{"id":211374,"date":"2024-05-11T14:39:44","date_gmt":"2024-05-11T06:39:44","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/211374.html"},"modified":"2024-05-11T14:39:49","modified_gmt":"2024-05-11T06:39:49","slug":"django-web%e5%bc%80%e5%8f%91%e5%a6%82%e4%bd%95%e5%af%b9app%e5%ba%94%e7%94%a8%e7%9a%84models%e8%bf%9b%e8%a1%8c%e6%ad%a3%e7%a1%ae%e7%9a%84%e8%ae%be%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/211374.html","title":{"rendered":"Django Web\u5f00\u53d1\u5982\u4f55\u5bf9app\u5e94\u7528\u7684models\u8fdb\u884c\u6b63\u786e\u7684\u8bbe\u7f6e"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/27101446\/ca70c8aa-0fe3-4a5b-bed5-daeb17cb1f9e.webp\" alt=\"Django Web\u5f00\u53d1\u5982\u4f55\u5bf9app\u5e94\u7528\u7684models\u8fdb\u884c\u6b63\u786e\u7684\u8bbe\u7f6e\" \/><\/p>\n<p><p>\u5728Django Web\u5f00\u53d1\u4e2d\uff0c<strong>\u6b63\u786e\u8bbe\u7f6eapp\u5e94\u7528\u7684models<\/strong>\u662f\u4fdd\u8bc1\u6570\u636e\u7ed3\u6784\u5408\u7406\u6027\u548c\u589e\u5f3a\u9879\u76ee\u53ef\u7ef4\u62a4\u6027\u7684\u5173\u952e\u3002\u8fd9\u5305\u62ec<strong>\u89c4\u5212\u5408\u7406\u7684\u6570\u636e\u6a21\u578b\u3001\u4f7f\u7528\u5408\u7406\u7684\u5b57\u6bb5\u7c7b\u578b\u3001\u5b9e\u73b0\u6570\u636e\u5173\u7cfb\u3001\u4f18\u5316\u67e5\u8be2\u6027\u80fd<\/strong>\u3001\u4ee5\u53ca<strong>\u8fdb\u884c\u9002\u5f53\u7684\u6a21\u578b\u7ee7\u627f<\/strong>\u3002\u5176\u4e2d\uff0c\u89c4\u5212\u5408\u7406\u7684\u6570\u636e\u6a21\u578b\u662f\u57fa\u7840\uff0c\u5b83\u8981\u6c42\u5f00\u53d1\u8005\u5728\u8bbe\u8ba1\u4e4b\u521d\u5c31\u5145\u5206\u8003\u8651\u6240\u9700\u6570\u636e\u7684\u79cd\u7c7b\u3001\u7528\u9014\u548c\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u786e\u4fdd\u6a21\u578b\u80fd\u591f\u5168\u9762\u800c\u51c6\u786e\u5730\u53cd\u6620\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n<\/p>\n<p><p>\u89c4\u5212\u5408\u7406\u7684\u6570\u636e\u6a21\u578b\u6d89\u53ca\u5230\u5bf9\u4e1a\u52a1\u9700\u6c42\u7684\u6df1\u5165\u7406\u89e3\u548c\u672a\u6765\u53ef\u80fd\u7684\u6269\u5c55\u9700\u6c42\u7684\u9884\u6d4b\u3002\u4e00\u4e2a\u826f\u597d\u7684\u6570\u636e\u6a21\u578b\u5e94\u8be5\u6613\u4e8e\u6269\u5c55\uff0c\u80fd\u591f\u9002\u5e94\u4e1a\u52a1\u589e\u957f\u548c\u53d8\u5316\uff0c\u540c\u65f6\u4fdd\u6301\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u5f00\u53d1\u8005\u9700\u8981\u5728\u8bbe\u8ba1