demoStrategy

vn.data/mysqldb.sql

@@ -1,14 +1,46 @@
 use BackTest;
 
-create table TB_Trade
+CREATE TABLE `TB_Trade` (
+  `Id` varchar(255) DEFAULT NULL,
+  `symbol` varchar(20) DEFAULT NULL,
+  `orderRef` int(11) DEFAULT '0',
+  `tradeID` int(11) DEFAULT '0',
+  `direction` tinyint(4) DEFAULT NULL,
+  `offset` tinyint(4) DEFAULT NULL,
+  `price` float DEFAULT NULL,
+  `volume` int(11) DEFAULT NULL,
+  `tradeTime` datetime DEFAULT NULL,
+  `amount` float DEFAULT '0',
+  `fee` float DEFAULT '0',
+  `profit` float DEFAULT '0',
+  `profitRate` float DEFAULT '0'
+) 
+
+create table TB_Bar
 (
     Id varchar(255),
     symbol varchar(20),
-    orderRef varchar(20),
-    tradeID varchar(20),
-    direction varchar(10),
-    offset varchar(10),
-    price float,
-    volume int
+    open float,
+    high float,
+    low float,
+    close float,
+    date date,
+    time time,
+    datetime datetime,
+    volume long,
+    openInterest long
+
+);
+
+create table TB_Ema
+(
+    Id varchar(255),
+    symbol varchar(20),
+    fastEMA float,
+    slowEMA float,
+    date date,
+    time time,
+    datetime datetime
+
+);
 
-);

vn.event/eventEngine.py

@@ -69,8 +69,10 @@ class EventEngine:
         # 事件处理线程
         self.__thread = Thread(target = self.__run)
         
-        # 计时器，用于触发计时器事件
+        # 计时器
         self.__timer = QTimer()
+
+        # 绑定用于触发计时器事件
         self.__timer.timeout.connect(self.__onTimer)
         
         # 这里的__handlers是一个字典，用来保存对应的事件调用关系
@@ -84,10 +86,15 @@ class EventEngine:
 
         print u'eventEngine.py EventEngine.__run begin.'
 
+        # 循环
         while self.__active == True:
             try:
-                event = self.__queue.get(block = True, timeout = 1)  # 获取事件的阻塞时间设为1秒
+                # 阻塞模式，获取事件的阻塞时间设为1秒
+                event = self.__queue.get(block = True, timeout = 1)
+
+                # 执行事件处理
                 self.__process(event)
+
             except Empty:
                 pass
             

vn.strategy/strategydemo/backtestingEngine.py

@@ -160,7 +160,7 @@ class BacktestingEngine(object):
                 #self.listDataHistory = cur.fetchall()
 
                 fetch_counts = 0
-                fetch_size = 10000
+                fetch_size = 1000
 
                 while True:
                     results = cur.fetchmany(fetch_size)
@@ -311,12 +311,17 @@ class BacktestingEngine(object):
             event.dict_['data'] = data
             self.strategyEngine.updateMarketData(event)
 
-        #保存到数据库中
+        # 保存交易到数据库中
         self.saveTradeDataToMysql()
 
+
         t2 = datetime.now()
+
         self.writeLog(u'回测结束,{0},耗时:{1}秒'.format(str(t2),(t2-t1).seconds))
 
+        # 保存策略过程数据到数据库
+        self.strategyEngine.saveData(self.Id)
+
 
     
     #----------------------------------------------------------------------

vn.strategy/strategydemo/demoStrategy.py

@@ -76,8 +76,8 @@ class SimpleEmaStrategy(StrategyTemplate):
         # 属于updateMarketData推送的第一个Tick数据,忽略交易逻辑
         self.firstMarketTick = True
 
-        self.lineK = []         # K线数据
-        self.lineEMA = []   # 快速、慢速EMA数据
+        self.lineBar = []       # K线数据
+        self.lineEMA = []       # 快速、慢速EMA数据
 
 
         
@@ -250,16 +250,18 @@ class SimpleEmaStrategy(StrategyTemplate):
         #self.listTime.append(t)
 
         # 保存K线数据
-        k = Bar()
-        k.open = o
-        k.high = h
-        k.low = l
-        k.close = c
-        k.volume = volume
-        k.date = t.date#
-        k.datetime = t
+        bar = Bar()
+        bar.symbol = self.symbol
+        bar.open = o
+        bar.high = h
+        bar.low = l
+        bar.close = c
+        bar.volume = volume
+        bar.date = t.strftime('%Y-%m-%d')
+        bar.time = t.strftime('%H:%M:%S')
+        bar.datetime = t
 
-        self.lineK.append(k)
+        self.lineBar.append(bar)
 
         # 计算EMA
         if self.fastEMA:
@@ -270,10 +272,11 @@ class SimpleEmaStrategy(StrategyTemplate):
             self.slowEMA = c
 
         emaData = EmaData()
+        emaData.symbol = self.symbol
         emaData.fastEMA = self.fastEMA
         emaData.slowEMA = self.slowEMA
-        emaData.date = t.date
-        emaData.time = t.time
+        emaData.date = t.strftime('%Y-%m-%d')
+        emaData.time = t.strftime('%H:%M:%S')
         emaData.datetime = t
         self.lineEMA.append(emaData)
 
@@ -328,6 +331,17 @@ class SimpleEmaStrategy(StrategyTemplate):
         tt = time(int(hh), int(mm), int(ss), microsecond=ms)
         return tt
 
+     #----------------------------------------------------------------------
+    def saveData(self, id):
+         """保存过程数据"""
+         # 保存K线
+         print u'{0}保存K线'.format(self.name)
+         self.engine.saveBarToMysql(id, self.lineBar)
+
+         # 保存快速EMA和慢速EMA
+         self.engine.saveEmaToMysql(id, self.lineEMA)
+
+
 #----------------------------------------------------------------------
 def print_log(event):
     """打印日志"""

vn.strategy/strategydemo/strategyEngine.py

@@ -1,6 +1,6 @@
 # encoding: UTF-8
 
-from datetime import datetime
+from datetime import datetime,timedelta
 print u'StragegyEngine.py import datetime.datetime success'
 
 from pymongo import  MongoClient as Connection
@@ -87,7 +87,7 @@ class Bar(object):
     #----------------------------------------------------------------------
     def __init__(self):
         """Constructor"""
-        #self.vtSymbol = EMPTY_STRING        # vt系统代码
+
         self.symbol = EMPTY_STRING          # 代码
         #self.exchange = EMPTY_STRING        # 交易所
 
@@ -111,9 +111,9 @@ class EmaData(object):
     def __init__(self):
         """Constructor"""
 
-
-        self.fastEMA = EMPTY_FLOAT             # 快速EMA的数值
-        self.slowEMA = EMPTY_FLOAT             # 慢速EMA的数值
+        self.symbol = EMPTY_STRING          # 代码
+        self.fastEMA = EMPTY_FLOAT          # 快速EMA的数值
+        self.slowEMA = EMPTY_FLOAT          # 慢速EMA的数值
 
         self.date = EMPTY_STRING            # EMA开始的时间，日期
         self.time = EMPTY_STRING            # 时间
@@ -344,9 +344,31 @@ class StrategyEngine(object):
 
             count = cur.execute(sqlstring)
 
