import sqlite3
conn = sqlite3.connect('testDB.db')
curs = conn.cursor()
curs.execute('INSERT INTO user(id, name, password) VALUES(1,"lwd","123")')
curs.execute('INSERT INTO user(id, name, password) VALUES(2,"lwd1","123")')
curs.execute('INSERT INTO user(id, name, password) VALUES(3,"lwd2","123")')
conn.commit()
curs.close()
conn.close()
import sqlite3
conn = sqlite3.connect('testDB.db') #连接数据库edums.db
curs = conn.cursor() #获取游标对象
curs.execute("SELECT * FROM user") #执行SQL语句,查询所有数据
print(curs.fetchone()) #获取结果集中的下一条记录
print(curs.fetchmany(2)) #获取结果集中指定数量的记录
print(curs.fetchall()) #获取结果集中剩下的所有记录
conn.commit() #提交事务
curs.close() #关闭游标
conn.close() #关闭数据库连接