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  • 存储过程

    存储过程

    百度百科上解释为:

    存储过程(Stored Procedure)是在大型数据库系统中,一组为了完成特定功能的SQL 语集, 存储在数据库中,经过第一次编译后再次调用不需要再次编译,用户通过指定存储过程的名字并给出参数(如果该存储过程带有参数)来执行它。存储过程是数据库中的一个重要对象。

    ```

    存储过程

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

    ```

    ```

    使用adodbapi

    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
    

    ```

    ``` 2. 使用pymssql

    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
    

    ```

    来源于https://edu.aliyun.com/a/2256

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  • 原文地址:https://www.cnblogs.com/wailaifeike/p/9695920.html
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