-            cx = cur.fetchall()
+            # cx = cur.fetchall()
+            fetch_counts = 0
 
-            print u'历史TICK数据载入完成，{1}~{2},共{0}条'.format(count,startDate,endDate)
+            fetch_size = 1000
+
+            while True:
+                results = cur.fetchmany(fetch_size)
+
+                if not results:
+                    break
+
+
+
+                if fetch_counts == 0:
+                    cx = results
+                else:
+                    cx = cx + results
+
+                fetch_counts = fetch_counts+fetch_size
+
+                print u'历史TICK数据载入{0}条'.format(fetch_counts)
+
+            self.writeLog(u'历史TICK数据载入完成，{1}~{2},共{0}条'.format(count,startDate,endDate))
+
+            print u'策略引擎：历史TICK数据载入完成，{1}~{2},共{0}条'.format(count,startDate,endDate)
 
             return cx
         else:
@@ -386,6 +408,118 @@ class StrategyEngine(object):
         td = timedelta(days=3)
 
         return startDate-td;
+    #----------------------------------------------------------------------
+    def saveBarToMysql(self,id, barList):
+        """
+        保存K线数据到数据库
+        id， 回测ID
+        barList， 对象为Bar的列表
+        """
+        if self.__mysqlConnected:
+            sql='insert into BackTest.TB_Bar (Id, symbol ,open ,high ,low ,close ,date ,time ,datetime, volume, openInterest) values '
+            values = ''
+
+            print u'共{0}条Bar记录.'.format(len(barList))
+
+            steps = 0
+
+            for bar in barList:
+
+                if len(values) > 0:
+                    values = values + ','
+
+                values = values + '(\'{0}\',\'{1}\',{2},{3},{4},{5},\'{6}\',\'{7}\',\'{8}\',{9},{10})'.format(
+                    id,
+                    bar.symbol,
+                    bar.open,
+                    bar.high,
+                    bar.low,
+                    bar.close,
+                    bar.date,
+                    bar.time,
+                    bar.datetime.strftime('%Y-%m-%d %H:%M:%S'),
+                    bar.volume,
+                    bar.openInterest)
+
+                if steps > 3600:
+
+                        cur = self.__mysqlConnection.cursor(MySQLdb.cursors.DictCursor)
+
+                        steps = 0
+
+                        values = EMPTY_STRING
+
+                        try:
+                            cur.execute(sql+values)
+                            self.__mysqlConnection.commit()
+                        except Exception, e:
+                            print e
+
+                else:
+                    steps = steps + 1
+
+            cur = self.__mysqlConnection.cursor(MySQLdb.cursors.DictCursor)
+
+            try:
+                 cur.execute(sql+values)
+                 self.__mysqlConnection.commit()
+            except Exception, e:
+                 print e
+
+    #----------------------------------------------------------------------
+    def saveEmaToMysql(self, id, emaList):
+        """
+        保存EMA到数据库
+        id,回测的编号
+        """
+        if self.__mysqlConnected:
+            sql='insert into BackTest.TB_Ema (Id, symbol ,fastEMA,slowEMA ,date ,time ,datetime) values '
+            values = ''
+
+            print u'共{0}条EMA记录.'.format(len(emaList))
+
+            steps = 0
+
+            for ema in emaList:
+
+                if len(values) > 0:
+                    values = values + ','
+
+                values = values + '(\'{0}\',\'{1}\',{2},{3},\'{4}\',\'{5}\',\'{6}\')'.format(
+                    id,
+                    ema.symbol,
+                    ema.fastEMA,
+                    ema.slowEMA,
+                    ema.date,
+                    ema.time,
+                    ema.datetime.strftime('%Y-%m-%d %H:%M:%S'))
+
+                if steps > 3600:
+
+                        cur = self.__mysqlConnection.cursor(MySQLdb.cursors.DictCursor)
+
+                        steps = 0
+
+                        values = EMPTY_STRING
+
+                        try:
+                            cur.execute(sql+values)
+                            self.__mysqlConnection.commit()
+                        except Exception, e:
+                            print e
+
+                else:
+                    steps = steps + 1
+
+            cur = self.__mysqlConnection.cursor(MySQLdb.cursors.DictCursor)
+
+            try:
+                 cur.execute(sql+values)
+                 self.__mysqlConnection.commit()
+
+            except Exception, e:
+                 print e
+
 
     #----------------------------------------------------------------------
     def updateMarketData(self, event):
@@ -732,6 +866,12 @@ class StrategyEngine(object):
         for strategy in self.dictStrategy.values():
             strategy.stop()
 
+    #----------------------------------------------------------------------
+    def saveData(self,id):
+        """保存所有策略的过程数据"""
+        print(u'保存所有策略的过程数据')
+        for strategy in self.dictStrategy.values():
+            strategy.saveData(id)
 
 ########################################################################
 class StrategyTemplate(object):
@@ -780,7 +920,12 @@ class StrategyTemplate(object):
         """
         self.trading = True
         self.engine.writeLog(self.name + u'开始运行')
-        
+
+    #----------------------------------------------------------------------
+    def saveData(self,Id):
+        """保存数据"""
+        raise NotImplementedError
+
     #----------------------------------------------------------------------
     def stop(self):
         """

vn.trader/LTS_connect.json

@@ -0,0 +1,11 @@
+{
+    "brokerID": "2011", 
+    "tdAddress": "tcp://211.144.195.163:54505",
+    "qryAddress": "tcp://211.144.195.163:54506",  
+    "mdAddress": "tcp://211.144.195.163:54513",
+    "productInfo": "LTS-Test", 
+    "authCode": "N3EHKP4CYHZGM9VJ", 
+    "tdPassword": "150601", 
+    "mdPassword": "123", 
+    "userID": "020090002037"
+}

vn.trader/ctaConstant.py

@@ -0,0 +1,15 @@
+# encoding: UTF-8
+
+# CTA引擎中涉及到的交易方向类型
+CTAORDER_BUY = u'买开'
+CTAORDER_SELL = u'卖平'
+CTAORDER_SHORT = u'卖开'
+CTAORDER_COVER = u'买平'
+
+# 本地停止单状态
+STOPORDER_WAITING = u'等待中'
+STOPORDER_CANCELLED = u'已撤销'
+STOPORDER_TRIGGERED = u'已触发'
+
+# 本地停止单前缀
+STOPORDERPREFIX = 'CtaStopOrder.'