\u6a21\u578b\u65f6\uff0c\u8003\u8651\u5982\u4f55\u6709\u6548\u5730\u8868\u793a\u5b9e\u4f53\u4e4b\u95f4\u7684\u5173\u7cfb\uff08\u5982\u4e00\u5bf9\u4e00\u3001\u4e00\u5bf9\u591a\u3001\u591a\u5bf9\u591a\uff09\uff0c\u5982\u4f55\u907f\u514d\u6570\u636e\u5197\u4f59\u548c\u4f9d\u8d56\uff0c\u5e76\u4e14\u5982\u4f55\u901a\u8fc7\u5408\u7406\u7684\u5b57\u6bb5\u9009\u62e9\u548c\u6570\u636e\u7ed3\u6784\u8bbe\u8ba1\uff0c\u63d0\u9ad8\u6570\u636e\u5904\u7406\u7684\u6548\u7387\u548c\u51c6\u786e\u6027\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u89c4\u5212\u5408\u7406\u7684\u6570\u636e\u6a21\u578b<\/h3>\n<\/p>\n<p><p>\u5728Django\u9879\u76ee\u7684\u5f00\u59cb\u9636\u6bb5\uff0c\u6df1\u5165\u7406\u89e3\u4e1a\u52a1\u9700\u6c42\u662f\u6781\u5176\u91cd\u8981\u7684\u3002\u6bcf\u4e00\u4e2a\u6a21\u578b\u90fd\u5e94\u8be5\u6e05\u6670\u5730\u53cd\u6620\u5e94\u7528\u7684\u4e00\u4e2a\u7279\u5b9a\u65b9\u9762\uff0c\u800c\u4e14\u6a21\u578b\u95f4\u7684\u5173\u7cfb\u8981\u903b\u8f91\u6e05\u6670\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u7535\u5546\u7f51\u7ad9\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u8bbe\u8ba1\u5982\u7528\u6237(User)\u3001\u4ea7\u54c1(Product)\u3001\u8ba2\u5355(Order)\u7b49\u6a21\u578b\uff0c\u4ee5\u53ca\u8fd9\u4e9b\u6a21\u578b\u95f4\u5982\u4f55\u76f8\u4e92\u5173\u8054\u3002\u6b64\u65f6\uff0c\u6b63\u786e\u8bc6\u522b\u8fd9\u4e9b\u5b9e\u4f53\u95f4\u7684\u5173\u7cfb\uff0c\u662f\u8bbe\u8ba1\u4e00\u4e2a\u826f\u597d\u6570\u636e\u6a21\u578b\u7684\u5173\u952e\u3002<\/p>\n<\/p>\n<ul>\n<li>\u5f00\u53d1\u8005\u9700\u8981\u8003\u8651\u6570\u636e\u7684\u89c4\u6a21\u3001\u67e5\u8be2\u7684\u590d\u6742\u6027\u4ee5\u53ca\u6570\u636e\u7684\u589e\u957f\u901f\u5ea6\u3002\u5bf9\u4e8e\u4e00\u4e9b\u9891\u7e41\u53d8\u52a8\u6216\u67e5\u8be2\u7684\u6570\u636e\uff0c\u53ef\u80fd\u9700\u8981\u8bbe\u8ba1\u66f4\u4e3a\u7075\u6d3b\u7684\u6570\u636e\u7ed3\u6784\u6765\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<p><h3>\u4e8c\u3001\u4f7f\u7528\u5408\u7406\u7684\u5b57\u6bb5\u7c7b\u578b<\/h3>\n<\/p>\n<p><p>Django\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5b57\u6bb5\u7c7b\u578b\uff0c\u80fd\u591f\u8986\u76d6\u5927\u591a\u6570\u6570\u636e\u5b58\u50a8\u9700\u6c42\u3002\u4ece<strong>CharField<\/strong>\u3001<strong>IntegerField<\/strong>\u5230<strong>ForeignKey<\/strong>\u7b49\uff0c\u6bcf\u4e00\u79cd\u5b57\u6bb5\u7c7b\u578b\u90fd\u6709\u5176\u9002\u7528\u573a\u666f\u3002\u6b63\u786e\u7684\u5b57\u6bb5\u7c7b\u578b\u9009\u62e9\u4e0d\u4ec5\u5173\u7cfb\u5230\u6570\u636e\u5b58\u50a8\u6548\u7387\uff0c\u4e5f\u76f4\u63a5\u5f71\u54cd\u5230\u540e\u7eed\u7684\u6570\u636e\u5904\u7406\u548c\u67e5\u8be2\u901f\u5ea6\u3002<\/p>\n<\/p>\n<ul>\n<li>\u5bf9\u4e8e\u6587\u672c\u4fe1\u606f\uff0c\u5e94\u5f53\u6839\u636e\u5176\u9884\u671f\u957f\u5ea6\u9009\u62e9<strong>CharField<\/strong>\u6216<strong>TextField<\/strong>\u3002<\/li>\n<li>\u6570\u503c\u7c7b\u578b\u9700\u8981\u6839\u636e\u6570\u503c\u8303\u56f4\u548c\u662f\u5426\u9700\u8981\u5c0f\u6570\u6765\u51b3\u5b9a\u4f7f\u7528<strong>IntegerField<\/strong>\u3001<strong>DecimalField<\/strong>\u7b49\u3002<\/li>\n<li>\u5728\u5b9a\u4e49\u5173\u7cfb\u5b57\u6bb5\u65f6\uff0c\u5982<strong>ForeignKey<\/strong>\u3001<strong>ManyToManyField<\/strong>\u7b49\uff0c\u9700\u8981\u5145\u5206\u7406\u89e3\u8fd9\u4e9b\u5173\u7cfb\u7684\u542b\u4e49\u548c\u4f7f\u7528\u573a\u666f\uff0c\u4ee5\u4fdd\u8bc1\u6570\u636e\u7ed3\u6784\u7684\u5408\u7406\u6027\u3002<\/li>\n<\/ul>\n<p><h3>\u4e09\u3001\u5b9e\u73b0\u6570\u636e\u5173\u7cfb<\/h3>\n<\/p>\n<p><p>Django ORM\u7684\u5f3a\u5927\u4e4b\u5904\u5728\u4e8e\u5176\u5bf9\u6570\u636e\u5e93\u5173\u7cfb\u7684\u9ad8\u7ea7\u62bd\u8c61\uff0c\u80fd\u591f\u8f7b\u677e\u5b9e\u73b0\u6a21\u578b\u95f4\u590d\u6742\u7684\u6570\u636e\u5173\u7cfb\u3002<strong>\u4e00\u5bf9\u4e00\uff08OneToOneField\uff09<\/strong>\u3001<strong>\u4e00\u5bf9\u591a\uff08ForeignKey\uff09<\/strong>\u3001\u591a\u5bf9\u591a\uff08ManyToManyField\uff09\u7b49\u5173\u7cfb\u7c7b\u578b\u76f4\u89c2\u5730\u53cd\u6620\u4e86\u6a21\u578b\u95f4\u7684\u8fde\u63a5\u65b9\u5f0f\u3002\u8fd9\u4e0d\u4ec5\u7b80\u5316\u4e86\u6570\u636e\u5e93\u7684\u8bbe\u8ba1\uff0c\u4e5f\u4f7f\u5f97\u6570\u636e\u7684\u64cd\u4f5c\u66f4\u52a0\u76f4\u89c2\u6613\u61c2\u3002<\/p>\n<\/p>\n<ul>\n<li>\u5728\u4f7f\u7528<strong>ForeignKey<\/strong>\u5b9e\u73b0\u4e00\u5bf9\u591a\u5173\u7cfb\u65f6\uff0c\u601d\u8003\u8fd9\u79cd\u5173\u7cfb\u5728\u4e1a\u52a1\u903b\u8f91\u4e0a\u7684\u5408\u7406\u6027\u81f3\u5173\u91cd\u8981\uff0c\u5b83\u76f4\u63a5\u5f71\u54cd\u5230\u6570\u636e\u7684\u67e5\u8be2\u548c\u66f4\u65b0\u64cd\u4f5c\u3002<\/li>\n<li>\u4f7f\u7528<strong>ManyToManyField<\/strong>\u5b9e\u73b0\u591a\u5bf9\u591a\u5173\u7cfb\u65f6\uff0c\u5e94\u6ce8\u610fDjango\u5c06\u81ea\u52a8\u521b\u5efa