# MQL4 ZMQ设置

By [linhaidu.eth](https://paragraph.com/@linhaidu-eth) · 2023-11-18

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mql4的zmq使用下面这个github

[https://github.com/dingmaotu/mql-zmq](https://github.com/dingmaotu/mql-zmq)

将include下面的内容拷贝到mt4的include目录

将library下面的内容拷贝到mt4的library目录

然后再mt4里面还要设置一下允许DLL导入，工具→选项void OnStart()

![](https://storage.googleapis.com/papyrus_images/d95d6e7187aa25adf77385ce2cb34502825cef23eb55969f3c9afb68eb50f594.png)

{

      
       Context context;
       Socket publisher(context,ZMQ_PUB);
       publisher.bind("tcp://*:5558");
       Sleep(2000);
    //---
       for (int i=0;i<100;i++)
       {
       Print("i=",i);
       double a = Ask;
       double b = Bid;
       double c = MarketInfo(PAIR,MODE_ASK);
       double d = MarketInfo(PAIR,MODE_BID);
       Print(PAIR," 卖一价=",c);
       Print(PAIR," 买一价=",d);
       //Print(StringFormat("%s 卖一价= %d",PAIR,c));
       ZmqMsg message(StringFormat("%f,%f",c,d));
       //ZmqMsg message(DoubleToStr(c));
       publisher.send(message);
       Sleep(500);
       }
       
       publisher.unbind("tcp://*:5558");
       
     }
    

Python设置

安装pyzmq

    def print_hi():
        host = "127.0.0.1"
        port = "5555"
    
        context = zmq.Context()
    
        #  Socket to talk to server
        print("Connecting to hello world server…")
        socket = context.socket(zmq.SUB)
        socket.setsockopt(zmq.LINGER, 0)
        socket.setsockopt(zmq.IMMEDIATE, 1)
        socket.connect("tcp://localhost:5558")
        # Subscribes to all topics
        socket.subscribe("")
        try:
            while True:
                #receives a string format message
                data = socket.recv_string()
                y = data.split(",")
                c = float(y[0])
                d = float(y[1])
                print(c, d, c-d)
        except :
            print("EXC'd")
        finally:
            socket.unbind("tcp://localhost:5558")
            socket.close()
            context.term()
    

一定要注意：先确认端口是否被其他进程占用

netstat -na

如果强制退出mql4程序，会导致端口无法正常释放。此时需要关闭mt4，或者杀掉进程。

先查找进程：

netstat -nao|findstr 5558

查到进程号，然后kill掉

taskkill /t /f /im xxxx

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*Originally published on [linhaidu.eth](https://paragraph.com/@linhaidu-eth/mql4-zmq)*