{"id":137263,"date":"2024-10-31T12:14:24","date_gmt":"2024-10-31T04:14:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/137263\/"},"modified":"2024-10-31T12:14:25","modified_gmt":"2024-10-31T04:14:25","slug":"sql-server-convert%e5%87%bd%e6%95%b8%e6%97%a5%e6%9c%9f%e6%a0%bc%e5%bc%8f%e5%8c%96%e7%9a%84%e6%87%89%e7%94%a8%e4%bb%a3%e7%a2%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/137263\/","title":{"rendered":"SQL Server convert\u51fd\u6578\u65e5\u671f\u683c\u5f0f\u5316\u7684\u61c9\u7528\u4ee3\u78bc"},"content":{"rendered":"<h1 id=\"sql-server-convert%e5%87%bd%e6%95%b8%e6%97%a5%e6%9c%9f%e6%a0%bc%e5%bc%8f%e5%8c%96%e7%9a%84%e6%87%89%e7%94%a8%e4%bb%a3%e7%a2%bc-dsevToWRCA\">SQL Server convert\u51fd\u6578\u65e5\u671f\u683c\u5f0f\u5316\u7684\u61c9\u7528\u4ee3\u78bc<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u65e5\u671f\u548c\u6642\u9593\u7684\u683c\u5f0f\u5316\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002SQL Server\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u8655\u7406\u65e5\u671f\u548c\u6642\u9593\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u5c31\u662f<strong>CONVERT<\/strong>\u51fd\u6578\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0eSQL Server\u4e2d\u7684CONVERT\u51fd\u6578\uff0c\u7279\u5225\u662f\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u683c\u5f0f\u5316\u65e5\u671f\u3002<\/p>\n<h2 id=\"convert%e5%87%bd%e6%95%b8%e6%a6%82%e8%bf%b0-dsevToWRCA\">CONVERT\u51fd\u6578\u6982\u8ff0<\/h2>\n<p>CONVERT\u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CONVERT(data_type, expression, style)<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<strong>data_type<\/strong>\u662f\u8981\u8f49\u63db\u7684\u6578\u64da\u985e\u578b\uff0c<strong>expression<\/strong>\u662f\u8981\u8f49\u63db\u7684\u503c\uff0c\u800c<strong>style<\/strong>\u5247\u662f\u6307\u5b9a\u8f49\u63db\u683c\u5f0f\u7684\u9078\u9805\u3002\u5c0d\u65bc\u65e5\u671f\u683c\u5f0f\u5316\uff0cstyle\u53c3\u6578\u7279\u5225\u91cd\u8981\uff0c\u56e0\u70ba\u5b83\u6c7a\u5b9a\u4e86\u8f38\u51fa\u7684\u65e5\u671f\u683c\u5f0f\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e7%94%a8%e7%9a%84%e6%97%a5%e6%9c%9f%e6%a0%bc%e5%bc%8f%e5%8c%96%e6%a8%a3%e5%bc%8f-dsevToWRCA\">\u5e38\u7528\u7684\u65e5\u671f\u683c\u5f0f\u5316\u6a23\u5f0f<\/h2>\n<p>SQL Server\u63d0\u4f9b\u4e86\u591a\u7a2e\u65e5\u671f\u683c\u5f0f\u5316\u6a23\u5f0f\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6a23\u5f0f\u4ee3\u78bc\uff1a<\/p>\n<ul>\n<li><strong>1<\/strong> &#8211; MM\/DD\/YY<\/li>\n<li><strong>3<\/strong> &#8211; DD\/MM\/YY<\/li>\n<li><strong>10<\/strong> &#8211; MM-DD-YYYY<\/li>\n<li><strong>11<\/strong> &#8211; YY\/MM\/DD<\/li>\n<li><strong>20<\/strong> &#8211; YYYY-MM-DD<\/li>\n<li><strong>21<\/strong> &#8211; YYYY-MM-DD HH:MI:SS<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-dsevToWRCA\">\u4f7f\u7528\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528CONVERT\u51fd\u6578\u9032\u884c\u65e5\u671f\u683c\u5f0f\u5316\u7684\u7bc4\u4f8b\uff1a<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b1%ef%bc%9a%e5%b0%87%e7%95%b6%e5%89%8d%e6%97%a5%e6%9c%9f%e6%a0%bc%e5%bc%8f%e5%8c%96%e7%82%bayyyy-mm-dd-dsevToWRCA\">\u7bc4\u4f8b1\uff1a\u5c07\u7576\u524d\u65e5\u671f\u683c\u5f0f\u5316\u70baYYYY-MM-DD<\/h3>\n<pre><code>SELECT CONVERT(VARCHAR(10), GETDATE(), 20) AS