46 lines
1.8 KiB
Python
46 lines
1.8 KiB
Python
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import os
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import sqlite3
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def read_sqlite_and_append_to_file(folder_path, output_file='./1.txt'):
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"""
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读取指定文件夹下所有SQLite数据库中的数据，并将其按照“列名: 内容”的格式
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追加到指定的文本文件中。
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:param folder_path: 包含SQLite数据库的文件夹路径
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:param output_file: 输出文件的路径，默认为'1.txt'
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"""
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# 遍历文件夹中的所有文件
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for filename in os.listdir(folder_path):
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if filename.endswith('.db'):
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db_path = os.path.join(folder_path, filename)
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# 连接到SQLite数据库
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conn = sqlite3.connect(db_path)
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cursor = conn.cursor()
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# 获取所有表名
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cursor.execute("SELECT name FROM sqlite_master WHERE type='table';")
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tables = cursor.fetchall()
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for table_name in tables:
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table_name = table_name[0]
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# 获取表的列名
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cursor.execute(f"PRAGMA table_info({table_name});")
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columns = cursor.fetchall()
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column_names = [col[1] for col in columns]
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# 查询表中的所有数据
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cursor.execute(f"SELECT * FROM {table_name};")
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rows = cursor.fetchall()
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for row in rows:
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# 将每一行的数据按照“列名: 内容”的格式写入文件
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with open(output_file, 'a', encoding='utf-8') as file:
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for col_name, value in zip(column_names, row):
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file.write(f"{col_name}: {value}\n")
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file.write("\n") # 每一行数据之间添加一个空行
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# 关闭数据库连接
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conn.close()
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# 示例使用
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read_sqlite_and_append_to_file('./db/')
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