{"id":1126737,"date":"2025-01-08T20:03:59","date_gmt":"2025-01-08T12:03:59","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1126737.html"},"modified":"2025-01-08T20:04:01","modified_gmt":"2025-01-08T12:04:01","slug":"python-orm%e5%a6%82%e4%bd%95%e6%96%b0%e5%a2%9e%e4%b8%80%e4%b8%aa%e5%ad%97%e6%ae%b5","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1126737.html","title":{"rendered":"python orm\u5982\u4f55\u65b0\u589e\u4e00\u4e2a\u5b57\u6bb5"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25090944\/dadf91de-fd7d-4398-94fc-120843294377.webp\" alt=\"python orm\u5982\u4f55\u65b0\u589e\u4e00\u4e2a\u5b57\u6bb5\" \/><\/p>\n<p><p> <strong>\u5728Python\u7684ORM\u4e2d\u65b0\u589e\u4e00\u4e2a\u5b57\u6bb5\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff1a\u4fee\u6539\u6a21\u578b\u7c7b\u3001\u4f7f\u7528\u8fc1\u79fb\u5de5\u5177\u3001\u66f4\u65b0\u6570\u636e\u5e93\u7ed3\u6784<\/strong>\u3002\u5176\u4e2d\uff0c<strong>\u4f7f\u7528\u8fc1\u79fb\u5de5\u5177<\/strong>\u662f\u6700\u5e38\u89c1\u548c\u63a8\u8350\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u81ea\u52a8\u7ba1\u7406\u6570\u636e\u5e93\u7684\u7ed3\u6784\u53d8\u5316\uff0c\u907f\u514d\u624b\u5de5\u4fee\u6539\u53ef\u80fd\u5e26\u6765\u7684\u9519\u8bef\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u89e3\u91ca\u5982\u4f55\u4f7f\u7528Django ORM\u548cSQLAlchemy ORM\u65b0\u589e\u4e00\u4e2a\u5b57\u6bb5\uff0c\u5e76\u8ba8\u8bba\u5176\u4f18\u7f3a\u70b9\u3002<\/p>\n<\/p>\n<p><h2>\u4e00\u3001\u4f7f\u7528Django ORM\u65b0\u589e\u5b57\u6bb5<\/h2>\n<\/p>\n<p><h3>1. \u4fee\u6539\u6a21\u578b\u7c7b<\/h3>\n<\/p>\n<p><p>\u5728Django\u4e2d\uff0c\u6a21\u578b\u7c7b\u5bf9\u5e94\u6570\u636e\u5e93\u4e2d\u7684\u8868\uff0c\u5b57\u6bb5\u5bf9\u5e94\u8868\u4e2d\u7684\u5217\u3002\u8981\u65b0\u589e\u5b57\u6bb5\uff0c\u9996\u5148\u9700\u8981\u5728\u6a21\u578b\u7c7b\u4e2d\u6dfb\u52a0\u8be5\u5b57\u6bb5\u3002\u4f8b\u5982\uff0c\u6709\u4e00\u4e2a\u7528\u6237\u6a21\u578b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from django.db import models<\/p>\n<p>class User(models.Model):<\/p>\n<p>    username = models.CharField(max_length=100)<\/p>\n<p>    em<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>l = models.EmailField()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8981\u65b0\u589e\u4e00\u4e2a<code>age<\/code>\u5b57\u6bb5\uff0c\u53ef\u4ee5\u4fee\u6539\u6a21\u578b\u7c7b\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class User(models.Model):<\/p>\n<p>    username = models.CharField(max_length=100)<\/p>\n<p>    email = models.EmailField()<\/p>\n<p>    age = models.IntegerField(null=True, blank=True)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>2. \u521b\u5efa\u8fc1\u79fb\u6587\u4ef6<\/h3>\n<\/p>\n<p><p>\u4fee\u6539\u6a21\u578b\u7c7b\u540e\uff0c\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u751f\u6210\u8fc1\u79fb\u6587\u4ef6\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">python manage.py