feat: 添加日记系统

- 完整的 Django 后端 (diary app)
- 前端页面
- 部署脚本 (本地 + 云端)
- Nginx 配置
- 数据迁移工具
- 同步工具

diary-system/backend/diary/__init__.py

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+# Diary app

diary-system/backend/diary/migrations/0001_initial.py

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+# Generated by Django 4.2.11 on 2026-04-14 08:19
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='DiaryEntry',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('date', models.DateField(unique=True, verbose_name='日期')),
+                ('title', models.CharField(default='每日日记', max_length=200, verbose_name='标题')),
+                ('completed_tasks', models.TextField(blank=True, default='', verbose_name='完成的任务')),
+                ('learned', models.TextField(blank=True, default='', verbose_name='学到的东西')),
+                ('problems', models.TextField(blank=True, default='', verbose_name='遇到的问题和解决方案')),
+                ('reflections', models.TextField(blank=True, default='', verbose_name='想法和反思')),
+                ('improvements', models.TextField(blank=True, default='', verbose_name='进步点')),
+                ('plans', models.TextField(blank=True, default='', verbose_name='明日计划')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
+            ],
+            options={
+                'verbose_name': '日记',
+                'verbose_name_plural': '日记',
+                'ordering': ['-date'],
+            },
+        ),
+        migrations.CreateModel(
+            name='DailyProgress',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('category', models.CharField(max_length=50, verbose_name='类别')),
+                ('description', models.TextField(verbose_name='描述')),
+                ('progress_percent', models.IntegerField(default=0, verbose_name='进度百分比')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
+                ('entry', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='progresses', to='diary.diaryentry')),
+            ],
+            options={
+                'verbose_name': '进度',
+                'verbose_name_plural': '进度',
+                'ordering': ['-created_at'],
+            },
+        ),
+    ]

diary-system/backend/diary/migrations/0002_experience.py

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+# Generated by Django 4.2.11 on 2026-04-14 08:48
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('diary', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Experience',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=200, verbose_name='标题')),
+                ('category', models.CharField(choices=[('deployment', '📦 部署'), ('development', '💻 开发'), ('database', '🗄️ 数据库'), ('permission', '🔐 权限'), ('network', '🌐 网络'), ('other', '其他')], max_length=50, verbose_name='类别')),
+                ('problem', models.TextField(verbose_name='问题描述')),
+                ('solution', models.TextField(verbose_name='解决方案')),
+                ('lesson_learned', models.TextField(blank=True, default='', verbose_name='经验教训')),
+                ('date', models.DateField(auto_now_add=True, verbose_name='日期')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
+            ],
+            options={
+                'verbose_name': '经验总结',
+                'verbose_name_plural': '经验总结',
+                'ordering': ['-date', '-created_at'],
+            },
+        ),
+    ]

