{"id":49538,"date":"2022-12-19T14:38:18","date_gmt":"2023-08-24T00:15:30","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls%e5%8f%91%e7%94%9f%e7%9a%84%e9%94%99%e8%af%af%e6%80%bb%e7%bb%93%e3%80%82\/"},"modified":"2024-04-29T06:02:53","modified_gmt":"2024-04-28T22:02:53","slug":"djangogirls%e5%8f%91%e7%94%9f%e7%9a%84%e9%94%99%e8%af%af%e6%80%bb%e7%bb%93%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls%e5%8f%91%e7%94%9f%e7%9a%84%e9%94%99%e8%af%af%e6%80%bb%e7%bb%93%e3%80%82\/","title":{"rendered":"DjangoGirls\u53d1\u751f\u7684\u9519\u8bef\u603b\u7ed3"},"content":{"rendered":"

\u5728\u63a8\u8fdbDjangoGirls\u7684\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7684\u9519\u8bef\u3002<\/h1>\n

\u5728\u6309\u7167Django Girls\u6559\u7a0b\u8fdb\u884c\u64cd\u4f5c\u65f6\uff0c\u6211\u603b\u7ed3\u4e86\u56e0\u89c4\u683c\u53d8\u5316\u7b49\u539f\u56e0\u800c\u51fa\u73b0\u7684\u9519\u8bef\u3002\u8fd9\u662f\u6211\u4e2a\u4eba\u7684\u5907\u5fd8\u5f55\u3002<\/p>\n

\u73af\u5883<\/h3>\n

Python\uff1a3.6.5
\nDjango\uff1a2.1.1<\/p>\n

\u5f15\u7528\u6765\u6e90<\/h3>\n

\u7531\u4e8eDjango\u7684include\u89c4\u8303\u53d1\u751f\u4e86\u53d8\u5316\u800c\u9047\u5230\u4e86\u56f0\u96be\uff0c\u56e0\u6b64\u6211\u7559\u4e0b\u4e86\u5907\u5fd8\u5f55\u3002
\n\u81eaDjango2.0\u8d77\uff0con_delete\u7684\u4f7f\u7528\u65b9\u5f0f\u53d8\u4e3a\u5fc5\u9700\u3002
\n\u5728\u5c06Django\u5e94\u7528\u90e8\u7f72\u5230Heroku\u65f6\uff0c\u89e3\u51b3\u9519\u8bef\u7684\u65b9\u6cd5\uff1awhitenoise\u7f16\u5199\u3002<\/p>\n

\u9519\u8bef1: on_delete<\/h2>\n

\u5728Django Girls\u6559\u7a0b\u7684Django models\u90e8\u5206\u4e2d\uff0c\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\u4ee5\u4f20\u8fbe\u6a21\u578b\u7684\u66f4\u6539\u65f6\uff0c<\/p>\n

