26 lines
581 B
Python
26 lines
581 B
Python
import sqlite3
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# 1. 连接数据库（自动创建）
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conn = sqlite3.connect('data.db')
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cursor = conn.cursor()
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# 2. 创建表
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cursor.execute('CREATE TABLE IF NOT EXISTS users (name TEXT, age INTEGER)')
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# 3. 插入数据
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cursor.execute("INSERT INTO users VALUES ('张三', 25)")
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cursor.execute("INSERT INTO users VALUES ('李四', 30)")
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# 4. 提交更改
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conn.commit()
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# 5. 读取数据
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cursor.execute('SELECT * FROM users')
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rows = cursor.fetchall()
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print("所有用户数据:")
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for row in rows:
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print(f"姓名: {row[0]}, 年龄: {row[1]}")
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# 6. 关闭连接
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conn.close() |