vn.trader/ctaEngine.py

@@ -0,0 +1,445 @@
+# encoding: UTF-8
+
+from datetime import datetime
+import json
+from collections import OrderedDict
+
+from eventEngine import *
+from vtConstant import *
+from vtGateway import VtOrderReq, VtCancelOrderReq
+
+from ctaConstant import *
+from ctaStrategies import strategyClassDict
+
+
+########################################################################
+class StopOrder(object):
+    """本地停止单"""
+
+    #----------------------------------------------------------------------
+    def __init__(self):
+        """Constructor"""
+        self.vtSymbol = EMPTY_STRING
+        self.orderType = EMPTY_UNICODE
+        self.price = EMPTY_FLOAT
+        self.volume = EMPTY_INT
+        
+        self.strategy = None             # 下停止单的策略对象
+        self.stopOrderID = EMPTY_STRING  # 停止单的本地编号 
+        self.status = EMPTY_STRING       # 停止单状态
+
+
+########################################################################
+class CtaBarData(object):
+    """K线数据"""
+
+    #----------------------------------------------------------------------
+    def __init__(self):
+        """Constructor"""
+        self.vtSymbol = EMPTY_STRING        # vt系统代码
+        self.symbol = EMPTY_STRING          # 代码
+        self.exchange = EMPTY_STRING        # 交易所
+    
+        self.open = EMPTY_FLOAT             # OHLC
+        self.high = EMPTY_FLOAT
+        self.low = EMPTY_FLOAT
+        self.close = EMPTY_FLOAT
+        
+        self.date = EMPTY_STRING            # bar开始的时间，日期
+        self.time = EMPTY_STRING            # 时间
+        self.datetime = None                # python的datetime时间对象
+        
+        self.volume = EMPTY_INT             # 成交量
+        self.openInterest = EMPTY_INT       # 持仓量
+
+
+########################################################################
+class CtaTickData(object):
+    """Tick数据"""
+
+    #----------------------------------------------------------------------
+    def __init__(self):
+        """Constructor"""       
+        self.vtSymbol = EMPTY_STRING            # vt系统代码
+        self.symbol = EMPTY_STRING              # 合约代码
+        self.exchange = EMPTY_STRING            # 交易所代码
+
+        # 成交数据
+        self.lastPrice = EMPTY_FLOAT            # 最新成交价
+        self.volume = EMPTY_INT                 # 最新成交量
+        self.openInterest = EMPTY_INT           # 持仓量
+        
+        self.upperLimit = EMPTY_FLOAT           # 涨停价
+        self.lowerLimit = EMPTY_FLOAT           # 跌停价
+        
+        # tick的时间
+        self.date = EMPTY_STRING            # 日期
+        self.time = EMPTY_STRING            # 时间
+        self.datetime = None                # python的datetime时间对象
+        
+        # 五档行情
+        self.bidPrice1 = EMPTY_FLOAT
+        self.bidPrice2 = EMPTY_FLOAT
+        self.bidPrice3 = EMPTY_FLOAT
+        self.bidPrice4 = EMPTY_FLOAT
+        self.bidPrice5 = EMPTY_FLOAT
+        
+        self.askPrice1 = EMPTY_FLOAT
+        self.askPrice2 = EMPTY_FLOAT
+        self.askPrice3 = EMPTY_FLOAT
+        self.askPrice4 = EMPTY_FLOAT
+        self.askPrice5 = EMPTY_FLOAT        
+        
+        self.bidVolume1 = EMPTY_INT
+        self.bidVolume2 = EMPTY_INT
+        self.bidVolume3 = EMPTY_INT
+        self.bidVolume4 = EMPTY_INT
+        self.bidVolume5 = EMPTY_INT
+        
+        self.askVolume1 = EMPTY_INT
+        self.askVolume2 = EMPTY_INT
+        self.askVolume3 = EMPTY_INT
+        self.askVolume4 = EMPTY_INT
+        self.askVolume5 = EMPTY_INT    
+
+
+########################################################################
+class CtaEngine(object):
+    """CTA策略引擎"""
+    settingFileName = 'CTA_setting.json'
+
+    #----------------------------------------------------------------------
+    def __init__(self, mainEngine, eventEngine, dataEngine):
+        """Constructor"""
+        self.mainEngine = mainEngine
+        self.eventEngine = eventEngine
+        self.dataEngine = dataEngine
+        
+        # 保存策略对象的字典
+        # key为策略名称，value为策略对象，注意策略名称不允许重复
+        self.strategyDict = {}
+        
+        # 保存vtSymbol和策略对象映射的字典（用于推送tick数据）
+        # 由于可能多个strategy交易同一个vtSymbol，因此key为vtSymbol
+        # value为包含所有相关strategy对象的list
+        self.tickStrategyDict = {}
+        
+        # 保存vtOrderID和strategy对象映射的字典（用于推送order和trade数据）
+        # key为vtOrderID，value为strategy对象
+        self.orderStrategyDict = {}     
+        
+        # 本地停止单编号计数
+        self.stopOrderCount = 0
+        # stopOrderID = STOPORDERPREFIX + str(stopOrderCount)
+        
+        # 本地停止单字典
+        # key为stopOrderID，value为stopOrder对象
+        self.stopOrderDict = {}             # 停止单撤销后不会从本字典中删除
+        self.workingStopOrderDict = {}      # 停止单撤销后会从本字典中删除
+        
+    #----------------------------------------------------------------------
+    def sendOrder(self, vtSymbol, orderType, price, volume, strategy):
+        """发单"""
+        contract = self.dataEngine.getContract(vtSymbol)
+        
+        req = VtOrderReq()
+        req.symbol = contract.symbol
+        req.exchange = contract.exchange
+        req.price = price
+        req.volume = volume
+        
+        # 设计为CTA引擎发出的委托只允许使用限价单
+        req.priceType = PRICETYPE_LIMITPRICE    
+        
+        # CTA委托类型映射
+        if orderType == CTAORDER_BUY:
+            req.direction = DIRECTION_LONG
+            req.offset = OFFSET_OPEN
+        elif orderType == CTAORDER_SELL:
+            req.direction = DIRECTION_SHORT
+            req.offset = OFFSET_CLOSE
+        elif orderType == CTAORDER_SHORT:
+            req.direction = DIRECTION_SHORT
+            req.offset = OFFSET_OPEN
+        elif orderType == CTAORDER_COVER:
+            req.direction = DIRECTION_LONG
+            req.offset = OFFSET_CLOSE
+        
+        vtOrderID = self.mainEngine.sendOrder(req)  # 发单
+        self.orderDict[vtOrderID] = strategy        # 保存vtOrderID和策略的映射关系
+        return vtOrderID
+    
+    #----------------------------------------------------------------------
+    def cancelOrder(self, vtOrderID):
+        """撤单"""
+        # 查询报单对象
+        order = self.dataEngine.getOrder(vtOrderID)
+        
+        # 如果查询成功
+        if order:
+            # 检查是否报单还有效，只有有效时才发出撤单指令
+            orderFinished = (order.status==STATUS_ALLTRADED or order.status==STATUS_CANCELLED)
+            if not orderFinished:
+                req = VtCancelOrderReq()
+                req.symbol = order.symbol
+                req.exchange = order.exchange
+                req.frontID = order.frontID
+                req.sessionID = order.sessionID
+                req.orderID = order.orderID
+                self.mainEngine.cancelOrder(req, order.gatewayName)    
+        
+    #----------------------------------------------------------------------
+    def sendStopOrder(self, vtSymbol, orderType, price, volume, strategy):
+        """发停止单（本地实现）"""
+        self.stopOrderCount += 1
+        stopOrderID = STOPORDERPREFIX + str(self.stopOrderCount)
+        
+        so = StopOrder()
+        so.vtSymbol = vtSymbol
+        so.orderType = orderType
+        so.price = price
+        so.volume = volume
+        so.strategy = strategy
+        so.stopOrderID = stopOrderID
+        so.status = STOPORDER_WAITING
+        
+        # 保存stopOrder对象到字典中
+        self.stopOrderDict[stopOrderID] = so
+        self.workingStopOrderDict[stopOrderID] = so
+        
+        return stopOrderID
+    
+    #----------------------------------------------------------------------
+    def cancelStopOrder(self, stopOrderID):
+        """撤销停止单"""
+        # 检查停止单是否存在
+        if stopOrderID in self.workingStopOrderDict:
+            so = self.workingStopOrderDict[stopOrderID]
+            so.status = STOPORDER_CANCELLED
+            del self.workingStopOrderDict[stopOrderID]
+            
+    #----------------------------------------------------------------------
+    def processStopOrder(self, tick):
+        """收到行情后处理本地停止单（检查是否要立即发出）"""
+        vtSymbol = tick.vtSymbol
+        
+        # 首先检查是否有策略交易该合约
+        if vtSymbol in self.tickStrategyDict:
+            # 遍历等待中的停止单，检查是否会被触发
+            for so in self.workingStopOrderDict.values():
+                if so.vtSymbol == vtSymbol:
+                    longTriggered = so.direction==DIRECTION_LONG and tick.lastPrice>=so.price        # 多头停止单被触发
