{"id":5530,"date":"2024-11-14T12:21:04","date_gmt":"2024-11-14T04:21:04","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5530\/"},"modified":"2024-11-14T12:21:04","modified_gmt":"2024-11-14T04:21:04","slug":"mysql%e6%97%b6%e9%97%b4%e6%a0%bc%e5%bc%8f%e5%8c%96%e6%80%8e%e4%b9%88%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5530\/","title":{"rendered":"mysql\u65f6\u95f4\u683c\u5f0f\u5316\u600e\u4e48\u7528"},"content":{"rendered":"

\n mysql \u65f6\u95f4\u683c\u5f0f\u5316\u529f\u80fd\u53ef\u5c06\u65f6\u95f4\u503c\u8f6c\u6362\u4e3a\u6587\u672c\u5b57\u7b26\u4e32\u3002\u683c\u5f0f\u5316\u8bed\u6cd5\uff1adate_format(datetime_expr, format_string)\u3002\u53ef\u7528\u683c\u5f0f\u8bf4\u660e\u7b26\u5305\u62ec\uff1a%y\uff08\u5e74\u4efd\uff09\u3001%m\uff08\u6708\u4efd\uff09\u3001%d\uff08\u65e5\u671f\uff09\u3001%h\uff08\u5c0f\u65f6\uff09\u3001%i\uff08\u5206\u949f\uff09\u3001%s\uff08\u79d2\uff09\u3001%a\uff08\u661f\u671f\u51e0\uff09\u3002\u793a\u4f8b\uff1adate_format(‘2023-03-17 15:38:45’, ‘%y-%m-%d %h:%i:%s’) \u8f93\u51fa 2023-03-17 15:38:45\u3002\n<\/p><\/blockquote>\n

\"mysql\u65f6\u95f4\u683c\u5f0f\u5316\u600e\u4e48\u7528\u63d2\u56fe\"<\/p>\n

MySQL \u65f6\u95f4\u683c\u5f0f\u5316<\/strong><\/p>\n

MySQL \u4e2d\u7684\u65f6\u95f4\u683c\u5f0f\u5316\u529f\u80fd\u5141\u8bb8\u7528\u6237\u5c06\u65f6\u95f4\u503c\u8f6c\u6362\u4e3a\u53ef\u8bfb\u4e14\u7279\u5b9a\u7684\u6587\u672c\u5b57\u7b26\u4e32\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528\u65f6\u95f4\u683c\u5f0f\u5316<\/strong><\/p>\n

\u8981\u683c\u5f0f\u5316\u65f6\u95f4\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n

