{"id":75794,"date":"2024-10-16T01:17:16","date_gmt":"2024-10-15T17:17:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75794\/"},"modified":"2024-10-16T01:17:16","modified_gmt":"2024-10-15T17:17:16","slug":"mysql-%e6%9f%a5%e8%a9%a2%e6%9c%ac%e5%91%a8%e3%80%81%e4%b8%8a%e5%91%a8%e3%80%81%e6%9c%ac%e6%9c%88%e3%80%81%e4%b8%8a%e5%80%8b%e6%9c%88%e4%bb%bd%e7%9a%84%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75794\/","title":{"rendered":"MySQL \u67e5\u8a62\u672c\u5468\u3001\u4e0a\u5468\u3001\u672c\u6708\u3001\u4e0a\u500b\u6708\u4efd\u7684\u6578\u64da"},"content":{"rendered":"

MySQL \u67e5\u8a62\u672c\u5468\u3001\u4e0a\u5468\u3001\u672c\u6708\u3001\u4e0a\u500b\u6708\u4efd\u7684\u6578\u64da<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cMySQL \u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u8a31\u591a\u958b\u767c\u8005\u548c\u6578\u64da\u5206\u6790\u5e2b\u9700\u8981\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u7279\u5b9a\u6642\u9593\u7bc4\u570d\u5167\u7684\u6578\u64da\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 MySQL \u67e5\u8a62\u672c\u5468\u3001\u4e0a\u5468\u3001\u672c\u6708\u53ca\u4e0a\u500b\u6708\u4efd\u7684\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684 SQL \u67e5\u8a62\u8a9e\u53e5\u793a\u4f8b\u3002<\/p>\n

\u67e5\u8a62\u672c\u5468\u7684\u6578\u64da<\/h2>\n

\u8981\u67e5\u8a62\u672c\u5468\u7684\u6578\u64da\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 MySQL \u7684 WEEK()<\/code> \u51fd\u6578\u4f86\u7372\u53d6\u7576\u524d\u5468\u7684\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u67e5\u8a62\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba orders<\/code> \u7684\u8868\uff0c\u4e26\u4e14\u6211\u5011\u60f3\u8981\u67e5\u8a62\u672c\u5468\u7684\u6240\u6709\u8a02\u55ae\uff1a<\/p>\n

SELECT * FROM orders \nWHERE YEARWEEK(order_date, 1) = YEARWEEK(CURDATE(), 1);<\/code><\/pre>\n
\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0cYEARWEEK(order_date, 1)<\/code> \u6703\u8fd4\u56de\u8a02\u55ae\u65e5\u671f\u7684\u5e74\u4efd\u548c\u5468\u6578\uff0c\u800c YEARWEEK(CURDATE(), 1)<\/code> \u5247\u8fd4\u56de\u7576\u524d\u65e5\u671f\u7684\u5e74\u4efd\u548c\u5468\u6578\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6211\u5011\u53ea\u7372\u53d6\u672c\u5468\u7684\u6578\u64da\u3002<\/p>\n
\u67e5\u8a62\u4e0a\u5468\u7684\u6578\u64da<\/h2>\n
\u82e5\u8981\u67e5\u8a62\u4e0a\u5468\u7684\u6578\u64da\uff0c\u6211\u5011\u53ea\u9700\u7a0d\u4f5c\u4fee\u6539\uff0c\u5c07\u67e5\u8a62\u689d\u4ef6\u4e2d\u7684\u5e74\u4efd\u548c\u5468\u6578\u5411\u524d\u63a8\u79fb\u4e00\u5468\uff1a<\/p>\n
SELECT * FROM orders \nWHERE YEARWEEK(order_date, 1) = YEARWEEK(CURDATE() - INTERVAL 1 WEEK, 1);<\/code><\/pre>\n
\u9019\u6a23\u7684\u67e5\u8a62\u5c07\u8fd4\u56de\u4e0a\u5468\u7684\u6240\u6709\u8a02\u55ae\u6578\u64da\u3002<\/p>\n
\u67e5\u8a62\u672c\u6708\u7684\u6578\u64da<\/h2>\n
\u67e5\u8a62\u672c\u6708\u7684\u6578\u64da\u53ef\u4ee5\u4f7f\u7528 MONTH()<\/code> \u548c YEAR()<\/code> \u51fd\u6578\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u672c\u6708\u6240\u6709\u8a02\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n
SELECT * FROM orders \nWHERE MONTH(order_date) = MONTH(CURDATE()) \nAND YEAR(order_date) = YEAR(CURDATE());<\/code><\/pre>\n
\u9019\u500b\u67e5\u8a62\u6703\u8fd4\u56de\u7576\u524d\u6708\u4efd\u7684\u6240\u6709\u8a02\u55ae\uff0c\u901a\u904e\u6bd4\u8f03\u8a02\u55ae\u65e5\u671f\u7684\u6708\u4efd\u548c\u5e74\u4efd\u4f86\u7be9\u9078\u6578\u64da\u3002<\/p>\n
\u67e5\u8a62\u4e0a\u500b\u6708\u4efd\u7684\u6578\u64da<\/h2>\n
\u8981\u67e5\u8a62\u4e0a\u500b\u6708\u4efd\u7684\u6578\u64da\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 LAST_DAY()<\/code> \u51fd\u6578\u4f86\u7372\u53d6\u4e0a\u500b\u6708\u7684\u6700\u5f8c\u4e00\u5929\uff0c\u7136\u5f8c\u518d\u9032\u884c\u67e5\u8a62\uff1a<\/p>\n
SELECT * FROM orders \nWHERE MONTH(order_date) = MONTH(CURDATE() - INTERVAL 1 MONTH) \nAND YEAR(order_date) = YEAR(CURDATE() - INTERVAL 1 MONTH);<\/code><\/pre>\n
\u9019\u6a23\u7684\u67e5\u8a62\u5c07\u8fd4\u56de\u4e0a\u500b\u6708\u7684\u6240\u6709\u8a02\u55ae\u6578\u64da\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u7684 SQL \u67e5\u8a62\u793a\u4f8b\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5f9e MySQL \u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u672c\u5468\u3001\u4e0a\u5468\u3001\u672c\u6708\u53ca\u4e0a\u500b\u6708\u4efd\u7684\u6578\u64da\u3002\u9019\u4e9b\u67e5\u8a62\u4e0d\u50c5\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u9032\u884c\u6578\u64da\u5206\u6790\uff0c\u9084\u80fd\u70ba\u696d\u52d9\u6c7a\u7b56\u63d0\u4f9b\u652f\u6301\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u74b0\u5883\u4f86\u904b\u884c\u9019\u4e9b\u67e5\u8a62\uff0c\u8003\u616e\u4f7f\u7528 \u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u9ad8\u6548\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u4f7f\u7528 MySQL \u67e5\u8a62\u672c\u5468\u3001\u4e0a\u5468\u3001\u672c\u6708\u53ca\u4e0a\u500b\u6708\u4efd\u7684\u6578\u64da\uff0c\u8f15\u9b06\u7372\u53d6\u6240\u9700\u7684\u6642\u9593\u7bc4\u570d\u6578\u64da\u5206\u6790\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-75794","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75794","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=75794"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75794\/revisions"}],"predecessor-version":[{"id":75795,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75794\/revisions\/75795"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}