Python操作Mysql資料庫

#-*-coding:utf8-*-

__author__ = 'yangjing'
import mysqldb
#查詢。
def select(host="",user="root",password="",port=3306,db="",sql=""):
connect = mysqldb.connect(host=host,user=user,passwd=password,port=port,db=db,charset='utf8')
cursor = connect.cursor()
try:
cursor.execute(sql)
result = cursor.fetchall()
except
exception
as ex:
print ex
cursor.close()
connect.close()
return result
#插入。可插入多條記錄，例value=(("abc"),("def"))；單條插入時，例value=(("abc"),)
def insert(host="",user="root",password="",port=3306,db="",sql="",value=()):
connect = mysqldb.connect(host=host,user=user,passwd=password,port=port,db=db)
cursor = connect.cursor()
try:
count = cursor.executemany(sql,value)
connect.commit()
except
exception
as ex:
print ex
connect.rollback()
cursor.close()
connect.close()
print u"影響總記錄條數:%d" % count
#更新和刪除。
def updanddel(host="",user="root",password="",port=3306,db="",sql=""):
connect = mysqldb.connect(host=host,user=user,passwd=password,port=port,db=db)
cursor = connect.cursor()
try:
count = cursor.execute(sql)
connect.commit()
except
exception
as ex:
print ex
connect.rollback()
cursor.close()
connect.close()
print u"影響總記錄條數:%d" % count
#多個sql語句作為乙個事務執行。
def multisql(host="",user="root",password="",port=3306,db="",sqllist=):
connect = mysqldb.connect(host=host,user=user,passwd=password,port=port,db=db)
cursor = connect.cursor()
count = 0
try:
forsqlin sqllist:
count = count + cursor.execute(sql)
connect.commit()
except
exception
as ex:
print ex
connect.rollback()
cursor.close()
connect.close()
print u"影響總記錄條數:%d" % count
#執行儲存過程
def procedure(host="",user="root",password="",port=3306,db="",procename="",para=()):
connect = mysqldb.connect(host=host,user=user,passwd=password,port=port,db=db)
cursor = connect.cursor()
try:
cursor.callproc(procename,para)
connect.commit()
except
exception
as ex:
print ex
connect.rollback()
cursor.close()
connect.close()
#查詢示例
#插入示例
#insert(host="172.16.3.38",password="123456",db="pytester",sql="insert into pybug_pybugs(title,content) values(%s,%s)",value=(("abc","efg"),("qwe","wwww")))
#更新和刪除示例
#updanddel(host="172.16.3.38",password="123456",db="pytester",sql="update pybug_pybugs set title='***x1' where id=33")
#多個sql作為乙個事務示例
#multisql(host="172.16.3.38",password="123456",db="pytester",sqllist=["update pybug_pybugs set title='***x1' where id=33","update pybug_pybugs set title='***x1' where id=31"])
#儲存過程示例
#procedure(host="172.16.3.38",password="123456",db="pytester",procename="test1",para=("wowo","haha"))

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