{"id":201050,"date":"2025-05-06T11:06:59","date_gmt":"2025-05-06T03:06:59","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201050\/"},"modified":"2025-05-06T11:06:59","modified_gmt":"2025-05-06T03:06:59","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-django-orm-%e4%b8%ad%e7%9a%84-now-%e5%87%bd%e6%95%b0%e8%8e%b7%e5%8f%96-mysql-%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%97%b6%e9%97%b4%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201050\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 Django ORM \u4e2d\u7684 NOW() \u51fd\u6570\u83b7\u53d6 MySQL \u670d\u52a1\u5668\u65f6\u95f4\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u4f7f\u7528 Django ORM \u4e2d\u7684 NOW() \u51fd\u6570\u83b7\u53d6 MySQL \u670d\u52a1\u5668\u65f6\u95f4\uff1f<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300a\u5982\u4f55\u4f7f\u7528 Django ORM \u4e2d\u7684 NOW() \u51fd\u6570\u83b7\u53d6 MySQL \u670d\u52a1\u5668\u65f6\u95f4\uff1f\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n

<\/p>\n

\u5982\u4f55\u4f7f\u7528 django orm \u4e2d\u7684 mysql now() \u51fd\u6570<\/strong><\/p>\n

\u5728 django \u4e2d\uff0c\u4e3a\u4e86\u907f\u514d\u5728\u540e\u7aef\u673a\u5668\u4e0a\u83b7\u53d6\u65f6\u95f4\u5e76\u5728\u4fdd\u5b58\u5230 mysql \u6570\u636e\u5e93\u65f6\u9020\u6210\u4e0d\u540c\u6b65\uff0c\u53ef\u4ee5\u4f7f\u7528 now() \u51fd\u6570\u8ba9 mysql \u670d\u52a1\u5668\u81ea\u884c\u83b7\u53d6\u63d2\u5165\u65f6\u95f4\u3002<\/p>\n

\u5b9e\u73b0\u6b65\u9aa4\uff1a<\/strong><\/p>\n

    \n
  1. \u5bfc\u5165 now() \u51fd\u6570\uff1a<\/li>\n<\/ol>\n
    from django.db.models import f, now<\/pre>\n
      \n
    1. \u5728\u6a21\u578b\u5b57\u6bb5\u4e0a\u4f7f\u7528 now() \u51fd\u6570\uff1a<\/li>\n<\/ol>\n
      class MyModel(models.Model):\n    created_at = models.DateTimeField(default=now())<\/pre>\n
      \u8fd9\u6837\u4e00\u6765\uff0ccreated_at<\/strong> \u5b57\u6bb5\u5728\u6bcf\u6b21\u8bb0\u5f55\u521b\u5efa\u65f6\u90fd\u4f1a\u4f7f\u7528 mysql \u670d\u52a1\u5668\u7684\u65f6\u95f4\u3002<\/p>\n
      \u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u5982\u4f55\u4f7f\u7528 Django ORM \u4e2d\u7684 NOW() \u51fd\u6570\u83b7\u53d6 MySQL \u670d\u52a1\u5668\u65f6\u95f4\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n
      \n
      \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
      \u5982\u4f55\u4f7f\u7528 Django ORM ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201050","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201050","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201050"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201050\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201050"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201050"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201050"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}