import sqlite3

# 连接到数据库
try:
    conn = sqlite3.connect('database.db')
    c = conn.cursor()
    
    # 查看所有表
    print("数据库中的表：")
    c.execute("SELECT name FROM sqlite_master WHERE type='table';")
    tables = c.fetchall()
    for table in tables:
        print(f"- {table[0]}")
        
        # 查看表结构
        print(f"  {table[0]}表结构：")
        c.execute(f"PRAGMA table_info({table[0]});")
        columns = c.fetchall()
        for column in columns:
            print(f"  - {column[1]} ({column[2]})")
            
    conn.close()
except Exception as e:
    print(f"检查数据库出错: {e}")