QT-Mysql数据库图形化接口

news2024/11/13 9:24:37

QT += sql

mysqloper.h

qsqlrelationaltablemodelview.h

/*************************************************************************
接口描述：Mysql数据库图形化接口
拟制：
接口版本：V1.0
时间：20230727
说明：支持是否创建界面类QTableView，默认QTableView不允许增删改查功能，支持创建外键表
*************************************************************************/
#ifndef QSQLRELATIONALTABLEMODELVIEW_H
#define QSQLRELATIONALTABLEMODELVIEW_H

#include <qsqlrelationaltablemodel.h>
#include <qsqlrelationaldelegate.h>
#include <QTableView>
#include <QMenu>
#include <QHeaderView>
#include <QMessageBox>
#include "mysqloper.h"//源码在其他博文中
#include <QDateTimeEdit>
#include <QStyledItemDelegate>

class QDateTimeItemDelegate : public QStyledItemDelegate
{
    Q_OBJECT

public:
    explicit QDateTimeItemDelegate(QString qsDataFormat = "yyyy/MM/dd HH:mm:ss", QObject *parent = nullptr)
        : QStyledItemDelegate(parent)
    {
        m_qsDataFormat = qsDataFormat;
    };

private:
    QString m_qsDataFormat;

    // QStyledItemDelegate interface
public:
    virtual QString displayText(const QVariant &value, const QLocale &locale) const override
    {
        if(value.type() == QVariant::DateTime)
        {
            return value.toDateTime().toString(m_qsDataFormat);
        }
        return QStyledItemDelegate::displayText(value, locale);
    };

    virtual QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const override
    {
        const QSqlRelationalTableModel *sqlModel = qobject_cast<const QSqlRelationalTableModel *>(index.model());
        QVariant variant = sqlModel->data(index, Qt::DisplayRole);
        if(variant.type() == QVariant::DateTime)
        {
            QDateTimeEdit* pDateTimeEdit = new QDateTimeEdit(parent);
            pDateTimeEdit->setDateTime(variant.toDateTime());
            pDateTimeEdit->setCalendarPopup(true);
            pDateTimeEdit->setDisplayFormat(m_qsDataFormat);
            return pDateTimeEdit;
        }
        return QStyledItemDelegate::createEditor(parent, option, index);
    };
};

class QSqlRelationalTableModelEx : public QSqlRelationalTableModel
{
    Q_OBJECT

public:
    explicit QSqlRelationalTableModelEx(QObject *parent = nullptr,
                                        QSqlDatabase db = QSqlDatabase()):QSqlRelationalTableModel(parent, db){};

protected:
    QMap<int, QColor> m_relationTextColorMap;
    QList<QColor> m_colTextColor;

public:
    void InsertRelationTextColorMap(int column, QColor color){m_relationTextColorMap.insert(column, color);};
    void AppendcolTextColorList(QColor color){m_colTextColor.append(color);};

    // QAbstractItemModel interface
public:
    virtual QVariant data(const QModelIndex &index, int role) const override
    {
        if(role == Qt::TextAlignmentRole)
        {
            return Qt::AlignCenter;
        }
        else if(role == Qt::TextColorRole)
        {
            if(relation(index.column()).isValid())
            {
                QColor color = m_relationTextColorMap.value(index.column());
                if(color.isValid())
                {
                    return color;
                }
            }
            if(m_colTextColor.size() > index.column())
            {
                QColor color = m_colTextColor.at(index.column());
                if(color.isValid())
                {
                    return color;
                }
            }
        }
        return QSqlRelationalTableModel::data(index, role);
    };
};


class QViewObject : public QObject
{
    Q_OBJECT

public:
    QViewObject(QTableView* pTableView, QSqlRelationalTableModelEx* pSqlRelationalTableModel)
        :m_pTableView(pTableView), m_pSqlRelationalTableModel(pSqlRelationalTableModel)
        ,m_bAdd(false), m_bDel(false), m_bUpdate(false){};

private:
    QMenu m_menu;
    QTableView* m_pTableView;
    QSqlRelationalTableModelEx* m_pSqlRelationalTableModel;
    bool m_bAdd;
    bool m_bDel;
    bool m_bUpdate;
    QList<QAction *> m_ActionList;

