{"id":50037,"date":"2023-11-24T17:57:45","date_gmt":"2022-11-22T21:46:14","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/django%e6%95%99%e7%a8%8b%e2%91%a3%ef%bc%88%e6%a8%a1%e6%9d%bf%ef%bc%89\/"},"modified":"2024-05-04T10:36:12","modified_gmt":"2024-05-04T02:36:12","slug":"django%e6%95%99%e7%a8%8b%e2%91%a3%ef%bc%88%e6%a8%a1%e6%9d%bf%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/django%e6%95%99%e7%a8%8b%e2%91%a3%ef%bc%88%e6%a8%a1%e6%9d%bf%ef%bc%89\/","title":{"rendered":"Django\u6559\u7a0b\u2463\uff08\u6a21\u677f\uff09"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u5728Django\u6559\u7a0b\u7b2c3\u90e8\u5206\uff08\u521b\u5efa\u6a21\u578b\u3001Django\u7ba1\u7406\u5458\uff09\u4e4b\u540e\uff0c\u5c1d\u8bd5\u521b\u5efa\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u3002\u5728\u7b2c\u4e00\u6b21\u521b\u5efaDjango\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u53c2\u8003\u300a\u5b9e\u7528Django\u6559\u7a0b\uff08\u57fa\u7840\u7bc7\uff09\u300b\uff0c\u7b2c3\u8282\u3002 \uff08*\u8bf7\u6ce8\u610f\uff0c\u5728\u672c\u6587\u7684\u540e\u534a\u90e8\u5206\u4e2d\u51fa\u73b0\u7684\u89c6\u56fe\u56fe\u50cf\u53d6\u51b3\u4e8e\u7b2c\u4e8c\u90e8\u5206\u7684\u201c\u5c1d\u8bd5\u73a9API\u201d\uff0c\u53ea\u6709\u521b\u5efa\u4e86\u540d\u4e3a\u201cWhat&#8217;s up?\u201d\u7684\u95ee\u9898\u4ee5\u53ca\u4e0e\u4e4b\u5173\u8054\u7684\u201cNot much\u201d\u548c\u201cThe sky\u201d\u9009\u9879\uff0c\u624d\u4f1a\u663e\u793a\u8be5\u56fe\u50cf\u3002\uff09<\/p>\n<h1>\u9019\u662f\u96fb\u8166\u8f49\u63db\u5668\u7684\u65e5\u6587\u5beb\u6cd5\u3002<\/h1>\n<p>\u6309\u7167\u6559\u7a0b\u7684\u6307\u793a\uff0c\u5728polls\/views.py\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u89c6\u56fe\u51fd\u6570\uff0c\u5e76\u5728polls\/urls.py\u4e2d\u6ce8\u518c\u4e0e\u8be5\u89c6\u56fe\u51fd\u6570\u76f8\u5173\u8054\u7684URLconf\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">def<\/span> <span class=\"nf\">detail<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">,<\/span> <span class=\"n\">question_id<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">HttpResponse<\/span><span class=\"p\">(<\/span><span class=\"s\">\"You're looking at question %s.\"<\/span> <span class=\"o\">%<\/span> <span class=\"n\">question_id<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">results<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">,<\/span> <span class=\"n\">question_id<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">response<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"You're looking at the results of question %s.\"<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">HttpResponse<\/span><span class=\"p\">(<\/span><span class=\"n\">response<\/span> <span class=\"o\">%<\/span> <span class=\"n\">question_id<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">vote<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">,<\/span> <span class=\"n\">question_id<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">HttpResponse<\/span><span class=\"p\">(<\/span><span class=\"s\">\"You're voting on question %s.\"<\/span> <span class=\"o\">%<\/span> <span class=\"n\">question_id<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"nn\">django.urls<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">path<\/span>\r\n\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">.<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">views<\/span>\r\n\r\n<span class=\"n\">app_name<\/span> <span class=\"o\">=<\/span> <span class=\"s\">'polls'<\/span>\r\n<span class=\"n\">urlpatterns<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"n\">path<\/span><span class=\"p\">(<\/span><span class=\"s\">''<\/span><span class=\"p\">,<\/span> <span class=\"n\">views<\/span><span class=\"p\">.