45 lines
1.1 KiB
Python
45 lines
1.1 KiB
Python
import sqlite3
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def build_database(database_name, excel_name):
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# 连接数据库
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conn = sqlite3.connect(database_name)
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# 创建表格
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conn.execute(f'''CREATE TABLE IF NOT EXISTS {excel_name} (
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id INTEGER PRIMARY KEY,
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myarray TEXT);''')
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# 将数据写入数据库
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def save_database(database_name, excel_name, myarray):
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# 连接数据库
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conn = sqlite3.connect(database_name)
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# 将数组转换为字符串，以便保存到数据库中
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myarray_str = str(myarray)
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# 将数组保存到数据库中
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conn.execute(f"INSERT INTO {excel_name} (myarray) VALUES (?)", (myarray_str,))
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# 提交更改
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conn.commit()
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# 关闭连接
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conn.close()
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# 读取数据库数据
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def read_database(database_name, excel_name):
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# 连接数据库
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conn = sqlite3.connect(database_name)
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# 从数据库中读取保存的一维数组
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cursor = conn.execute(f"SELECT myarray from {excel_name}")
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myarray_str = cursor.fetchone()[0]
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print(len(myarray_str))
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myarray1 = eval(myarray_str)
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print(len(myarray1))
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# 关闭连接
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conn.close()
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