{"id":94496,"date":"2024-10-19T19:15:22","date_gmt":"2024-10-19T11:15:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/94496\/"},"modified":"2024-10-19T19:15:23","modified_gmt":"2024-10-19T11:15:23","slug":"oracle-to_char%e5%87%bd%e6%95%b8%e5%85%b7%e6%9c%89%e5%bc%b7%e5%a4%a7%e5%8a%9f%e8%83%bd%e7%9a%84%e9%ab%94%e7%8f%be","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/94496\/","title":{"rendered":"Oracle to_char\u51fd\u6578\u5177\u6709\u5f37\u5927\u529f\u80fd\u7684\u9ad4\u73fe"},"content":{"rendered":"<h1 id=\"oracle-to_char%e5%87%bd%e6%95%b8%e5%85%b7%e6%9c%89%e5%bc%b7%e5%a4%a7%e5%8a%9f%e8%83%bd%e7%9a%84%e9%ab%94%e7%8f%be-ouqEqmFgJV\">Oracle to_char\u51fd\u6578\u5177\u6709\u5f37\u5927\u529f\u80fd\u7684\u9ad4\u73fe<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cOracle\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u5176\u63d0\u4f9b\u4e86\u591a\u7a2e\u5f37\u5927\u7684\u51fd\u6578\u4f86\u8655\u7406\u548c\u683c\u5f0f\u5316\u6578\u64da\u3002\u5176\u4e2d\uff0c<code>to_char<\/code>\u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5c07\u6578\u5b57\u548c\u65e5\u671f\u8f49\u63db\u70ba\u5b57\u7b26\u4e32\u683c\u5f0f\uff0c\u4e26\u6839\u64da\u7528\u6236\u7684\u9700\u6c42\u9032\u884c\u683c\u5f0f\u5316\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e<code>to_char<\/code>\u51fd\u6578\u7684\u529f\u80fd\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"to_char%e5%87%bd%e6%95%b8%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-ouqEqmFgJV\">to_char\u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p><code>to_char<\/code>\u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>to_char(value, format)<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>value<\/code>\u53ef\u4ee5\u662f\u6578\u5b57\u6216\u65e5\u671f\uff0c\u800c<code>format<\/code>\u5247\u662f\u7528\u4f86\u6307\u5b9a\u8f38\u51fa\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\u3002\u9019\u4f7f\u5f97\u7528\u6236\u53ef\u4ee5\u9748\u6d3b\u5730\u63a7\u5236\u8f38\u51fa\u7684\u6a23\u5f0f\u3002<\/p>\n<h2 id=\"%e6%95%b8%e5%ad%97%e6%a0%bc%e5%bc%8f%e5%8c%96-ouqEqmFgJV\">\u6578\u5b57\u683c\u5f0f\u5316<\/h2>\n<p>\u5728\u8655\u7406\u6578\u5b57\u6642\uff0c<code>to_char<\/code>\u51fd\u6578\u53ef\u4ee5\u7528\u4f86\u683c\u5f0f\u5316\u6578\u5b57\u7684\u986f\u793a\u65b9\u5f0f\u3002\u4f8b\u5982\uff0c\u7576\u9700\u8981\u5c07\u6578\u5b57\u683c\u5f0f\u5316\u70ba\u8ca8\u5e63\u5f62\u5f0f\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>SELECT to_char(12345.67, 'FM$99999.99') AS formatted_currency FROM dual;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u8f38\u51fa\uff1a<code>$12345.67<\/code>\u3002\u5728\u9019\u88e1\uff0c<code>FM<\/code>\u524d\u7db4\u7528\u4f86\u53bb\u9664\u524d\u5c0e\u7a7a\u683c\uff0c\u800c<code>$<\/code>\u5247\u662f\u8ca8\u5e63\u7b26\u865f\u3002<\/p>\n<h3 id=\"%e5%85%b6%e4%bb%96%e6%95%b8%e5%ad%97%e6%a0%bc%e5%bc%8f%e7%a4%ba%e4%be%8b-ouqEqmFgJV\">\u5176\u4ed6\u6578\u5b57\u683c\u5f0f\u793a\u4f8b<\/h3>\n<ul>\n<li><code>to_char(12345.67, '99999.99')<\/code> \u6703\u8f38\u51fa <code>12345.67<\/code><\/li>\n<li><code>to_char(12345.67, '99999.00')<\/code> \u6703\u8f38\u51fa <code>12345.00<\/code><\/li>\n<li><code>to_char(12345.67, '99999.99%')<\/code> \u6703\u8f38\u51fa <code>1234567.00%<\/code><\/li>\n<\/ul>\n<h2 id=\"%e6%97%a5%e6%9c%9f%e6%a0%bc%e5%bc%8f%e5%8c%96-ouqEqmFgJV\">\u65e5\u671f\u683c\u5f0f\u5316<\/h2>\n<p>\u9664\u4e86\u6578\u5b57\uff0c<code>to_char<\/code>\u51fd\u6578\u5728\u65e5\u671f\u683c\u5f0f\u5316\u65b9\u9762\u4e5f\u975e\u5e38\u5f37\u5927\u3002\u7528\u6236\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u5c07\u65e5\u671f\u8f49\u63db\u70ba\u4e0d\u540c\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT