{"id":180048,"date":"2024-11-09T06:58:18","date_gmt":"2024-11-08T22:58:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180048\/"},"modified":"2024-11-09T06:58:19","modified_gmt":"2024-11-08T22:58:19","slug":"%e5%a6%82%e4%bd%95%e5%8f%aa%e6%8f%90%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%b9%b4%e6%9c%88%e4%bf%a1%e6%81%af%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%97%a5%e6%9c%9f%e5%8f%aa%e8%a6%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180048\/","title":{"rendered":"\u5982\u4f55\u53ea\u63d0\u53d6\u6578\u64da\u5eab\u4e2d\u7684\u5e74\u6708\u4fe1\u606f\uff1f (\u6578\u64da\u5eab\u65e5\u671f\u53ea\u8981\u5e74\u6708)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%8f%aa%e6%8f%90%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%b9%b4%e6%9c%88%e4%bf%a1%e6%81%af%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%97%a5%e6%9c%9f%e5%8f%aa%e8%a6%81-kifsaCtBqv\">\u5982\u4f55\u53ea\u63d0\u53d6\u6578\u64da\u5eab\u4e2d\u7684\u5e74\u6708\u4fe1\u606f\uff1f (\u6578\u64da\u5eab\u65e5\u671f\u53ea\u8981\u5e74\u6708)<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u65e5\u671f\u548c\u6642\u9593\u7684\u8655\u7406\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u8a31\u591a\u6642\u5019\uff0c\u6211\u5011\u53ea\u9700\u8981\u5f9e\u5b8c\u6574\u7684\u65e5\u671f\u4e2d\u63d0\u53d6\u51fa\u5e74\u6708\u4fe1\u606f\uff0c\u4ee5\u4fbf\u9032\u884c\u7d71\u8a08\u5206\u6790\u6216\u5831\u544a\u751f\u6210\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u63d0\u53d6\u5e74\u6708\u4fe1\u606f\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%8f%90%e5%8f%96%e5%b9%b4%e6%9c%88%e4%bf%a1%e6%81%af%ef%bc%9f-kifsaCtBqv\">\u70ba\u4ec0\u9ebc\u9700\u8981\u63d0\u53d6\u5e74\u6708\u4fe1\u606f\uff1f<\/h2>\n<p>\u63d0\u53d6\u5e74\u6708\u4fe1\u606f\u7684\u9700\u6c42\u4e3b\u8981\u4f86\u81ea\u65bc\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5206\u6790\uff1a<\/strong>\u5728\u9032\u884c\u6578\u64da\u5206\u6790\u6642\uff0c\u901a\u5e38\u9700\u8981\u6309\u6708\u6216\u6309\u5e74\u9032\u884c\u7d71\u8a08\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u6e05\u6670\u5730\u4e86\u89e3\u6578\u64da\u7684\u8da8\u52e2\u3002<\/li>\n<li><strong>\u5831\u544a\u751f\u6210\uff1a<\/strong>\u8a31\u591a\u5831\u544a\u9700\u8981\u4ee5\u5e74\u6708\u70ba\u55ae\u4f4d\u4f86\u5c55\u793a\u6578\u64da\uff0c\u9019\u6a23\u53ef\u4ee5\u4f7f\u5831\u544a\u66f4\u5177\u53ef\u8b80\u6027\u3002<\/li>\n<li><strong>\u6578\u64da\u6e05\u7406\uff1a<\/strong>\u5728\u6578\u64da\u6e05\u7406\u904e\u7a0b\u4e2d\uff0c\u63d0\u53d6\u5e74\u6708\u4fe1\u606f\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u91cd\u8907\u6578\u64da\u6216\u4e0d\u4e00\u81f4\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%a8%e4%b8%8d%e5%90%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%8f%90%e5%8f%96%e5%b9%b4%e6%9c%88%e4%bf%a1%e6%81%af%e7%9a%84%e6%96%b9%e6%b3%95-kifsaCtBqv\">\u5728\u4e0d\u540c\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u5e74\u6708\u4fe1\u606f\u7684\u65b9\u6cd5<\/h2>\n<h3 id=\"1-mysql-kifsaCtBqv\">1. MySQL<\/h3>\n<p>\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528DATE_FORMAT\u51fd\u6578\u4f86\u63d0\u53d6\u5e74\u6708\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>SELECT DATE_FORMAT(your_date_column, '%Y-%m') AS year_month\nFROM your_table;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u8fd4\u56de\u4e00\u500b\u5305\u542b\u5e74\u6708\u7684\u7d50\u679c\u96c6\uff0c\u683c\u5f0f\u70ba\u201cYYYY-MM\u201d\u3002<\/p>\n<h3 