+                    shortTriggered = so.direction==DIRECTION_SHORT and tick.lasatPrice<=so.price     # 空头停止单被触发
+                    
+                    if longTriggered or shortTriggered:
+                        # 买入和卖出分别以涨停跌停价发单（模拟市价单）
+                        if so.direction==DIRECTION_LONG:
+                            price = tick.upperLimit
+                        else:
+                            price = tick.lowerLimit
+                        
+                        so.status = STOPORDER_TRIGGERED
+                        self.sendOrder(so.vtSymbol, so.orderType, price, so.volume, so.strategy)
+                        del self.workingStopOrderDict[so.stopOrderID]
+        
+    #----------------------------------------------------------------------
+    def procecssTick(self, tick):
+        """处理行情推送"""
+        # 收到tick行情后，先处理本地停止单（检查是否要立即发出）
+        self.processStopOrder(tick)
+        
+        # 推送tick到对应的策略对象进行处理
+        if tick.vtSymbol in self.tickStrategyDict:
+            # 将vtTickData数据转化为ctaTickData
+            ctaTick = CtaTickData()
+            d = ctaTick.__dict__
+            for key in d.keys():
+                d[key] = tick.__getattribute__(key)
+            # 添加datetime字段
+            ctaTick.datetime = datetime.strptime(' '.join([tick.date, tick.time]), '%Y%m%d %H:%M:%S.%f')
+            
+            # 逐个推送到策略对象中
+            l = self.tickStrategyDict[tick.vtSymbol]
+            for strategy in l:
+                strategy.onTick(tick)
+    
+    #----------------------------------------------------------------------
+    def processOrder(self, order):
+        """处理委托推送"""
+        if order.vtOrderID in self.orderStrategyDict:
+            strategy = self.orderStrategyDict[order.vtOrderID]            
+            strategy.onOrder(order)
+    
+    #----------------------------------------------------------------------
+    def processTrade(self, trade):
+        """处理成交推送"""
+        if trade.vtOrderID in self.orderStrategyDict:
+            strategy = self.orderStrategyDict[order.vtOrderID]
+            strategy.onTrade(trade)
+    
+    #----------------------------------------------------------------------
+    def registerEvent(self):
+        """注册事件监听"""
+        self.eventEngine.register(EVENT_TICK, self.procecssTick)
+        self.eventEngine.register(EVENT_ORDER, self.processOrder)
+        self.eventEngine.register(EVENT_TRADE, self.processTrade)
+        
+    #----------------------------------------------------------------------
+    def insertData(self, dbName, collectionName, data):
+        """插入数据到数据库（这里的data可以是CtaTickData或者CtaBarData）"""
+        self.mainEngine.dbInsert(dbName, collectionName, data.__dict__)
+    
+    #----------------------------------------------------------------------
+    def loadBar(self, dbName, collectionName, startDate):
+        """从数据库中读取Bar数据，startDate是datetime对象"""
+        d = {'datetime':{'$gte':startDate}}
+        cursor = self.mainEngine.dbQuery(dbName, collectionName, d)
+        
+        l = []
+        for d in cursor:
+            bar = CtaBarData()
+            bar.__dict__ = d
+            l.append(bar)
+            
+        return l
+    
+    #----------------------------------------------------------------------
+    def loadTick(self, dbName, collectionName, startDate):
+        """从数据库中读取Tick数据，startDate是datetime对象"""
+        d = {'datetime':{'$gte':startDate}}
+        cursor = self.mainEngine.dbQuery(dbName, collectionName, d)
+        
+        l = []
+        for d in cursor:
+            tick = CtaTickData()
+            tick.__dict__ = d
+            l.append(tick)
+        
+        return l    
+    
+    #----------------------------------------------------------------------
+    def getToday(self):
+        """获取代表今日的datetime对象"""
+        today = datetime.today()
+        today = today.replace(hour=0, minute=0, second=0, microsecond=0)
+        return today
+    
+    #----------------------------------------------------------------------
+    def writeCtaLog(self, content):
+        """快速发出CTA模块日志事件"""
+        log = VtLogData()
+        log.logContent = content
+        event = Event(type_=EVENT_CTA_LOG)
+        event.dict_['data'] = log
+        self.eventEngine.put(event)   
+    
+    #----------------------------------------------------------------------
+    def initStrategy(self, name, strategyClass, paramDict=None):
+        """初始化策略"""
+        # 防止策略重名
+        if name not in self.strategyDict:
+            self.strategyDict[name] = strategyClass(self, paramDict)  # 创建策略对象
+        else:
+            self.writeCtaLog(u'存在策略对象重名：' + name)
+
+    #---------------------------------------------------------------------
+    def startStrategy(self, name):
+        """启动策略"""
+        if name in self.strategyDict:
+            strategy = self.strategyDict[name]
+            
+            if not strategy.trading:
+                strategy.trading = True
+                strategy.start()
+        else:
+            self.writeCtaLog(u'策略对象不存在：' + name)
+    
+    #----------------------------------------------------------------------
+    def stopStrategy(self, name):
+        """停止策略"""
+        if name in self.strategyDict:
+            strategy = self.strategyDict[name]
+            
+            if strategy.trading:
+                strategy.trading = False
+                strategy.stop()
+                
+                # 对该策略发出的所有限价单进行撤单
+                for vtOrderID, s in self.orderStrategyDict.items():
+                    if s is strategy:
+                        self.cancelOrder(vtOrderID)
+                
+                # 对该策略发出的所有本地停止单撤单
+                for stopOrderID, so in self.workingStopOrderDict.items():
+                    if so.strategy is strategy:
+                        self.cancelStopOrder(stopOrderID)   
+        else:
+            self.writeCtaLog(u'策略对象不存在：' + name)        
+    
+    #----------------------------------------------------------------------
+    def saveStrategySetting(self):
+        """保存引擎中的策略配置"""
+        with open(self.settingFileName, 'w') as f:
+            d = {}
+            
+            for name, strategy in self.strategyDict.items():
+                setting = {}
+                setting['strategyClassName'] = strategy.strategyClassName
+                for param in strategy.paramList:
+                    setting[param] = strategy.__getattribute__(param)
+                d[name] = setting
+            
+            jsonD = json.dumps(d, indent=4)
+            f.write(jsonD)
+    
+    #----------------------------------------------------------------------
+    def loadStrategySetting(self):
+        """读取引擎中的策略配置"""
+        with open(self.settingFileName) as f:
+            d = json.load(f)
+            
+            for name, setting in d.items():
+                strategyClassName = setting['strategyClassName']
+                
+                if strategyClassName in strategyClassDict:
+                    strategyClass = strategyClassDict[strategyClassName]
+                    self.initStrategy(name, strategyClass, setting)
+                else:
+                    self.writeCtaLog(u'无法找到策略类：' + strategyClassName)
+                    break
+    
+    #----------------------------------------------------------------------
+    def getStrategyVarialbe(self, name):
+        """获取策略当前的变量字典"""
+        if name in self.strategyDict:
+            strategy = self.strategyDict[name]
+            d = strategy.__dict__
+            varDict = OrderedDict()
+            
+            for key in strategy.varList:
+                if key in d:
+                    varDict[key] = d[key]
+            
+            return varDict
+        else:
+            self.writeCtaLog(u'策略对象不存在：' + name)    
+            return None
+    
+    #----------------------------------------------------------------------
+    def getStrategyParameter(self, name):
+        """获取策略的参数字典"""
+        if name in self.strategyDict:
+            strategy = self.strategyDict[name]
+            d = strategy.__dict__
+            varDict = OrderedDict()
+            
+            for key in strategy.paramList:
+                if key in d:
+                    varDict[key] = d[key]
+            
+            return varDict
+        else:
+            self.writeCtaLog(u'策略对象不存在：' + name)    
+            return None        
+
+

