Ava Trader MT4 Terminal 程序化交易（2）获取品种交易数据

爱被打了一巴掌 2022-11-12 09:42 96阅读 0赞

# Ava Trader MT4 Terminal 程序化交易（2）获取品种交易数据 #

## [官方文档][Link 1] ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ppZWdlbWVuYQ_size_16_color_FFFFFF_t_70]

Example:
    
    //+------------------------------------------------------------------+
    //| Script program start function                                    |
    //+------------------------------------------------------------------+
    void OnStart()
      {
       Print("Symbol name of the current chart=",_Symbol);
       Print("Timeframe of the current chart=",_Period);
       Print("卖一价 =",Ask);
       Print("买一价=",Bid);   
       Print("Number of decimal places=",Digits);
       Print("Number of decimal places=",_Digits);
       Print("Size of the current symbol point in the quote currency=",_Point);
       Print("Size of the current symbol point in the quote currency=",Point);   
       Print("Number of bars in the current chart=",Bars);
       Print("当前 K线 开盘价=",Open[0]);
       Print("当前 K线 收盘价=",Close[0]);
       Print("当前 K线 最高价 =",High[0]);
       Print("当前 K线 最低价 =",Low[0]);
       Print("当前K线时间=",Time[0]);
       Print("Tick volume of the current bar of the current chart=",Volume[0]);
       Print("Last error code=",_LastError);
       Print("Random seed=",_RandomSeed);
       Print("Stop flag=",_StopFlag);
       Print("Uninitialization reason code=",_UninitReason);   
      }

## 测试 ##

*  新建 ea

//+------------------------------------------------------------------+
    //|                                                           11.mq4 |
    //|                        Copyright 2021, MetaQuotes Software Corp. |
    //|                                             https://www.mql5.com |
    //+------------------------------------------------------------------+
    #property copyright "Copyright 2021, MetaQuotes Software Corp."
    #property link      "https://www.mql5.com"
    #property version   "1.00"
    #property strict
    //+------------------------------------------------------------------+
    //| Expert initialization function                                   |
    //+------------------------------------------------------------------+
    
    
    
    int OnInit()
      {
    //---
       MessageBox("Hello, World!","hi");
    //---
       return(INIT_SUCCEEDED);
      }
    //+------------------------------------------------------------------+
    //| Expert deinitialization function                                 |
    //+------------------------------------------------------------------+
    void OnDeinit(const int reason)
      {
    //---
       
      }
    //+------------------------------------------------------------------+
    //| Expert tick function                                             |
    //+------------------------------------------------------------------+
    void OnTick()
      {
    //---
    
     
       Print("Symbol name of the current chart=",_Symbol);
       Print("Timeframe of the current chart=",_Period);
       Print("卖一价 =",Ask);
       Print("买一价=",Bid);   
       Print("Number of decimal places=",Digits);
       Print("Number of decimal places=",_Digits);
       Print("Size of the current symbol point in the quote currency=",_Point);
       Print("Size of the current symbol point in the quote currency=",Point);   
       Print("Number of bars in the current chart=",Bars);
       Print("当前 K线 开盘价=",Open[0]);
       Print("当前 K线 收盘价=",Close[0]);
       Print("当前 K线 最高价 =",High[0]);
       Print("当前 K线 最低价 =",Low[0]);
       Print("当前K线时间=",Time[0]);
       Print("Tick volume of the current bar of the current chart=",Volume[0]);
       Print("Last error code=",_LastError);
       Print("Random seed=",_RandomSeed);
       Print("Stop flag=",_StopFlag);
       Print("Uninitialization reason code=",_UninitReason);   
     }
    //+------------------------------------------------------------------+

*  运行  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ppZWdlbWVuYQ_size_16_color_FFFFFF_t_70 1]
 *  点击确定  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ppZWdlbWVuYQ_size_16_color_FFFFFF_t_70 2]

[Link 1]: https://docs.mql4.com/cn/predefined
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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ppZWdlbWVuYQ_size_16_color_FFFFFF_t_70 1]: /images/20221022/c882b874d4fd432ba28d10fec26020b2.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ppZWdlbWVuYQ_size_16_color_FFFFFF_t_70 2]: /images/20221022/8854e365211144eca5e6ea7ec5345401.png