f8b\u4ee3\u78bc\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5728Redis\u4e2d\u8a08\u7b97\u5e73\u5747\u503c\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u521d\u59cb\u5316\u7e3d\u548c\u548c\u8a08\u6578\nr.set('total', 0)\nr.set('count', 0)\n\n# \u6dfb\u52a0\u6578\u503c\ndef add_value(value):\n    r.incrby('total', value)\n    r.incr('count')\n\n# \u8a08\u7b97\u5e73\u5747\u503c\ndef calculate_average():\n    total = int(r.get('total'))\n    count = int(r.get('count'))\n    if count == 0:\n        return 0\n    return total \/ count\n\n# \u793a\u4f8b\nadd_value(10)\nadd_value(20)\nadd_value(30)\n\naverage = calculate_average()\nprint(f'\u5e73\u5747\u503c: {average}')  # \u8f38\u51fa: \u5e73\u5747\u503c: 20.0<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-apVIRreLUs\">\u7d50\u8ad6<\/h2>\n<p>\u5229\u7528Redis\u4f86\u8a08\u7b97\u5e73\u5747\u503c\u662f\u4e00\u500b\u9ad8\u6548\u4e14\u7c21\u55ae\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u4f7f\u7528\u7e3d\u548c\u548c\u8a08\u6578\u5169\u500b\u9375\uff0c\u6211\u5011\u53ef\u4ee5\u5feb\u901f\u5730\u66f4\u65b0\u548c\u8a08\u7b97\u5e73\u5747\u503c\uff0c\u9019\u5728\u9700\u8981\u5be6\u6642\u6578\u64da\u5206\u6790\u7684\u61c9\u7528\u4e2d\u5c24\u70ba\u91cd\u8981\u3002\u7121\u8ad6\u662f\u7528\u65bc\u7db2\u7ad9\u6d41\u91cf\u5206\u6790\u3001\u7528\u6236\u884c\u70ba\u8ffd\u8e64\uff0c\u9084\u662f\u5176\u4ed6\u9700\u8981\u5feb\u901f\u8a08\u7b97\u7684\u5834\u666f\uff0cRedis\u90fd\u80fd\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u9805\u76ee\u4e2d\u4f7f\u7528Redis\u6709\u8208\u8da3\uff0c\u6216\u8005\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u9ad8\u6548\u8a08\u7b97\u5e73\u5747\u503c\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u901f\u5ea6\uff0c\u5be6\u73fe\u5373\u6642\u5206\u6790\u8207\u6c7a\u7b56\u652f\u6301\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-128755","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128755","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=128755"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128755\/revisions"}],"predecessor-version":[{"id":128756,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128755\/revisions\/128756"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128755"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128755"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}