{"id":6865,"date":"2024-11-14T09:02:34","date_gmt":"2024-11-14T01:02:34","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6865\/"},"modified":"2024-11-14T09:02:34","modified_gmt":"2024-11-14T01:02:34","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:\/\/fwq.ai\/blog\/6865\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 Django ORM \u4e2d\u7684 NOW() \u51fd\u6570\u83b7\u53d6 MySQL \u670d\u52a1\u5668\u65f6\u95f4\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173000054118613.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f7f\u7528 Django ORM \u4e2d\u7684 NOW() \u51fd\u6570\u83b7\u53d6 MySQL \u670d\u52a1\u5668\u65f6\u95f4\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f7f\u7528 Django ORM \u4e2d\u7684 NOW() \u51fd\u6570\u83b7\u53d6 MySQL \u670d\u52a1\u5668\u65f6\u95f4\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 django orm \u4e2d\u7684  now() \u51fd\u6570<\/strong><\/p>\n<p>\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<p><strong>\u5b9e\u73b0\u6b65\u9aa4\uff1a<\/strong><\/p>\n<ol>\n<li>\u5bfc\u5165 now() \u51fd\u6570\uff1a<\/li>\n<\/ol>\n<pre>from django.db.models import f, now<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li>\u5728\u6a21\u578b\u5b57\u6bb5\u4e0a\u4f7f\u7528 now() \u51fd\u6570\uff1a<\/li>\n<\/ol>\n<pre>class MyModel(models.Model):\n    created_at = models.DateTimeField(default=now())<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u6837\u4e00\u6765\uff0c<strong>created_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<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528 Django ORM \u4e2d\u7684 NOW() \u51fd\u6570\u83b7\u53d6 MySQL \u670d\u52a1\u5668\u65f6\u95f4\uff1f\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":"<p>\u5982\u4f55\u4f7f\u7528 django orm \u4e2d\u7684 now() \u51fd\u6570 \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 \u5b9e\u73b0\u6b65\u9aa4\uff1a \u5bfc\u5165 now() \u51fd\u6570\uff1a from django.db.models import f, now \u767b\u5f55\u540e\u590d\u5236 \u5728\u6a21\u578b\u5b57\u6bb5\u4e0a\u4f7f\u7528 now() \u51fd\u6570\uff1a class MyModel(models.Model): created_at = models.DateTimeField(default=now()) \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u6837\u4e00\u6765\uff0ccreated_at \u5b57\u6bb5\u5728\u6bcf\u6b21\u8bb0\u5f55\u521b\u5efa\u65f6\u90fd\u4f1a\u4f7f\u7528 mysql \u670d\u52a1\u5668\u7684\u65f6\u95f4\u3002 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528 Django ORM \u4e2d\u7684 NOW() \u51fd\u6570\u83b7\u53d6 MySQL \u670d\u52a1\u5668\u65f6\u95f4\uff1f\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},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-6865","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6865","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=6865"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6865\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6865"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6865"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6865"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}