(myvenv) ~\/djangogirls$ python manage.py makemigrations blog\r\n<\/code><\/pre>\n
TypeError: __init__() missing 1 required positional argument: 'on_delete'\r\n<\/code><\/pre>\n
\u636e\u6211\u6240\u67e5Django\u5728\u7248\u672c2\u4e4b\u540e\u4f3c\u4e4e\u8981\u6c42\u5728blog\/models.py\u4e2d\u7684ForeignKey\u53c2\u6570\u4e2d\u4f20\u9012on_delete\u3002<\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h3>\n
\u66f4\u6b63\u524d<\/p>\n
 class<\/span> Post<\/span>(<\/span>models<\/span>.<\/span>Model<\/span>):<\/span>\r\n    author<\/span> =<\/span> models<\/span>.<\/span>ForeignKey<\/span>(<\/span>'auth.User'<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u66f4\u6b63\u4e4b\u5f8c<\/p>\n
 class<\/span> Post<\/span>(<\/span>models<\/span>.<\/span>Model<\/span>):<\/span>\r\n    author<\/span> =<\/span> models<\/span>.<\/span>ForeignKey<\/span>(<\/span>'auth.User'<\/span>,<\/span>on_delete<\/span>=<\/span>models<\/span>.<\/span>CASCADE<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u53ea\u9700\u5c06”on_delete=models.CASCADE”\u4f20\u9012\u7ed9\u56e0\u7d20\u5c31\u53ef\u4ee5\u4e86\uff01<\/p>\n
\u9519\u8bef2\uff1a\u7531\u4e8ewhitenoise\u89c4\u683c\u7684\u53d8\u5316\u5bfc\u81f4\u7684\u9519\u8bef\u3002<\/h2>\n
\u5728\u90e8\u7f72\u8fc7\u7a0b\u7684\u6700\u540e\u9636\u6bb5\uff0c<\/p>\n
command line\r\n(myvenv) ~\/djangogirls$ python manage.py runserver\r\n<\/code><\/pre>\n
\u5f53\u8f93\u5165\u201c\u3068\u201d\u65f6<\/p>\n
command line\r\nImportError: \r\nYour WhiteNoise configuration is incompatible with WhiteNoise v4.0\r\nThis can be fixed by following the upgrade instructions at:\r\nhttp:\/\/whitenoise.evans.io\/en\/stable\/changelog.html#v4-0\r\n<\/code><\/pre>\n
\u53d1\u751f\u4e86\u4e00\u4e2a\u88ab\u79f0\u4e3a\u201c\u3068\u304b\u3044\u3046\u30a8\u30e9\u30fc\u201d\u7684\u9519\u8bef\u3002\u67e5\u4e86\u5f88\u591a\u8d44\u6599\u540e\u53d1\u73b0\uff0c\u6b63\u5728\u8fdb\u884cDjango Girls Tutorial\u65f6\u51fa\u73b0\u3002<\/p>\n
from<\/span> whitenoise.django<\/span> import<\/span> DjangoWhiteNoise<\/span>\r\napplication<\/span> =<\/span> DjangoWhiteNoise<\/span>(<\/span>application<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u6709\u4e00\u500b\u5834\u666f\u63cf\u8ff0\u8aaa\uff0c\u767c\u751fWhitenoise\u66f4\u65b0\u5f8c\u5f15\u8d77\u932f\u8aa4\u7684\u60c5\u6cc1\u3002<\/p>\n
\u5904\u7406\u65b9\u6848<\/h3>\n
from<\/span> whitenoise.django<\/span> import<\/span> DjangoWhiteNoise<\/span>\r\napplication<\/span> =<\/span> DjangoWhiteNoise<\/span>(<\/span>application<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u9996\u5148\u5220\u9664\u4e0a\u9762\u7684\u4ee3\u7801\u3002\u7136\u540e\uff0c\u4fee\u6539’mysite\/setting.py’\u6587\u4ef6\u3002
\n\u5c06setting.py\u6587\u4ef6\u4e2d\u7684MIDDLEWARE\u90e8\u5206\u4fee\u6539\u4e3a…\u3002<\/p>\n
MIDDLEWARE<\/span> =<\/span> [<\/span>\r\n    'django.middleware.security.SecurityMiddleware'<\/span>,<\/span>\r\n    'whitenoise.middleware.WhiteNoiseMiddleware'<\/span>,<\/span>\r\n    'django.contrib.sessions.middleware.SessionMiddleware'<\/span>,<\/span>\r\n    'django.middleware.common.CommonMiddleware'<\/span>,<\/span>\r\n    'django.middleware.csrf.CsrfViewMiddleware'<\/span>,<\/span>\r\n    'django.contrib.auth.middleware.AuthenticationMiddleware'<\/span>,<\/span>\r\n    'django.contrib.messages.middleware.MessageMiddleware'<\/span>,<\/span>\r\n    'django.middleware.clickjacking.XFrameOptionsMiddleware'<\/span>,<\/span>\r\n]<\/span>\r\n<\/code><\/pre>\n
\u5728\u7b2c\u4e00\u884c\u8fdb\u884c\u4e86\u66f4\u6539\u3002\u5728\u7b2c\u4e8c\u884c\u6dfb\u52a0\u4e86’whitenoise.middleware.WhiteNoiseMiddleware’\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728\u63a8\u8fdbDjangoGirls\u7684\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7684\u9519\u8bef\u3002 \u5728\u6309\u7167Django Girls\u6559\u7a0b\u8fdb\u884c\u64cd\u4f5c\u65f6\uff0c\u6211\u603b\u7ed3\u4e86\u56e0\u89c4\u683c […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-49538","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nDjangoGirls\u53d1\u751f\u7684\u9519\u8bef\u603b\u7ed3 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls\u53d1\u751f\u7684\u9519\u8bef\u603b\u7ed3\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DjangoGirls\u53d1\u751f\u7684\u9519\u8bef\u603b\u7ed3\" \/>\n<meta property=\"og:description\" content=\"\u5728\u63a8\u8fdbDjangoGirls\u7684\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7684\u9519\u8bef\u3002 \u5728\u6309\u7167Django Girls\u6559\u7a0b\u8fdb\u884c\u64cd\u4f5c\u65f6\uff0c\u6211\u603b\u7ed3\u4e86\u56e0\u89c4\u683c […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls\u53d1\u751f\u7684\u9519\u8bef\u603b\u7ed3\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-24T00:15:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-28T22:02:53+00:00\" \/>\n<meta