ADD file via upload

0001_initial.py

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+#zr 初始数据库迁移文件：创建评论表结构
+# Generated by Django 4.1.7 on 2023-03-02 07:14
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+
+#zr 数据库迁移类
+class Migration(migrations.Migration):
+
+    #zr 初始迁移
+    initial = True
+
+    #zr 依赖关系
+    dependencies = [
+        ('blog', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    #zr 迁移操作
+    operations = [
+        #zr 创建评论表
+        migrations.CreateModel(
+            name='Comment',
+            fields=[
+                #zr 主键ID字段
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                #zr 评论正文字段
+                ('body', models.TextField(max_length=300, verbose_name='正文')),
+                #zr 创建时间字段
+                ('created_time', models.DateTimeField(default=django.utils.timezone.now, verbose_name='创建时间')),
+                #zr 最后修改时间字段
+                ('last_mod_time', models.DateTimeField(default=django.utils.timezone.now, verbose_name='修改时间')),
+                #zr 是否显示字段
+                ('is_enable', models.BooleanField(default=True, verbose_name='是否显示')),
+                #zr 文章外键关联
+                ('article', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='blog.article', verbose_name='文章')),
+                #zr 作者外键关联
+                ('author', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL, verbose_name='作者')),
+                #zr 父评论自关联
+                ('parent_comment', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='comments.comment', verbose_name='上级评论')),
+            ],
+            #zr 模型元选项
+            options={
+                'verbose_name': '评论',
+                'verbose_name_plural': '评论',
+                'ordering': ['-id'],
+                'get_latest_by': 'id',
+            },
+        ),
+    ]