<\/span><span class=\"n\">index<\/span><span class=\"p\">,<\/span> <span class=\"n\">name<\/span><span class=\"o\">=<\/span><span class=\"s\">'index'<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"n\">path<\/span><span class=\"p\">(<\/span><span class=\"s\">'&lt;int:question_id&gt;\/'<\/span><span class=\"p\">,<\/span> <span class=\"n\">views<\/span><span class=\"p\">.<\/span><span class=\"n\">detail<\/span><span class=\"p\">,<\/span> <span class=\"n\">name<\/span><span class=\"o\">=<\/span><span class=\"s\">'detail'<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"n\">path<\/span><span class=\"p\">(<\/span><span class=\"s\">'&lt;int:question_id&gt;\/results\/'<\/span><span class=\"p\">,<\/span> <span class=\"n\">views<\/span><span class=\"p\">.<\/span><span class=\"n\">results<\/span><span class=\"p\">,<\/span> <span class=\"n\">name<\/span><span class=\"o\">=<\/span><span class=\"s\">'results'<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"n\">path<\/span><span class=\"p\">(<\/span><span class=\"s\">'&lt;int:question_id&gt;\/vote\/'<\/span><span class=\"p\">,<\/span> <span class=\"n\">views<\/span><span class=\"p\">.<\/span><span class=\"n\">vote<\/span><span class=\"p\">,<\/span> <span class=\"n\">name<\/span><span class=\"o\">=<\/span><span class=\"s\">'vote'<\/span><span class=\"p\">),<\/span>\r\n<span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n<p>\u91cd\u8981\u7684\u662f\u5728urls.py\u4e2d\u6240\u5199\u7684&#8221;\u3002\u4f7f\u7528&lt;&gt;\u53ef\u4ee5\u5c06URL\u7684\u4e00\u90e8\u5206\u4f5c\u4e3a\u5173\u952e\u5b57\u53d8\u91cf\u4f20\u9012\u7ed9\u89c6\u56fe\u51fd\u6570\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6709\u4e00\u4e2a\u8bf7\u6c42&#8221;\/polls\/34\/&#8221;\uff0cdetail\u51fd\u6570\u5c06\u4ee5question_id\u53c2\u6570\u63a5\u653634\u3002\u8fd9\u662f\u4e00\u79cd\u8def\u5f84\u8f6c\u6362\u5668\u7684\u8bed\u6cd5\uff0cDjango\u63d0\u4f9b\u4e865\u79cd\u8f6c\u6362\u5668\uff1a&#8221;int\uff0cstr\uff0cpath\uff0cslug\uff0cuuid&#8221;\uff0c\u4e5f\u53ef\u4ee5\u81ea\u5b9a\u4e49\u8f6c\u6362\u5668\u3002<\/p>\n<h1>DTL\uff08Django\u6a21\u677f\u8bed\u8a00\uff09<\/h1>\n<p>Django\u4f7f\u7528\u4e86\u4e00\u4e2a\u540d\u4e3aDTL\u7684\u6a21\u677f\u7cfb\u7edf\uff0c\u53ef\u4ee5\u5b9e\u73b0\u53d8\u91cf\u663e\u793a\u3001\u8fc7\u6ee4\u5668\u3001\u6a21\u677f\u6807\u7b7e\u7b49\u529f\u80fd\u3002\u5173\u4e8e\u6709\u54ea\u4e9b\u5185\u5bb9\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u5b98\u65b9\u6587\u6863\u3002<br \/>\n\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u5904\u7406\u7684\u89c6\u56fe\u51fd\u6570\u5728\u7f16\u7801\u4e2d\u4e5f\u6d89\u53ca\u4e86\u8bbe\u8ba1\u90e8\u5206\uff08\u867d\u7136\u8fd9\u91cc\u7684\u8bbe\u8ba1\u53ea\u662f\u5c06\u5b57\u7b26\u4e32\u6392\u5217\u8d77\u6765\uff09\u3002\u56e0\u6b64\uff0c\u5982\u679c\u8981\u66f4\u6539\u9875\u9762\u8bbe\u8ba1\uff0c\u5c31\u5fc5\u987b\u7f16\u8f91Python\u4ee3\u7801\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u4f7f\u7528DTL\u5c06\u8bbe\u8ba1\u4e0ePython\u4ee3\u7801\u5206\u79bb\u3002<\/p>\n<p>\u9996\u5148\uff0c\u8981\u8bbe\u7f6econfig\/settings.py\u4e2d\u7684TEMPLATES\u3002\u53ea\u9700\u8981\u4fee\u6539DIRS\u8bbe\u7f6e\u5373\u53ef\uff0c\u5176\u4f59\u8bbe\u7f6e\u4fdd\u6301\u9ed8\u8ba4\u4e0d\u53d8\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">TEMPLATES<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"s\">'BACKEND'<\/span><span class=\"p\">:<\/span> <span class=\"s\">'django.template.backends.django.DjangoTemplates'<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"s\">'DIRS'<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"n\">os<\/span><span class=\"p\">.<\/span><span class=\"n\">path<\/span><span class=\"p\">.