{"id":137329,"date":"2024-10-31T12:17:23","date_gmt":"2024-10-31T04:17:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/137329\/"},"modified":"2024-10-31T12:17:24","modified_gmt":"2024-10-31T04:17:24","slug":"sql-server-datediff%e5%87%bd%e6%95%b8%e8%aa%9e%e6%b3%95%e4%b8%ad%e7%9a%84%e5%91%bd%e5%90%8d%e5%8f%83%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/137329\/","title":{"rendered":"SQL server DateDiff\u51fd\u6578\u8a9e\u6cd5\u4e2d\u7684\u547d\u540d\u53c3\u6578"},"content":{"rendered":"<h1 id=\"sql-server-datediff%e5%87%bd%e6%95%b8%e8%aa%9e%e6%b3%95%e4%b8%ad%e7%9a%84%e5%91%bd%e5%90%8d%e5%8f%83%e6%95%b8-HZDlZYXgMG\">SQL Server DateDiff\u51fd\u6578\u8a9e\u6cd5\u4e2d\u7684\u547d\u540d\u53c3\u6578<\/h1>\n<p>\u5728SQL Server\u4e2d\uff0c<code>DateDiff<\/code>\u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u80fd\u5920\u8a08\u7b97\u5169\u500b\u65e5\u671f\u4e4b\u9593\u7684\u5dee\u7570\u3002\u9019\u500b\u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5\u662f\uff1a<\/p>\n<pre><code>DateDiff(datepart, startdate, enddate)\n<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>datepart<\/code>\u6307\u5b9a\u4e86\u8981\u8a08\u7b97\u7684\u6642\u9593\u55ae\u4f4d\uff08\u5982\u5e74\u3001\u6708\u3001\u65e5\u7b49\uff09\uff0c<code>startdate<\/code>\u548c<code>enddate<\/code>\u5247\u662f\u8981\u6bd4\u8f03\u7684\u5169\u500b\u65e5\u671f\u3002\u96d6\u7136\u9019\u662f\u6700\u5e38\u898b\u7684\u7528\u6cd5\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u547d\u540d\u53c3\u6578\u53ef\u4ee5\u4f7f\u4ee3\u78bc\u66f4\u52a0\u6e05\u6670\u548c\u6613\u65bc\u7dad\u8b77\u3002<\/p>\n<h2 id=\"%e5%91%bd%e5%90%8d%e5%8f%83%e6%95%b8%e7%9a%84%e6%a6%82%e5%bf%b5-HZDlZYXgMG\">\u547d\u540d\u53c3\u6578\u7684\u6982\u5ff5<\/h2>\n<p>\u547d\u540d\u53c3\u6578\u662f\u4e00\u7a2e\u5728\u51fd\u6578\u8abf\u7528\u6642\uff0c\u901a\u904e\u6307\u5b9a\u53c3\u6578\u540d\u7a31\u4f86\u50b3\u905e\u53c3\u6578\u7684\u65b9\u5f0f\u3002\u9019\u7a2e\u65b9\u5f0f\u7684\u597d\u8655\u5728\u65bc\uff0c\u7121\u9700\u9075\u5faa\u53c3\u6578\u7684\u9806\u5e8f\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u3002\u96d6\u7136SQL Server\u672c\u8eab\u4e0d\u76f4\u63a5\u652f\u6301\u547d\u540d\u53c3\u6578\uff0c\u4f46\u6211\u5011\u53ef\u4ee5\u901a\u904e\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u6216\u7528\u6236\u81ea\u5b9a\u7fa9\u51fd\u6578\u4f86\u5be6\u73fe\u985e\u4f3c\u7684\u6548\u679c\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e5%af%a6%e7%8f%be%e5%91%bd%e5%90%8d%e5%8f%83%e6%95%b8-HZDlZYXgMG\">\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u5be6\u73fe\u547d\u540d\u53c3\u6578<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u4f86\u6a21\u64ec\u547d\u540d\u53c3\u6578\u7684\u6548\u679c\uff1a<\/p>\n<pre><code>CREATE PROCEDURE CalculateDateDiff\n    @DatePart NVARCHAR(10),\n    @StartDate DATETIME,\n    @EndDate DATETIME\nAS\nBEGIN\n    SELECT DATEDIFF(@DatePart, @StartDate, @EndDate) AS DateDifference\nEND\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u5b58\u5132\u904e\u7a0b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e09\u500b\u53c3\u6578\uff1a<code>@DatePart<\/code>\u3001<code>@StartDate<\/code>\u548c<code>@EndDate<\/code>\u3002\u9019\u6a23\uff0c\u6211\u5011\u5728\u8abf\u7528\u5b58\u5132\u904e\u7a0b\u6642\uff0c\u53ef\u4ee5\u4ee5\u4efb\u4f55\u9806\u5e8f\u50b3\u905e\u9019\u4e9b\u53c3\u6578\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u9748\u6d3b\u6027\u3002<\/p>\n<h2 