diary-system/backend/diary/models.py

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+from django.db import models
+from django.utils import timezone
+
+class DiaryEntry(models.Model):
+    """日记条目"""
+    date = models.DateField('日期', unique=True)
+    title = models.CharField('标题', max_length=200, default='每日日记')
+    completed_tasks = models.TextField('完成的任务', blank=True, default='')
+    learned = models.TextField('学到的东西', blank=True, default='')
+    problems = models.TextField('遇到的问题和解决方案', blank=True, default='')
+    reflections = models.TextField('想法和反思', blank=True, default='')
+    improvements = models.TextField('进步点', blank=True, default='')
+    plans = models.TextField('明日计划', blank=True, default='')
+    created_at = models.DateTimeField('创建时间', auto_now_add=True)
+    updated_at = models.DateTimeField('更新时间', auto_now=True)
+
+    class Meta:
+        ordering = ['-date']
+        verbose_name = '日记'
+        verbose_name_plural = '日记'
+
+    def __str__(self):
+        return f"{self.date} - {self.title}"
+
+
+class Experience(models.Model):
+    """经验总结 - 记录遇到的问题和解决方法"""
+    title = models.CharField('标题', max_length=200)
+    category = models.CharField('类别', max_length=50, choices=[
+        ('deployment', '📦 部署'),
+        ('development', '💻 开发'),
+        ('database', '🗄️ 数据库'),
+        ('permission', '🔐 权限'),
+        ('network', '🌐 网络'),
+        ('other', '其他'),
+    ])
+    problem = models.TextField('问题描述')
+    solution = models.TextField('解决方案')
+    lesson_learned = models.TextField('经验教训', blank=True, default='')
+    date = models.DateField('日期', auto_now_add=True)
+    created_at = models.DateTimeField('创建时间', auto_now_add=True)
+
+    class Meta:
+        ordering = ['-date', '-created_at']
+        verbose_name = '经验总结'
+        verbose_name_plural = '经验总结'
+
+    def __str__(self):
+        return f"{self.category} - {self.title}"
+
+
+class DailyProgress(models.Model):
+    """每日进度追踪"""
+    entry = models.ForeignKey(DiaryEntry, on_delete=models.CASCADE, related_name='progresses')
+    category = models.CharField('类别', max_length=50)
+    description = models.TextField('描述')
+    progress_percent = models.IntegerField('进度百分比', default=0)
+    created_at = models.DateTimeField('创建时间', auto_now_add=True)
+
+    class Meta:
+        ordering = ['-created_at']
+        verbose_name = '进度'
+        verbose_name_plural = '进度'
+
+    def __str__(self):
+        return f"{self.entry.date} - {self.category}: {self.progress_percent}%"

diary-system/backend/diary/serializers.py

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+from rest_framework import serializers
+from .models import DiaryEntry, DailyProgress, Experience
+
+class ExperienceSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Experience
+        fields = '__all__'
+
+class DailyProgressSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = DailyProgress
+        fields = '__all__'
+
+class DiaryEntrySerializer(serializers.ModelSerializer):
+    progresses = DailyProgressSerializer(many=True, read_only=True)
+
+    class Meta:
+        model = DiaryEntry
+        fields = '__all__'

diary-system/backend/diary/urls.py

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+from django.urls import path, include
+from rest_framework.routers import DefaultRouter
+from .views import DiaryEntryViewSet, DailyProgressViewSet, ExperienceViewSet
+
+router = DefaultRouter()
+router.register(r'entries', DiaryEntryViewSet)
+router.register(r'progress', DailyProgressViewSet)
+router.register(r'experiences', ExperienceViewSet)
+
+urlpatterns = [
+    path('', include(router.urls)),
+]

diary-system/backend/diary/views.py

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+from rest_framework import viewsets
+from rest_framework.decorators import action
+from rest_framework.response import Response
+from django.utils import timezone
+from .models import DiaryEntry, DailyProgress, Experience
+from .serializers import DiaryEntrySerializer, DailyProgressSerializer, ExperienceSerializer
+
+class DiaryEntryViewSet(viewsets.ModelViewSet):
+    queryset = DiaryEntry.objects.all()
+    serializer_class = DiaryEntrySerializer
+
+    @action(detail=False, methods=['get'])
+    def today(self, request):
+        """获取今天的日记"""
+        today = timezone.now().date()
+        entry, created = DiaryEntry.objects.get_or_create(date=today)
+        serializer = self.get_serializer(entry)
+        return Response(serializer.data)
+
+    @action(detail=False, methods=['get'])
+    def recent(self, request):
+        """获取最近 7 天的日记"""
+        entries = DiaryEntry.objects.order_by('-date')[:7]
+        serializer = self.get_serializer(entries, many=True)
+        return Response(serializer.data)
+
+    @action(detail=False, methods=['get'])
+    def stats(self, request):
+        """获取统计信息"""
+        total_entries = DiaryEntry.objects.count()
+        return Response({
+            'total_entries': total_entries,
+            'first_entry': DiaryEntry.objects.order_by('date').first().date if total_entries > 0 else None,
+            'latest_entry': DiaryEntry.objects.order_by('-date').first().date if total_entries > 0 else None,
+        })
+
+class DailyProgressViewSet(viewsets.ModelViewSet):
+    queryset = DailyProgress.objects.all()
+    serializer_class = DailyProgressSerializer
+
+
+class ExperienceViewSet(viewsets.ModelViewSet):
+    queryset = Experience.objects.all()
+    serializer_class = ExperienceSerializer
+
+    @action(detail=False, methods=['get'])
+    def by_category(self, request):
+        """按类别分组获取经验"""
+        categories = {}
+        for exp in Experience.objects.all():
+            cat = exp.get_category_display()
+            if cat not in categories:
+                categories[cat] = []
+            categories[cat].append(ExperienceSerializer(exp).data)
+        return Response(categories)
+
+    @action(detail=False, methods=['get'])
+    def recent(self, request):
+        """获取最近 10 条经验"""
+        experiences = Experience.objects.order_by('-date', '-created_at')[:10]
+        serializer = self.get_serializer(experiences, many=True)
+        return Response(serializer.data)