vn.trader/ctaStrategies.py

@@ -0,0 +1,7 @@
+# encoding: UTF-8
+
+'''
+在本文件中引入所有希望在系统中使用的策略类
+'''
+
+strategyClassDict = {}

vn.trader/ctaStrategyTemplate.py

@@ -0,0 +1,164 @@
+# encoding: UTF-8
+
+from ctaConstant import *
+
+
+########################################################################
+class CtaStrategyTemplate(object):
+    """CTA策略模板"""
+    # 策略类的名称
+    strategyClassName = 'Template'
+    
+    # 参数列表，保存了参数的名称
+    paramList = ['vtSymbol']
+    
+    # 变量列表，保存了变量的名称
+    varList = []
+
+    #----------------------------------------------------------------------
+    def __init__(self, ctaEngine, setting=None):
+        """Constructor"""
+        self.ctaEngine = ctaEngine
+        
+        self.vtSymbol = EMPTY_STRING        # 交易的合约vt系统代码
+        
+        self.tickDbName = EMPTY_STRING      # tick数据库名称
+        self.barDbName = EMPTY_STRING       # bar数据库名称
+        
+        self.trading = False                # 控制是否启动交易
+        
+        self.init()                         # 初始化策略
+        
+        if setting:
+            self.setParam(setting)
+    
+    #----------------------------------------------------------------------
+    def init(self):
+        """初始化策略（必须由用户继承实现）"""
+        raise NotImplementedError
+    
+    #----------------------------------------------------------------------
+    def start(self):
+        """启动策略（必须由用户继承实现）"""
+        raise NotImplementedError
+    
+    #----------------------------------------------------------------------
+    def stop(self):
+        """停止策略（必须由用户继承实现）"""
+        raise NotImplementedError
+        
+    #----------------------------------------------------------------------
+    def onTick(self, tick):
+        """收到行情TICK推送（必须由用户继承实现）"""
+        raise NotImplementedError
+        
+    #----------------------------------------------------------------------
+    def onOrder(self, order):
+        """收到委托变化推送（必须由用户继承实现）"""
+        raise NotImplementedError
+    
+    #----------------------------------------------------------------------
+    def onTrade(self, trade):
+        """收到成交推送（必须由用户继承实现）"""
+        raise NotImplementedError
+    
+    #----------------------------------------------------------------------
+    def onBar(self, bar):
+        """收到Bar推送（必须由用户继承实现）"""
+        raise NotImplementedError
+    
+    #----------------------------------------------------------------------
+    def buy(self, price, volume, stop=False):
+        """买开"""
+        # 如果stop为True，则意味着发本地停止单
+        if self.trading:
+            if stop:
+                orderID = self.ctaEngine.sendStopOrder(self.vtSymbol, CTAORDER_BUY, price, volume, self)
+            else:
+                orderID = self.ctaEngine.sendOrder(self.vtSymbol, CTAORDER_BUY, price, volume, self)
+            return orderID
+        else:
+            return None
+    
+    #----------------------------------------------------------------------
+    def sell(self, price, volume, stop=False):
+        """卖平"""
+        # 如果stop为True，则意味着发本地停止单
+        if self.trading:
+            if stop:
+                orderID = self.ctaEngine.sendStopOrder(self.vtSymbol, CTAORDER_SELL, price, volume, self)
+            else:
+                orderID = self.ctaEngine.sendOrder(self.vtSymbol, CTAORDER_SELL, price, volume, self)  
+            return orderID
+        else:
+            return None            
+
+    #----------------------------------------------------------------------
+    def short(self, price, volume, stop=False):
+        """卖开"""
+        # 如果stop为True，则意味着发本地停止单
+        if self.trading:
+            if stop:
+                orderID = self.ctaEngine.sendStopOrder(self.vtSymbol, CTAORDER_SHORT, price, volume, self)
+            else:
+                orderID = self.ctaEngine.sendOrder(self.vtSymbol, CTAORDER_SHORT, price, volume, self)   
+            return orderID
+        else:
+            return None            
+ 
+    #----------------------------------------------------------------------
+    def cover(self, price, volume, stop=False):
+        """买平"""
+        if self.trading:
+            # 如果stop为True，则意味着发本地停止单
+            if stop:
+                orderID = self.ctaEngine.sendStopOrder(self.vtSymbol, CTAORDER_COVER, price, volume, self)
+            else:
+                orderID = self.ctaEngine.sendOrder(self.vtSymbol, CTAORDER_COVER, price, volume, self) 
+            return orderID
+        else:
+            return None        
+        
+    #----------------------------------------------------------------------
+    def cancelOrder(self, orderID):
+        """撤单"""
+        if STOPORDERPREFIX in orderID:
+            self.ctaEngine.cancelStopOrder(orderID)
+        else:
+            self.ctaEngine.cancelOrder(orderID)
+    
+    #----------------------------------------------------------------------
+    def insertTick(self, tick):
+        """向数据库中插入tick数据"""
+        self.ctaEngine.insertData(self.tickDbName, self.vtSymbol, tick)
+    
+    #----------------------------------------------------------------------
+    def insertBar(self, bar):
+        """向数据库中插入bar数据"""
+        self.ctaEngine.insertData(self.barDbName, self.vtSymbol, bar)
+        
+    #----------------------------------------------------------------------
+    def loadTick(self, startDate):
+        """读取tick数据"""
+        return self.ctaEngine.loadTick(self.tickDbName, self.vtSymbol, startDate)
+    
+    #----------------------------------------------------------------------
+    def loadBar(self, startDate):
+        """读取bar数据"""
+        return self.ctaEngine.loadBar(self.barDbName, self.vtSymbol, startDate)
+    
+    #----------------------------------------------------------------------    
+    def setParam(self, setting):
+        """设置参数"""
+        d = self.__dict__
+        for key in self.paramList:
+            if key in setting:
+                d[key] = paramDict[key]
+                
+    #----------------------------------------------------------------------
+    def getToday(self):
+        """查询当前日期"""
+        return self.ctaEngine.getToday()
+    
+    
+    