<\/span><span class=\"n\">join<\/span><span class=\"p\">(<\/span><span class=\"n\">BASE_DIR<\/span><span class=\"p\">,<\/span> <span class=\"s\">'templates'<\/span><span class=\"p\">)],<\/span>\r\n        <span class=\"s\">'APP_DIRS'<\/span><span class=\"p\">:<\/span> <span class=\"bp\">True<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"s\">'OPTIONS'<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"s\">'context_processors'<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n                <span class=\"s\">'django.template.context_processors.debug'<\/span><span class=\"p\">,<\/span>\r\n                <span class=\"s\">'django.template.context_processors.request'<\/span><span class=\"p\">,<\/span>\r\n                <span class=\"s\">'django.contrib.auth.context_processors.auth'<\/span><span class=\"p\">,<\/span>\r\n                <span class=\"s\">'django.contrib.messages.context_processors.messages'<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"p\">],<\/span>\r\n        <span class=\"p\">},<\/span>\r\n    <span class=\"p\">},<\/span>\r\n<span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">BACKEND : \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30a8\u30f3\u30b8\u30f3\u3092\u8a2d\u5b9a\u3059\u308b\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u4ee5\u5916\u306b\u3082 Jinja2 \u306a\u3069\u3092\u8a2d\u5b9a\u3067\u304d\u308b\u3089\u3057\u3044\u3002Jinja2 \u306e\u65b9\u304c\u6a5f\u80fd\u304c\u8c4a\u5bcc\u3068\u3044\u3046\u3053\u3068\u3082\u805e\u3044\u305f\u304c\u3001\u3053\u3053\u306f\u4e00\u65e6\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u307e\u307e\u3067 Django \u306b\u6163\u308c\u3066\u304d\u305f\u3089\u8a66\u3057\u305f\u3044\u3002<\/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\">DIRS : \u3069\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u512a\u5148\u3057\u3066\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u63a2\u3057\u306b\u884c\u304f\u304b\u3068\u3044\u3046\u9806\u756a\u3092\u6307\u5b9a\u3059\u308b\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f [(\u7a7a\u767d)] \u3060\u304c\u3001\u3053\u3053\u3067\u306f\u4e0a\u8a18\u306e\u3088\u3046\u306b [os.path.join(BASE_DIR, &#8216;templates&#8217;)] \u3068\u3057\u3066\u304a\u304f\u3002\uff08import os \u3092\u5fd8\u308c\u305a\u306b\u3002\uff09\u8a2d\u5b9a\u3092\u5909\u3048\u305f\u7406\u7531\u306f\u5f8c\u8ff0\u3002<\/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\">APP_DIRS : \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u63a2\u3059\u969b\u306b\u5404\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u76f4\u4e0b\u306e templates \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u512a\u5148\u7684\u306b\u63a2\u3057\u306b\u3044\u304f\u304b\u3069\u3046\u304b\u3092\u8a2d\u5b9a\u3059\u308b\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f True \u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">OPTIONS : \u6b63\u76f4\u3042\u3093\u307e\u308a\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u3002\u308f\u304b\u308b\u4eba\u6559\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u4e0a\u8a18\u30b3\u30fc\u30c9\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u307e\u307e\u3002<\/ul>\n<p>\u5728\u8fd9\u91cc\u89e3\u91ca\u66f4\u6539 DIRS \u8bbe\u7f6e\u7684\u539f\u56e0\u3002\u5728\u6559\u7a0b\u4e2d\uff0c\u521b\u5efa\u4e86\u540d\u4e3a polls\/templates\/polls \u7684\u76ee\u5f55\uff0c\u5e76\u5728\u5176\u4e2d\u521b\u5efa\u4e86\u6a21\u677f index.html\uff0c\u4fdd\u6301\u4e86\u9ed8\u8ba4\u8bbe\u7f6e\u3002\u8fd9\u79cd\u7ed3\u6784\u663e\u7136\u4e0d\u6e05\u6670\uff0c\u800c\u4e14\u6839\u636e\u4ee5\u4e0b\u6559\u7a0b\u4e2d\u7684\u539f\u56e0\uff0c\u4e0d\u9700\u8981\u5728 polls\/templates \u76ee\u5f55\u4e0b\u521b\u5efa