{"id":49954,"date":"2023-09-05T02:31:03","date_gmt":"2023-07-20T20:57:49","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/django%e6%95%99%e7%a8%8b%e7%ac%ac%e4%ba%8c%e9%83%a8%e5%88%86\/"},"modified":"2024-04-30T21:33:57","modified_gmt":"2024-04-30T13:33:57","slug":"django%e6%95%99%e7%a8%8b%e7%ac%ac%e4%ba%8c%e9%83%a8%e5%88%86","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/django%e6%95%99%e7%a8%8b%e7%ac%ac%e4%ba%8c%e9%83%a8%e5%88%86\/","title":{"rendered":"Django\u6559\u7a0b[\u7b2c\u4e8c\u90e8\u5206]"},"content":{"rendered":"

Django\u5b98\u65b9\u6587\u6863\u6559\u7a0b2<\/p>\n

\u8bf7\u7b80\u8ff0<\/h1>\n

\u6570\u636e\u5e93\u8bbe\u7f6e (phpMyAdmin\uff0cMySQL\uff0cDjango==2.1)<\/h2>\n
import<\/span> pymysql<\/span>\r\npymysql<\/span>.<\/span>install_as_MySQLdb<\/span>()<\/span>\r\nDATABASES<\/span> =<\/span> {<\/span>\r\n    'default'<\/span>:<\/span> {<\/span>\r\n        #'ENGINE': 'django.db.backends.sqlite3',\r\n<\/span>        #'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),\r\n<\/span>        \"ENGINE\"<\/span>:<\/span> 'django.db.backends.mysql'<\/span>,<\/span>\r\n        \"NAME\"<\/span>:<\/span> \"tutorial\"<\/span>,<\/span>#\u4efb\u610f(phpMyAdmin\u5074\u3067\u4f5c\u6210\u3057\u305fdb\u540d)\r\n<\/span>        \"USER\"<\/span>:<\/span> \"root\"<\/span>,<\/span>\r\n        \"PASSWORD\"<\/span>:<\/span> \"root\"<\/span>,<\/span>\r\n        \"HOST\"<\/span>:<\/span> \"127.0.0.1\"<\/span>,<\/span>\r\n        \"PORT\"<\/span>:<\/span> \"3306\"<\/span>,<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u8868<\/p>\n
$<\/span> python<\/span> manage<\/span>.<\/span>py<\/span> migrate<\/span>\r\n<\/code><\/pre>\n
\u6a21\u578b\u521b\u5efa<\/h2>\n
[\u7528\u4e8ePython\u4ee3\u7801\u7684\u540d\u5b57] = models.[\u6307\u5b9a\u7684\u6570\u636e\u7c7b\u578b]Field(\u53c2\u6570)
\nmodels.ForeignKey([\u8981\u5173\u8054\u7684\u6a21\u578b\u540d\u79f0], on_delete=models.[\u5173\u8054\u5bf9\u8c61\u7684\u5904\u7406\u65b9\u5f0f])
\n\u8fd9\u5c06\u544a\u8bc9Django\u6bcf\u4e2aChoice\u90fd\u4e0e\u4e00\u4e2aQuestion\u76f8\u5173\u8054\u3002
\n\uff08\u6709\u5173on_delete\u7684\u66f4\u591a\u4fe1\u606f\u8bf7\u53c2\u89c1\u6b64\u5904\uff09<\/p>\n
#polls\/models.py\r\n<\/span>from<\/span> django.db<\/span> import<\/span> models<\/span>\r\n\r\nclass<\/span> Question<\/span>(<\/span>models<\/span>.<\/span>Model<\/span>):<\/span>\r\n    question_text<\/span> =<\/span> models<\/span>.<\/span>CharField<\/span>(<\/span>max_length<\/span> =<\/span> 200<\/span>)<\/span>\r\n    pub_date<\/span> =<\/span> models<\/span>.<\/span>DateTimeField<\/span>(<\/span>\"date published\"<\/span>)<\/span>\r\n\r\nclass<\/span> Choice<\/span>(<\/span>models<\/span>.<\/span>Model<\/span>):<\/span>\r\n    question<\/span> =<\/span> models<\/span>.<\/span>ForeignKey<\/span>(<\/span>Question<\/span>,<\/span> on_delete<\/span> =<\/span> models<\/span>.<\/span>CASCADE<\/span>)<\/span>\r\n    choice_text<\/span> =<\/span> models<\/span>.<\/span>CharField<\/span>(<\/span>max_length<\/span> =<\/span> 200<\/span>)<\/span>\r\n    votes<\/span> =<\/span> models<\/span>.<\/span>IntegerField<\/span>(<\/span>default<\/span> =<\/span> 0<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u542f\u7528\u6a21\u578b<\/h2>\n
#mysite\/settings.py\r\n<\/span>INSTALLED_APPS<\/span> =<\/span> [<\/span>\r\n    \"polls.apps.PollsConfig\"<\/span>,<\/span>#\u8ffd\u52a0\r\n<\/span>    'django.contrib.admin'<\/span>,<\/span>\r\n    'django.contrib.auth'<\/span>,<\/span>\r\n    'django.contrib.contenttypes'<\/span>,<\/span>\r\n    'django.contrib.sessions'<\/span>,<\/span>\r\n    'django.contrib.messages'<\/span>,<\/span>\r\n    'django.contrib.staticfiles'<\/span>,<\/span>\r\n]<\/span>\r\n#------------------------------\r\n# polls\/apps.py\r\n<\/span>from<\/span> django.apps<\/span> import<\/span> AppConfig<\/span>\r\n\r\nclass<\/span> PollsConfig<\/span>(<\/span>AppConfig<\/span>):<\/span>#\u3053\u3053\u3092\u53c2\u7167\u3057\u3066\u8ffd\u52a0\r\n<\/span>    name<\/span> =<\/span> 'polls'<\/span>\r\n<\/code><\/pre>\n
\u4f7f\u7528makemigrations\u547d\u4ee4\uff0c\u5411Django\u4f20\u8fbe\u4e86\u6a21\u578b\u5df2\u7ecf\u53d1\u751f\u4e86\u66f4\u6539\u7684\u4fe1\u606f\u3002<\/p>\n