vn.trader/uiCtaWidget.py

@@ -0,0 +1,4 @@
+# encoding: UTF-8
+
+'''CTA模块相关的GUI控制组件'''
+

vn.trader/uiMainWindow.py

@@ -0,0 +1,276 @@
+# encoding: UTF-8
+
+import psutil
+
+from uiBasicWidget import *
+
+
+########################################################################
+class MainWindow(QtGui.QMainWindow):
+    """主窗口"""
+
+    #----------------------------------------------------------------------
+    def __init__(self, mainEngine, eventEngine, dataEngine):
+        """Constructor"""
+        super(MainWindow, self).__init__()
+        
+        self.mainEngine = mainEngine
+        self.eventEngine = eventEngine
+        self.dataEngine = dataEngine
+        
+        self.initUi()
+        
+    #----------------------------------------------------------------------
+    def initUi(self):
+        """初始化界面"""
+        self.setWindowTitle('VnTrader')
+        self.initCentral()
+        self.initMenu()
+        self.initStatusBar()
+        
+    #----------------------------------------------------------------------
+    def initCentral(self):
+        """初始化中心区域"""
+        marketM = MarketMonitor(self.eventEngine)
+        logM = LogMonitor(self.eventEngine)
+        errorM = ErrorMonitor(self.eventEngine)
+        tradeM = TradeMonitor(self.eventEngine)
+        orderM = OrderMonitor(self.eventEngine, self.mainEngine)
+        positionM = PositionMonitor(self.eventEngine)
+        accountM = AccountMonitor(self.eventEngine)
+        
+        tradingW = TradingWidget(self.mainEngine, self.mainEngine.eventEngine, self.mainEngine.dataEngine)
+        
+        leftTab = QtGui.QTabWidget()
+        leftTab.addTab(logM, u'日志')
+        leftTab.addTab(errorM, u'错误')
+        leftTab.addTab(accountM, u'账户')
+        
+        rightTab = QtGui.QTabWidget()
+        rightTab.addTab(tradeM, u'成交')
+        rightTab.addTab(orderM, u'委托')
+        rightTab.addTab(positionM, u'持仓')
+    
+        hbox = QtGui.QHBoxLayout()
+        hbox.addWidget(tradingW)
+        hbox.addWidget(marketM)
+        
+        grid = QtGui.QGridLayout()
+        grid.addLayout(hbox, 0, 0, 1, 2)
+        grid.addWidget(leftTab, 1, 0)
+        grid.addWidget(rightTab, 1, 1)
+        
+        central = QtGui.QWidget()
+        central.setLayout(grid)
+        self.setCentralWidget(central)
+        
+    #----------------------------------------------------------------------
+    def initMenu(self):
+        """初始化菜单"""
+        # 创建操作
+        connectCtpAction = QtGui.QAction(u'连接CTP', self)
+        connectCtpAction.triggered.connect(self.connectCtp)
+        
+        connectLtsAction = QtGui.QAction(u'连接LTS', self)
+        connectLtsAction.triggered.connect(self.connectLts)
+        
+        connectWindAction = QtGui.QAction(u'连接Wind', self)
+        connectWindAction.triggered.connect(self.connectWind)
+        
+        testAction = QtGui.QAction(u'测试', self)
+        testAction.triggered.connect(self.testSubscribe)
+        
+        exitAction = QtGui.QAction(u'退出', self)
+        exitAction.triggered.connect(self.close)
+        
+        aboutAction = QtGui.QAction(u'关于', self)
+        aboutAction.triggered.connect(self.openAbout)
+        
+        contractAction = QtGui.QAction(u'查询合约', self)
+        contractAction.triggered.connect(self.openContract)
+        
+        # 创建菜单
+        menubar = self.menuBar()
+        
+        sysMenu = menubar.addMenu(u'系统')
+        sysMenu.addAction(connectCtpAction)
+        sysMenu.addAction(connectLtsAction)
+        sysMenu.addAction(connectWindAction)
+        sysMenu.addAction(testAction)
+        sysMenu.addAction(exitAction)
+        
+        functionMenu = menubar.addMenu(u'功能')
+        functionMenu.addAction(contractAction)
+        
+        helpMenu = menubar.addMenu(u'帮助')
+        helpMenu.addAction(aboutAction)
+    
+    #----------------------------------------------------------------------
+    def initStatusBar(self):
+        """初始化状态栏"""
+        self.statusLabel = QtGui.QLabel()
+        self.statusLabel.setAlignment(QtCore.Qt.AlignLeft)
+        
+        self.statusBar().addPermanentWidget(self.statusLabel)
+        self.statusLabel.setText(self.getCpuMemory())
+        
+        self.sbCount = 0
+        self.sbTrigger = 10     # 10秒刷新一次
+        self.eventEngine.register(EVENT_TIMER, self.updateStatusBar)
+        
+    #----------------------------------------------------------------------
+    def updateStatusBar(self, event):
+        """在状态栏更新CPU和内存信息"""
+        self.sbCount += 1
+        
+        if self.sbCount == self.sbTrigger:
+            self.sbCount = 0
+            self.statusLabel.setText(self.getCpuMemory())
+    
+    #----------------------------------------------------------------------
+    def getCpuMemory(self):
+        """获取CPU和内存状态信息"""
+        cpuPercent = psutil.cpu_percent()
+        memoryPercent = psutil.virtual_memory().percent
+        return u'CPU使用率：%d%%   内存使用率：%d%%' % (cpuPercent, memoryPercent)        
+        
+    #----------------------------------------------------------------------
+    def connectCtp(self):
+        """连接CTP接口"""
+        self.mainEngine.connect('CTP')
+        
+    #----------------------------------------------------------------------
+    def connectLts(self):
+        """连接LTS接口"""
+        self.mainEngine.connect('LTS')    
+    
+    #----------------------------------------------------------------------
+    def connectWind(self):
+        """连接Wind接口"""
+        self.mainEngine.connect('Wind')
+    
+    #----------------------------------------------------------------------
+    def testSubscribe(self):
+        """测试订阅"""
+        req = VtSubscribeReq()
+        req.symbol = '600000'
+        req.exchange = EXCHANGE_SSE
+        self.mainEngine.subscribe(req, 'Wind')
+        
+        req = VtSubscribeReq()
+        req.symbol = '000062'
+        req.exchange = EXCHANGE_SZSE
+        self.mainEngine.subscribe(req, 'Wind')        
+        
+        req = VtSubscribeReq()
+        req.symbol = 'IF1511'
+        req.exchange = EXCHANGE_CFFEX
+        self.mainEngine.subscribe(req, 'Wind')
+        
+        req = VtSubscribeReq()
+        req.symbol = 'CU1601'
+        req.exchange = EXCHANGE_SHFE
+        self.mainEngine.subscribe(req, 'Wind')
+        
+        req = VtSubscribeReq()
+        req.symbol = 'C1601'
+        req.exchange = EXCHANGE_DCE
+        self.mainEngine.subscribe(req, 'Wind')       
+        
+        req = VtSubscribeReq()
+        req.symbol = 'SR1601'
+        req.exchange = EXCHANGE_CZCE
+        self.mainEngine.subscribe(req, 'Wind')             
+        
+    #----------------------------------------------------------------------
+    def openAbout(self):
+        """打开关于"""
+        try:
+            self.aboutW.show()
+        except AttributeError:
+            self.aboutW = AboutWidget(self)
+            self.aboutW.show()
+    
+    #----------------------------------------------------------------------
+    def openContract(self):
+        """打开合约查询"""
+        try:
+            self.contractM.show()
+        except AttributeError:
+            self.contractM = ContractMonitor(self.mainEngine.dataEngine)
+            self.contractM.show()
+    
+    #----------------------------------------------------------------------
+    def closeEvent(self, event):
+        """关闭事件"""
+        reply = QtGui.QMessageBox.question(self, u'退出',
+                                           u'确认退出?', QtGui.QMessageBox.Yes | 
+                                           QtGui.QMessageBox.No, QtGui.QMessageBox.No)
+
+        if reply == QtGui.QMessageBox.Yes:        
+            self.mainEngine.exit()
+            event.accept()
+        else:
+            event.ignore()
+
+
+########################################################################
+class AboutWidget(QtGui.QDialog):
+    """显示关于信息"""
+
+    #----------------------------------------------------------------------
+    def __init__(self, parent=None):
+        """Constructor"""
+        super(AboutWidget, self).__init__(parent)
+
+        self.initUi()
+
+    #----------------------------------------------------------------------
+    def initUi(self):
+        """"""
+        self.setWindowTitle(u'关于')
+
+        text = u"""
+            VnTrader
+
+            更新日期：2015/9/29
+
+            作者：用Python的交易员
+
+            License：MIT
+
+            主页：vnpy.org
+
+            Github：github.com/vnpy/vnpy
+
+            QQ交流群：262656087
+
+
+
+
+            开发环境
+
+            操作系统：Windows 7 专业版 64位
+
+            Python发行版：Python 2.7.6 (Anaconda 1.9.2 Win-32)
+
+            CTP：vn.ctp  2015/6/1版
+
+            图形库：PyQt4 4.11.3 Py2.7-x32
+
+            事件驱动引擎：vn.event
+
+            开发环境：WingIDE 5.0.6
+            
+            
+            """
+
+        label = QtGui.QLabel()
+        label.setText(text)
+        label.setMinimumWidth(500)
+
+        vbox = QtGui.QVBoxLayout()
+        vbox.addWidget(label)
+
+        self.setLayout(vbox)
+    

