{"id":99288,"date":"2024-10-21T09:43:17","date_gmt":"2024-10-21T01:43:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/99288\/"},"modified":"2024-10-21T09:43:18","modified_gmt":"2024-10-21T01:43:18","slug":"redis-%e6%b5%ae%e9%bb%9e%e6%95%b8%e8%a8%ad%e5%ae%9a%e6%96%b9%e6%b3%95%e6%8e%a2%e7%a9%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/99288\/","title":{"rendered":"Redis \u6d6e\u9ede\u6578\u8a2d\u5b9a\u65b9\u6cd5\u63a2\u7a76"},"content":{"rendered":"<h1 id=\"redis-%e6%b5%ae%e9%bb%9e%e6%95%b8%e8%a8%ad%e5%ae%9a%e6%96%b9%e6%b3%95%e6%8e%a2%e7%a9%b6-YjJflfRGox\">Redis \u6d6e\u9ede\u6578\u8a2d\u5b9a\u65b9\u6cd5\u63a2\u7a76<\/h1>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u5176\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u5176\u4e2d\u6d6e\u9ede\u6578\u7684\u8655\u7406\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u4e2d\u6d6e\u9ede\u6578\u7684\u8a2d\u5b9a\u65b9\u6cd5\u53ca\u5176\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%b5%ae%e9%bb%9e%e6%95%b8%ef%bc%9f-YjJflfRGox\">\u4ec0\u9ebc\u662f\u6d6e\u9ede\u6578\uff1f<\/h2>\n<p>\u6d6e\u9ede\u6578\u662f\u4e00\u7a2e\u7528\u65bc\u8868\u793a\u5be6\u6578\u7684\u6578\u64da\u985e\u578b\uff0c\u901a\u5e38\u7528\u65bc\u9700\u8981\u9ad8\u7cbe\u5ea6\u8a08\u7b97\u7684\u5834\u5408\u3002\u5728 Redis \u4e2d\uff0c\u6d6e\u9ede\u6578\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u5404\u7a2e\u6578\u64da\uff0c\u5982\u50f9\u683c\u3001\u6eab\u5ea6\u7b49\uff0c\u9019\u4e9b\u6578\u64da\u901a\u5e38\u9700\u8981\u5c0f\u6578\u9ede\u5f8c\u7684\u7cbe\u78ba\u5ea6\u3002<\/p>\n<h2 id=\"redis-%e4%b8%ad%e7%9a%84%e6%b5%ae%e9%bb%9e%e6%95%b8%e6%93%8d%e4%bd%9c-YjJflfRGox\">Redis \u4e2d\u7684\u6d6e\u9ede\u6578\u64cd\u4f5c<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u6d6e\u9ede\u6578\u7684\u64cd\u4f5c\u4e3b\u8981\u901a\u904e\u547d\u4ee4\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><code>SET key value<\/code>\uff1a\u8a2d\u7f6e\u9375\u7684\u503c\u70ba\u6d6e\u9ede\u6578\u3002<\/li>\n<li><code>GET key<\/code>\uff1a\u7372\u53d6\u9375\u7684\u503c\uff0c\u8fd4\u56de\u6d6e\u9ede\u6578\u3002<\/li>\n<li><code>INCRBYFLOAT key increment<\/code>\uff1a\u5c07\u9375\u7684\u503c\u589e\u52a0\u6307\u5b9a\u7684\u6d6e\u9ede\u6578\u3002<\/li>\n<li><code>DECRBYFLOAT key decrement<\/code>\uff1a\u5c07\u9375\u7684\u503c\u6e1b\u5c11\u6307\u5b9a\u7684\u6d6e\u9ede\u6578\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e8%a8%ad%e7%bd%ae%e5%92%8c%e6%93%8d%e4%bd%9c%e6%b5%ae%e9%bb%9e%e6%95%b8-YjJflfRGox\">\u793a\u4f8b\uff1a\u8a2d\u7f6e\u548c\u64cd\u4f5c\u6d6e\u9ede\u6578<\/h3>\n<pre><code>\n# \u8a2d\u7f6e\u6d6e\u9ede\u6578\nSET temperature 36.6\n\n# \u7372\u53d6\u6d6e\u9ede\u6578\nGET temperature\n# \u8fd4\u56de\uff1a36.6\n\n# \u589e\u52a0\u6d6e\u9ede\u6578\nINCRBYFLOAT temperature 0.5\n# \u7372\u53d6\u65b0\u7684\u503c\nGET temperature\n# \u8fd4\u56de\uff1a37.1\n\n# \u6e1b\u5c11\u6d6e\u9ede\u6578\nDECRBYFLOAT temperature 