Python操作MySQL

# coding=utf-

import MySQLdb

#查询数量 def Count(cur):

count=cur.execute( 'select * from Student' )

print 'there has %s rows record' % count

 

#插入 def Insert(cur):

sql = "insert into Student(ID,Name,Age,Sex)values(%s,%s,%s,%s)"

param = ( , 'xiaoming' , , 'boy' )

cur.execute(sql,param)

#查询 def Select(cur):

n = cur.execute( "select * from Student" )

print "------"

for row in cur.fetchall():

for r in row:

print r

print "------"

#更新 def Update(cur):

sql = "update Student set Name = %s where ID = 2"

param = ( "xiaoxue" )

count = cur.execute(sql,param)

#删除 def Delete(cur):

sql = "delete from Student where Name = %s"

param =( "xiaoxue" )

n = cur.execute(sql,param)

 

try :

conn=MySQLdb.connect(host= 'localhost' ,user= 'root' ,passwd= '123456' ,db= '' ,port= )

cur=conn.cursor()

#数量

Count(cur)

#查询

Select(cur)

#插入

Insert(cur)

print "插入之后"

#查询

Select(cur)

#更新

Up(cur)

print "更新之后"

#查询

Select(cur)

#删除

Delete(cur)

print "删除之后"

#查询

Select(cur)

 

cur.close()

conn.close()

 

except MySQLdb.Error,e:

print "Mysql Error %d: %s" % (e.args[ ], e.args[ ])

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