vn.trader/vtConstant.py

@@ -0,0 +1,57 @@
+# encoding: UTF-8
+
+# 默认空值
+EMPTY_STRING = ''
+EMPTY_UNICODE = u''
+EMPTY_INT = 0
+EMPTY_FLOAT = 0.0
+
+# 方向常量
+DIRECTION_NONE = u'无方向'
+DIRECTION_LONG = u'多'
+DIRECTION_SHORT = u'空'
+DIRECTION_UNKNOWN = u'未知'
+DIRECTION_NET = u'净'
+
+# 开平常量
+OFFSET_NONE = u'无开平'
+OFFSET_OPEN = u'开仓'
+OFFSET_CLOSE = u'平仓'
+OFFSET_CLOSETODAY = u'平今'
+OFFSET_CLOSESYESTERDAY = u'平昨'
+OFFSET_UNKNOWN = u'未知'
+
+# 状态常量
+STATUS_NOTTRADED = u'未成交'
+STATUS_PARTTRADED = u'部分成交'
+STATUS_ALLTRADED = u'全部成交'
+STATUS_CANCELLED = u'已撤销'
+STATUS_UNKNOWN = u'未知'
+
+# 合约类型常量
+PRODUCT_EQUITY = u'股票'
+PRODUCT_FUTURES = u'期货'
+PRODUCT_OPTION = u'期权'
+PRODUCT_INDEX = u'指数'
+PRODUCT_COMBINATION = u'组合'
+PRODUCT_UNKNOWN = u'未知'
+
+# 价格类型常量
+PRICETYPE_LIMITPRICE = u'限价'
+PRICETYPE_MARKETPRICE = u'市价'
+PRICETYPE_FAK = u'FAK'
+PRICETYPE_FOK = u'FOK'
+
+# 期权类型
+OPTION_CALL = u'看涨期权'
+OPTION_PUT = u'看跌期权'
+
+# 交易所类型
+EXCHANGE_SSE = u'SSE'       # 上交所
+EXCHANGE_SZSE = u'SZSE'     # 深交所
+EXCHANGE_CFFEX = u'CFFEX'   # 中金所
+EXCHANGE_SHFE = u'SHFE'     # 上期所
+EXCHANGE_CZCE = u'CZCE'     # 郑商所
+EXCHANGE_DCE = u'DCE'       # 大商所
+EXCHANGE_UNKNOWN = 'UNKNOWN'# 未知交易所
+EXCHANGE_NONE = ''          # 空交易所

vn.trader/vtFunction.py

@@ -0,0 +1,26 @@
+# encoding: UTF-8
+
+"""
+包含一些开放中常用的函数
+"""
+
+import decimal
+
+MAX_NUMBER = 1000000000
+MAX_DECIMAL = 4
+
+#----------------------------------------------------------------------
+def safeUnicode(value):
+    """检查接口数据潜在的错误，保证转化为的字符串正确"""
+    # 检查是数字接近0时会出现的浮点数上限
+    if type(value) is int or type(value) is float:
+        if value > MAX_NUMBER:
+            value = 0
+    
+    # 检查防止小数点位过多
+    if type(value) is float:
+        d = decimal.Decimal(str(value))
+        if abs(d.as_tuple().exponent) > MAX_DECIMAL:
+            value = round(value, ndigits=MAX_DECIMAL)
+    
+    return unicode(value)

vn.trader/vtMain.py

@@ -0,0 +1,26 @@
+# encoding: UTF-8
+
+import sys
+import ctypes
+
+from vtEngine import MainEngine
+from uiMainWindow import *
+
+#----------------------------------------------------------------------
+def main():
+    """主程序入口"""
+    # 设置底部任务栏图标，win7以下请注释掉
+    ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID('vn.py demo')  
+    
+    app = QtGui.QApplication(sys.argv)
+    app.setWindowIcon(QtGui.QIcon('vnpy.ico'))
+    app.setFont(BASIC_FONT)
+    
+    mainEngine = MainEngine()
+    mainWindow = MainWindow(mainEngine, mainEngine.eventEngine, mainEngine.dataEngine)
+    mainWindow.showMaximized()
+    
+    sys.exit(app.exec_())
+    
+if __name__ == '__main__':
+    main()

