8.1.3 Row对象

　　假设数据以下面的方式创建并插入数据：

 import sqlite3

 conn = sqlite3.connect(r'D:\test.db')
 c = conn.cursor()
 c.execute('create table stocks(date text,trans text,symbol text,qty real,price real)')
 c.execute("insert into stocks values('2016-01-05','BUY','RHAT',100,35.14)")
 conn.commit()
 c.close()

 #可以使用下面的方式里读取其中的数据
 conn.row_factory = sqlite3.Row
 c = conn.cursor()
 c.execute('select * from stocks')
 r = c.fetchone()
 print(type(r))
 print(tuple(r))
 print(r[2])
 print(r.keys())
 print(r['qty'])

 for field in r:
     print(field)

 '''
 <class 'sqlite3.Row'>
 ('2016-01-05', 'BUY', 'RHAT', 100.0, 35.14)
 RHAT
 ['date', 'trans', 'symbol', 'qty', 'price']
 100.0
 2016-01-05
 BUY
 RHAT
 100.0
 35.14
 '''