$<\/span> python<\/span> manage<\/span>.<\/span>py<\/span> makemigrations<\/span> polls<\/span>\r\n<\/code><\/pre>\n
\u8bf7\u518d\u6b21\u8fd0\u884c\u8fc1\u79fb\u547d\u4ee4\uff0c\u4ee5\u4fbf\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u6a21\u578b\u7684\u8868\u683c\u3002<\/p>\n
$<\/span> python<\/span> manage<\/span>.<\/span>py<\/span> migrate<\/span>\r\n<\/code><\/pre>\n
\u4ee5\u4e0b\u7684\u4e09\u4e2a\u6b65\u9aa4\u975e\u5e38\u91cd\u8981\u3002<\/h2>\n
    \n
  • \n
      \u30e2\u30c7\u30eb\u3092\u5909\u66f4\u3059\u308b (models.py \u306e\u4e2d\u306e)<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          \u3053\u308c\u3089\u306e\u5909\u66f4\u306e\u305f\u3081\u306e\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b $ python manage.py makemigrations \u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u3053\u308c\u3089\u306e\u5909\u66f4\u3092\u9069\u7528\u3059\u308b\u305f\u3081\u306b $ python manage.py migrate \u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/ul>\n
            \u5b9a\u4e49\u65b9\u6cd5self.str(): \u8fd4\u56deself.question_text<\/h2>\n
            \u5982\u679c\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u64cd\u4f5c\uff0c\u5c31\u53ef\u4ee5\u907f\u514d\u6210\u4e3a\u4e00\u4e2a\u95ee\u9898\u5bf9\u8c61\uff081\uff09\u3002\uff08\u6309\u7167\u6559\u7a0b\u7684\u6307\u793a\uff0c\u5c06\u663e\u793a”What’s up?”\uff09<\/p>\n
            #polls\/models.py\r\n<\/span>class<\/span> Question<\/span>(<\/span>models<\/span>.<\/span>Model<\/span>):<\/span>\r\n    question_text<\/span> =<\/span> models<\/span>.<\/span>CharField<\/span>(<\/span>max_length<\/span> =<\/span> 200<\/span>)<\/span>\r\n    pub_date<\/span> =<\/span> models<\/span>.<\/span>DateTimeField<\/span>(<\/span>\"date published\"<\/span>)<\/span>\r\n    def<\/span> __str__<\/span>(<\/span>self<\/span>):<\/span>#\u8ffd\u52a0\r\n<\/span>        return<\/span> self<\/span>.<\/span>question_text<\/span>#\u8ffd\u52a0\r\n<\/span>\r\nclass<\/span> Choice<\/span>(<\/span>models<\/span>.<\/span>Model<\/span>):<\/span>\r\n    question<\/span> =<\/span> models<\/span>.<\/span>ForeignKey<\/span>(<\/span>Question<\/span>,<\/span> on_delete<\/span> =<\/span> models<\/span>.<\/span>CASCADE<\/span>)<\/span>\r\n    choice_text<\/span> =<\/span> models<\/span>.<\/span>CharField<\/span>(<\/span>max_length<\/span> =<\/span> 200<\/span>)<\/span>\r\n    votes<\/span> =<\/span> models<\/span>.<\/span>IntegerField<\/span>(<\/span>default<\/span> =<\/span> 0<\/span>)<\/span>\r\n    def<\/span> __str__<\/span>(<\/span>self<\/span>):<\/span>#\u8ffd\u52a0\r\n<\/span>        return<\/span> self<\/span>.<\/span>choice_text<\/span>#\u8ffd\u52a0\r\n<\/span><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
            Django\u5b98\u65b9\u6587\u6863\u6559\u7a0b2 \u8bf7\u7b80\u8ff0 \u6570\u636e\u5e93\u8bbe\u7f6e (phpMyAdmin\uff0cMySQL\uff0cDjango==2.1)  […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-49954","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nDjango\u6559\u7a0b[\u7b2c\u4e8c\u90e8\u5206] - 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\/django\u6559\u7a0b\u7b2c\u4e8c\u90e8\u5206\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Django\u6559\u7a0b[\u7b2c\u4e8c\u90e8\u5206]\" \/>\n<meta property=\"og:description\" content=\"Django\u5b98\u65b9\u6587\u6863\u6559\u7a0b2 \u8bf7\u7b80\u8ff0 \u6570\u636e\u5e93\u8bbe\u7f6e (phpMyAdmin\uff0cMySQL\uff0cDjango==2.1) […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/django\u6559\u7a0b\u7b2c\u4e8c\u90e8\u5206\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-20T20:57:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-30T13:33:57+00:00\" \/>\n<meta