{"id":49669,"date":"2022-12-06T12:44:40","date_gmt":"2024-01-19T16:16:31","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8django%e4%b8%ad%ef%bc%8c%e7%a1%ae%e8%ae%a4orm%e8%a1%8c%e4%b8%ba%e7%9a%84%e6%96%b9%e6%b3%95%e6%98%af%e4%bd%bf%e7%94%a8%e4%b8%80%e4%b8%aa%e6%96%87%e4%bb%b6%e3%80%82\/"},"modified":"2024-04-29T03:59:19","modified_gmt":"2024-04-28T19:59:19","slug":"%e5%9c%a8django%e4%b8%ad%ef%bc%8c%e7%a1%ae%e8%ae%a4orm%e8%a1%8c%e4%b8%ba%e7%9a%84%e6%96%b9%e6%b3%95%e6%98%af%e4%bd%bf%e7%94%a8%e4%b8%80%e4%b8%aa%e6%96%87%e4%bb%b6%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8django%e4%b8%ad%ef%bc%8c%e7%a1%ae%e8%ae%a4orm%e8%a1%8c%e4%b8%ba%e7%9a%84%e6%96%b9%e6%b3%95%e6%98%af%e4%bd%bf%e7%94%a8%e4%b8%80%e4%b8%aa%e6%96%87%e4%bb%b6%e3%80%82\/","title":{"rendered":"\u5728Django\u4e2d\uff0c\u786e\u8ba4ORM\u884c\u4e3a\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u4e00\u4e2a\u6587\u4ef6"},"content":{"rendered":"<h1>\u5982\u4f55\u5728Django\u4e2d\u4f7f\u7528\u5355\u4e2a\u6587\u4ef6\u6765\u9a8c\u8bc1ORM\u7684\u884c\u4e3a\uff1f<\/h1>\n<p>\u4ee5\u524d\u6211\u5199\u4e86\u4e00\u4e2a\u5173\u4e8e\u5982\u4f55\u5728\u4e00\u4e2a\u6587\u4ef6\u4e2d\u521b\u5efa hello world \u7684\u65b9\u6cd5\u3002\u5728 django \u4e2d\uff0c\u6211\u53ef\u80fd\u6700\u60f3\u5c1d\u8bd5\u7684\u662f ORM \u90e8\u5206\u3002\u8fd9\u662f\u5173\u4e8e\u5982\u4f55\u5728\u4ec5\u6709\u4e00\u4e2a\u6587\u4ef6\u4e2d\u5c1d\u8bd5 ORM \u90e8\u5206\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u5728\u6700\u65b0\u7684Django\u4e2d\uff0c\u867d\u7136\u9700\u8981\u7a0d\u5fae\u4fee\u6539\u4e00\u4e0b\u6587\u4ef6\u624d\u80fd\u5c1d\u8bd5\uff0c\u4f46\u73b0\u5728\u5df2\u7ecf\u53ef\u4ee5\u76f8\u5bf9\u5bb9\u6613\u5730\u505a\u5230\u8fd9\u4e00\u70b9\u3002<\/p>\n<p>\u9700\u8981\u5b8c\u6210\u4ee5\u4e0b\u5177\u4f53\u5de5\u4f5c\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">settings\u3092python\u5074\u304b\u3089\u8a2d\u5b9a\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">django\u306eApplicationRegistry\u306bmodel\u3092\u767b\u9332\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u5404model\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u751f\u6210\u3059\u308b<\/ul>\n<h2>\u4f7f\u7528Python\u4ece\u8bbe\u7f6e\u4e2d\u8fdb\u884c\u914d\u7f6e\u3002<\/h2>\n<p>\u5982\u679c\u6ca1\u6709\u8bbe\u7f6e\u201csettings\u201d\u7684\u8bbe\u7f6e\uff0c\u5c06\u4f1a\u51fa\u73b0\u4ee5\u4e0b\u7c7b\u4f3c\u7684\u5f02\u5e38\u3002<\/p>\n<pre class=\"post-pre\"><code>django.core.exceptions.ImproperlyConfigured: Requested setting DEFAULT_INDEX_TABLESPACE, but settings are not configured. You must either define the environment variable DJANGO_SETTINGS_MODULE or call settings.configure() before accessing settings.\r\n<\/code><\/pre>\n<p>\u6309\u7167\u9519\u8bef\u6d88\u606f\u6240\u8bf4\uff0c\u8981\u4e48\u5c06DJANGO_SETTINGS_MODULE\u6ce8\u518c\u4e3a\u73af\u5883\u53d8\u91cf\uff0c\u8981\u4e48\u8c03\u7528settings.configure()\u3002<br \/>\n\u4ee5\u4e0b\u662f\u6700\u57fa\u672c\u5fc5\u9700\u7684\u8bbe\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"nn\">django.conf<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">settings<\/span>\r\n\r\n<span class=\"n\">settings<\/span><span class=\"p\">.