id=\"2-postgresql-kifsaCtBqv\">2. PostgreSQL<\/h3>\n<p>\u5728PostgreSQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528TO_CHAR\u51fd\u6578\u4f86\u9054\u5230\u76f8\u540c\u7684\u6548\u679c\u3002\u793a\u4f8b\u4ee3\u78bc\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT TO_CHAR(your_date_column, 'YYYY-MM') AS year_month\nFROM your_table;<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5c07\u65e5\u671f\u683c\u5f0f\u5316\u70ba\u201cYYYY-MM\u201d\u3002<\/p>\n<h3 id=\"3-sql-server-kifsaCtBqv\">3. SQL Server<\/h3>\n<p>\u5728SQL Server\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528FORMAT\u51fd\u6578\u4f86\u63d0\u53d6\u5e74\u6708\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>SELECT FORMAT(your_date_column, 'yyyy-MM') AS year_month\nFROM your_table;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u8fd4\u56de\u683c\u5f0f\u70ba\u201cYYYY-MM\u201d\u7684\u5e74\u6708\u4fe1\u606f\u3002<\/p>\n<h3 id=\"4-oracle-kifsaCtBqv\">4. Oracle<\/h3>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528TO_CHAR\u51fd\u6578\u4f86\u63d0\u53d6\u5e74\u6708\u3002\u793a\u4f8b\u4ee3\u78bc\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT TO_CHAR(your_date_column, 'YYYY-MM') AS year_month\nFROM your_table;<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u7372\u5f97\u6240\u9700\u7684\u5e74\u6708\u683c\u5f0f\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-kifsaCtBqv\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u63d0\u53d6\u5e74\u6708\u4fe1\u606f\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u65e5\u671f\u5217\u7684\u6578\u64da\u985e\u578b\u6b63\u78ba\uff0c\u901a\u5e38\u61c9\u70baDATE\u6216DATETIME\u985e\u578b\u3002<\/li>\n<li>\u6839\u64da\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u4f7f\u7528\u76f8\u61c9\u7684\u51fd\u6578\u4f86\u683c\u5f0f\u5316\u65e5\u671f\u3002<\/li>\n<li>\u5728\u9032\u884c\u5927\u6578\u64da\u91cf\u67e5\u8a62\u6642\uff0c\u8003\u616e\u5230\u6027\u80fd\u554f\u984c\uff0c\u5efa\u8b70\u5c0d\u65e5\u671f\u5217\u9032\u884c\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kifsaCtBqv\">\u7e3d\u7d50<\/h2>\n<p>\u63d0\u53d6\u6578\u64da\u5eab\u4e2d\u7684\u5e74\u6708\u4fe1\u606f\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\uff0c\u7121\u8ad6\u662f\u5728\u6578\u64da\u5206\u6790\u9084\u662f\u5831\u544a\u751f\u6210\u4e2d\u90fd\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\u3002\u901a\u904e\u4f7f\u7528\u4e0d\u540c\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u7684\u76f8\u61c9\u51fd\u6578\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u7372\u5f97\u6240\u9700\u7684\u5e74\u6708\u683c\u5f0f\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u5728\u9999\u6e2f\u7684VPS\u74b0\u5883\u4e2d\u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\u7db2\u7ad9\uff0c\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u50c5\u5305\u542b\u5e74\u6708\u7684\u65e5\u671f\u4fe1\u606f\uff0c\u7c21\u5316\u6578\u64da\u8655\u7406\u548c\u5206\u6790\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-180048","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180048","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=180048"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180048\/revisions"}],"predecessor-version":[{"id":180049,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180048\/revisions\/180049"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=180048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=180048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=180048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}