name=\"author\" content=\"\u5b87, \u534e\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u5b87, \u534e\" \/>\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\/django%e6%95%99%e7%a8%8b%e7%ac%ac%e4%ba%8c%e9%83%a8%e5%88%86\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/django%e6%95%99%e7%a8%8b%e7%ac%ac%e4%ba%8c%e9%83%a8%e5%88%86\/\",\"name\":\"Django\u6559\u7a0b[\u7b2c\u4e8c\u90e8\u5206] - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-07-20T20:57:49+00:00\",\"dateModified\":\"2024-04-30T13:33:57+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/513018e4e121d3add1b7c5de8be21458\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/django%e6%95%99%e7%a8%8b%e7%ac%ac%e4%ba%8c%e9%83%a8%e5%88%86\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/django%e6%95%99%e7%a8%8b%e7%ac%ac%e4%ba%8c%e9%83%a8%e5%88%86\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/django%e6%95%99%e7%a8%8b%e7%ac%ac%e4%ba%8c%e9%83%a8%e5%88%86\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Django\u6559\u7a0b[\u7b2c\u4e8c\u90e8\u5206]\"}]},{\"@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\/513018e4e121d3add1b7c5de8be21458\",\"name\":\"\u5b87, \u534e\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/63cd45cbc05a35fc4ff7637a163c83c4962ef58d27472726c3a3e0c9c5194f0f?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/63cd45cbc05a35fc4ff7637a163c83c4962ef58d27472726c3a3e0c9c5194f0f?s=96&d=mm&r=g\",\"caption\":\"\u5b87, \u534e\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/yuhua\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/django%e6%95%99%e7%a8%8b%e7%ac%ac%e4%ba%8c%e9%83%a8%e5%88%86\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Django\u6559\u7a0b[\u7b2c\u4e8c\u90e8\u5206] - 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\/django\u6559\u7a0b\u7b2c\u4e8c\u90e8\u5206\/","og_locale":"zh_CN","og_type":"article","og_title":"Django\u6559\u7a0b[\u7b2c\u4e8c\u90e8\u5206]","og_description":"Django\u5b98\u65b9\u6587\u6863\u6559\u7a0b2 \u8bf7\u7b80\u8ff0 \u6570\u636e\u5e93\u8bbe\u7f6e (phpMyAdmin\uff0cMySQL\uff0cDjango==2.1) […]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/django\u6559\u7a0b\u7b2c\u4e8c\u90e8\u5206\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-07-20T20:57:49+00:00","article_modified_time":"2024-04-30T13:33:57+00:00","author":"\u5b87, \u534e","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u5b87, \u534e","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/django%e6%95%99%e7%a8%8b%e7%ac%ac%e4%ba%8c%e9%83%a8%e5%88%86\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/django%e6%95%99%e7%a8%8b%e7%ac%ac%e4%ba%8c%e9%83%a8%e5%88%86\/","name":"Django\u6559\u7a0b[\u7b2c\u4e8c\u90e8\u5206] - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-07-20T20:57:49+00:00","dateModified":"2024-04-30T13:33:57+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/513018e4e121d3add1b7c5de8be21458"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/django%e6%95%99%e7%a8%8b%e7%ac%ac%e4%ba%8c%e9%83%a8%e5%88%86\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/django%e6%95%99%e7%a8%8b%e7%ac%ac%e4%ba%8c%e9%83%a8%e5%88%86\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/django%e6%95%99%e7%a8%8b%e7%ac%ac%e4%ba%8c%e9%83%a8%e5%88%86\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"Django\u6559\u7a0b[\u7b2c\u4e8c\u90e8\u5206]"}]},{"@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\/513018e4e121d3add1b7c5de8be21458","name":"\u5b87, \u534e","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/63cd45cbc05a35fc4ff7637a163c83c4962ef58d27472726c3a3e0c9c5194f0f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/63cd45cbc05a35fc4ff7637a163c83c4962ef58d27472726c3a3e0c9c5194f0f?s=96&d=mm&r=g","caption":"\u5b87, \u534e"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/yuhua\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/django%e6%95%99%e7%a8%8b%e7%ac%ac%e4%ba%8c%e9%83%a8%e5%88%86\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/49954","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\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=49954"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/49954\/revisions"}],"predecessor-version":[{"id":94427,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/49954\/revisions\/94427"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=49954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=49954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=49954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}