{"id":185756,"date":"2024-11-11T00:14:22","date_gmt":"2024-11-10T16:14:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185756\/"},"modified":"2024-11-11T00:14:23","modified_gmt":"2024-11-10T16:14:23","slug":"%e6%95%b8sql-server%e7%b2%be%e6%ba%96%e7%8d%b2%e5%8f%96%e5%91%a8%e6%95%b8%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%88sqlserver%e5%8f%96%e5%91%a8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185756\/","title":{"rendered":"\u6578SQL Server\u7cbe\u6e96\u7372\u53d6\u5468\u6578\u7684\u65b9\u6cd5\uff08sqlserver\u53d6\u5468\uff09"},"content":{"rendered":"

\u6578SQL Server\u7cbe\u6e96\u7372\u53d6\u5468\u6578\u7684\u65b9\u6cd5\uff08sqlserver\u53d6\u5468\uff09<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cSQL Server \u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u8a31\u591a\u696d\u52d9\u9700\u8981\u6839\u64da\u5468\u6578\u4f86\u9032\u884c\u6578\u64da\u5206\u6790\u548c\u5831\u544a\uff0c\u56e0\u6b64\u638c\u63e1\u5982\u4f55\u5728 SQL Server \u4e2d\u7cbe\u6e96\u7372\u53d6\u5468\u6578\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5728 SQL Server \u4e2d\u7372\u53d6\u5468\u6578\u7684\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n

1. \u4f7f\u7528 DATEPART \u51fd\u6578<\/h2>\n

\u5728 SQL Server \u4e2d\uff0cDATEPART<\/code> \u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4f86\u63d0\u53d6\u65e5\u671f\u7684\u7279\u5b9a\u90e8\u5206\uff0c\u5305\u62ec\u5468\u6578\u3002\u5176\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n

DATEPART(datepart, date)<\/code><\/pre>\n
\u5176\u4e2d\uff0cdatepart<\/code> \u53ef\u4ee5\u662f ‘week’ \u6216 ‘wk’\uff0c\u800c date<\/code> \u662f\u8981\u63d0\u53d6\u5468\u6578\u7684\u65e5\u671f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n
SELECT DATEPART(week, GETDATE()) AS CurrentWeek;<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c07\u8fd4\u56de\u7576\u524d\u65e5\u671f\u7684\u5468\u6578\u3002<\/p>\n
2. \u4f7f\u7528 WEEK \u51fd\u6578<\/h2>\n
\u53e6\u4e00\u7a2e\u7372\u53d6\u5468\u6578\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 WEEK<\/code> \u51fd\u6578\u3002\u9019\u500b\u51fd\u6578\u5728\u67d0\u4e9b SQL Server \u7248\u672c\u4e2d\u53ef\u7528\uff0c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
WEEK(date)<\/code><\/pre>\n
\u4f8b\u5982\uff1a<\/p>\n
SELECT WEEK(GETDATE()) AS CurrentWeek;<\/code><\/pre>\n
\u9019\u5c07\u8fd4\u56de\u7576\u524d\u65e5\u671f\u7684\u5468\u6578\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cWEEK<\/code> \u51fd\u6578\u7684\u884c\u70ba\u53ef\u80fd\u6703\u53d7\u5230 SQL Server \u7684\u8a2d\u7f6e\u5f71\u97ff\uff0c\u56e0\u6b64\u5728\u4f7f\u7528\u6642\u9700\u8b39\u614e\u3002<\/p>\n
3. \u4f7f\u7528 ISO \u5468\u6578<\/h2>\n
\u5982\u679c\u9700\u8981\u6839\u64da ISO 8601 \u6a19\u6e96\u4f86\u7372\u53d6\u5468\u6578\uff0c\u53ef\u4ee5\u4f7f\u7528 DATEPART<\/code> \u51fd\u6578\u7684 ‘ISO_WEEK’ \u53c3\u6578\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5468\u6578\u7684\u8a08\u7b97\u7b26\u5408\u570b\u969b\u6a19\u6e96\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
SELECT DATEPART(ISO_WEEK, GETDATE()) AS CurrentISOWeek;<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c07\u8fd4\u56de\u7576\u524d\u65e5\u671f\u7684 ISO \u5468\u6578\uff0c\u9019\u5728\u67d0\u4e9b\u696d\u52d9\u5831\u544a\u4e2d\u53ef\u80fd\u662f\u5fc5\u9700\u7684\u3002<\/p>\n
4. \u81ea\u5b9a\u7fa9\u5468\u6578\u8a08\u7b97<\/h2>\n
\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u696d\u52d9\u53ef\u80fd\u9700\u8981\u6839\u64da\u7279\u5b9a\u7684\u898f\u5247\u4f86\u8a08\u7b97\u5468\u6578\u3002\u4f8b\u5982\uff0c\u67d0\u4e9b\u516c\u53f8\u53ef\u80fd\u6703\u5c07\u6bcf\u5e74\u7684\u7b2c\u4e00\u5468\u5b9a\u7fa9\u70ba\u5305\u542b\u7b2c\u4e00\u500b\u661f\u671f\u56db\u7684\u90a3\u4e00\u5468\u3002\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u8a08\u7b97\uff1a<\/p>\n
\nDECLARE @StartDate DATE = '2023-01-01';\nDECLARE @CurrentDate DATE = GETDATE();\n\nSELECT DATEDIFF(WEEK, @StartDate, @CurrentDate) + 1 AS CustomWeek;\n<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c07\u6839\u64da\u81ea\u5b9a\u7fa9\u7684\u958b\u59cb\u65e5\u671f\u8a08\u7b97\u5468\u6578\u3002<\/p>\n
5. \u7e3d\u7d50<\/h2>\n
\u5728 SQL Server \u4e2d\u7372\u53d6\u5468\u6578\u7684\u65b9\u6cd5\u6709\u591a\u7a2e\uff0c\u5f9e\u4f7f\u7528\u5167\u5efa\u7684 DATEPART<\/code> \u548c WEEK<\/code> \u51fd\u6578\uff0c\u5230\u6839\u64da\u7279\u5b9a\u9700\u6c42\u81ea\u5b9a\u7fa9\u8a08\u7b97\u3002\u6839\u64da\u696d\u52d9\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u5206\u6790\u7684\u6e96\u78ba\u6027\u548c\u6548\u7387\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u7ba1\u7406\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u696d\u52d9\u9700\u6c42\u3002\u7121\u8ad6\u662f \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":"
\u63a2\u7d22\u5728SQL Server\u4e2d\u7cbe\u6e96\u7372\u53d6\u5468\u6578\u7684\u65b9\u6cd5\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u5730\u4f7f\u7528SQL\u67e5\u8a62\u4f86\u63d0\u53d6\u6240\u9700\u7684\u5468\u6578\u8cc7\u8a0a\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-185756","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185756","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=185756"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185756\/revisions"}],"predecessor-version":[{"id":185757,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185756\/revisions\/185757"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}