基于Qt开发获取CTP量化交易接口测试数据工具

void TestSdkWidget::initControl()
{
    // 初始化sdk管理类
    {
        // 线程初始化
        _pStockSdkManager = StockSdkManager::getInstance();
        _pStockSdkManagerThread = new QThread();
        _pStockSdkManager->moveToThread(_pStockSdkManagerThread);
        connect(_pStockSdkManagerThread, SIGNAL(started()),
                _pStockSdkManager, SLOT(slot_start()));
        // 关联
        connect(_pStockSdkManager, SIGNAL(signal_stateLog(QString)),
                this, SLOT(slot_stateLog(QString)));
        // 开始
        _pStockSdkManagerThread->start();
    }

    // 按钮使能
    ui->pushButton_start->setEnabled(true);
    ui->pushButton_stop->setEnabled(false);
}

#ifndef STOCKSDKMANAGER_H
#define STOCKSDKMANAGER_H

#include <QObject>
#include <QMutex>

#include "MdSpi.h"

class StockSdkManager : public QObject
{
    Q_OBJECT
private:
    explicit StockSdkManager(QObject *parent = 0);

public:
    static StockSdkManager * getInstance();         // 单例获取指针

signals:
    void signal_stateLog(QString logStr);           // 日志抛出

public slots:
    void slot_start();                              // 线程开启
    void slot_stop();                               // 线程关闭

public slots:
    void slot_startGetInfo();                       // 注册抓取数据（注册合约ID）
    void slot_stopGetInfo();                        // 注销注册停止获取

private:
    static StockSdkManager *_pInstance;
    static QMutex _mutex;

private:
    bool _running;

private:
    CThostFtdcMdApi* _pMdapi;                       // 合约api
    MdSpi *_pMdSpi;                                 // 合约处理（重载类）
};


#endif // STOCKSDKMANAGER_H

#ifndef MDSPI_H
#define MDSPI_H

#include <QObject>

#include "ThostFtdcMdApi.h"
#include "ThostFtdcUserApiStruct.h"


class MdSpi : public CThostFtdcMdSpi
{
public:
    MdSpi();
    ~MdSpi();

public:
    CThostFtdcMdApi *getMdapi() const;


public:
    void setMdapi(CThostFtdcMdApi *pMdapi);

public:
    virtual void OnFrontConnected();
    virtual void OnFrontDisconnected(int nReason);
    virtual void OnRspUserLogin(CThostFtdcRspUserLoginField* pRspUserLogin, CThostFtdcRspInfoField* pRspInfo, int nRequestID, bool bIsLast);
    virtual void OnRtnDepthMarketData(CThostFtdcDepthMarketDataField* pDepthMarketData);

private:
    CThostFtdcMdApi* _pMdapi;

private:
    CThostFtdcDepthMarketDataField _preTick;
};


#endif // MDSPI_H