id=\"%e8%aa%bf%e7%94%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84%e7%a4%ba%e4%be%8b-HZDlZYXgMG\">\u8abf\u7528\u5b58\u5132\u904e\u7a0b\u7684\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5982\u4f55\u8abf\u7528\u4e0a\u8ff0\u5b58\u5132\u904e\u7a0b\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>EXEC CalculateDateDiff @StartDate = '2023-01-01', @EndDate = '2023-12-31', @DatePart = 'DAY'\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u6307\u5b9a\u4e86\u958b\u59cb\u65e5\u671f\u548c\u7d50\u675f\u65e5\u671f\uff0c\u4e26\u9078\u64c7\u8a08\u7b97\u5929\u6578\u7684\u5dee\u7570\u3002\u9019\u6a23\u7684\u8abf\u7528\u65b9\u5f0f\u4f7f\u5f97\u4ee3\u78bc\u66f4\u52a0\u6e05\u6670\uff0c\u7279\u5225\u662f\u5728\u53c3\u6578\u8f03\u591a\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h2 id=\"%e5%91%bd%e5%90%8d%e5%8f%83%e6%95%b8%e7%9a%84%e5%84%aa%e5%8b%a2-HZDlZYXgMG\">\u547d\u540d\u53c3\u6578\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u53ef\u8b80\u6027\uff1a<\/strong>\u4f7f\u7528\u547d\u540d\u53c3\u6578\u53ef\u4ee5\u4f7f\u4ee3\u78bc\u66f4\u6613\u65bc\u7406\u89e3\uff0c\u7279\u5225\u662f\u5c0d\u65bc\u5176\u4ed6\u958b\u767c\u8005\u4f86\u8aaa\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u53ef\u4ee5\u96a8\u610f\u8abf\u6574\u53c3\u6578\u7684\u9806\u5e8f\uff0c\u7121\u9700\u64d4\u5fc3\u4f4d\u7f6e\u932f\u8aa4\u3002<\/li>\n<li><strong>\u7dad\u8b77\u6027\uff1a<\/strong>\u5728\u9700\u8981\u4fee\u6539\u6216\u64f4\u5c55\u529f\u80fd\u6642\uff0c\u547d\u540d\u53c3\u6578\u53ef\u4ee5\u6e1b\u5c11\u51fa\u932f\u7684\u6a5f\u6703\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-HZDlZYXgMG\">\u7d50\u8ad6<\/h2>\n<p>\u96d6\u7136SQL Server\u7684<code>DateDiff<\/code>\u51fd\u6578\u672c\u8eab\u4e0d\u652f\u6301\u547d\u540d\u53c3\u6578\uff0c\u4f46\u901a\u904e\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u6216\u7528\u6236\u81ea\u5b9a\u7fa9\u51fd\u6578\uff0c\u6211\u5011\u53ef\u4ee5\u5be6\u73fe\u985e\u4f3c\u7684\u6548\u679c\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u9748\u6d3b\u6027\uff0c\u9084\u4f7f\u5f97\u7dad\u8b77\u548c\u64f4\u5c55\u8b8a\u5f97\u66f4\u52a0\u7c21\u55ae\u3002\u5c0d\u65bc\u9700\u8981\u9032\u884c\u65e5\u671f\u8a08\u7b97\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u5c07\u5927\u6709\u88e8\u76ca\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code>VPS<\/code>\u3001<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u53ca\u5176\u4ed6\u76f8\u95dc\u4e3b\u984c\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3SQL Server DateDiff\u51fd\u6578\u7684\u547d\u540d\u53c3\u6578\u8a9e\u6cd5\uff0c\u638c\u63e1\u5982\u4f55\u6709\u6548\u8a08\u7b97\u65e5\u671f\u4e4b\u9593\u7684\u5dee\u7570\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\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-137329","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/137329","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=137329"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/137329\/revisions"}],"predecessor-version":[{"id":137330,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/137329\/revisions\/137330"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=137329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=137329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=137329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}