{"id":187000,"date":"2024-11-11T10:37:27","date_gmt":"2024-11-11T02:37:27","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187000\/"},"modified":"2024-11-11T10:37:29","modified_gmt":"2024-11-11T02:37:29","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%97%a5%e6%9b%86%e8%a1%a8%ef%bc%9a%e8%bc%95%e9%ac%86%e6%87%89%e5%b0%8d%e6%97%a5%e6%9c%9f%e8%99%95%e7%90%86%e9%9c%80%e6%b1%82-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%97%a5%e6%9b%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187000\/","title":{"rendered":"\u6578\u64da\u5eab\u65e5\u66c6\u8868\uff1a\u8f15\u9b06\u61c9\u5c0d\u65e5\u671f\u8655\u7406\u9700\u6c42 (\u6578\u64da\u5eab\u65e5\u66c6\u8868)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%97%a5%e6%9b%86%e8%a1%a8%ef%bc%9a%e8%bc%95%e9%ac%86%e6%87%89%e5%b0%8d%e6%97%a5%e6%9c%9f%e8%99%95%e7%90%86%e9%9c%80%e6%b1%82-aLGgwHPaHU\">\u6578\u64da\u5eab\u65e5\u66c6\u8868\uff1a\u8f15\u9b06\u61c9\u5c0d\u65e5\u671f\u8655\u7406\u9700\u6c42<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u65e5\u671f\u548c\u6642\u9593\u7684\u8655\u7406\u662f\u4e00\u500b\u4e0d\u53ef\u6216\u7f3a\u7684\u90e8\u5206\u3002\u7121\u8ad6\u662f\u7528\u65bc\u8a18\u9304\u4e8b\u4ef6\u3001\u8a08\u7b97\u6301\u7e8c\u6642\u9593\uff0c\u9084\u662f\u751f\u6210\u5831\u544a\uff0c\u6b63\u78ba\u7684\u65e5\u671f\u8655\u7406\u90fd\u81f3\u95dc\u91cd\u8981\u3002\u70ba\u4e86\u7c21\u5316\u9019\u4e00\u904e\u7a0b\uff0c\u6578\u64da\u5eab\u65e5\u66c6\u8868\uff08Calendar 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id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e6%97%a5%e6%9b%86%e8%a1%a8%ef%bc%9f-aLGgwHPaHU\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u65e5\u66c6\u8868\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u65e5\u66c6\u8868\u662f\u4e00\u500b\u5c08\u9580\u7528\u4f86\u5b58\u5132\u65e5\u671f\u548c\u76f8\u95dc\u4fe1\u606f\u7684\u8868\u683c\u3002\u5b83\u901a\u5e38\u5305\u542b\u5f9e\u67d0\u500b\u8d77\u59cb\u65e5\u671f\u5230\u67d0\u500b\u7d50\u675f\u65e5\u671f\u7684\u6240\u6709\u65e5\u671f\uff0c\u4e26\u4e14\u53ef\u4ee5\u9644\u52a0\u5176\u4ed6\u6709\u7528\u7684\u5c6c\u6027\uff0c\u4f8b\u5982\u661f\u671f\u5e7e\u3001\u6708\u4efd\u3001\u5b63\u5ea6\u3001\u5047\u671f\u7b49\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4f7f\u5f97\u5728\u9032\u884c\u65e5\u671f\u67e5\u8a62\u548c\u8a08\u7b97\u6642\u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%97%a5%e6%9b%86%e8%a1%a8%e7%9a%84%e5%84%aa%e5%8b%a2-aLGgwHPaHU\">\u6578\u64da\u5eab\u65e5\u66c6\u8868\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff1a<\/strong>\u4f7f\u7528\u65e5\u66c6\u8868\u53ef\u4ee5\u907f\u514d\u5728\u67e5\u8a62\u6642\u9032\u884c\u8907\u96dc\u7684\u65e5\u671f\u8a08\u7b97\uff0c\u56e0\u70ba\u6240\u6709\u7684\u65e5\u671f\u4fe1\u606f\u90fd\u5df2\u7d93\u9810\u5148\u8a08\u7b97\u597d\u4e26\u5b58\u5132\u5728\u8868\u4e2d\u3002<\/li>\n<li><strong>\u7c21\u5316\u4ee3\u78bc\uff1a<\/strong>\u958b\u767c\u8005\u4e0d\u9700\u8981\u5728\u6bcf\u6b21\u9700\u8981\u65e5\u671f\u6642\u90fd\u9032\u884c\u8a08\u7b97\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u4ee3\u78bc\u7684\u8907\u96dc\u6027\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u53ef\u4ee5\u6839\u64da\u696d\u52d9\u9700\u6c42\u81ea\u5b9a\u7fa9\u65e5\u66c6\u8868\u7684\u5167\u5bb9\uff0c\u4f8b\u5982\u6dfb\u52a0\u5047\u671f\u3001\u7279\u6b8a\u4e8b\u4ef6\u7b49\u3002<\/li>\n<li><strong>\u652f\u6301\u5831\u544a\u751f\u6210\uff1a<\/strong>\u5728\u751f\u6210\u5831\u544a\u6642\uff0c\u53ef\u4ee5\u8f15\u9b06\u5730\u6839\u64da\u65e5\u671f\u7be9\u9078\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u5831\u544a\u7684\u6e96\u78ba\u6027\u548c\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e6%97%a5%e6%9b%86%e8%a1%a8-aLGgwHPaHU\">\u5982\u4f55\u5be6\u73fe\u6578\u64da\u5eab\u65e5\u66c6\u8868<\/h2>\n<p>\u5be6\u73fe\u6578\u64da\u5eab\u65e5\u66c6\u8868\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u6b65\u9a5f\u548c\u793a\u4f8b\u4ee3\u78bc\uff0c\u5c55\u793a\u5982\u4f55\u5728 