\u4e00\u4e2a\u5173\u8054\u8868\u6765\u7ef4\u62a4\u8fd9\u79cd\u5173\u7cfb\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7\u8be5\u5b57\u6bb5\u7684<code>through<\/code>\u53c2\u6570\u6765\u81ea\u5b9a\u4e49\u5173\u8054\u8868\u3002<\/li>\n<\/ul>\n<p><h3>\u56db\u3001\u4f18\u5316\u67e5\u8be2\u6027\u80fd<\/h3>\n<\/p>\n<p><p>\u5408\u7406\u7684\u6a21\u578b\u8bbe\u7f6e\u4e5f\u5305\u62ec\u5bf9\u67e5\u8be2\u6027\u80fd\u7684\u4f18\u5316\u3002<strong>\u6570\u636e\u5e93\u7d22\u5f15<\/strong>\uff08\u901a\u8fc7Model\u4e2d\u7684<code>Meta<\/code>\u7c7b\u7684<code>index_together<\/code>\u6216<code>indexes<\/code>\u9009\u9879\u8bbe\u7f6e\uff09\u5bf9\u4e8e\u63d0\u9ad8\u5927\u89c4\u6a21\u6570\u636e\u67e5\u8be2\u7684\u6548\u7387\u81f3\u5173\u91cd\u8981\u3002\u53e6\u5916\uff0c\u4f7f\u7528Django\u7684<strong>select_related<\/strong>\u548c<strong>prefetch_related<\/strong>\u65b9\u6cd5\u53ef\u4ee5\u9884\u5148\u6293\u53d6\u76f8\u5173\u8054\u7684\u6570\u636e\uff0c\u51cf\u5c11\u6570\u636e\u5e93\u67e5\u8be2\u6b21\u6570\uff0c\u663e\u8457\u63d0\u5347\u5e94\u7528\u6027\u80fd\u3002<\/p>\n<\/p>\n<ul>\n<li><strong>\u6570\u636e\u5e93\u7d22\u5f15<\/strong>\u5e94\u8c28\u614e\u8bbe\u7f6e\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6027\u80fd\u5f00\u9500\u3002\u9002\u5f53\u4f7f\u7528\u7d22\u5f15\u53ef\u4ee5\u663e\u8457\u51cf\u5c11\u67e5\u8be2\u65f6\u95f4\uff0c\u5c24\u5176\u662f\u5bf9\u4e8e\u7ecf\u5e38\u8fdb\u884c\u67e5\u627e\u3001\u6392\u5e8f\u7684\u5b57\u6bb5\u3002<\/li>\n<li>\u4f7f\u7528<strong>select_related<\/strong>\u548c<strong>prefetch_related<\/strong>\u65f6\uff0c\u9700\u8981\u6e05\u695a\u5b83\u4eec\u7684\u533a\u522b\u548c\u9002\u7528\u573a\u666f\uff0c\u5408\u7406\u9009\u62e9\u53ef\u4ee5\u51cf\u5c11\u67e5\u8be2\u7684\u603b\u5f00\u9500\u3002<\/li>\n<\/ul>\n<p><h3>\u4e94\u3001\u8fdb\u884c\u9002\u5f53\u7684\u6a21\u578b\u7ee7\u627f<\/h3>\n<\/p>\n<p><p>\u5728Django\u4e2d\uff0c\u6a21\u578b\u7ee7\u627f\u662f\u91cd\u7528\u4ee3\u7801\u548c\u6269\u5c55\u6a21\u578b\u7684\u6709\u6548\u624b\u6bb5\u3002Django\u652f\u6301<strong>\u62bd\u8c61\u57fa\u7c7b<\/strong>\u3001<strong>\u591a\u8868\u7ee7\u627f<\/strong>\u548c<strong>\u4ee3\u7406\u6a21\u578b<\/strong>\u4e09\u79cd\u7ee7\u627f\u65b9\u5f0f\u3002\u9009\u62e9\u5408\u9002\u7684\u7ee7\u627f\u65b9\u5f0f\u5bf9\u4e8e\u4fdd\u6301\u4ee3\u7801\u7684DRY\uff08Don&#039;t Repeat