{"id":169327,"date":"2024-11-06T18:43:20","date_gmt":"2024-11-06T10:43:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/169327\/"},"modified":"2024-11-06T18:43:21","modified_gmt":"2024-11-06T10:43:21","slug":"%e7%a7%92%e6%ae%ba%e9%ab%94%e9%a9%97redis-get%e7%8d%b2%e5%8f%96%e6%9c%80%e4%bd%8e%e5%83%b9%ef%bc%88redis%e6%9f%a5%e8%a9%a2get%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/169327\/","title":{"rendered":"\u79d2\u6bba\u9ad4\u9a57Redis Get\u7372\u53d6\u6700\u4f4e\u50f9\uff08redis\u67e5\u8a62get\uff09"},"content":{"rendered":"<h1 id=\"%e7%a7%92%e6%ae%ba%e9%ab%94%e9%a9%97redis-get%e7%8d%b2%e5%8f%96%e6%9c%80%e4%bd%8e%e5%83%b9%ef%bc%88redis%e6%9f%a5%e8%a9%a2get%ef%bc%89-whquyszPeE\">\u79d2\u6bba\u9ad4\u9a57Redis Get\u7372\u53d6\u6700\u4f4e\u50f9\uff08redis\u67e5\u8a62get\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u5c0d\u65bc\u4f01\u696d\u7684\u6210\u529f\u81f3\u95dc\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u7684GET\u547d\u4ee4\u4f86\u7372\u53d6\u6700\u4f4e\u50f9\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%ef%bc%9f-whquyszPeE\">\u4ec0\u9ebc\u662fRedis\uff1f<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u7a2e\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\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u591a\u7a2e\u6578\u64da\u985e\u578b\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u901f\u5ea6\uff0cRedis\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"redis%e7%9a%84get%e5%91%bd%e4%bb%a4-whquyszPeE\">Redis\u7684GET\u547d\u4ee4<\/h2>\n<p>GET\u547d\u4ee4\u662fRedis\u4e2d\u6700\u57fa\u672c\u7684\u64cd\u4f5c\u4e4b\u4e00\uff0c\u7528\u65bc\u5f9e\u6578\u64da\u5eab\u4e2d\u7372\u53d6\u6307\u5b9a\u9375\u7684\u503c\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>GET key<\/code><\/pre>\n<p>\u7576\u57f7\u884cGET\u547d\u4ee4\u6642\uff0cRedis\u6703\u67e5\u627e\u6307\u5b9a\u7684\u9375\uff0c\u4e26\u8fd4\u56de\u5176\u5c0d\u61c9\u7684\u503c\u3002\u5982\u679c\u8a72\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56denil\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e7%8d%b2%e5%8f%96%e6%9c%80%e4%bd%8e%e5%83%b9-whquyszPeE\">\u5982\u4f55\u4f7f\u7528Redis\u7372\u53d6\u6700\u4f4e\u50f9<\/h2>\n<p>\u5728\u8a31\u591a\u61c9\u7528\u5834\u666f\u4e2d\uff0c\u7372\u53d6\u6700\u4f4e\u50f9\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u5728\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4e2d\uff0c\u5546\u5bb6\u53ef\u80fd\u9700\u8981\u5feb\u901f\u67e5\u8a62\u67d0\u4e00\u5546\u54c1\u7684\u6700\u4f4e\u50f9\u683c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Redis\u4f86\u7372\u53d6\u6700\u4f4e\u50f9\u7684\u793a\u4f8b\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e7%8d%b2%e5%8f%96%e5%95%86%e5%93%81%e7%9a%84%e6%9c%80%e4%bd%8e%e5%83%b9-whquyszPeE\">\u793a\u4f8b\uff1a\u7372\u53d6\u5546\u54c1\u7684\u6700\u4f4e\u50f9<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u5546\u54c1\u50f9\u683c\u7684\u6578\u64da\u7d50\u69cb\uff0c\u4f7f\u7528Redis\u7684\u54c8\u5e0c\u985e\u578b\u4f86\u5b58\u5132\u6bcf\u500b\u5546\u54c1\u7684\u50f9\u683c\u3002\u9996\u5148\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u5546\u54c1\u50f9\u683c\u5b58\u5132\u5728Redis\u4e2d\uff1a<\/p>\n<pre><code>HSET product:1001 price 299\nHSET product:1002 price 199\nHSET product:1003 price 399<\/code><\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528GET\u547d\u4ee4\u4f86\u7372\u53d6\u6bcf\u500b\u5546\u54c1\u7684\u50f9\u683c\uff0c\u4e26\u8a08\u7b97\u6700\u4f4e\u50f9\uff1a<\/p>\n<pre><code>price1 = HGET product:1001 price\nprice2 = HGET product:1002 price\nprice3 = HGET product:1003 price\n\nmin_price = min(price1, price2, price3)<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u9996\u5148\u7372\u53d6\u4e09\u500b\u5546\u54c1\u7684\u50f9\u683c\uff0c\u7136\u5f8c\u4f7f\u7528Python\u7684min\u51fd\u6578\u8a08\u7b97\u6700\u4f4e\u50f9\u3002\u9019\u7a2e\u65b9\u6cd5\u96d6\u7136\u7c21\u55ae\uff0c\u4f46\u5728\u5546\u54c1\u6578\u91cf\u8f03\u591a\u6642\uff0c\u6548\u7387\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8redis%e7%9a%84sorted-set%e4%be%86%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2-whquyszPeE\">\u4f7f\u7528Redis\u7684Sorted Set\u4f86\u512a\u5316\u67e5\u8a62<\/h2>\n<p>\u70ba\u4e86\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u4f86\u5b58\u5132\u5546\u54c1\u50f9\u683c\u3002\u9019\u6a23\uff0c\u6211\u5011\u53ef\u4ee5\u5229\u7528\u6709\u5e8f\u96c6\u5408\u7684\u7279\u6027\u5feb\u901f\u7372\u53d6\u6700\u4f4e\u50f9\u3002<\/p>\n<pre><code>ZADD products 299 product:1001\nZADD products 199 product:1002\nZADD products 399 product:1003<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528ZRANGE\u547d\u4ee4\u4f86\u7372\u53d6\u50f9\u683c\u6700\u4f4e\u7684\u5546\u54c1\uff1a<\/p>\n<pre><code>ZRANGE products 0 0 WITHSCORES<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u8fd4\u56de\u50f9\u683c\u6700\u4f4e\u7684\u5546\u54c1\u53ca\u5176\u50f9\u683c\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-whquyszPeE\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684Redis\u6578\u64da\u7d50\u69cb\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6e05\u7406\u6578\u64da\uff1a<\/strong>\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6216\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\uff0c\u4ee5\u4fdd\u6301\u6578\u64da\u5eab\u7684\u9ad8\u6548\u904b\u884c\u3002<\/li>\n<li><strong>\u76e3\u63a7\u6027\u80fd\uff1a<\/strong>\u4f7f\u7528Redis\u7684\u76e3\u63a7\u5de5\u5177\uff0c\u5b9a\u671f\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u6027\u80fd\u6307\u6a19\uff0c\u53ca\u6642\u8abf\u6574\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-whquyszPeE\">\u7e3d\u7d50<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u5feb\u901f\u7372\u53d6\u6240\u9700\u6578\u64da\u3002\u5728\u7372\u53d6\u6700\u4f4e\u50f9\u7684\u5834\u666f\u4e2d\uff0c\u5408\u7406\u4f7f\u7528GET\u547d\u4ee4\u548c\u6709\u5e8f\u96c6\u5408\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u5b58\u53d6\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7121\u8ad6\u662f\u9078\u64c7 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u90fd\u80fd\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u79d2\u6bba\u9ad4\u9a57Redis Get\u7372\u53d6\u6700\u4f4e\u50f9\uff0c\u5feb\u901f\u67e5\u8a62\u5546\u54c1\u50f9\u683c\uff0c\u63d0\u5347\u8cfc\u7269\u6548\u7387\uff0c\u8b93\u60a8\u8f15\u9b06\u6436\u8cfc\u5fc3\u5100\u5546\u54c1\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-169327","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169327","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=169327"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169327\/revisions"}],"predecessor-version":[{"id":169328,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169327\/revisions\/169328"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=169327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=169327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=169327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}