47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
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# encoding: UTF-8
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import MySQLdb
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try:
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#连接数据库
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conn = MySQLdb.connect(host='vnpy.cloudapp.net', user='stockcn', passwd='7uhb*IJN', db='stockcn', port=3306)
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#获取指针
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cur = conn.cursor(MySQLdb.cursors.DictCursor)
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symbol = 'a'
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#执行脚本，返回记录数
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count = cur.execute(' select \'{0}\' as InstrumentID, str_to_date(concat(ndate,\' \', ntime),\'%Y-%m-%d %H:%i:%s\') as UpdateTime,price as LastPrice,vol as Volume,position_vol as OpenInterest,bid1_price as BidPrice1,bid1_vol as BidVolume1, sell1_price as AskPrice1, sell1_vol as AskVolume1 from TB_{0}MI limit 0,100;'.format(symbol))
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print 'there has %s rows record' % count
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#取回第一条记录
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result = cur.fetchone()
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print result
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#取回5条记录
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results = cur.fetchmany(5)
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for r in results:
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print r
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print '=='*10
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cur.scroll(0, mode = 'absolute')
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results = cur.fetchall()
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desc = cur.description
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print 'cur.description:', desc
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for r in results:
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#InstrumentID, UpdateTime, LastPrice, Volume, OpenInterest, BidPrice1, BidVolume1, AskPrice1, AskVolume1 = r
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#print InstrumentID, UpdateTime
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#print LastPrice*Volume;
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print r['InstrumentID'], float(r['LastPrice'])
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#关闭指针，关闭连接
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cur.close()
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conn.close()
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except MySQLdb.Error, e:
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print "Mysql Error %d: %s" % (e.args[0], e.args[1])
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