polls \u5b50\u76ee\u5f55\u624d\u662f\u9002\u5f53\u7684\u3002<\/p>\n<blockquote><p>\u521b\u5efa\u6a21\u677f\u7684\u547d\u540d\u7a7a\u95f4<\/p>\n<p>\u60a8\u53ef\u80fd\u4f1a\u60f3\uff0c\u4e3a\u4ec0\u4e48\u4e0d\u76f4\u63a5\u5c06\u81ea\u5df1\u521b\u5efa\u7684\u6a21\u677f\u653e\u5728polls\/templates\u4e2d\uff0c\u800c\u4e0d\u662f\u521b\u5efa\u53e6\u4e00\u4e2a\u540d\u4e3apolls\u7684\u5b50\u76ee\u5f55\u5462\u3002\u4f46\u662f\uff0c\u5b9e\u9645\u4e0a\u8fd9\u662f\u4e00\u4e2a\u4e0d\u597d\u7684\u60f3\u6cd5\u3002Django\u4f1a\u4f7f\u7528\u4e0e\u540d\u79f0\u5339\u914d\u7684\u7b2c\u4e00\u4e2a\u6a21\u677f\uff0c\u6240\u4ee5\u5982\u679c\u4e0d\u540c\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u6709\u76f8\u540c\u540d\u79f0\u7684\u6a21\u677f\uff0cDjango\u5c06\u65e0\u6cd5\u533a\u5206\u5b83\u4eec\u3002\u56e0\u6b64\uff0c\u60a8\u9700\u8981\u544a\u8bc9Django\u6b63\u786e\u7684\u6a21\u677f\uff0c\u800c\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u5c31\u662f\u4e3a\u5b83\u4eec\u63d0\u4f9b\u547d\u540d\u7a7a\u95f4\u3002\u901a\u8fc7\u5c06\u6a21\u677f\u653e\u5728\u53e6\u4e00\u4e2a\u5177\u6709\u76f8\u540c\u540d\u79f0\u7684\u76ee\u5f55\u4e2d\uff0c\u4e0e\u5e94\u7528\u7a0b\u5e8f\u76f8\u540c\u7684\u540d\u79f0\uff0c\u8fd9\u5c31\u662f\u8fd9\u4e48\u505a\u7684\u539f\u56e0\u3002<\/p><\/blockquote>\n<p>\u4e3a\u4e86\u4f7f\u76ee\u5f55\u7ed3\u6784\u66f4\u52a0\u6e05\u6670\u6613\u61c2\uff0c\u6211\u4eec\u5728\u57fa\u672c\u76ee\u5f55\u4e0b\u521b\u5efa\u4e86\u4e00\u4e2atemplates\u76ee\u5f55\uff0c\u5e76\u5c06\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u7684\u6a21\u677f\u4f5c\u4e3a\u5176\u5b50\u76ee\u5f55\u5904\u7406\u3002\u4ee5\u4e0b\u662f\u5b9e\u9645\u7684\u7ed3\u6784\u793a\u4f8b\uff1a<\/p>\n<p>\u4e3a\u4e86\u4f7f\u76ee\u5f55\u7ed3\u6784\u66f4\u52a0\u6e05\u6670\u6613\u61c2\uff0c\u6211\u4eec\u5728\u57fa\u672c\u76ee\u5f55\u4e0b\u521b\u5efa\u4e86\u4e00\u4e2atemplates\u76ee\u5f55\uff0c\u5e76\u5c06\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u7684\u6a21\u677f\u4f5c\u4e3a\u5176\u5b50\u76ee\u5f55\u5904\u7406\u3002\u4ee5\u4e0b\u662f\u5b9e\u9645\u7684\u7ed3\u6784\u793a\u4f8b\uff1a<\/p>\n<pre class=\"post-pre\"><code>mysite       (&lt;- \u30d9\u30fc\u30b9\u30c7\u30a3\u30ec\u30af\u30c8\u30ea)\r\n|-- manage.py\r\n|-- config   (&lt;- \u8a2d\u5b9a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea)\r\n|   |-- __init__.py\r\n|   |-- asgi.py\r\n|   |-- settings.py\r\n|   |-- urls.py\r\n|   `-- wsgi.py\r\n|-- polls    (&lt;- \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3)\r\n|   |-- __init__.py\r\n|   |-- admin.py\r\n|   |-- apps.py\r\n|   |-- migrations\r\n|   |   `-- __init__.py\r\n|   |-- models.py\r\n|   |-- tests.py\r\n|   `-- views.py\r\n`-- templates (&lt;- \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8)\r\n    `-- polls\r\n        `-- index.html\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u8fd9\u6837\u7684\u914d\u7f6e\uff0c\u6211\u4eec\u53ef\u4ee5\u6e05\u6670\u660e\u4e86\u5730\u4ece\u57fa\u7840\u76ee\u5f55\u4e2d\u7edf\u4e00\u7ba1\u7406\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u7684\u6a21\u677f\u3002\u51fa\u4e8e\u8fd9\u4e2a\u539f\u56e0\uff0c\u6211\u4eec\u6539\u53d8\u4e86DIRS\u7684\u8bbe\u7f6e\u3002\u4f60\u53ef\u80fd\u4f1a\u95ee\uff1a&#8221;\u5982\u679c\u91c7\u7528\u8fd9\u4e2a\u914d\u7f6e\uff0cAPP_DIRS\u5e94\u8be5\u4e0d\u5e94\u8be5\u8bbe\u7f6e\u4e3aFalse\uff0c\u4f18\u5148\u641c\u7d22\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u76ee\u5f55\u4e0b\u7684templates\u5417\uff1f&#8221; \u7136\u800c\uff0c\u5982\u679c\u8fd9\u6837\u8bbe\u7f6e\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u627e\u4e0d\u5230\u7ba1\u7406\u7f51\u7ad9\u7684\u6a21\u677f\u7b49\u95ee\u9898\uff0c\u6240\u4ee5\u6211\u4eec\u4ecd\u7136\u5c06\u5176\u8bbe\u7f6e\u4e3aTrue\u3002\uff08\u5982\u679c\u60f3\u5c1d\u8bd5\uff0c\u8bf7\u5728\u5f00\u53d1\u670d\u52a1\u5668\u4e0a\u5c06 &#8216;APP_DIRS&#8217; \u8bbe\u7f6e\u4e3aFalse\uff0c\u7136\u540e\u8bbf\u95ee http:\/\/localhost:8000\/admin\/\uff0c\u60a8\u5c06\u4f1a\u770b\u5230\u9519\u8bef\u4fe1\u606f\u3002\uff09<\/p>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u6709\u5173 admin \u7684\u6a21\u677f\u53ef\u4ee5\u5728 django\/contrib\/admin\/templates\/admin \u76ee\u5f55\u4e0b\u627e\u5230\u3002\u8981\u77e5\u9053 django \u6e90\u6587\u4ef6\u7684\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u4f7f\u7528 $ python -c &#8220;import django; print(django.__path__)&#8221; \u547d\u4ee4\u3002<\/p>\n<h1>\u521b\u5efa\u6a21\u677f<\/h1>\n<p>\u5728\u521b\u5efa\u6a21\u677f\u4e4b\u524d\uff0c\u9700\u8981\u4fee\u6539polls\/views.py\u6587\u4ef6\u4e2d\u7684index\u51fd\u6570\u4ee5\u663e\u793a\u6a21\u677f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"nn\">django.shortcuts<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">render<\/span>\r\n\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">.models<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">Question<\/span>\r\n\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">index<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">latest_question_list<\/span> <span class=\"o\">=<\/span> <span class=\"n\">Question<\/span><span class=\"p\">.<\/span><span class=\"n\">objects<\/span><span class=\"p\">.<\/span><span class=\"n\">order_by<\/span><span class=\"p\">(<\/span><span class=\"s\">'-pub_date'<\/span><span class=\"p\">)[:<\/span><span class=\"mi\">5<\/span><span class=\"p\">]<\/span>\r\n    <span class=\"n\">context<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span><span class=\"s\">'latest_question_list'<\/span><span class=\"p\">:<\/span> <span class=\"n\">latest_question_list<\/span><span class=\"p\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">render<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">,<\/span> <span class=\"s\">'polls\/index.html'<\/span><span class=\"p\">,<\/span> <span class=\"n\">context<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>render()\u51fd\u6570\u63a5\u53d7\u4e09\u4e2a\u53c2\u6570\uff1a\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u8bf7\u6c42\u5bf9\u8c61\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u6a21\u677f\u540d\u79f0\uff0c\u7b2c\u4e09\u4e2a\u53c2\u6570\uff08\u53ef\u9009\uff09\u662f\u4ee5\u5b57\u5178\u5f62\u5f0f\u6307\u5b9a\u7684\u4e0a\u4e0b\u6587\u3002\u5b83\u5c06\u4f7f\u7528\u6307\u5b9a\u4e0a\u4e0b\u6587\u6e32\u67d3\u6a21\u677f\uff0c\u5e76\u8fd4\u56de\u8be5HttpResponse\u5bf9\u8c61\u3002<\/p>\n<p>\u5728templates\/polls\u6587\u4ef6\u5939\u7684\u6839\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aindex.html\u7684\u6587\u4ef6\uff0c\u5e76\u7f16\u5199\u4ee5\u4e0b\u4ee3\u7801\u3002\u4ee3\u7801\u4e2d\u7684latest_question_list\u662f\u5728polls\/views.py\u4e2d\u6307\u5b9a\u7684\u4e0a\u4e0b\u6587\u952e\u7684\u540d\u79f0\uff0c\u5b83\u8868\u793a\u4e0e\u8be5\u952e\u5bf9\u5e94\u7684\u53d8\u91cf\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span><span class=\"o\">%<\/span> <span class=\"k\">if<\/span> <span class=\"n\">latest_question_list<\/span> <span class=\"o\">%<\/span><span class=\"p\">}<\/span>\r\n    <span class=\"o\">&lt;<\/span><span class=\"n\">ul<\/span><span class=\"o\">&gt;<\/span>\r\n    <span class=\"p\">{<\/span><span class=\"o\">%<\/span> <span class=\"k\">for<\/span> <span class=\"n\">question<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">latest_question_list<\/span> <span class=\"o\">%<\/span><span class=\"p\">}<\/span>\r\n        <span class=\"o\">&lt;<\/span><span class=\"n\">li<\/span><span class=\"o\">&gt;&lt;<\/span><span class=\"n\">a<\/span> <span class=\"n\">href<\/span><span class=\"o\">=<\/span><span class=\"s\">\"{% url 'polls:detail' question.id %}\"<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">{{<\/span> <span class=\"n\">question<\/span><span class=\"p\">.