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sqlite.py
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72 lines (61 loc) · 1.64 KB
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# encoding: utf-8
__author__ = 'zhanghe'
import sqlite3
class SqLite(object):
def __init__(self, db_name):
self.conn = sqlite3.connect(db_name)
def close(self):
"""
关闭Connection
"""
self.conn.close()
def create(self):
"""
创建数据表
"""
# 创建一个Cursor:
cursor = self.conn.cursor()
# 执行一条SQL语句，创建user表:
cursor.execute('create table user (id varchar(20) primary key, name varchar(20))')
# 继续执行一条SQL语句，插入一条记录:
cursor.execute('insert into user (id, name) values (\'1\', \'Michael\')')
# 通过rowcount获得插入的行数:
print cursor.rowcount
# 关闭Cursor:
cursor.close()
# 提交事务:
self.conn.commit()
def show_tables(self):
"""
显示数据库表名
"""
cursor = self.conn.cursor()
cursor.execute("SELECT name FROM sqlite_master WHERE type='table'")
result = cursor.fetchall()
cursor.close()
print result
return result
def get_row(self):
"""
获取多行数据
:return:
"""
cursor = self.conn.cursor()
# 执行查询语句:
cursor.execute('select * from user where id=?', '1')
# 获得查询结果集:
values = cursor.fetchall()
cursor.close()
print values
return values
def test():
"""
测试
"""
db = SqLite('test.db')
# db.create()
db.show_tables()
db.get_row()
db.close()
if __name__ == '__main__':
test()