{"id":161125,"date":"2024-11-04T03:49:23","date_gmt":"2024-11-03T19:49:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161125\/"},"modified":"2024-11-04T03:49:24","modified_gmt":"2024-11-03T19:49:24","slug":"%e7%8d%b2%e5%8f%96%e7%95%b6%e5%89%8d%e7%b3%bb%e7%b5%b1%e5%b9%b4%e4%bb%bd%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e8%aa%9e%e5%8f%a5-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e7%8d%b2%e5%8f%96%e7%95%b6%e5%89%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161125\/","title":{"rendered":"\u7372\u53d6\u7576\u524d\u7cfb\u7d71\u5e74\u4efd\uff1a\u6578\u64da\u5eab\u8a9e\u53e5 (\u6578\u64da\u5eab\u7684\u7372\u53d6\u7576\u524d\u7cfb\u7d71\u5e74\u4efd\u7684\u8a9e\u53e5)"},"content":{"rendered":"<h1 id=\"%e7%8d%b2%e5%8f%96%e7%95%b6%e5%89%8d%e7%b3%bb%e7%b5%b1%e5%b9%b4%e4%bb%bd%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e8%aa%9e%e5%8f%a5-LYEOwHQEnh\">\u7372\u53d6\u7576\u524d\u7cfb\u7d71\u5e74\u4efd\uff1a\u6578\u64da\u5eab\u8a9e\u53e5<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7372\u53d6\u7576\u524d\u7cfb\u7d71\u5e74\u4efd\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u9032\u884c\u6642\u9593\u6233\u8a18\u3001\u5831\u544a\u751f\u6210\u6216\u6578\u64da\u5206\u6790\u7684\u60c5\u6cc1\u4e0b\u3002\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u8a9e\u6cd5\u4f86\u7372\u53d6\u7576\u524d\u5e74\u4efd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u4e3b\u6d41\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u7372\u53d6\u7576\u524d\u7cfb\u7d71\u5e74\u4efd\u7684\u8a9e\u53e5\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u3002<\/p>\n<h2 id=\"mysql-LYEOwHQEnh\">MySQL<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\u4f86\u7372\u53d6\u7576\u524d\u5e74\u4efd\uff1a<\/p>\n<pre><code>SELECT YEAR(CURDATE()) AS current_year;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u4f7f\u7528\u4e86 <code>CURDATE()<\/code> \u51fd\u6578\u4f86\u7372\u53d6\u7576\u524d\u65e5\u671f\uff0c\u7136\u5f8c\u901a\u904e <code>YEAR()<\/code> \u51fd\u6578\u63d0\u53d6\u5e74\u4efd\u3002\u57f7\u884c\u9019\u689d\u8a9e\u53e5\u5f8c\uff0c\u5c07\u8fd4\u56de\u4e00\u500b\u540d\u70ba <code>current_year<\/code> \u7684\u5217\uff0c\u986f\u793a\u7576\u524d\u7684\u5e74\u4efd\u3002<\/p>\n<h2 id=\"postgresql-LYEOwHQEnh\">PostgreSQL<\/h2>\n<p>\u5728PostgreSQL\u4e2d\uff0c\u7372\u53d6\u7576\u524d\u5e74\u4efd\u7684\u8a9e\u53e5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT EXTRACT(YEAR FROM CURRENT_DATE) AS current_year;<\/code><\/pre>\n<p>\u9019\u88e1\u4f7f\u7528\u4e86 <code>EXTRACT()<\/code> \u51fd\u6578\uff0c\u5f9e <code>CURRENT_DATE<\/code> \u4e2d\u63d0\u53d6\u5e74\u4efd\u3002\u9019\u7a2e\u65b9\u6cd5\u5728\u8655\u7406\u65e5\u671f\u548c\u6642\u9593\u6642\u975e\u5e38\u9748\u6d3b\uff0c\u80fd\u5920\u63d0\u53d6\u591a\u7a2e\u6642\u9593\u55ae\u4f4d\u3002<\/p>\n<h2 id=\"sql-server-LYEOwHQEnh\">SQL Server<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\u4f86\u7372\u53d6\u7576\u524d\u5e74\u4efd\uff1a<\/p>\n<pre><code>SELECT YEAR(GETDATE()) AS