diary-system/backend/diary_system/__init__.py

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+# Diary System Project

diary-system/backend/diary_system/settings.py

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+"""
+Django settings for diary_system project.
+"""
+
+from pathlib import Path
+import os
+
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+SECRET_KEY = 'django-insecure-diary-system-secret-key-change-in-production'
+
+DEBUG = os.environ.get('DEBUG', 'True').lower() == 'true'
+
+ALLOWED_HOSTS = os.environ.get('ALLOWED_HOSTS', '*').split(',')
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'rest_framework',
+    'corsheaders',
+    'diary',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'corsheaders.middleware.CorsMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'diary_system.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'diary_system.wsgi.application'
+
+# 数据库配置 - 云服务器使用 SQLite，本地使用 PostgreSQL
+if os.path.exists('/home/ubuntu/diary-system'):
+    # 云服务器配置 - SQLite
+    DATABASES = {
+        'default': {
+            'ENGINE': 'django.db.backends.sqlite3',
+            'NAME': BASE_DIR / 'db.sqlite3',
+        }
+    }
+else:
+    # 本地配置 - PostgreSQL
+    DATABASES = {
+        'default': {
+            'ENGINE': 'django.db.backends.postgresql',
+            'NAME': os.environ.get('DB_NAME', 'cssc'),
+            'USER': os.environ.get('DB_USER', 'coder'),
+            'PASSWORD': os.environ.get('DB_PASSWORD', '825670wl'),
+            'HOST': os.environ.get('DB_HOST', '10.2.0.100'),
+            'PORT': os.environ.get('DB_PORT', '5432'),
+        }
+    }
+
+AUTH_PASSWORD_VALIDATORS = [
+    {'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator'},
+    {'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator'},
+    {'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator'},
+    {'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator'},
+]
+
+LANGUAGE_CODE = 'zh-hans'
+TIME_ZONE = 'UTC'
+USE_I18N = True
+USE_TZ = True
+
+STATIC_URL = 'static/'
+STATIC_ROOT = os.path.join(BASE_DIR, 'static')
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+CORS_ALLOW_ALL_ORIGINS = True
+
+REST_FRAMEWORK = {
+    'DEFAULT_PERMISSION_CLASSES': [
+        'rest_framework.permissions.AllowAny',
+    ]
+}

diary-system/backend/diary_system/urls.py

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+"""
+URL configuration for diary_system project.
+"""
+from django.contrib import admin
+from django.urls import path, include
+
+urlpatterns = [
+    path('admin/', admin.site.urls),
+    path('api/', include('diary.urls')),
+]

diary-system/backend/diary_system/wsgi.py

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+"""
+WSGI config for diary_system project.
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'diary_system.settings')
+
+application = get_wsgi_application()

diary-system/backend/manage.py

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+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'diary_system.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+if __name__ == '__main__':
+    main()

diary-system/backend/requirements.txt

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+Django>=4.2
+djangorestframework>=3.14
+django-cors-headers>=4.0
+psycopg2-binary>=2.9