在以下代码中,我们导入sqlite3模块并建立数据库连接。我们创建一个表,然后插入数据并从sqlite3数据库检索信息,最后关闭连接。
#sqlitedemo.py import sqlite3 from employee import employee conn = sqlite3.connect('employee.db') c=conn.cursor() c.execute(‘’’CREATE TABLE employee(first text, last text, pay integer)’’’) emp_1 = employee('John', 'Doe', 50000 ) emp_2 = employee('Jane', 'Doe', 60000) emp_3 = employee('James', 'Dell', 80000) c.execute(‘’’INSERT INTO employee VALUES(:first, :last, :pay)’’’,{'first':emp_1.first, 'last':emp_1.last, 'pay':emp_1.pay}) c.execute(‘’’INSERT INTO employee VALUES(:first, :last, :pay)’’’,{'first':emp_2.first, 'last':emp_2.last, 'pay':emp_2.pay}) c.execute(‘’’INSERT INTO employee VALUES(:first, :last, :pay)’’’,{'first':emp_3.first, 'last':emp_3.last, 'pay':emp_3.pay}) c.execute("SELECT * FROM employee WHERE last ='Doe'") print(c.fetchone()) print(c.fetchmany(2)) conn.commit() conn.close()
输出结果
(u'James', u'Dell', 80000) [(u'James', u'Dell', 80000), (u'James', u'Dell', 80000)]