<\/span><span class=\"n\">question_text<\/span> <span class=\"p\">}}<\/span><span class=\"o\">&lt;\/<\/span><span class=\"n\">a<\/span><span class=\"o\">&gt;&lt;\/<\/span><span class=\"n\">li<\/span><span class=\"o\">&gt;<\/span>\r\n    <span class=\"p\">{<\/span><span class=\"o\">%<\/span> <span class=\"n\">endfor<\/span> <span class=\"o\">%<\/span><span class=\"p\">}<\/span>\r\n    <span class=\"o\">&lt;\/<\/span><span class=\"n\">ul<\/span><span class=\"o\">&gt;<\/span>\r\n<span class=\"p\">{<\/span><span class=\"o\">%<\/span> <span class=\"k\">else<\/span> <span class=\"o\">%<\/span><span class=\"p\">}<\/span>\r\n    <span class=\"o\">&lt;<\/span><span class=\"n\">p<\/span><span class=\"o\">&gt;<\/span><span class=\"n\">No<\/span> <span class=\"n\">polls<\/span> <span class=\"n\">are<\/span> <span class=\"n\">available<\/span><span class=\"p\">.<\/span><span class=\"o\">&lt;\/<\/span><span class=\"n\">p<\/span><span class=\"o\">&gt;<\/span>\r\n<span class=\"p\">{<\/span><span class=\"o\">%<\/span> <span class=\"n\">endif<\/span> <span class=\"o\">%<\/span><span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0a\u7684\u4ee3\u7801\u662f\u7528DTL\u8bed\u6cd5\u7f16\u5199\u7684\u3002\u7528{% %}\u62ec\u8d77\u6765\u7684\u90e8\u5206\u662f\u6a21\u677f\u6807\u7b7e\uff0c\u63d0\u4f9b\u4e86\u65b9\u4fbf\u7684\u6a21\u677f\u6807\u7b7e\uff0c\u5982{% if (\u6761\u4ef6\u5206\u652f) %}\u6216{% for (\u5faa\u73af) %}\u7b49\u3002\u5728\u8fd9\u91cc\uff0c\u5982\u679clatest_question_list\u5b58\u5728\uff0c\u5219\u4ee5\u5217\u8868\u5f62\u5f0f\u663e\u793a\u4e0e\u5176\u6570\u91cf\u76f8\u5bf9\u5e94\u7684\u5185\u5bb9\uff0c\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5219\u663e\u793a&#8221;No polls are available.&#8221;\u3002\u6b64\u5916\uff0ca\u6807\u7b7e\u5185\u7684href\u53ef\u4ee5\u786c\u7f16\u7801\u4e3a<\/p>\n<ul>\n<li><a href=\"\/polls\/{{ question.id }}\/\">{{ question.question_text }}<\/a><\/li>\n<\/ul>\n<p>\u8fd9\u6837\u7684\u94fe\u63a5\u90e8\u5206\uff0c\u4f46\u7531\u4e8eURL\u7684\u66f4\u6539\u4f1a\u53d8\u5f97\u6df7\u4e71\uff0c\u56e0\u6b64\u5728\u8fd9\u91cc\u4f7f\u7528\u4e86{% url %}\u8fd9\u4e2a\u6a21\u677f\u6807\u7b7e\u3002\u8fd9\u4e2a\u6a21\u677f\u6807\u7b7e\u53ef\u4ee5\u901a\u8fc7\u5728polls.urls.py\u4e2d\u4f7f\u7528path()\u51fd\u6570\u5b9a\u4e49\u7684URL\u8fdb\u884c\u53cd\u5411\u89e3\u6790\u3002\u4ee5\u4e0b\u662f\u672c\u6587\u5f00\u5934\u63d0\u5230\u7684polls\/urls.py\u7684\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"nn\">django.urls<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">path<\/span>\r\n\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">.<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">views<\/span>\r\n\r\n<span class=\"n\">app_name<\/span> <span class=\"o\">=<\/span> <span class=\"s\">'polls'<\/span>\r\n<span class=\"n\">urlpatterns<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"n\">path<\/span><span class=\"p\">(<\/span><span class=\"s\">''<\/span><span class=\"p\">,<\/span> <span class=\"n\">views<\/span><span class=\"p\">.<\/span><span class=\"n\">index<\/span><span class=\"p\">,<\/span> <span class=\"n\">name<\/span><span class=\"o\">=<\/span><span class=\"s\">'index'<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"n\">path<\/span><span class=\"p\">(<\/span><span class=\"s\">'&lt;int:question_id&gt;\/'<\/span><span class=\"p\">,<\/span> <span class=\"n\">views<\/span><span class=\"p\">.