makemigrations<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>Django\u4f1a\u81ea\u52a8\u68c0\u6d4b\u5230\u6a21\u578b\u7684\u53d8\u5316\u5e76\u751f\u6210\u76f8\u5e94\u7684\u8fc1\u79fb\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><h3>3. \u5e94\u7528\u8fc1\u79fb<\/h3>\n<\/p>\n<p><p>\u751f\u6210\u8fc1\u79fb\u6587\u4ef6\u540e\uff0c\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u5e94\u7528\u8fc1\u79fb\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">python manage.py migrate<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u6b64\u65f6\uff0c\u6570\u636e\u5e93\u7ed3\u6784\u4f1a\u88ab\u66f4\u65b0\uff0c\u65b0\u589e\u7684<code>age<\/code>\u5b57\u6bb5\u4f1a\u88ab\u6dfb\u52a0\u5230\u6570\u636e\u5e93\u8868\u4e2d\u3002<\/p>\n<\/p>\n<p><p><strong>\u4f7f\u7528\u8fc1\u79fb\u5de5\u5177\u7684\u4f18\u52bf\u5728\u4e8e\u81ea\u52a8\u5316\u7ba1\u7406\u6570\u636e\u5e93\u7ed3\u6784\u53d8\u5316\u3001\u4fbf\u4e8e\u56de\u6eda\u3001\u66f4\u6539\u5386\u53f2\u6e05\u6670\u3002<\/strong><\/p>\n<\/p>\n<p><h2>\u4e8c\u3001\u4f7f\u7528SQLAlchemy ORM\u65b0\u589e\u5b57\u6bb5<\/h2>\n<\/p>\n<p><h3>1. \u4fee\u6539\u6a21\u578b\u7c7b<\/h3>\n<\/p>\n<p><p>\u5728SQLAlchemy\u4e2d\uff0c\u6a21\u578b\u7c7b\u4e5f\u5bf9\u5e94\u6570\u636e\u5e93\u4e2d\u7684\u8868\u3002\u8981\u65b0\u589e\u5b57\u6bb5\uff0c\u540c\u6837\u9700\u8981\u5728\u6a21\u578b\u7c7b\u4e2d\u6dfb\u52a0\u8be5\u5b57\u6bb5\u3002\u4f8b\u5982\uff0c\u6709\u4e00\u4e2a\u7528\u6237\u6a21\u578b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from sqlalchemy import Column, Integer, String<\/p>\n<p>from sqlalchemy.ext.declarative import declarative_base<\/p>\n<p>Base = declarative_base()<\/p>\n<p>class User(Base):<\/p>\n<p>    __tablename__ = &#39;users&#39;<\/p>\n<p>    id = Column(Integer, primary_key=True)<\/p>\n<p>    username = Column(String(100))<\/p>\n<p>    email = Column(String(100))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8981\u65b0\u589e\u4e00\u4e2a<code>age<\/code>\u5b57\u6bb5\uff0c\u53ef\u4ee5\u4fee\u6539\u6a21\u578b\u7c7b\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class User(Base):<\/p>\n<p>    __tablename__ = &#39;users&#39;<\/p>\n<p>    id = Column(Integer, primary_key=True)<\/p>\n<p>    username = Column(String(100))<\/p>\n<p>    email = Column(String(100))<\/p>\n<p>    age = Column(Integer)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>2. \u4f7f\u7528\u8fc1\u79fb\u5de5\u5177Alembic<\/h3>\n<\/p>\n<p><p>SQLAlchemy\u6ca1\u6709\u5185\u7f6e\u7684\u8fc1\u79fb\u5de5\u5177\uff0c\u4f46\u53ef\u4ee5\u4f7f\u7528Alembic\u3002\u9996\u5148\uff0c\u5b89\u88c5Alembic\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install alembic<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u7136\u540e\uff0c\u521d\u59cb\u5316Alembic\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">alembic init alembic<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4fee\u6539<code>alembic.ini<\/code>\u6587\u4ef6\uff0c\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\u5b57\u7b26\u4e32\u3002\u63a5\u4e0b\u6765\uff0c\u7f16\u8f91<code>alembic\/env.py<\/code>\u6587\u4ef6\uff0c\u8bbe\u7f6e\u76ee\u6807\u5143\u6570\u636e\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from myapp.models import Base<\/p>\n<p>target_metadata = Base.metadata<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>3. \u521b\u5efa\u548c\u5e94\u7528\u8fc1\u79fb<\/h3>\n<\/p>\n<p><p>\u751f\u6210\u8fc1\u79fb\u6587\u4ef6\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">alembic revision --autogenerate -m &quot;Add age column to User&quot;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u7136\u540e\uff0c\u5e94\u7528\u8fc1\u79fb\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">alembic upgrade head<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u6b64\u65f6\uff0c\u6570\u636e\u5e93\u7ed3\u6784\u4f1a\u88ab\u66f4\u65b0\uff0c\u65b0\u589e\u7684<code>age<\/code>\u5b57\u6bb5\u4f1a\u88ab\u6dfb\u52a0\u5230\u6570\u636e\u5e93\u8868\u4e2d\u3002<\/p>\n<\/p>\n<p><h2>\u4e09\u3001\u624b\u52a8\u66f4\u65b0\u6570\u636e\u5e93\u7ed3\u6784<\/h2>\n<\/p>\n<p><p>\u867d\u7136\u4e0d\u63a8\u8350\uff0c\u4f46\u624b\u52a8\u66f4\u65b0\u6570\u636e\u5e93\u7ed3\u6784\u4e5f\u662f\u4e00\u79cd\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u7684\u8868\u7ed3\u6784\u53d8\u5316\u3002\u4e3b\u8981\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><h3>1. \u4fee\u6539\u6a21\u578b\u7c7b<\/h3>\n<\/p>\n<p><p>\u540c\u4e0a\uff0c\u4fee\u6539\u6a21\u578b\u7c7b\u65b0\u589e\u5b57\u6bb5\u3002<\/p>\n<\/p>\n<p><h3>2. \u624b\u52a8\u66f4\u65b0\u6570\u636e\u5e93\u8868<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528\u6570\u636e\u5e93\u7ba1\u7406\u5de5\u5177\uff08\u5982MySQL Workbench\u3001pgAdmin\uff09\u6216SQL\u547d\u4ee4\u624b\u52a8\u6dfb\u52a0\u65b0\u5b57\u6bb5\u3002\u4f8b\u5982\uff0c\u4f7f\u7528SQL\u547d\u4ee4\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-sql\">ALTER TABLE users ADD COLUMN age INT;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>3. \u540c\u6b65\u6a21\u578b\u548c\u6570\u636e\u5e93<\/h3>\n<\/p>\n<p><p>\u5982\u679cORM\u6846\u67b6\u63d0\u4f9b\u540c\u6b65\u529f\u80fd\uff0c\u53ef\u4ee5\u4f7f\u7528\u8be5\u529f\u80fd\u540c\u6b65\u6a21\u578b\u548c\u6570\u636e\u5e93\u7ed3\u6784\u3002\u4f8b\u5982\uff0cSQLAlchemy\u4e2d\u7684<code>create_all<\/code>\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from sqlalchemy import create_engine<\/p>\n<p>from myapp.models import Base<\/p>\n<p>engine = create_engine(&#39;sqlite:\/\/\/mydatabase.db&#39;)<\/p>\n<p>Base.metadata.create_all(engine)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>\u56db\u3001\u603b\u7ed3<\/h2>\n<\/p>\n<p><p>\u5728Python\u7684ORM\u4e2d\u65b0\u589e\u4e00\u4e2a\u5b57\u6bb5\uff0c\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u6a21\u578b\u7c7b\u3001\u4f7f\u7528\u8fc1\u79fb\u5de5\u5177\u3001\u624b\u52a8\u66f4\u65b0\u6570\u636e\u5e93\u7ed3\u6784\u7b49\u65b9\u6cd5\u5b9e\u73b0\u3002<strong>\u4f7f\u7528\u8fc1\u79fb\u5de5\u5177<\/strong>\u662f\u6700\u5e38\u89c1\u548c\u63a8\u8350\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u81ea\u52a8\u7ba1\u7406\u6570\u636e\u5e93\u7684\u7ed3\u6784\u53d8\u5316\uff0c\u907f\u514d\u624b\u5de5\u4fee\u6539\u53ef\u80fd\u5e26\u6765\u7684\u9519\u8bef\u3002\u5177\u4f53\u6b65\u9aa4\u5305\u62ec\uff1a\u4fee\u6539\u6a21\u578b\u7c7b\u3001\u751f\u6210\u8fc1\u79fb\u6587\u4ef6\u3001\u5e94\u7528\u8fc1\u79fb\u3002\u65e0\u8bba\u4f7f\