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1 2 3 4 5 | linux： yum install MySQL-python windows：（如果报错需要执行license.py） |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | import MySQLdbconn = 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 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | 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 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | 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 |
1 2 3 4 5 6 7 8 9 10 11 12 13 | 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 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | # ############################## 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] |
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原文地址：http://www.cnblogs.com/daliangtou/p/5131363.html