Yourself\uff09\u539f\u5219\u548c\u63d0\u9ad8\u6570\u636e\u6a21\u578b\u7684\u7075\u6d3b\u6027\u975e\u5e38\u6709\u5e2e\u52a9\u3002<\/p>\n<\/p>\n<ul>\n<li>\u4f7f\u7528<strong>\u62bd\u8c61\u57fa\u7c7b<\/strong>\u53ef\u4ee5\u5728\u4e0d\u521b\u5efa\u6570\u636e\u5e93\u8868\u7684\u60c5\u51b5\u4e0b\uff0c\u5728\u591a\u4e2a\u6a21\u578b\u95f4\u5171\u4eab\u5b57\u6bb5\u3002<\/li>\n<li><strong>\u591a\u8868\u7ee7\u627f<\/strong>\u9002\u7528\u4e8e\u5b50\u6a21\u578b\u9700\u8981\u8bbf\u95ee\u7236\u6a21\u578b\u5168\u90e8\u5b57\u6bb5\u7684\u573a\u666f\uff0c\u4f46\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u5e93\u67e5\u8be2\u6027\u80fd\u7684\u4e0b\u964d\u3002<\/li>\n<li><strong>\u4ee3\u7406\u6a21\u578b<\/strong>\u9002\u7528\u4e8e\u4e0d\u9700\u8981\u4fee\u6539\u6a21\u578b\u5b57\u6bb5\u3001\u4ec5\u6539\u53d8\u6a21\u578b\u884c\u4e3a\u7684\u573a\u666f\u3002<\/li>\n<\/ul>\n<p><p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u6b63\u786e\u8bbe\u7f6eDjango app\u5e94\u7528\u7684models\u9700\u8981\u4ece\u591a\u4e2a\u7ef4\u5ea6\u51fa\u53d1\uff0c\u6df1\u5165\u7406\u89e3\u4e1a\u52a1\u9700\u6c42\uff0c\u5408\u7406\u4f7f\u7528Django\u63d0\u4f9b\u7684ORM\u5de5\u5177\uff0c\u4ee5\u53ca\u8fdb\u884c\u9002\u5f53\u7684\u6027\u80fd\u4f18\u5316\u548c\u89c4\u5212\u3002\u8fd9\u4e0d\u4ec5\u80fd\u591f\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\uff0c\u8fd8\u80fd\u63d0\u9ad8\u5e94\u7528\u7684\u6027\u80fd\u548c\u53ef\u7ef4\u7ba1\u7406\u6027\uff0c\u4e3a\u5f00\u53d1\u9ad8\u8d28\u91cf\u7684Django\u5e94\u7528\u5960\u5b9a\u575a\u5b9e\u7684\u57fa\u7840\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. \u6211\u5e94\u8be5\u5982\u4f55\u5728Django Web\u5f00\u53d1\u4e2d\u6b63\u786e\u8bbe\u7f6eapp\u5e94\u7528\u7684models\uff1f<\/strong><br \/>\n\u5728Django\u4e2d\u8bbe\u7f6eapp\u5e94\u7528\u7684models\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u5b83\u51b3\u5b9a\u7740\u6570\u636e\u7684\u7ed3\u6784\u548c\u5b58\u50a8\u65b9\u5f0f\u3002\u9996\u5148\uff0c\u4f60\u9700\u8981\u5728app\u5e94\u7528\u7684\u76ee\u5f55\u4e0b\u7684models.py\u6587\u4ef6\u4e2d\u5b9a\u4e49\u4f60\u7684\u6a21\u578b\u7c7b\u3002\u901a\u8fc7\u4f7f\u7528Django\u5185\u7f6e\u7684\u5b57\u6bb5\u7c7b\u578b\uff0c\u4f60\u53ef\u4ee5\u5b9a\u4e49\u5404\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u6bd4\u5982CharField\u3001IntegerField\u3001DateTimeField\u7b49\uff0c\u4ee5\u53ca\u5404\u79cd\u5173\u7cfb\u5b57\u6bb5\