vn.trader/windGateway.py

@@ -0,0 +1,183 @@
+# encoding: UTF-8
+
+'''
+Wind Python API的gateway接入
+'''
+from threading import Thread
+
+try:
+    from WindPy import w
+except ImportError:
+    print u'请先安装WindPy接口'
+
+from vtGateway import *
+
+# 交易所类型映射
+exchangeMap = {}
+exchangeMap[EXCHANGE_SSE] = 'SH'
+exchangeMap[EXCHANGE_SZSE] = 'SZ'
+exchangeMap[EXCHANGE_CFFEX] = 'CFE'
+exchangeMap[EXCHANGE_SHFE] = 'SHF'
+exchangeMap[EXCHANGE_DCE] = 'DCE'
+exchangeMap[EXCHANGE_CZCE] = 'CZC'
+exchangeMap[EXCHANGE_UNKNOWN] = ''
+exchangeMapReverse = {v:k for k,v in exchangeMap.items()}
+
+
+########################################################################
+class WindGateway(VtGateway):
+    """Wind接口"""
+    # 订阅wsq时传入的字段列表
+    wsqParamMap = {}
+    wsqParamMap['rt_last'] = 'lastPrice'
+    wsqParamMap['rt_last_vol'] = 'volume'
+    wsqParamMap['rt_oi'] = 'openInterest'
+
+    wsqParamMap['rt_open'] = 'openPrice'
+    wsqParamMap['rt_high'] = 'highPrice'
+    wsqParamMap['rt_low'] = 'lowPrice'
+    wsqParamMap['rt_pre_close'] = 'preClosePrice'
+                    
+    wsqParamMap['rt_high_limit'] = 'upperLimit'
+    wsqParamMap['rt_low_limit'] = 'lowerLimit'
+
+    wsqParamMap['rt_bid1'] = 'bidPrice1'
+    wsqParamMap['rt_bid2'] = 'bidPrice2'
+    wsqParamMap['rt_bid3'] = 'bidPrice3'
+    wsqParamMap['rt_bid4'] = 'bidPrice4'
+    wsqParamMap['rt_bid5'] = 'bidPrice5'
+                    
+    wsqParamMap['rt_ask1'] = 'askPrice1'
+    wsqParamMap['rt_ask2'] = 'askPrice2'
+    wsqParamMap['rt_ask3'] = 'askPrice3'
+    wsqParamMap['rt_ask4'] = 'askPrice4'
+    wsqParamMap['rt_ask5'] = 'askPrice5'     
+                    
+    wsqParamMap['rt_bsize1'] = 'bidVolume1'
+    wsqParamMap['rt_bsize2'] = 'bidVolume2'
+    wsqParamMap['rt_bsize3'] = 'bidVolume3'
+    wsqParamMap['rt_bsize4'] = 'bidVolume4'
+    wsqParamMap['rt_bsize5'] = 'bidVolume5'
+                    
+    wsqParamMap['rt_asize1'] = 'askVolume1'
+    wsqParamMap['rt_asize2'] = 'askVolume2'
+    wsqParamMap['rt_asize3'] = 'askVolume3'
+    wsqParamMap['rt_asize4'] = 'askVolume4'
+    wsqParamMap['rt_asize5'] = 'askVolume5'
+    
+    wsqParam = ','.join(wsqParamMap.keys())
+
+    #----------------------------------------------------------------------
+    def __init__(self, eventEngine, gatewayName='Wind'):
+        """Constructor"""
+        super(WindGateway, self).__init__(eventEngine, gatewayName)
+        
+        self.w = w                  # Wind API对象
+        self.connected = False      # 连接状态
+        
+        # Wind的wsq更新采用的是增量更新模式，每次推送只会更新发生变化的字段
+        # 而vt中的tick是完整更新，因此需要本地维护一个所有字段的快照
+        self.tickDict = {}
+        
+        self.registerEvent()
+        
+    #----------------------------------------------------------------------
+    def connect(self):
+        """连接"""
+        # 由于w.start方法会阻塞较长时间
+        # 因此设计为异步模式，交给事件处理线程去处理
+        # 另外w.start和WingIDE的debug模块有冲突，会导致异常退出
+        event = Event(type_=EVENT_WIND_CONNECTREQ)
+        self.eventEngine.put(event)
+        
+    #----------------------------------------------------------------------
+    def subscribe(self, subscribeReq):
+        """订阅行情"""
+        windSymbol = '.'.join([subscribeReq.symbol, exchangeMap[subscribeReq.exchange]])
+        data = self.w.wsq(windSymbol, self.wsqParam, func=self.wsqCallBack)
+    
+    #----------------------------------------------------------------------
+    def sendOrder(self, orderReq):
+        """发单"""
+        log = VtLogData()
+        log.gatewayName = self.gatewayName        
+        log.logContent = u'Wind接口未实现发单功能'
+        self.onLog(log) 
+    
+    #----------------------------------------------------------------------
+    def cancelOrder(self, cancelOrderReq):
+        """撤单"""
+        log = VtLogData()
+        log.gatewayName = self.gatewayName        
+        log.logContent = u'Wind接口未实现撤单功能'
+        self.onLog(log) 
+    
+    #----------------------------------------------------------------------
+    def getAccount(self):
+        """查询账户资金"""
+        log = VtLogData()
+        log.gatewayName = self.gatewayName        
+        log.logContent = u'Wind接口未实现查询账户功能'
+        self.onLog(log) 
+    
+    #----------------------------------------------------------------------
+    def getPosition(self):
+        """查询持仓"""
+        log = VtLogData()
+        log.gatewayName = self.gatewayName        
+        log.logContent = u'Wind接口未实现查询持仓功能'
+        self.onLog(log) 
+    
+    #----------------------------------------------------------------------
+    def close(self):
+        self.w.stop()
+     
+    #----------------------------------------------------------------------
+    def registerEvent(self):
+        """注册事件监听"""
+        self.eventEngine.register(EVENT_WIND_CONNECTREQ, self.wConnect)
+        
+    #----------------------------------------------------------------------
+    def wsqCallBack(self, data):
+        """收到wsq推送"""
+        windSymbol = data.Codes[0]
+        if windSymbol in self.tickDict:
+            tick = self.tickDict[windSymbol]
+        else:
+            tick = VtTickData()
+            tick.gatewayName = self.gatewayName
+            symbolSplit = windSymbol.split('.')
+            tick.symbol = symbolSplit[0]
+            tick.exchange = exchangeMapReverse[symbolSplit[1]]  
+            tick.vtSymbol = '.'.join([tick.symbol, tick.exchange])
+            self.tickDict[windSymbol] = tick
+
+        dt = data.Times[0]
+        tick.time = dt.strftime('%H:%M:%S')
+        tick.date = dt.strftime('%Y%m%d')
+        
+        # 采用遍历的形式读取数值
+        fields = data.Fields
+        values = data.Data
+        d = tick.__dict__
+        for n, field in enumerate(fields):
+            field = field.lower()
+            key = self.wsqParamMap[field]
+            value = values[n][0]
+            d[key] = value
+        
+        self.onTick(tick)
+    
+    #----------------------------------------------------------------------
+    def wConnect(self, event):
+        """利用事件处理线程去异步连接Wind接口"""
+        result = self.w.start()
+        
+        log = VtLogData()
+        log.gatewayName = self.gatewayName        
+        
+        if not result.ErrorCode:
+            log.logContent = u'Wind接口连接成功'
+        else:
+            log.logContent = u'Wind接口连接失败，错误代码%d' %result.ErrorCode
+        self.onLog(log)