import argparse
import mysql.connector

def connect_to_database(host, user, password, database):
    return mysql.connector.connect(
        host=host,
        user=user,
        password=password,
        database=database
    )

def main():
    parser = argparse.ArgumentParser(description="Database Management System")
    parser.add_argument("--host", help="Database host", default="localhost")
    parser.add_argument("--user", help="Database user", required=True)
    parser.add_argument("--password", help="Database password", required=True)
    parser.add_argument("--database", help="Database name", required=True)
    args = parser.parse_args()

    connection = connect_to_database(args.host, args.user, args.password, args.database)
    cursor = connection.cursor()

    # 在这里添加你的数据库操作逻辑

if __name__ == "__main__":
    main()

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