<\/span><span class=\"n\">configure<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"n\">DEBUG<\/span><span class=\"o\">=<\/span><span class=\"bp\">True<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">DATABASES<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"s\">\"default\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"s\">\"ENGINE\"<\/span><span class=\"p\">:<\/span> <span class=\"s\">\"django.db.backends.sqlite3\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"s\">\"NAME\"<\/span><span class=\"p\">:<\/span> <span class=\"s\">\":memory:\"<\/span>\r\n    <span class=\"p\">}},<\/span>\r\n    <span class=\"n\">INSTALLED_APPS<\/span><span class=\"o\">=<\/span><span class=\"p\">[<\/span><span class=\"n\">__name__<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u8f93\u51faSQL\u67e5\u8be2\u7ed3\u679c\u65f6\uff0c\u5c06DEBUG=True\u8bbe\u7f6e\u4e3aTrue\u662f\u5f88\u6709\u5fc5\u8981\u7684\uff0c\u56e0\u6b64\u6700\u597d\u6dfb\u52a0\u4e0a\u5b83\u3002\u53e6\u5916\uff0cDB\u7684\u8bbe\u7f6e\u4e5f\u662f\u5fc5\u9700\u7684\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u6307\u5b9a\u4e86\u4e00\u4e2a\u5185\u5b58\u4e2d\u7684SQLite\u6570\u636e\u5e93\u3002\u5173\u4e8eINSTALLED_APPS\uff0c\u5982\u679c\u5728\u6ce8\u518c\u6a21\u578b\u65f6\u5fd8\u8bb0\u6307\u5b9a\uff0c\u90a3\u4e48ManyToMany\u5173\u7cfb\u53ef\u80fd\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<h2>\u5728Django\u7684ApplicationRegistry\u4e2d\u6ce8\u518c\u6a21\u578b\u3002<\/h2>\n<p>\u8bf7\u8c03\u7528django.setup()\u51fd\u6570\u3002\u8fd9\u5c06\u89e6\u53d1django.apps.registry.Apps\u7684populate()\u51fd\u6570\u3002\u5728populate()\u51fd\u6570\u5185\u90e8\uff0c\u5c06\u4f1a\u6ce8\u518cmodel\u5230django\u7684\u6ce8\u518c\u8868\u4e2d\u3002\u5982\u679c\u5ffd\u7565\u4e86\u8fd9\u4e00\u6b65\u9aa4\uff0c\u90a3\u4e48\u5728\u8c03\u7528Model.save()\u7684\u65f6\u5019\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4ee5\u4e0b\u9519\u8bef\u7684\u53d1\u751f\u3002<\/p>\n<pre class=\"post-pre\"><code>django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet.\r\n<\/code><\/pre>\n<p>\u4f5c\u4e3a\u53e6\u4e00\u4e2a\u6ce8\u610f\u4e8b\u9879\uff0c\u8bf7\u5728\u5b9a\u4e49\u6a21\u578b\u65f6\u8bbe\u7f6eapp_label\u3002\u5982\u679c\u6ca1\u6709\u8bbe\u7f6e\uff0c\u5c06\u65e0\u6cd5\u751f\u6210\u6a21\u578b\u7c7b\u3002\u4f1a\u51fa\u73b0\u4ee5\u4e0b\u7c7b\u4f3c\u7684\u9519\u8bef\u3002<\/p>\n<pre class=\"post-pre\"><code>IndexError: list index out of range\r\n<\/code><\/pre>\n<p>\u8fd9\u662f\u5728\u5b9a\u4e49\u65f6\u5e94\u8be5\u91c7\u53d6\u7684\u6b65\u9aa4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">class<\/span> <span class=\"nc\">X<\/span><span class=\"p\">(<\/span><span class=\"n\">models<\/span><span class=\"p\">.<\/span><span class=\"n\">Model<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"n\">models<\/span><span class=\"p\">.<\/span><span class=\"n\">CharField<\/span><span class=\"p\">(<\/span><span class=\"n\">max_length<\/span><span class=\"o\">=<\/span><span class=\"mi\">255<\/span><span class=\"p\">,<\/span> <span class=\"n\">default<\/span><span class=\"o\">=<\/span><span class=\"s\">\"foo\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">blank<\/span><span class=\"o\">=<\/span><span class=\"bp\">True<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"k\">class<\/span> <span class=\"nc\">Meta<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">app_label<\/span> <span class=\"o\">=<\/span> <span class=\"n\">__name__<\/span>\r\n<\/code><\/pre>\n<h2>\u751f\u6210\u4e0d\u540cmodel\u7684\u8868\u683c<\/h2>\n<p>\u5728\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4f1a\u4f7f\u7528\u7c7b\u4f3c\u4e8e &#8220;python manage.py