1.1\n# \u7372\u53d6\u65b0\u7684\u503c\nGET temperature\n# \u8fd4\u56de\uff1a36.0\n<\/code><\/pre>\n<h2 id=\"%e6%b5%ae%e9%bb%9e%e6%95%b8%e7%9a%84%e7%b2%be%e5%ba%a6%e5%95%8f%e9%a1%8c-YjJflfRGox\">\u6d6e\u9ede\u6578\u7684\u7cbe\u5ea6\u554f\u984c<\/h2>\n<p>\u5728\u4f7f\u7528\u6d6e\u9ede\u6578\u6642\uff0c\u7cbe\u5ea6\u554f\u984c\u662f\u958b\u767c\u8005\u9700\u8981\u7279\u5225\u6ce8\u610f\u7684\u3002\u7531\u65bc\u6d6e\u9ede\u6578\u5728\u8a08\u7b97\u6a5f\u4e2d\u662f\u4ee5\u4e8c\u9032\u5236\u5f62\u5f0f\u5b58\u5132\u7684\uff0c\u67d0\u4e9b\u5341\u9032\u5236\u6578\u5b57\u7121\u6cd5\u7cbe\u78ba\u8868\u793a\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u8a08\u7b97\u7d50\u679c\u51fa\u73fe\u8aa4\u5dee\u3002\u56e0\u6b64\uff0c\u5728\u9032\u884c\u6d6e\u9ede\u6578\u8a08\u7b97\u6642\uff0c\u5efa\u8b70\u4f7f\u7528\u9069\u7576\u7684\u56db\u6368\u4e94\u5165\u65b9\u6cd5\u4f86\u6e1b\u5c11\u8aa4\u5dee\u3002<\/p>\n<h3 id=\"%e5%9b%9b%e6%8d%a8%e4%ba%94%e5%85%a5%e7%a4%ba%e4%be%8b-YjJflfRGox\">\u56db\u6368\u4e94\u5165\u793a\u4f8b<\/h3>\n<pre><code>\n# \u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u6d6e\u9ede\u6578\nSET price 19.99\n\n# \u589e\u52a0\u6d6e\u9ede\u6578\nINCRBYFLOAT price 0.005\n# \u7372\u53d6\u65b0\u7684\u503c\nGET price\n# \u53ef\u80fd\u8fd4\u56de\uff1a20.0\uff0c\u4f46\u5be6\u969b\u4e0a\u53ef\u80fd\u662f20.00000000000001\n\n# \u4f7f\u7528\u56db\u6368\u4e94\u5165\nSET price_rounded (ROUND(price, 2))\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-YjJflfRGox\">\u7d50\u8ad6<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u6d6e\u9ede\u6578\u64cd\u4f5c\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9032\u884c\u8a2d\u7f6e\u548c\u8a08\u7b97\u3002\u7136\u800c\uff0c\u6d6e\u9ede\u6578\u7684\u7cbe\u5ea6\u554f\u984c\u4e0d\u5bb9\u5ffd\u8996\uff0c\u61c9\u8a72\u63a1\u53d6\u9069\u7576\u7684\u63aa\u65bd\u4f86\u78ba\u4fdd\u8a08\u7b97\u7684\u6e96\u78ba\u6027\u3002\u900f\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u5e0c\u671b\u80fd\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528 Redis \u4e2d\u7684\u6d6e\u9ede\u6578\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u4e2d\u6d6e\u9ede\u6578\u8a2d\u5b9a\u65b9\u6cd5\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406\u548c\u64cd\u4f5c\u6d6e\u9ede\u6578\u8cc7\u6599\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\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-99288","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99288","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=99288"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99288\/revisions"}],"predecessor-version":[{"id":99289,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99288\/revisions\/99289"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=99288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=99288"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=99288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}