uff0c\u6bd4\u5982ForeignKey\u3001ManyToManyField\u7b49\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u5b57\u6bb5\u6765\u6784\u5efa\u4f60\u7684\u6570\u636e\u6a21\u578b\u3002\u5728\u5b9a\u4e49\u6a21\u578b\u7c7b\u7684\u540c\u65f6\uff0c\u4f60\u8fd8\u9700\u8981\u8003\u8651\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u4f7f\u7528ForeignKey\u548cManyToManyField\u7b49\u6765\u5efa\u7acb\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u8054\u3002\u6700\u540e\uff0c\u786e\u4fdd\u4f60\u5728\u6a21\u578b\u7c7b\u4e2d\u4f7f\u7528\u9002\u5f53\u7684\u7ea6\u675f\u548c\u9a8c\u8bc1\u89c4\u5219\uff0c\u4ee5\u4fdd\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<p><strong>2. \u5728Django\u4e2d\uff0c\u6211\u5982\u4f55\u4fdd\u8bc1app\u5e94\u7528\u7684models\u8bbe\u7f6e\u662f\u6b63\u786e\u7684\uff1f<\/strong><br \/>\n\u5bf9\u4e8eDjango\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u4fdd\u8bc1app\u5e94\u7528\u7684models\u8bbe\u7f6e\u7684\u6b63\u786e\u6027\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u4e3a\u4e86\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u4f60\u53ef\u4ee5\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\u3002\u9996\u5148\uff0c\u5b9a\u4e49\u7b80\u6d01\u660e\u4e86\u7684\u6a21\u578b\u7c7b\u540d\u79f0\uff0c\u4f7f\u7528\u9a7c\u5cf0\u547d\u540d\u6cd5\u6216\u4e0b\u5212\u7ebf\u5206\u9694\u547d\u540d\u6cd5\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002\u5176\u6b21\uff0c\u4e3a\u6bcf\u4e2a\u6a21\u578b\u5b57\u6bb5\u8bbe\u7f6e\u5408\u9002\u7684\u5b57\u6bb5\u7c7b\u578b\u548c\u9009\u9879\uff0c\u6bd4\u5982max_length\u3001null\u3001default\u7b49\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u6b63\u786e\u6027\u548c\u5b8c\u6574\u6027\u3002\u53e6\u5916\uff0c\u4e3a\u6a21\u578b\u7c7b\u6dfb\u52a0\u9002\u5f53\u7684__str__\u65b9\u6cd5\uff0c\u4ee5\u4fbf\u5728\u540e\u53f0\u7ba1\u7406\u754c\u9762\u548c\u8c03\u8bd5\u4e2d\u80fd\u591f\u66f4\u597d\u5730\u663e\u793a\u8be5\u6a21\u578b\u5b9e\u4f8b\u7684\u5b57\u7b26\u4e32\u8868\u793a\u3002\u6700\u540e\uff0c\u7ecf\u5e38\u8fd0\u884c\u6570\u636e\u5e93\u8fc1\u79fb\u547d\u4ee4\uff0c\u4ee5\u4fdd\u6301\u6570\u636e\u5e93\u6a21\u5f0f\u4e0e\u6a21\u578b\u7684\u540c\u6b65\u3002<\/p>\n<p><strong>3. \u6211\u5e94\u8be5\u5982\u4f55\u4e3aapp\u5e94\u7528\u7684models\u8bbe\u7f6e\u7f16\u5199\u6570\u636e\u5e93\u8fc1\u79fb\u6587\u4ef6\uff1f<\/strong><br \/>\n\u5728Django\u7684Web\u5f00\u53d1\u4e2d\uff0c\u4e3aapp\u5e94\u7528\u7684models\u8bbe\u7f6e\u7f16\u5199\u6570\u636e\u5e93\u8fc1\u79fb\u6587\u4ef6\u662f\u81f3\u5173\u91cd\u8981\u7684\u4e00\u6b65\u3002\u9996\u5148\uff0c\u786e\u4fdd\u4f60\u6709\u4e00\u4e2a\u6b63\u786e\u914d\u7f6e\u7684\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u53ef\u4ee5\u5728settings.py\u6587\u4ef6\u4e2d\u914d\u7f6e\u3002\u5176\u6b21\uff0c\u5728\u4f60\u7684app\u5e94\u7528\u76ee\u5f55\u4e0b\uff0c\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u4ee5\u521b\u5efa\u8fc1\u79fb\u6587\u4ef6\uff1apython manage.py makemigrations app_name\uff0c\u5176\u4e2dapp_name\u662f\u4f60\u7684app\u5e94\u7528\u7684\u540d\u5b57\u3002\u5728\u8fc1\u79fb\u6587\u4ef6\u4e2d\uff0c\u4f60\u53ef\u4ee5\u770b\u5230Django\u81ea\u52a8\u751f\u6210\u7684\u4e00\u4e9b\u64cd\u4f5c\uff0c\u6bd4\u5982\u521b\u5efa\u8868\u3001\u6dfb\u52a0\u5b57\u6bb5\u3001\u4fee\u6539\u5b57\u6bb5\u7b49\u3002\u4f60\u8fd8\u53ef\u4ee5\u624b\u52a8\u4fee\u6539\u8fc1\u79fb\u6587\u4ef6\uff0c\u6dfb\u52a0\u4e00\u4e9b\u81ea\u5b9a\u4e49\u7684\u64cd\u4f5c\uff0c\u6bd4\u5982\u6267\u884cSQL\u8bed\u53e5\u6216\u6570\u636e\u8fc1\u79fb\u3002\u6700\u540e\uff0c\u8fd0\u884cpython manage.py migrate\u547d\u4ee4\uff0c\u5c06\u8fc1\u79fb\u6587\u4ef6\u5e94\u7528\u5230\u6570\u636e\u5e93\u4e2d\uff0c\u5b9e\u9645\u6267\u884c\u5bf9\u6570\u636e\u5e93\u7684\u4fee\u6539\u64cd\u4f5c\u3002\u786e\u4fdd\u5728\u6267\u884c\u8fc1\u79fb\u547d\u4ee4\u4e4b\u524d\u5907\u4efd\u6570\u636e\u5e93\uff0c\u4ee5\u9632\u6b62\u6570\u636e\u4e22\u5931\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Django Web\u5f00\u53d1\u4e2d\uff0c\u6b63\u786e\u8bbe\u7f6eapp\u5e94\u7528\u7684models\u662f\u4fdd\u8bc1\u6570\u636e\u7ed3\u6784\u5408\u7406\u6027\u548c\u589e\u5f3a\u9879\u76ee\u53ef\u7ef4\u62a4\u6027\u7684\u5173\u952e\u3002\u8fd9 [&hellip;]","protected":false},"author":3,"featured_media":211377,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/211374"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=211374"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/211374\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/211377"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=211374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=211374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=211374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}