migrate&#8221; \u7684\u547d\u4ee4\u6765\u751f\u6210\u6570\u636e\u5e93\u8868\u683c\u3002\u4f46\u662f\uff0c\u5728\u53ea\u6709\u4e00\u4e2a\u6587\u4ef6\u7684\u60c5\u51b5\u4e0b\uff0c\u6ca1\u6709\u8fd9\u4e2a\u6b65\u9aa4\u3002\u6211\u4eec\u9700\u8981\u8003\u8651\u5176\u4ed6\u65b9\u6cd5\u3002<br \/>\n\u6bd4\u5982\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u51fd\u6570\u6765\u751f\u6210\u8868\u683c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"nn\">django.db<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">connections<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.core.management.color<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">no_style<\/span>\r\n\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">create_table<\/span><span class=\"p\">(<\/span><span class=\"n\">model<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">connection<\/span> <span class=\"o\">=<\/span> <span class=\"n\">connections<\/span><span class=\"p\">[<\/span><span class=\"s\">'default'<\/span><span class=\"p\">]<\/span>\r\n    <span class=\"n\">cursor<\/span> <span class=\"o\">=<\/span> <span class=\"n\">connection<\/span><span class=\"p\">.<\/span><span class=\"n\">cursor<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">sql<\/span><span class=\"p\">,<\/span> <span class=\"n\">references<\/span> <span class=\"o\">=<\/span> <span class=\"n\">connection<\/span><span class=\"p\">.<\/span><span class=\"n\">creation<\/span><span class=\"p\">.<\/span><span class=\"n\">sql_create_model<\/span><span class=\"p\">(<\/span><span class=\"n\">model<\/span><span class=\"p\">,<\/span> <span class=\"n\">no_style<\/span><span class=\"p\">())<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"n\">statement<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">sql<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">cursor<\/span><span class=\"p\">.<\/span><span class=\"n\">execute<\/span><span class=\"p\">(<\/span><span class=\"n\">statement<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"k\">for<\/span> <span class=\"n\">f<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">model<\/span><span class=\"p\">.<\/span><span class=\"n\">_meta<\/span><span class=\"p\">.<\/span><span class=\"n\">many_to_many<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">create_table<\/span><span class=\"p\">(<\/span><span class=\"n\">f<\/span><span class=\"p\">.<\/span><span class=\"n\">rel<\/span><span class=\"p\">.<\/span><span class=\"n\">through<\/span><span class=\"p\">)<\/span>\r\n\r\n\r\n<span class=\"c1\"># \u4e00\u3064\u4e00\u3064\u751f\u6210\u3057\u3066\u3044\u304f\u5fc5\u8981\u304c\u3042\u308b\r\n<\/span><span class=\"n\">create_table<\/span><span class=\"p\">(<\/span><span class=\"n\">X<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u603b\u7ed3\u4ee5\u4e0a\u5185\u5bb9\u5982\u4e0b\uff0c\u8fd9\u6837\u60a8\u5c31\u53ef\u4ee5\u65b9\u4fbf\u5730\u786e\u8ba4\u6a21\u578b\u7684\u884c\u4e3a\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># -*- coding:utf-8 -*-\r\n<\/span><span class=\"kn\">import<\/span> <span class=\"nn\">django<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.db<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">models<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.conf<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">settings<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.db<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">connections<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.core.management.color<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">no_style<\/span>\r\n\r\n\r\n<span class=\"n\">settings<\/span><span class=\"p\">.