FormattedDate;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u7576\u524d\u65e5\u671f\u683c\u5f0f\u5316\u70baYYYY-MM-DD\u683c\u5f0f\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b2%ef%bc%9a%e5%b0%87%e6%97%a5%e6%9c%9f%e6%a0%bc%e5%bc%8f%e5%8c%96%e7%82%badd-mm-yyyy-dsevToWRCA\">\u7bc4\u4f8b2\uff1a\u5c07\u65e5\u671f\u683c\u5f0f\u5316\u70baDD\/MM\/YYYY<\/h3>\n<pre><code>SELECT CONVERT(VARCHAR(10), GETDATE(), 3) AS FormattedDate;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u7576\u524d\u65e5\u671f\u683c\u5f0f\u5316\u70baDD\/MM\/YYYY\u683c\u5f0f\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b3%ef%bc%9a%e5%b0%87%e6%97%a5%e6%9c%9f%e5%92%8c%e6%99%82%e9%96%93%e6%a0%bc%e5%bc%8f%e5%8c%96-dsevToWRCA\">\u7bc4\u4f8b3\uff1a\u5c07\u65e5\u671f\u548c\u6642\u9593\u683c\u5f0f\u5316<\/h3>\n<pre><code>SELECT CONVERT(VARCHAR(19), GETDATE(), 21) AS FormattedDateTime;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u7576\u524d\u65e5\u671f\u548c\u6642\u9593\u683c\u5f0f\u5316\u70baYYYY-MM-DD HH:MI:SS\u683c\u5f0f\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-dsevToWRCA\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528CONVERT\u51fd\u6578\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u9078\u64c7\u5408\u9069\u7684data_type\uff1a\u901a\u5e38\u4f7f\u7528VARCHAR\u6216CHAR\u4f86\u5b58\u5132\u683c\u5f0f\u5316\u5f8c\u7684\u65e5\u671f\u3002<\/li>\n<li>style\u53c3\u6578\u7684\u9078\u64c7\uff1a\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684style\uff0c\u4ee5\u78ba\u4fdd\u8f38\u51fa\u7684\u65e5\u671f\u683c\u5f0f\u7b26\u5408\u9810\u671f\u3002<\/li>\n<li>\u6027\u80fd\u8003\u91cf\uff1a\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\uff0c\u904e\u591a\u7684\u683c\u5f0f\u5316\u64cd\u4f5c\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\uff0c\u56e0\u6b64\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-dsevToWRCA\">\u7d50\u8ad6<\/h2>\n<p>SQL Server\u7684CONVERT\u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u9748\u6d3b\u5730\u683c\u5f0f\u5316\u65e5\u671f\u548c\u6642\u9593\u3002\u901a\u904e\u9078\u64c7\u5408\u9069\u7684style\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u751f\u6210\u5404\u7a2e\u683c\u5f0f\u7684\u65e5\u671f\u8f38\u51fa\u3002\u7121\u8ad6\u662f\u5728\u5831\u544a\u751f\u6210\u3001\u6578\u64da\u5206\u6790\u9084\u662f\u7528\u6236\u754c\u9762\u5c55\u793a\u4e2d\uff0c\u6b63\u78ba\u7684\u65e5\u671f\u683c\u5f0f\u5316\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u7ba1\u7406\u60a8\u7684\u6578\u64da\u5eab\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22SQL Server\u4e2dconvert\u51fd\u6578\u7684\u65e5\u671f\u683c\u5f0f\u5316\u61c9\u7528\u4ee3\u78bc\uff0c\u8f15\u9b06\u8655\u7406\u548c\u986f\u793a\u65e5\u671f\u6578\u64da\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-137263","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/137263","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=137263"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/137263\/revisions"}],"predecessor-version":[{"id":137264,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/137263\/revisions\/137264"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=137263"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=137263"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=137263"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}