DATE_FORMAT(datetime_expr, format_string)<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • datetime_expr \u662f\u8981\u683c\u5f0f\u5316\u7684\u65e5\u671f\u6216\u65f6\u95f4\u8868\u8fbe\u5f0f\u3002<\/li>\n
  • format_string \u662f\u6307\u5b9a\u8f93\u51fa\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\u3002<\/li>\n<\/ul>\n
    \u652f\u6301\u7684\u683c\u5f0f\u8bf4\u660e\u7b26<\/strong><\/p>\n
    MySQL \u652f\u6301\u5e7f\u6cdb\u7684\u683c\u5f0f\u8bf4\u660e\u7b26\uff0c\u7528\u4e8e\u63a7\u5236\u8f93\u51fa\u5b57\u7b26\u4e32\u7684\u5916\u89c2\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u8bf4\u660e\u7b26\uff1a<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
    \u8bf4\u660e\u7b26<\/th>\n\u8f93\u51fa\u683c\u5f0f<\/th>\n<\/tr>\n<\/thead>\n
    %Y<\/td>\n\u5e74\u4efd\uff08\u56db\u4f4d\u6570\u5b57\uff09<\/td>\n<\/tr>\n
    %m<\/td>\n\u6708\u4efd\uff08\u4e24\u4f4d\u6570\u5b57\uff09<\/td>\n<\/tr>\n
    %d<\/td>\n\u65e5\u671f\uff08\u4e24\u4f4d\u6570\u5b57\uff09<\/td>\n<\/tr>\n
    %H<\/td>\n\u5c0f\u65f6\uff0824 \u5c0f\u65f6\u5236\uff0c\u4e24\u4f4d\u6570\u5b57\uff09<\/td>\n<\/tr>\n
    %i<\/td>\n\u5206\u949f\uff08\u4e24\u4f4d\u6570\u5b57\uff09<\/td>\n<\/tr>\n
    %s<\/td>\n\u79d2\uff08\u4e24\u4f4d\u6570\u5b57\uff09<\/td>\n<\/tr>\n
    %a<\/td>\n\u661f\u671f\u51e0\uff08\u7f29\u5199\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \u793a\u4f8b<\/strong><\/p>\n
    \u4ee5\u4e0b\u793a\u4f8b\u8bf4\u660e\u5982\u4f55\u4f7f\u7528\u4e0d\u540c\u7684\u683c\u5f0f\u8bf4\u660e\u7b26\u683c\u5f0f\u5316\u65f6\u95f4\u503c\uff1a<\/p>\n
    SELECT DATE_FORMAT('2023-03-17 15:38:45', '%Y-%m-%d %H:%i:%s');\n-- \u8f93\u51fa\uff1a2023-03-17 15:38:45\n\nSELECT DATE_FORMAT('2023-03-17 15:38:45', '%a, %Y %b %d');\n-- \u8f93\u51fa\uff1aFri, 2023 Mar 17<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n
      \n
    • \u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u4e2d\u7684\u6587\u672c\u5b57\u7b26\u5fc5\u987b\u4e0e\u767e\u5206\u53f7\uff08%\uff09\u8fde\u63a5\u3002<\/li>\n
    • \u5982\u679c\u8981\u683c\u5f0f\u5316\u7684\u8868\u8fbe\u5f0f\u4e3a\u7a7a\uff0c\u5219\u8f93\u51fa\u5c06\u4e3a\u7a7a\u5b57\u7b26\u4e32\u3002<\/li>\n
    • \u6307\u5b9a\u7684\u683c\u5f0f\u8bf4\u660e\u7b26\u5fc5\u987b\u4e0e\u8868\u8fbe\u5f0f\u4e2d\u6570\u636e\u7684\u7c7b\u578b\u5339\u914d\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662f\u65f6\u95f4\u683c\u5f0f\u5316\u600e\u4e48\u7528\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      mysql \u65f6\u95f4\u683c\u5f0f\u5316\u529f\u80fd\u53ef\u5c06\u65f6\u95f4\u503c\u8f6c\u6362\u4e3a\u6587\u672c\u5b57\u7b26\u4e32\u3002\u683c\u5f0f\u5316\u8bed\u6cd5\uff1adate_format(datetime_expr, format_string)\u3002\u53ef\u7528\u683c\u5f0f\u8bf4\u660e\u7b26\u5305\u62ec\uff1a%y\uff08\u5e74\u4efd\uff09\u3001%m\uff08\u6708\u4efd\uff09\u3001%d\uff08\u65e5\u671f\uff09\u3001%h\uff08\u5c0f\u65f6\uff09\u3001%i\uff08\u5206\u949f\uff09\u3001%s\uff08\u79d2\uff09\u3001%a\uff08\u661f\u671f\u51e0\uff09\u3002\u793a\u4f8b\uff1adate_format(‘2023-03-17 15:38:45’, ‘%y-%m-%d %h:%i:%s’) \u8f93\u51fa 2023-03-17 15:38:45\u3002 MySQL \u65f6\u95f4\u683c\u5f0f\u5316 MySQL \u4e2d\u7684\u65f6\u95f4\u683c\u5f0f\u5316\u529f\u80fd\u5141\u8bb8\u7528\u6237\u5c06\u65f6\u95f4\u503c\u8f6c\u6362\u4e3a\u53ef\u8bfb\u4e14\u7279\u5b9a\u7684\u6587\u672c\u5b57\u7b26\u4e32\u3002 \u5982\u4f55\u4f7f\u7528\u65f6\u95f4\u683c\u5f0f\u5316 \u8981\u683c\u5f0f\u5316\u65f6\u95f4\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a DATE_FORMAT(datetime_expr, format_string) \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a datetime_expr \u662f\u8981\u683c\u5f0f\u5316\u7684\u65e5\u671f\u6216\u65f6\u95f4\u8868\u8fbe\u5f0f\u3002 format_string \u662f\u6307\u5b9a\u8f93\u51fa\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\u3002 \u652f\u6301\u7684\u683c\u5f0f\u8bf4\u660e\u7b26 MySQL \u652f\u6301\u5e7f\u6cdb\u7684\u683c\u5f0f\u8bf4\u660e\u7b26\uff0c\u7528\u4e8e\u63a7\u5236\u8f93\u51fa\u5b57\u7b26\u4e32\u7684\u5916\u89c2\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u8bf4\u660e\u7b26\uff1a \u8bf4\u660e\u7b26 \u8f93\u51fa\u683c\u5f0f %Y \u5e74\u4efd\uff08\u56db\u4f4d\u6570\u5b57\uff09 %m \u6708\u4efd\uff08\u4e24\u4f4d\u6570\u5b57\uff09 %d \u65e5\u671f\uff08\u4e24\u4f4d\u6570\u5b57\uff09 %H \u5c0f\u65f6\uff0824 \u5c0f\u65f6\u5236\uff0c\u4e24\u4f4d\u6570\u5b57\uff09 %i \u5206\u949f\uff08\u4e24\u4f4d\u6570\u5b57\uff09 %s \u79d2\uff08\u4e24\u4f4d\u6570\u5b57\uff09 %a \u661f\u671f\u51e0\uff08\u7f29\u5199\uff09 \u793a\u4f8b \u4ee5\u4e0b\u793a\u4f8b\u8bf4\u660e\u5982\u4f55\u4f7f\u7528\u4e0d\u540c\u7684\u683c\u5f0f\u8bf4\u660e\u7b26\u683c\u5f0f\u5316\u65f6\u95f4\u503c\uff1a SELECT DATE_FORMAT(‘2023-03-17 15:38:45’, ‘%Y-%m-%d %H:%i:%s’); — \u8f93\u51fa\uff1a2023-03-17 15:38:45 SELECT DATE_FORMAT(‘2023-03-17 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5530","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5530","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5530"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5530\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}