{"id":182536,"date":"2024-11-09T23:16:19","date_gmt":"2024-11-09T15:16:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182536\/"},"modified":"2024-11-09T23:16:19","modified_gmt":"2024-11-09T15:16:19","slug":"%e6%99%82%e9%96%93%e7%af%84%e5%9c%8d%e5%85%a7%e6%95%b8%e6%93%9a%e6%9f%a5%e8%a9%a2%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%bf%85%e5%82%99%e6%8a%80%e8%83%bd%ef%bc%88%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182536\/","title":{"rendered":"\u6642\u9593\u7bc4\u570d\u5167\u6578\u64da\u67e5\u8a62\uff1a\u6578\u64da\u5eab\u7684\u5fc5\u5099\u6280\u80fd\uff08\u6578\u64da\u5eab\u67e5\u8a62\u4e00\u6bb5\u6642\u9593\u5167\u7684\u6578\u64da\uff09"},"content":{"rendered":"<h1 id=\"%e6%99%82%e9%96%93%e7%af%84%e5%9c%8d%e5%85%a7%e6%95%b8%e6%93%9a%e6%9f%a5%e8%a9%a2%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%bf%85%e5%82%99%e6%8a%80%e8%83%bd-LVQvqTRYge\">\u6642\u9593\u7bc4\u570d\u5167\u6578\u64da\u67e5\u8a62\uff1a\u6578\u64da\u5eab\u7684\u5fc5\u5099\u6280\u80fd<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u67e5\u8a62\u7684\u80fd\u529b\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u5c24\u5176\u662f\u5728\u9700\u8981\u5206\u6790\u7279\u5b9a\u6642\u9593\u7bc4\u570d\u5167\u7684\u6578\u64da\u6642\uff0c\u638c\u63e1\u9019\u9805\u6280\u80fd\u5c0d\u65bc\u6578\u64da\u5206\u6790\u5e2b\u548c\u958b\u767c\u8005\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u7279\u5b9a\u6642\u9593\u7bc4\u570d\u5167\u7684\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6280\u5de7\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%99%82%e9%96%93%e7%af%84%e5%9c%8d%e5%85%a7%e7%9a%84%e6%95%b8%e6%93%9a%e6%9f%a5%e8%a9%a2%ef%bc%9f-LVQvqTRYge\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6642\u9593\u7bc4\u570d\u5167\u7684\u6578\u64da\u67e5\u8a62\uff1f<\/h2>\n<p>\u6642\u9593\u7bc4\u570d\u5167\u7684\u6578\u64da\u67e5\u8a62\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u548c\u500b\u4eba\u5206\u6790\u8da8\u52e2\u3001\u76e3\u63a7\u6027\u80fd\u548c\u505a\u51fa\u6578\u64da\u9a45\u52d5\u7684\u6c7a\u7b56\u3002\u4f8b\u5982\uff0c\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u53ef\u80fd\u5e0c\u671b\u5206\u6790\u904e\u53bb\u4e00\u500b\u6708\u7684\u92b7\u552e\u6578\u64da\uff0c\u4ee5\u8a55\u4f30\u4fc3\u92b7\u6d3b\u52d5\u7684\u6548\u679c\u3002\u901a\u904e\u67e5\u8a62\u7279\u5b9a\u6642\u9593\u7bc4\u570d\u5167\u7684\u6578\u64da\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u7372\u5f97\u66f4\u5177\u9ad4\u548c\u6709\u610f\u7fa9\u7684\u898b\u89e3\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e7%9a%84%e6%99%82%e9%96%93%e7%af%84%e5%9c%8d%e6%9f%a5%e8%a9%a2-LVQvqTRYge\">\u57fa\u672c\u7684\u6642\u9593\u7bc4\u570d\u67e5\u8a62<\/h2>\n<p>\u5728\u5927\u591a\u6578\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e2d\uff0c\u67e5\u8a62\u7279\u5b9a\u6642\u9593\u7bc4\u570d\u5167\u7684\u6578\u64da\u901a\u5e38\u6d89\u53ca\u4f7f\u7528 <code>WHERE<\/code> \u5b50\u53e5\u4f86\u904e\u6ffe\u65e5\u671f\u6216\u6642\u9593\u5b57\u6bb5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684 SQL \u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM sales\nWHERE sale_date BETWEEN '2023-01-01' AND '2023-01-31';<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5f9e <code>sales<\/code> \u8868\u4e2d\u9078\u64c7\u4e86\u6240\u6709\u5728 2023 \u5e74 1 \u6708 1 \u65e5\u5230 2023 \u5e74 1 \u6708 31 \u65e5\u4e4b\u9593\u7684\u92b7\u552e\u8a18\u9304\u3002\u4f7f\u7528 <code>BETWEEN<\/code> \u95dc\u9375\u5b57\u53ef\u4ee5\u65b9\u4fbf\u5730\u6307\u5b9a\u4e00\u500b\u7bc4\u570d\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e6%97%a5%e6%9c%9f%e5%87%bd%e6%95%b8%e9%80%b2%e8%a1%8c%e6%9f%a5%e8%a9%a2-LVQvqTRYge\">\u4f7f\u7528\u65e5\u671f\u51fd\u6578\u9032\u884c\u67e5\u8a62<\/h2>\n<p>\u8a31\u591a\u6578\u64da\u5eab\u7cfb\u7d71\u63d0\u4f9b\u4e86\u65e5\u671f\u51fd\u6578\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u66f4\u9748\u6d3b\u5730\u67e5\u8a62\u6642\u9593\u7bc4\u570d\u5167\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5728 MySQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>DATE_SUB<\/code> \u51fd\u6578\u4f86\u67e5\u8a62\u904e\u53bb\u4e00\u500b\u6708\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT * FROM sales\nWHERE sale_date &gt;= DATE_SUB(CURDATE(), INTERVAL 1 MONTH);<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u5728\u904e\u53bb\u4e00\u500b\u6708\u5167\u7684\u92b7\u552e\u8a18\u9304\uff0c\u7121\u9700\u624b\u52d5\u6307\u5b9a\u5177\u9ad4\u7684\u65e5\u671f\u7bc4\u570d\u3002<\/p>\n<h2 id=\"%e8%99%95%e7%90%86%e6%99%82%e9%96%93%e6%88%b3%e5%92%8c%e6%99%82%e5%8d%80-LVQvqTRYge\">\u8655\u7406\u6642\u9593\u6233\u548c\u6642\u5340<\/h2>\n<p>\u5728\u8655\u7406\u6642\u9593\u7bc4\u570d\u67e5\u8a62\u6642\uff0c\u7279\u5225\u662f\u5728\u6d89\u53ca\u591a\u500b\u6642\u5340\u7684\u61c9\u7528\u4e2d\uff0c\u6642\u9593\u6233\u7684\u7ba1\u7406\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u78ba\u4fdd\u6240\u6709\u7684\u6642\u9593\u6578\u64da\u90fd\u4ee5\u7d71\u4e00\u7684\u683c\u5f0f\u5b58\u5132\uff0c\u4e26\u5728\u67e5\u8a62\u6642\u8003\u616e\u5230\u6642\u5340\u7684\u5f71\u97ff\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 UTC \u6642\u9593\u6233\u53ef\u4ee5\u907f\u514d\u56e0\u6642\u5340\u5dee\u7570\u800c\u5c0e\u81f4\u7684\u6578\u64da\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-LVQvqTRYge\">\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u5728\u67e5\u8a62\u5927\u91cf\u6578\u64da\u6642\uff0c\u6027\u80fd\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u56e0\u7d20\u3002\u70ba\u4e86\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u70ba\u65e5\u671f\u6216\u6642\u9593\u5b57\u6bb5\u5efa\u7acb\u7d22\u5f15\uff0c\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li>\u907f\u514d\u4f7f\u7528 <code>SELECT *<\/code>\uff0c\u800c\u662f\u9078\u64c7\u9700\u8981\u7684\u5b57\u6bb5\uff0c\u4ee5\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u91cf\u3002<\/li>\n<li>\u4f7f\u7528\u805a\u5408\u51fd\u6578\uff08\u5982 <code>COUNT<\/code>\u3001<code>SUM<\/code> \u7b49\uff09\u4f86\u6e1b\u5c11\u8fd4\u56de\u7684\u6578\u64da\u91cf\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-LVQvqTRYge\">\u7d50\u8ad6<\/h2>\n<p>\u638c\u63e1\u6642\u9593\u7bc4\u570d\u5167\u7684\u6578\u64da\u67e5\u8a62\u6280\u80fd\u5c0d\u65bc\u6578\u64da\u5206\u6790\u548c\u696d\u52d9\u6c7a\u7b56\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528 SQL \u67e5\u8a62\u3001\u65e5\u671f\u51fd\u6578\u4ee5\u53ca\u8003\u616e\u6027\u80fd\u512a\u5316\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u6709\u6548\u5730\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u6709\u50f9\u503c\u7684\u4fe1\u606f\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u9019\u4e9b\u6280\u80fd\u5c07\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\uff0c\u5e6b\u52a9\u4f01\u696d\u5728\u7af6\u722d\u4e2d\u4fdd\u6301\u512a\u52e2\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\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1\u6642\u9593\u7bc4\u570d\u5167\u6578\u64da\u67e5\u8a62\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u5eab\u64cd\u4f5c\u80fd\u529b\uff0c\u7cbe\u78ba\u63d0\u53d6\u7279\u5b9a\u6642\u9593\u6bb5\u7684\u6578\u64da\uff0c\u52a9\u529b\u6578\u64da\u5206\u6790\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-182536","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182536","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=182536"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182536\/revisions"}],"predecessor-version":[{"id":182537,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182536\/revisions\/182537"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=182536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=182536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=182536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}