name=\"author\" content=\"\u6e05, \u626c\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6e05, \u626c\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls%e5%8f%91%e7%94%9f%e7%9a%84%e9%94%99%e8%af%af%e6%80%bb%e7%bb%93%e3%80%82\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls%e5%8f%91%e7%94%9f%e7%9a%84%e9%94%99%e8%af%af%e6%80%bb%e7%bb%93%e3%80%82\/\",\"name\":\"DjangoGirls\u53d1\u751f\u7684\u9519\u8bef\u603b\u7ed3 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-08-24T00:15:30+00:00\",\"dateModified\":\"2024-04-28T22:02:53+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/cb5556d2501da73d864cac945e8d9461\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls%e5%8f%91%e7%94%9f%e7%9a%84%e9%94%99%e8%af%af%e6%80%bb%e7%bb%93%e3%80%82\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls%e5%8f%91%e7%94%9f%e7%9a%84%e9%94%99%e8%af%af%e6%80%bb%e7%bb%93%e3%80%82\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls%e5%8f%91%e7%94%9f%e7%9a%84%e9%94%99%e8%af%af%e6%80%bb%e7%bb%93%e3%80%82\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"DjangoGirls\u53d1\u751f\u7684\u9519\u8bef\u603b\u7ed3\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/cb5556d2501da73d864cac945e8d9461\",\"name\":\"\u6e05, \u626c\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/32a4239de8ff29adace466261d309424a1e5fe9f7e3036bf89fe03f2e3dbe717?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/32a4239de8ff29adace466261d309424a1e5fe9f7e3036bf89fe03f2e3dbe717?s=96&d=mm&r=g\",\"caption\":\"\u6e05, \u626c\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/qingyang\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls%e5%8f%91%e7%94%9f%e7%9a%84%e9%94%99%e8%af%af%e6%80%bb%e7%bb%93%e3%80%82\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"DjangoGirls\u53d1\u751f\u7684\u9519\u8bef\u603b\u7ed3 - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls\u53d1\u751f\u7684\u9519\u8bef\u603b\u7ed3\u3002\/","og_locale":"zh_CN","og_type":"article","og_title":"DjangoGirls\u53d1\u751f\u7684\u9519\u8bef\u603b\u7ed3","og_description":"\u5728\u63a8\u8fdbDjangoGirls\u7684\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7684\u9519\u8bef\u3002 \u5728\u6309\u7167Django Girls\u6559\u7a0b\u8fdb\u884c\u64cd\u4f5c\u65f6\uff0c\u6211\u603b\u7ed3\u4e86\u56e0\u89c4\u683c […]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls\u53d1\u751f\u7684\u9519\u8bef\u603b\u7ed3\u3002\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-08-24T00:15:30+00:00","article_modified_time":"2024-04-28T22:02:53+00:00","author":"\u6e05, \u626c","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u6e05, \u626c","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls%e5%8f%91%e7%94%9f%e7%9a%84%e9%94%99%e8%af%af%e6%80%bb%e7%bb%93%e3%80%82\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls%e5%8f%91%e7%94%9f%e7%9a%84%e9%94%99%e8%af%af%e6%80%bb%e7%bb%93%e3%80%82\/","name":"DjangoGirls\u53d1\u751f\u7684\u9519\u8bef\u603b\u7ed3 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-08-24T00:15:30+00:00","dateModified":"2024-04-28T22:02:53+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/cb5556d2501da73d864cac945e8d9461"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls%e5%8f%91%e7%94%9f%e7%9a%84%e9%94%99%e8%af%af%e6%80%bb%e7%bb%93%e3%80%82\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/djangogirls%e5%8f%91%e7%94%9f%e7%9a%84%e9%94%99%e8%af%af%e6%80%bb%e7%bb%93%e3%80%82\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls%e5%8f%91%e7%94%9f%e7%9a%84%e9%94%99%e8%af%af%e6%80%bb%e7%bb%93%e3%80%82\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"DjangoGirls\u53d1\u751f\u7684\u9519\u8bef\u603b\u7ed3"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/cb5556d2501da73d864cac945e8d9461","name":"\u6e05, \u626c","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/32a4239de8ff29adace466261d309424a1e5fe9f7e3036bf89fe03f2e3dbe717?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/32a4239de8ff29adace466261d309424a1e5fe9f7e3036bf89fe03f2e3dbe717?s=96&d=mm&r=g","caption":"\u6e05, \u626c"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/qingyang\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/djangogirls%e5%8f%91%e7%94%9f%e7%9a%84%e9%94%99%e8%af%af%e6%80%bb%e7%bb%93%e3%80%82\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/49538","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=49538"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/49538\/revisions"}],"predecessor-version":[{"id":83486,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/49538\/revisions\/83486"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=49538"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=49538"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=49538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}