current_year;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u4f7f\u7528\u4e86 <code>GETDATE()<\/code> \u51fd\u6578\u4f86\u7372\u53d6\u7576\u524d\u7684\u65e5\u671f\u548c\u6642\u9593\uff0c\u7136\u5f8c\u901a\u904e <code>YEAR()<\/code> \u51fd\u6578\u63d0\u53d6\u5e74\u4efd\u3002\u9019\u662fSQL Server\u4e2d\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002<\/p>\n<h2 id=\"oracle-LYEOwHQEnh\">Oracle<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u7372\u53d6\u7576\u524d\u5e74\u4efd\u7684\u8a9e\u53e5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT EXTRACT(YEAR FROM SYSDATE) AS current_year FROM dual;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>SYSDATE<\/code> \u8fd4\u56de\u7576\u524d\u7684\u65e5\u671f\u548c\u6642\u9593\uff0c\u800c <code>EXTRACT()<\/code> \u51fd\u6578\u5247\u7528\u4f86\u63d0\u53d6\u5e74\u4efd\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cOracle\u4e2d\u9700\u8981\u5f9e <code>dual<\/code> \u8868\u4e2d\u9078\u64c7\u6578\u64da\uff0c\u9019\u662f\u4e00\u500b\u865b\u64ec\u8868\u3002<\/p>\n<h2 id=\"sqlite-LYEOwHQEnh\">SQLite<\/h2>\n<p>\u5728SQLite\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\u4f86\u7372\u53d6\u7576\u524d\u5e74\u4efd\uff1a<\/p>\n<pre><code>SELECT strftime('%Y', 'now') AS current_year;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u4f7f\u7528\u4e86 <code>strftime()<\/code> \u51fd\u6578\uff0c\u901a\u904e\u683c\u5f0f\u5316\u5b57\u7b26\u4e32 <code>'%Y'<\/code> \u4f86\u7372\u53d6\u7576\u524d\u5e74\u4efd\u3002\u9019\u7a2e\u65b9\u6cd5\u7c21\u55ae\u4e14\u6613\u65bc\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LYEOwHQEnh\">\u7e3d\u7d50<\/h2>\n<p>\u7372\u53d6\u7576\u524d\u7cfb\u7d71\u5e74\u4efd\u7684\u8a9e\u53e5\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u5404\u6709\u4e0d\u540c\uff0c\u4f46\u57fa\u672c\u539f\u7406\u76f8\u4f3c\u3002\u7121\u8ad6\u662f\u4f7f\u7528 <code>CURDATE()<\/code>\u3001<code>CURRENT_DATE<\/code> \u9084\u662f <code>SYSDATE<\/code>\uff0c\u958b\u767c\u8005\u90fd\u80fd\u5920\u8f15\u9b06\u5730\u7372\u53d6\u6240\u9700\u7684\u5e74\u4efd\u4fe1\u606f\u3002\u9019\u4e9b\u8a9e\u53e5\u5728\u6578\u64da\u5206\u6790\u3001\u5831\u544a\u751f\u6210\u53ca\u6642\u9593\u7ba1\u7406\u7b49\u65b9\u9762\u90fd\u5177\u6709\u91cd\u8981\u7684\u61c9\u7528\u50f9\u503c\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\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u6578\u64da\u5eab\u8a9e\u53e5\u7372\u53d6\u7576\u524d\u7cfb\u7d71\u5e74\u4efd\uff0c\u7c21\u5316\u65e5\u671f\u8655\u7406\u548c\u6578\u64da\u67e5\u8a62\u7684\u904e\u7a0b\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-161125","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161125","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=161125"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161125\/revisions"}],"predecessor-version":[{"id":161126,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161125\/revisions\/161126"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161125"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161125"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}