121 lines
3.3 KiB
Python
121 lines
3.3 KiB
Python
import pymysql
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import sys
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# 数据库配置
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config = {
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'host': '27.124.22.104',
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'user': 'taibai',
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'password': 'taibaishopping',
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'database': 'online_shopping',
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'port': 3306,
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'charset': 'utf8mb4',
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'connect_timeout': 10, # 设置连接超时时间
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'read_timeout': 10,
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'write_timeout': 10
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}
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def test_connection():
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try:
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print("正在测试数据库连接...")
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print(f"主机: {config['host']}")
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print(f"端口: {config['port']}")
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print(f"用户: {config['user']}")
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print(f"数据库: {config['database']}")
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# 尝试连接数据库
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connection = pymysql.connect(**config)
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print("✅ 数据库连接成功！")
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# 测试查询
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with connection.cursor() as cursor:
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cursor.execute("SELECT VERSION()")
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version = cursor.fetchone()
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print(f"MySQL版本: {version[0]}")
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cursor.execute("SHOW TABLES")
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tables = cursor.fetchall()
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print(f"当前数据库中的表数量: {len(tables)}")
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if tables:
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print("现有表:")
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for table in tables:
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print(f" - {table[0]}")
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connection.close()
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return True
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except pymysql.Error as e:
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print(f"❌ 数据库连接失败: {e}")
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return False
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except Exception as e:
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print(f"❌ 连接过程中发生错误: {e}")
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return False
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if __name__ == "__main__":
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if test_connection():
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print("\n数据库连接测试通过，可以继续运行应用。")
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else:
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print("\n请检查数据库配置或网络连接。")
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sys.exit(1)
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import pymysql
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import sys
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# 数据库配置
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config = {
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'host': '27.124.22.104',
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'user': 'taibai',
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'password': 'taibaishopping',
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'database': 'online_shopping',
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'port': 3306,
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'charset': 'utf8mb4',
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'connect_timeout': 10, # 设置连接超时时间
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'read_timeout': 10,
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'write_timeout': 10
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}
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def test_connection():
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try:
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print("正在测试数据库连接...")
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print(f"主机: {config['host']}")
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print(f"端口: {config['port']}")
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print(f"用户: {config['user']}")
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print(f"数据库: {config['database']}")
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# 尝试连接数据库
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connection = pymysql.connect(**config)
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print("✅ 数据库连接成功！")
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# 测试查询
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with connection.cursor() as cursor:
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cursor.execute("SELECT VERSION()")
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version = cursor.fetchone()
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print(f"MySQL版本: {version[0]}")
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cursor.execute("SHOW TABLES")
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tables = cursor.fetchall()
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print(f"当前数据库中的表数量: {len(tables)}")
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if tables:
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print("现有表:")
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for table in tables:
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print(f" - {table[0]}")
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connection.close()
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return True
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except pymysql.Error as e:
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print(f"❌ 数据库连接失败: {e}")
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return False
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except Exception as e:
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print(f"❌ 连接过程中发生错误: {e}")
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return False
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if __name__ == "__main__":
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if test_connection():
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print("\n数据库连接测试通过，可以继续运行应用。")
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else:
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print("\n请检查数据库配置或网络连接。")
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sys.exit(1)
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