to_char(SYSDATE, 'YYYY-MM-DD HH24:MI:SS') AS formatted_date FROM dual;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u7576\u524d\u7cfb\u7d71\u65e5\u671f\u683c\u5f0f\u5316\u70ba <code>YYYY-MM-DD HH24:MI:SS<\/code> \u7684\u5f62\u5f0f\uff0c\u8f38\u51fa\u7d50\u679c\u53ef\u80fd\u662f <code>2023-10-01 14:30:00<\/code>\u3002<\/p>\n<h3 id=\"%e6%97%a5%e6%9c%9f%e6%a0%bc%e5%bc%8f%e7%a4%ba%e4%be%8b-ouqEqmFgJV\">\u65e5\u671f\u683c\u5f0f\u793a\u4f8b<\/h3>\n<ul>\n<li><code>to_char(SYSDATE, 'MM\/DD\/YYYY')<\/code> \u6703\u8f38\u51fa <code>10\/01\/2023<\/code><\/li>\n<li><code>to_char(SYSDATE, 'Day, Month DD, YYYY')<\/code> \u6703\u8f38\u51fa <code>Sunday, October 01, 2023<\/code><\/li>\n<li><code>to_char(SYSDATE, 'HH12:MI:SS AM')<\/code> \u6703\u8f38\u51fa <code>02:30:00 PM<\/code><\/li>\n<\/ul>\n<h2 id=\"to_char%e5%87%bd%e6%95%b8%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-ouqEqmFgJV\">to_char\u51fd\u6578\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p><code>to_char<\/code>\u51fd\u6578\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u6709\u8457\u5ee3\u6cdb\u7684\u5834\u666f\u3002\u7121\u8ad6\u662f\u5728\u5831\u8868\u751f\u6210\u3001\u6578\u64da\u5c55\u793a\u9084\u662f\u7528\u6236\u754c\u9762\u4e2d\uff0c\u683c\u5f0f\u5316\u6578\u64da\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u4f8b\u5982\uff0c\u5728\u751f\u6210\u8ca1\u52d9\u5831\u8868\u6642\uff0c\u5c07\u6578\u5b57\u683c\u5f0f\u5316\u70ba\u8ca8\u5e63\u5f62\u5f0f\u53ef\u4ee5\u63d0\u9ad8\u5831\u8868\u7684\u53ef\u8b80\u6027\uff1b\u800c\u5728\u986f\u793a\u65e5\u671f\u6642\uff0c\u4f7f\u7528\u5408\u9069\u7684\u683c\u5f0f\u53ef\u4ee5\u4f7f\u4fe1\u606f\u66f4\u52a0\u6e05\u6670\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ouqEqmFgJV\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u7684<code>to_char<\/code>\u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u9748\u6d3b\u5730\u5c07\u6578\u5b57\u548c\u65e5\u671f\u8f49\u63db\u70ba\u5b57\u7b26\u4e32\u683c\u5f0f\uff0c\u4e26\u6839\u64da\u7528\u6236\u9700\u6c42\u9032\u884c\u683c\u5f0f\u5316\u3002\u7121\u8ad6\u662f\u5728\u6578\u64da\u5eab\u67e5\u8a62\u9084\u662f\u5831\u8868\u751f\u6210\u4e2d\uff0c<code>to_char<\/code>\u51fd\u6578\u90fd\u80fd\u63d0\u4f9b\u6975\u5927\u7684\u4fbf\u5229\u3002\u5c0d\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u958b\u767c\u8005\u548c\u6578\u64da\u5206\u6790\u5e2b\u4f86\u8aaa\uff0c\u638c\u63e1\u9019\u4e00\u51fd\u6578\u7684\u4f7f\u7528\u65b9\u6cd5\u5c07\u5927\u5927\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc<code>to_char<\/code>\u51fd\u6578\u6216\u5176\u4ed6Oracle\u6578\u64da\u5eab\u529f\u80fd\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\uff0c\u4e26\u63a2\u7d22\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">VPS<\/a> \u53ca\u5176\u4ed6\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle to_char\u51fd\u6578\u7684\u5f37\u5927\u529f\u80fd\uff0c\u4e86\u89e3\u5982\u4f55\u9748\u6d3b\u8f49\u63db\u6578\u64da\u683c\u5f0f\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-94496","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94496","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=94496"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94496\/revisions"}],"predecessor-version":[{"id":94497,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94496\/revisions\/94497"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=94496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=94496"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=94496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}