u7528\u54ea\u79cd\u65b9\u6cd5\uff0c\u90fd\u5e94\u786e\u4fdd\u6a21\u578b\u548c\u6570\u636e\u5e93\u7ed3\u6784\u4fdd\u6301\u4e00\u81f4\uff0c\u4ee5\u907f\u514d\u51fa\u73b0\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002<\/p>\n<\/p>\n<p><h3>\u4f18\u70b9\u548c\u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n<p><p><strong>\u4f18\u70b9\uff1a<\/strong><\/p>\n<\/p>\n<ul>\n<li><strong>\u81ea\u52a8\u5316\u7ba1\u7406<\/strong>\uff1a\u8fc1\u79fb\u5de5\u5177\u80fd\u591f\u81ea\u52a8\u7ba1\u7406\u6570\u636e\u5e93\u7ed3\u6784\u53d8\u5316\uff0c\u51cf\u5c11\u4eba\u5de5\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u4fbf\u4e8e\u56de\u6eda<\/strong>\uff1a\u8fc1\u79fb\u5de5\u5177\u901a\u5e38\u63d0\u4f9b\u56de\u6eda\u529f\u80fd\uff0c\u65b9\u4fbf\u64a4\u9500\u8bef\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u66f4\u6539\u5386\u53f2\u6e05\u6670<\/strong>\uff1a\u8fc1\u79fb\u6587\u4ef6\u8bb0\u5f55\u4e86\u6bcf\u6b21\u66f4\u6539\u7684\u5386\u53f2\uff0c\u4fbf\u4e8e\u5ba1\u8ba1\u548c\u7ef4\u62a4\u3002<\/li>\n<\/ul>\n<p><p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<\/p>\n<ul>\n<li><strong>\u6d4b\u8bd5\u73af\u5883\u5148\u884c<\/strong>\uff1a\u5728\u751f\u4ea7\u73af\u5883\u5e94\u7528\u8fc1\u79fb\u524d\uff0c\u6700\u597d\u5728\u6d4b\u8bd5\u73af\u5883\u4e2d\u5148\u884c\u6d4b\u8bd5\uff0c\u786e\u4fdd\u4e0d\u4f1a\u4ea7\u751f\u610f\u5916\u95ee\u9898\u3002<\/li>\n<li><strong>\u5907\u4efd\u6570\u636e<\/strong>\uff1a\u5728\u8fdb\u884c\u6570\u636e\u5e93\u7ed3\u6784\u53d8\u5316\u524d\uff0c\u5907\u4efd\u73b0\u6709\u6570\u636e\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u6570\u636e\u4e22\u5931\u3002<\/li>\n<li><strong>\u534f\u8c03\u56e2\u961f<\/strong>\uff1a\u6570\u636e\u5e93\u7ed3\u6784\u53d8\u5316\u9700\u8981\u56e2\u961f\u534f\u4f5c\uff0c\u786e\u4fdd\u6240\u6709\u5f00\u53d1\u4eba\u5458\u4f7f\u7528\u76f8\u540c\u7684\u8fc1\u79fb\u6587\u4ef6\u548c\u6570\u636e\u5e93\u7ed3\u6784\u3002<\/li>\n<\/ul>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\u548c\u6ce8\u610f\u4e8b\u9879\uff0c\u80fd\u591f\u786e\u4fdd\u5728Python\u7684ORM\u4e2d\u5b89\u5168\u3001\u6709\u6548\u5730\u65b0\u589e\u5b57\u6bb5\uff0c\u5e76\u4fdd\u6301\u6570\u636e\u5e93\u7ed3\u6784\u7684\u4e00\u81f4\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python ORM\u4e2d\u4e3a\u73b0\u6709\u6a21\u578b\u6dfb\u52a0\u65b0\u5b57\u6bb5\uff1f<\/strong><br \/>\u5728\u4f7f\u7528Python ORM\uff08\u5982SQLAlchemy\u6216Django ORM\uff09\u65f6\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u6a21\u578b\u7c7b\u6765\u6dfb\u52a0\u65b0\u5b57\u6bb5\u3002\u5bf9\u4e8eDjango\uff0c\u60a8\u9700\u8981\u5728\u6a21\u578b\u7c7b\u4e2d\u6dfb\u52a0\u5b57\u6bb5\u5e76\u8fd0\u884c\u8fc1\u79fb\u547d\u4ee4\u3002\u5bf9\u4e8eSQLAlchemy\uff0c\u5219\u9700\u8981\u5728\u6a21\u578b\u7c7b\u4e2d\u589e\u52a0\u5b57\u6bb5\u5b9a\u4e49\uff0c\u968f\u540e\u6267\u884c\u6570\u636e\u5e93\u8fc1\u79fb\u4ee5\u786e\u4fdd\u6570\u636e\u8868\u7ed3\u6784\u66f4\u65b0\u3002<\/p>\n<p><strong>\u6dfb\u52a0\u65b0\u5b57\u6bb5\u540e\uff0c\u5982\u4f55\u5904\u7406\u6570\u636e\u5e93\u8fc1\u79fb\uff1f<\/strong><br \/>\u5728\u4f7f\u7528Django\u65f6\uff0c\u60a8\u53ef\u4ee5\u8fd0\u884c<code>python manage.py makemigrations<\/code>\u548c<code>python manage.py migrate<\/code>\u547d\u4ee4\u6765\u751f\u6210\u5e76\u5e94\u7528\u8fc1\u79fb\u3002\u8fd9\u5c06\u81ea\u52a8\u5904\u7406\u6570\u636e\u5e93\u7684\u66f4\u6539\u3002\u5728SQLAlchemy\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Alembic\u7b49\u5de5\u5177\u6765\u7ba1\u7406\u8fc1\u79fb\uff0c\u901a\u8fc7\u751f\u6210\u8fc1\u79fb\u811a\u672c\u6765\u53cd\u6620\u6a21\u578b\u7684\u53d8\u5316\u3002<\/p>\n<p><strong>\u65b0\u5b57\u6bb5\u6dfb\u52a0\u540e\uff0c\u5982\u4f55\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\uff1f<\/strong><br \/>\u5728\u6dfb\u52a0\u65b0\u5b57\u6bb5\u65f6\uff0c\u786e\u4fdd\u8003\u8651\u6570\u636e\u7684\u9ed8\u8ba4\u503c\u548c\u7ea6\u675f\u6761\u4ef6\u3002\u5982\u679c\u8be5\u5b57\u6bb5\u662f\u5fc5\u9700\u7684\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u4e3a\u73b0\u6709\u8bb0\u5f55\u63d0\u4f9b\u4e00\u4e2a\u9ed8\u8ba4\u503c\u6216\u624b\u52a8\u66f4\u65b0\u6570\u636e\uff0c\u4ee5\u907f\u514d\u56e0\u7f3a\u5931\u503c\u5bfc\u81f4\u7684\u9519\u8bef\u3002\u5728Django\u4e2d\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7<code>null<\/code>\u548c<code>blank<\/code>\u53c2\u6570\u6765\u63a7\u5236\u5b57\u6bb5\u7684\u884c\u4e3a\uff0c\u800c\u5728SQLAlchemy\u4e2d\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u5b57\u6bb5\u7684<code>nullable<\/code>\u5c5e\u6027\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728ORM\u4e2d\u9a8c\u8bc1\u65b0\u5b57\u6bb5\u7684\u6570\u636e\u7c7b\u578b\uff1f<\/strong><br \/>\u5728\u5b9a\u4e49\u65b0\u5b57\u6bb5\u65f6\uff0c\u786e\u4fdd\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7c7b\u578b\u3002Django\u548cSQLAlchemy\u90fd\u63d0\u4f9b\u4e86\u591a\u79cd\u5b57\u6bb5\u7c7b\u578b\uff0c\u4f8b\u5982<code>CharField<\/code>\u3001<code>Integer<\/code>\u3001<code>Float<\/code>\u7b49\u3002\u60a8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8bbe\u7f6e\u5b57\u6bb5\u7684\u957f\u5ea6\u3001\u8303\u56f4\u548c\u5176\u4ed6\u9a8c\u8bc1\u6761\u4ef6\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u6709\u6548\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u7684ORM\u4e2d\u65b0\u589e\u4e00\u4e2a\u5b57\u6bb5\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff1a\u4fee\u6539\u6a21\u578b\u7c7b\u3001\u4f7f\u7528\u8fc1\u79fb\u5de5\u5177\u3001\u66f4\u65b0\u6570\u636e\u5e93\u7ed3\u6784\u3002\u5176\u4e2d [&hellip;]","protected":false},"author":3,"featured_media":1126745,"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\/1126737"}],"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=1126737"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1126737\/revisions"}],"predecessor-version":[{"id":1126749,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1126737\/revisions\/1126749"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1126745"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1126737"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1126737"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1126737"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}