Mysql-python Module

Module installation

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linux：    yum install MySQL-python windows：（如果报错需要执行license.py）     Http://files.cnblogs.com/files/daliangtou/py-mysql-win.zip

API Action 1, insert data 1.1 insert a piece of data

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import MySQLdb conn = MySQLdb.connect(host=‘127.0.0.1‘,user=‘root‘,passwd=‘123‘,db=‘mydb‘)cur = conn.cursor()    #打开游标reCount = cur.execute(    ‘insert into UserInfo(Name,Address) values(%s,%s)‘,    (‘test‘,‘beijing‘))   #与字符串格式化不一样，mysql只有%s，没有别的，数字什么的也都用%s# reCount = cur.execute(‘insert into UserInfo(id,Name) values(%(id)s, %(name)s)‘,{‘id‘:12345,‘name‘:‘test1‘})cur.lastrowid()     #获取新插入的数据的自增IDconn.commit()cur.close()conn.close()print reCount    #在数据库中影响的行数

1.2 Inserting more than one data

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import MySQLdbconn = MySQLdb.connect(host=‘127.0.0.1‘,user=‘root‘,passwd=‘123‘,db=‘mydb‘)cur = conn.cursor()li =[     (‘test1‘,‘usa‘),     (‘test2‘,‘china‘),]reCount = cur.executemany(‘insert into UserInfo(Name,Address) values(%s,%s)‘,li)conn.commit()cur.close()conn.close()print reCount

2. Delete data

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import MySQLdb conn = MySQLdb.connect(host=‘127.0.0.1‘,user=‘root‘,passwd=‘1234‘,db=‘mydb‘) cur = conn.cursor() reCount = cur.execute(‘delete from UserInfo‘) conn.commit() cur.close()conn.close() print reCount

3. Modify the data

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import MySQLdb conn = MySQLdb.connect(host=‘127.0.0.1‘,user=‘root‘,passwd=‘1234‘,db=‘mydb‘) cur = conn.cursor() reCount = cur.execute(‘update UserInfo set Name = %s‘,(‘alin‘,)) conn.commit()cur.close()conn.close() print reCount

4. Check the data

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# ############################## fetchone/fetchmany(num)  ############################## import MySQLdb conn = MySQLdb.connect(host=‘127.0.0.1‘,user=‘root‘,passwd=‘1234‘,db=‘mydb‘)cur = conn.cursor() reCount = cur.execute(‘select * from UserInfo‘)  print cur.fetchone()print cur.fetchone()cur.scroll(-1,mode=‘relative‘)     #‘-’号代表当前行位置往回移动，正值是向下移动。print cur.fetchone()print cur.fetchone()cur.scroll(0,mode=‘absolute‘)      #absolute是绝对位置，这行代码的意思是，指向获取结构所有开头的0行位置。print cur.fetchone()               #获取的还是第一行的数据print cur.fetchone() cur.close()conn.close() print reCount    # ############################## fetchall  ############################## import MySQLdb conn = MySQLdb.connect(host=‘127.0.0.1‘,user=‘root‘,passwd=‘1234‘,db=‘mydb‘)#cur = conn.cursor(cursorclass = MySQLdb.cursors.DictCursor)   #结果是列表包含字典cur = conn.cursor() reCount = cur.execute(‘select Name,Address from UserInfo‘) nRet = cur.fetchall()     #获取值是序列包含序列，如默认是列表包含元组，列表包含字典 cur.close()conn.close() print reCountprint nRetfor i in nRet:    print i[0],i[1]

From for notes (Wiz)

Mysql-python Module