guyue55
aa2fc6d84d
2. 优化首页 已完成首页的优化工作，主要改进包括： - 优化了统计卡片的设计，添加了渐变背景和精致的阴影效果 - 改进了图标和数字的视觉效果，增加了文字阴影和图标动画 - 添加了数据趋势指标，以更直观的方式展示数据状态 - 优化了快速入门指南的样式，增加了悬停效果和平滑过渡动画 - 调整了响应式布局的间距和尺寸，确保在各种设备上都能良好显示
53 lines
1.9 KiB
Python
53 lines
1.9 KiB
Python
import logging
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from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
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from sqlalchemy.orm import sessionmaker
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from sqlalchemy import text, select, inspect
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from app.core.config import settings
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from app.models.base import Base
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from app.models.type import Type
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# SQLite异步URL需要使用aiosqlite
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DATABASE_URL = settings.DATABASE_URL.replace("sqlite:///", "sqlite+aiosqlite:///")
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engine = create_async_engine(DATABASE_URL, echo=True)
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AsyncSessionLocal = sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
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async def init_db():
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"""初始化数据库，创建所有表"""
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try:
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# 检查表是否存在
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async with engine.connect() as conn:
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# 检查types表是否存在
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result = await conn.execute(text("SELECT name FROM sqlite_master WHERE type='table' AND name='types'"))
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table_exists = result.scalar() is not None
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if not table_exists:
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# 如果表不存在，创建所有表
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async with engine.begin() as conn2:
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await conn2.run_sync(Base.metadata.create_all)
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# 创建默认数据
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async with AsyncSessionLocal() as session:
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# 创建默认配置类型
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default_type = Type(
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type_name="default",
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description="默认配置类型"
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)
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session.add(default_type)
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await session.commit()
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logging.info("数据库初始化成功，创建了默认配置类型")
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else:
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logging.info("数据库表已存在，跳过初始化")
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except Exception as e:
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logging.error(f"数据库初始化失败: {e}")
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raise
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async def get_db():
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"""获取数据库会话"""
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db = AsyncSessionLocal()
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try:
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yield db
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finally:
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await db.close() |