<\/span><span class=\"n\">configure<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"n\">DEBUG<\/span><span class=\"o\">=<\/span><span class=\"bp\">True<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">DATABASES<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"s\">\"default\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"s\">\"ENGINE\"<\/span><span class=\"p\">:<\/span> <span class=\"s\">\"django.db.backends.sqlite3\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"s\">\"NAME\"<\/span><span class=\"p\">:<\/span> <span class=\"s\">\":memory:\"<\/span>\r\n    <span class=\"p\">}},<\/span>\r\n    <span class=\"n\">INSTALLED_APPS<\/span><span class=\"o\">=<\/span><span class=\"p\">[<\/span><span class=\"n\">__name__<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">create_table<\/span><span class=\"p\">(<\/span><span class=\"n\">model<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">connection<\/span> <span class=\"o\">=<\/span> <span class=\"n\">connections<\/span><span class=\"p\">[<\/span><span class=\"s\">'default'<\/span><span class=\"p\">]<\/span>\r\n    <span class=\"n\">cursor<\/span> <span class=\"o\">=<\/span> <span class=\"n\">connection<\/span><span class=\"p\">.<\/span><span class=\"n\">cursor<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">sql<\/span><span class=\"p\">,<\/span> <span class=\"n\">references<\/span> <span class=\"o\">=<\/span> <span class=\"n\">connection<\/span><span class=\"p\">.<\/span><span class=\"n\">creation<\/span><span class=\"p\">.<\/span><span class=\"n\">sql_create_model<\/span><span class=\"p\">(<\/span><span class=\"n\">model<\/span><span class=\"p\">,<\/span> <span class=\"n\">no_style<\/span><span class=\"p\">())<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"n\">statement<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">sql<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">cursor<\/span><span class=\"p\">.<\/span><span class=\"n\">execute<\/span><span class=\"p\">(<\/span><span class=\"n\">statement<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"k\">for<\/span> <span class=\"n\">f<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">model<\/span><span class=\"p\">.<\/span><span class=\"n\">_meta<\/span><span class=\"p\">.<\/span><span class=\"n\">many_to_many<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">create_table<\/span><span class=\"p\">(<\/span><span class=\"n\">f<\/span><span class=\"p\">.<\/span><span class=\"n\">rel<\/span><span class=\"p\">.<\/span><span class=\"n\">through<\/span><span class=\"p\">)<\/span>\r\n\r\n\r\n<span class=\"k\">class<\/span> <span class=\"nc\">X<\/span><span class=\"p\">(<\/span><span class=\"n\">models<\/span><span class=\"p\">.<\/span><span class=\"n\">Model<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"n\">models<\/span><span class=\"p\">.<\/span><span class=\"n\">CharField<\/span><span class=\"p\">(<\/span><span class=\"n\">max_length<\/span><span class=\"o\">=<\/span><span class=\"mi\">255<\/span><span class=\"p\">,<\/span> <span class=\"n\">default<\/span><span class=\"o\">=<\/span><span class=\"s\">\"foo\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">blank<\/span><span class=\"o\">=<\/span><span class=\"bp\">True<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"k\">class<\/span> <span class=\"nc\">Meta<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">app_label<\/span> <span class=\"o\">=<\/span> <span class=\"n\">__name__<\/span>\r\n\r\n\r\n<span class=\"k\">if<\/span> <span class=\"n\">__name__<\/span> <span class=\"o\">==<\/span> <span class=\"s\">\"__main__\"<\/span><span class=\"p\">:<\/span>\r\n    <span class=\"kn\">import<\/span> <span class=\"nn\">logging<\/span>\r\n    <span class=\"n\">logging<\/span><span class=\"p\">.