MySQL \u4e2d\u5275\u5efa\u4e00\u500b\u65e5\u66c6\u8868\uff1a<\/p>\n<pre><code>\nCREATE TABLE calendar (\n    date DATE PRIMARY KEY,\n    day_of_week INT,\n    month INT,\n    quarter INT,\n    is_holiday BOOLEAN\n);\n\nINSERT INTO calendar (date, day_of_week, month, quarter, is_holiday)\nVALUES \n('2023-01-01', 1, 1, 1, TRUE),\n('2023-01-02', 2, 1, 1, FALSE),\n('2023-01-03', 3, 1, 1, FALSE),\n-- \u4f9d\u6b64\u985e\u63a8\uff0c\u63d2\u5165\u6240\u9700\u7684\u65e5\u671f\n;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>calendar<\/code> \u7684\u8868\uff0c\u4e26\u63d2\u5165\u4e86\u4e00\u4e9b\u57fa\u672c\u7684\u65e5\u671f\u4fe1\u606f\u3002\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u8981\u64f4\u5c55\u9019\u500b\u8868\uff0c\u6dfb\u52a0\u66f4\u591a\u7684\u5c6c\u6027\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e6%97%a5%e6%9b%86%e8%a1%a8%e7%9a%84%e5%af%a6%e9%9a%9b%e6%a1%88%e4%be%8b-aLGgwHPaHU\">\u4f7f\u7528\u6578\u64da\u5eab\u65e5\u66c6\u8868\u7684\u5be6\u969b\u6848\u4f8b<\/h2>\n<p>\u5047\u8a2d\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u9700\u8981\u751f\u6210\u6bcf\u6708\u7684\u92b7\u552e\u5831\u544a\u3002\u901a\u904e\u4f7f\u7528\u6578\u64da\u5eab\u65e5\u66c6\u8868\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u67e5\u8a62\u7279\u5b9a\u6708\u4efd\u7684\u6240\u6709\u65e5\u671f\uff0c\u4e26\u8a08\u7b97\u6bcf\u4e00\u5929\u7684\u92b7\u552e\u984d\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nSELECT c.date, SUM(s.amount) AS total_sales\nFROM calendar c\nLEFT JOIN sales s ON c.date = s.sale_date\nWHERE c.month = 1 AND c.year = 2023\nGROUP BY c.date;\n<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de2023\u5e741\u6708\u6bcf\u4e00\u5929\u7684\u92b7\u552e\u7e3d\u984d\uff0c\u5f9e\u800c\u5e6b\u52a9\u7ba1\u7406\u5c64\u5feb\u901f\u4e86\u89e3\u92b7\u552e\u8da8\u52e2\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-aLGgwHPaHU\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u65e5\u66c6\u8868\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u8f15\u9b06\u61c9\u5c0d\u65e5\u671f\u8655\u7406\u7684\u9700\u6c42\u3002\u901a\u904e\u9810\u5148\u8a08\u7b97\u548c\u5b58\u5132\u65e5\u671f\u4fe1\u606f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u7c21\u5316\u4ee3\u78bc\uff0c\u4e26\u652f\u6301\u9748\u6d3b\u7684\u5831\u544a\u751f\u6210\u3002\u7121\u8ad6\u662f\u5728\u96fb\u5b50\u5546\u52d9\u3001\u8ca1\u52d9\u9084\u662f\u5176\u4ed6\u9700\u8981\u65e5\u671f\u8655\u7406\u7684\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u5eab\u65e5\u66c6\u8868\u90fd\u80fd\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6578\u64da\u5eab\u65e5\u66c6\u8868\u63d0\u4f9b\u9ad8\u6548\u7684\u65e5\u671f\u8655\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\uff0c\u63d0\u5347\u5de5\u4f5c\u6548\u7387\uff0c\u6eff\u8db3\u5404\u985e\u65e5\u671f\u9700\u6c42\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-187000","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187000","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=187000"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187000\/revisions"}],"predecessor-version":[{"id":187001,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187000\/revisions\/187001"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187000"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187000"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}