Python中执行存储过程及获取存储过程返回值的方法

ALTER  procedure [dbo]. [mysp]
 @Station varchar ( 50),
 @SN varchar ( 50),
 @Info varchar ( 500) output ,
@Msg varchar ( 500) output

from adodbapi import connect
server = 'dbserver'
user = 'username'
password = 'password'
database = 'database'
sp = 'sp'
station = 'station'
sn = 'sn'
try :
  db = connect('Provider=SQLOLEDB.1 ;Data Source=%s;Initial Catalog=%s;/
            User ID=%s;Password=%s;'%(server, database, user, password))
except Exception, e:
  print e
else :
  cur = db.cursor()
  msg = cur.callproc(sp, (station, sn)) #参数与存储过程有关
  if len(msg) > 1 :
    if msg[-1 ] is None :
      print 'sn is ok. Can be test at this station'
    else :
      print msg[-1 ]
finally :
  try : db.close()
  except : pass

from pymssql import connect
server = 'dbserver'
user = 'user'
password = 'password'
database = 'database'
sp = 'sp'
station = 'station'
sn = 'sn'
sql = ['set nocount on' ]
sql.append('declare @Msg varchar(500)' )
sql.append('declare @return_value varchar' )
sql.append("exec @return_value = %s @Station = '%s', @SN = '%s', @Info = '@Info', @Msg = @Msg output" )
sql.append('select @Msg, @return_value' )
sql = '/n' .join(sql) % (sp, station, sn)
def ffchk(server, user, password, database, sql):
  try :
    db = connect(host = server,
          database = database,
          user = user,
          password = password,
          login_timeout = 10 )
    cur = db.cursor()
    cur.execute(sql)
  except Exception, e:
    print e
  else :
    cur.nextset() # 要加上这句才能通过fetch函数取到值   注意：这语句在Python2.7对应的pymssql版本中是错误！！！
    print cur.fetchone()
  finally :
    try : db.close()
    except : pass