<\/span><span class=\"n\">basicConfig<\/span><span class=\"p\">(<\/span><span class=\"n\">level<\/span><span class=\"o\">=<\/span><span class=\"n\">logging<\/span><span class=\"p\">.<\/span><span class=\"n\">DEBUG<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">django<\/span><span class=\"p\">.<\/span><span class=\"n\">setup<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">create_table<\/span><span class=\"p\">(<\/span><span class=\"n\">X<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"n\">xs<\/span> <span class=\"o\">=<\/span> <span class=\"n\">X<\/span><span class=\"p\">.<\/span><span class=\"n\">objects<\/span><span class=\"p\">.<\/span><span class=\"n\">bulk_create<\/span><span class=\"p\">([<\/span><span class=\"n\">X<\/span><span class=\"p\">(<\/span><span class=\"nb\">id<\/span><span class=\"o\">=<\/span><span class=\"mi\">1<\/span><span class=\"p\">),<\/span> <span class=\"n\">X<\/span><span class=\"p\">(<\/span><span class=\"nb\">id<\/span><span class=\"o\">=<\/span><span class=\"mi\">2<\/span><span class=\"p\">),<\/span> <span class=\"n\">X<\/span><span class=\"p\">(<\/span><span class=\"nb\">id<\/span><span class=\"o\">=<\/span><span class=\"mi\">3<\/span><span class=\"p\">)])<\/span>\r\n\r\n    <span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"n\">X<\/span><span class=\"p\">.<\/span><span class=\"n\">objects<\/span><span class=\"p\">.<\/span><span class=\"n\">count<\/span><span class=\"p\">())<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728Django\u4e2d\u4f7f\u7528\u5355\u4e2a\u6587\u4ef6\u6765\u9a8c\u8bc1ORM\u7684\u884c\u4e3a\uff1f \u4ee5\u524d\u6211\u5199\u4e86\u4e00\u4e2a\u5173\u4e8e\u5982\u4f55\u5728\u4e00\u4e2a\u6587\u4ef6\u4e2d\u521b\u5efa hello wo [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-49669","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5728Django\u4e2d\uff0c\u786e\u8ba4ORM\u884c\u4e3a\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u4e00\u4e2a\u6587\u4ef6 - 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\/\u5728django\u4e2d\uff0c\u786e\u8ba4orm\u884c\u4e3a\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u4e00\u4e2a\u6587\u4ef6\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5728Django\u4e2d\uff0c\u786e\u8ba4ORM\u884c\u4e3a\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u4e00\u4e2a\u6587\u4ef6\" \/>\n<meta property=\"og:description\" content=\"\u5982\u4f55\u5728Django\u4e2d\u4f7f\u7528\u5355\u4e2a\u6587\u4ef6\u6765\u9a8c\u8bc1ORM\u7684\u884c\u4e3a\uff1f \u4ee5\u524d\u6211\u5199\u4e86\u4e00\u4e2a\u5173\u4e8e\u5982\u4f55\u5728\u4e00\u4e2a\u6587\u4ef6\u4e2d\u521b\u5efa hello wo [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5728django\u4e2d\uff0c\u786e\u8ba4orm\u884c\u4e3a\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u4e00\u4e2a\u6587\u4ef6\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-19T16:16:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-28T19:59:19+00:00\" \/>\n<meta name=\"author\" content=\"\u6587, 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