<\/span><span class=\"n\">detail<\/span><span class=\"p\">,<\/span> <span class=\"n\">name<\/span><span class=\"o\">=<\/span><span class=\"s\">'detail'<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"n\">path<\/span><span class=\"p\">(<\/span><span class=\"s\">'&lt;int:question_id&gt;\/results\/'<\/span><span class=\"p\">,<\/span> <span class=\"n\">views<\/span><span class=\"p\">.<\/span><span class=\"n\">results<\/span><span class=\"p\">,<\/span> <span class=\"n\">name<\/span><span class=\"o\">=<\/span><span class=\"s\">'results'<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"n\">path<\/span><span class=\"p\">(<\/span><span class=\"s\">'&lt;int:question_id&gt;\/vote\/'<\/span><span class=\"p\">,<\/span> <span class=\"n\">views<\/span><span class=\"p\">.<\/span><span class=\"n\">vote<\/span><span class=\"p\">,<\/span> <span class=\"n\">name<\/span><span class=\"o\">=<\/span><span class=\"s\">'vote'<\/span><span class=\"p\">),<\/span>\r\n<span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n<p>{% url %} \u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f URL \u7684\u6a21\u5f0f\u540d\uff08[app_name]:[path_name]\uff09\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u53ca\u4e4b\u540e\u7528\u4e8e\u6307\u5b9a\u503c\u4ee5\u5339\u914d\u8be5\u6a21\u5f0f\uff0c\u5982\u679c\u6b63\u5219\u8868\u8fbe\u5f0f\u7ec4\u5305\u542b\u5728\u6a21\u5f0f\u4e2d\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u5bf9\u4e8e<\/p>\n<ul>\n<li><a href=\"{% url 'polls:detail' question.id %}\">{{ question.question_text }}<\/a><\/li>\n<\/ul>\n<p>\u8fd9\u79cd\u60c5\u51b5\uff0c\u5b83\u5f15\u7528\u4e86\u5728\u4e0a\u8ff0 polls\/urls.py \u6587\u4ef6\u4e2d\u6ce8\u518c\u7684 detail \u8def\u5f84\u7684 &#8216;\/&#8217;\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u5982\u679c\u8981\u66f4\u6539 URL \u6a21\u5f0f\uff0c\u53ea\u9700\u66f4\u6539 polls\/urls.py \u6587\u4ef6\uff0c\u800c\u65e0\u9700\u66f4\u6539\u6a21\u677f\u3002\u5c3d\u7ba1\u53ef\u4ee5\u4e0d\u4f7f\u7528 app_name \u6765\u5f15\u7528\uff0c\u4f46\u5f53\u5e94\u7528\u7a0b\u5e8f\u53d8\u5f97\u590d\u6742\u65f6\uff0c\u6700\u597d\u901a\u8fc7 app_name \u6765\u5b9a\u4e49\u547d\u540d\u7a7a\u95f4\uff0c\u4ee5\u4fbf\u5728\u5b58\u5728\u540c\u540d\u89c6\u56fe\u7684\u60c5\u51b5\u4e0b\u4e0d\u4f1a\u51fa\u73b0\u95ee\u9898\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8eb7913a08637a6d6a72\/27-0.png\" alt=\"index.png\" \/><\/div>\n<h1>404\u9519\u8bef<\/h1>\n<p>\u9664\u4e86\u8fd4\u56de\u4e0e\u8bf7\u6c42\u5bf9\u5e94\u7684 HttpResponse \u5bf9\u8c61\uff0c\u89c6\u56fe\u8fd8\u627f\u62c5\u7740\u8fd4\u56de\u5f02\u5e38\u7684\u89d2\u8272\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u5728\u663e\u793a\u6307\u5b9a\u6295\u7968\u95ee\u9898\u7684 detail \u89c6\u56fe\u4e2d\u5b9e\u73b0\u5f02\u5e38\u5904\u7406\u3002\u8bf7\u5c06\u4ee5\u4e0b\u4ee3\u7801\u6dfb\u52a0\u5230 polls\/views.py \u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"nn\">django.shortcuts<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">get_object_or_404<\/span><span class=\"p\">,<\/span> <span class=\"n\">render<\/span>\r\n\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">.models<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">Question<\/span>\r\n<span class=\"c1\"># ...