64 lines
1.4 KiB
Python
64 lines
1.4 KiB
Python
# encoding: UTF-8
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import MySQLdb
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import numpy as np
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import matplotlib.pyplot as plt
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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='vnpy', passwd='vnpy', db='BackTest', 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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backtestingId = '20151021-170626'
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#执行脚本，返回记录数
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count = cur.execute('select open,high,low, close,datetime from TB_Bar where Id=\'{0}\''.format(backtestingId))
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print 'there has %s rows bar record' % count
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results = cur.fetchall()
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t1 = []
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o = []
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i = 0
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for r in results:
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i = i+1
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t1.append(i)
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# t.append(r['datetime'])
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o.append(r['open'])
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count = cur.execute('select fastEMA,slowEMA,datetime from TB_Ema where Id=\'{0}\''.format(backtestingId))
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print 'there has %s rows ema record' % count
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results = cur.fetchall()
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fastEma = []
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slowEma = []
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t2 = []
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i = 0
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for r in results:
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i = i+1
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t2.append(i)
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fastEma.append(r['fastEMA'])
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slowEma.append(r['slowEMA'])
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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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plt.plot(t1,o,label='data')
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plt.plot(t2,fastEma,label='fastEma')
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plt.plot(t2,slowEma,label='slowEma')
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plt.xlabel('Time')
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plt.ylabel('price')
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plt.show()
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except MySQLdb.Error, e:
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print "Mysql Error %d: %s" % (e.args[0], e.args[1]) |