\r\n<\/span><span class=\"k\">def<\/span> <span class=\"nf\">detail<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">,<\/span> <span class=\"n\">question_id<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">question<\/span> <span class=\"o\">=<\/span> <span class=\"n\">get_object_or_404<\/span><span class=\"p\">(<\/span><span class=\"n\">Question<\/span><span class=\"p\">,<\/span> <span class=\"n\">pk<\/span><span class=\"o\">=<\/span><span class=\"n\">question_id<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">render<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">,<\/span> <span class=\"s\">'polls\/detail.html'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span><span class=\"s\">'question'<\/span><span class=\"p\">:<\/span> <span class=\"n\">question<\/span><span class=\"p\">})<\/span>\r\n<\/code><\/pre>\n<p>\u82e5\u8981\u4f7f\u8be5\u7ec6\u8282\u89c6\u56fe\u53ef\u7528\uff0c\u9700\u8981\u521b\u5efapolls\/detail.html\u5e76\u5199\u5165\u4ee5\u4e0b\u4ee3\u7801\u3002get_object_or_404()\u51fd\u6570\u6267\u884cget()\uff0c\u5982\u679c\u5bf9\u8c61\u4e0d\u5b58\u5728\uff0c\u5219\u5f15\u53d1Http404\u9519\u8bef\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"o\">&lt;<\/span><span class=\"n\">h1<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">{{<\/span> <span class=\"n\">question<\/span><span class=\"p\">.<\/span><span class=\"n\">question_text<\/span> <span class=\"p\">}}<\/span><span class=\"o\">&lt;\/<\/span><span class=\"n\">h1<\/span><span class=\"o\">&gt;<\/span>\r\n<span class=\"o\">&lt;<\/span><span class=\"n\">ul<\/span><span class=\"o\">&gt;<\/span>\r\n<span class=\"p\">{<\/span><span class=\"o\">%<\/span> <span class=\"k\">for<\/span> <span class=\"n\">choice<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">question<\/span><span class=\"p\">.<\/span><span class=\"n\">choice_set<\/span><span class=\"p\">.<\/span><span class=\"nb\">all<\/span> <span class=\"o\">%<\/span><span class=\"p\">}<\/span>\r\n    <span class=\"o\">&lt;<\/span><span class=\"n\">li<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">{{<\/span> <span class=\"n\">choice<\/span><span class=\"p\">.<\/span><span class=\"n\">choice_text<\/span> <span class=\"p\">}}<\/span><span class=\"o\">&lt;\/<\/span><span class=\"n\">li<\/span><span class=\"o\">&gt;<\/span>\r\n<span class=\"p\">{<\/span><span class=\"o\">%<\/span> <span class=\"n\">endfor<\/span> <span class=\"o\">%<\/span><span class=\"p\">}<\/span>\r\n<span class=\"o\">&lt;\/<\/span><span class=\"n\">ul<\/span><span class=\"o\">&gt;<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8eb7913a08637a6d6a72\/33-0.png\" alt=\"detail.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8eb7913a08637a6d6a72\/34-0.png\" alt=\"error.png\" \/><\/div>\n<h1>\u6700\u540e<\/h1>\n<p>\u591a\u4e8f\u4e86\u5b9e\u7528\u7684\u300aDjango\u5b9e\u6218\u6559\u7a0b\uff08\u57fa\u7840\u7bc7\uff09\u300b\uff0c\u6211\u7684\u7406\u89e3\u6709\u6240\u63d0\u5347\u3002\u8fd9\u672c\u4e66\u5f88\u597d\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4f1a\u7ee7\u7eed\u8fdb\u884c\u300a\u521d\u8bc6Django\u5e94\u7528\u5f00\u53d1\u300b\u7684\u7b2c4\u7ae0\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u76f8\u5173\u6587\u7ae0\u7684\u94fe\u63a5\uff1a<br \/>\n&#8211; Django\u6559\u7a0b\u2460\uff08\u5b89\u88c5\u548c\u521b\u5efa\u9879\u76ee\uff09<br \/>\n&#8211; Django\u6559\u7a0b\u2461\uff08\u521b\u5efa\u89c6\u56fe\uff09<br \/>\n&#8211; Django\u6559\u7a0b\u2462\uff08\u521b\u5efa\u6a21\u578b\u548c\u4f7f\u7528Django Admin\uff09<br \/>\n&#8211; Django\u6559\u7a0b\u2464\uff08\u901a\u7528\u89c6\u56fe\uff09<br \/>\n&#8211; Django\u6559\u7a0b\u2465\uff08\u81ea\u52a8\u6d4b\u8bd5\uff09<br \/>\n&#8211; Django\u6559\u7a0b\u2466\uff08\u9759\u6001\u6587\u4ef6\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u5728Django\u6559\u7a0b\u7b2c3\u90e8\u5206\uff08\u521b\u5efa\u6a21\u578b\u3001Django\u7ba1\u7406\u5458\uff09\u4e4b\u540e\uff0c\u5c1d\u8bd5\u521b\u5efa\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u3002\u5728\u7b2c\u4e00\u6b21\u521b\u5efaDja [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50037","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with 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