public:
    void AddAction(QAction* pAction)
    {
        m_ActionList.append(pAction);
        this->connectViewClick();
    }
    void SetMode(bool bAdd = false, bool bDel=false, bool bUpdate = false)
    {
        m_bAdd = bAdd;
        m_bDel = bDel;
        m_bUpdate = bUpdate;
        if(m_bUpdate)
        {
            m_pTableView->setEditTriggers(QAbstractItemView::DoubleClicked);
        }
        else
        {
            m_pTableView->setEditTriggers(QAbstractItemView::NoEditTriggers);
        }
        this->connectViewClick();
    }
    void connectViewClick()
    {
        m_menu.clear();
        QAction *pActionRefresh= new QAction("刷新", this);
        m_menu.addAction(pActionRefresh);
        connect(pActionRefresh, &QAction::triggered, this, [&] {
            m_pSqlRelationalTableModel->select();
        });
        if(m_bAdd)
        {
            QAction *pActionAdd= new QAction("增加", this);
            m_menu.addAction(pActionAdd);
            connect(pActionAdd, &QAction::triggered, this, [&] {
                int rowCount = m_pSqlRelationalTableModel->rowCount();
                m_pSqlRelationalTableModel->insertRow(rowCount);
                //m_pSqlRelationalTableModel->setData(m_pSqlRelationalTableModel->index(rowCount, 0), "");
                m_pTableView->setEditTriggers(QTableView::DoubleClicked);
                m_pTableView->scrollToBottom();
            });
        }
        if(m_bDel)
        {
            QAction *pActionDel= new QAction("删除", this);
            m_menu.addAction(pActionDel);
            connect(pActionDel, &QAction::triggered, this, [&] {
                if (QMessageBox::warning(m_pTableView, "提示", "确定删除选中行？", QMessageBox::Yes, QMessageBox::No) == QMessageBox::No) {
                    m_pSqlRelationalTableModel->revertAll();
                    return;
                }
                QModelIndexList modelIndexList = m_pTableView->selectionModel()->selectedRows();
                foreach(QModelIndex modelIndex, modelIndexList)
                {
                    m_pSqlRelationalTableModel->removeRow(modelIndex.row());
                }
                m_pSqlRelationalTableModel->submitAll();
            });
        }
        if(m_bUpdate)
        {
            QAction *pActionUpdate= new QAction("保存", this);
            m_menu.addAction(pActionUpdate);
            connect(pActionUpdate, &QAction::triggered, this, [&] {
                m_pSqlRelationalTableModel->submitAll();
            });
        }
        if(m_bAdd || m_bDel || m_bUpdate)
        {
            QAction *pActionRevert= new QAction("撤销", this);
            m_menu.addAction(pActionRevert);
            connect(pActionRevert, &QAction::triggered, this, [&] {
                m_pSqlRelationalTableModel->revertAll();
            });
        }
        m_menu.addSeparator();
        foreach(QAction* pAction, m_ActionList)
        {
            m_menu.addAction(pAction);
        }
        connect(m_pTableView, &QTableView::customContextMenuRequested, this, [&]
        {
            m_menu.move(m_pTableView->cursor().pos());
            m_menu.show();
        });
    };
};

template<typename TEMP>
class QSqlRelationalTableModelView
{

public:
    QSqlRelationalTableModelView(QString qsTableName/*关联的表名*/, bool bCreatView = false/*是否创建界面类QTableView*/);
    ~QSqlRelationalTableModelView();

private:
    QTableView* m_pTableView;
    QViewObject* m_pViewObject;
    QSqlRelationalTableModelEx* m_pSqlRelationalTableModel;
    bool m_bView;//存在View
    QString m_qsTableName;
    MySqlOper* m_pMySqlOper;
    QList<TSerialisation> m_tSerialisationList;
    QList<QString> m_headList;
    QList<QString> m_headListTitle;
    QMap<int, QSqlRelationalTableModelView*> m_relationModelViewMap;
    QString m_qsDateFormat;

private:
    QSqlRelationalTableModelView*  findAndCreatRelationalTableModelView(int column);

protected:
    QList<TSerialisation> getSerialisationList(){return m_tSerialisationList;};
    QList<QString> getHeadList(){return m_headList;};
    QList<QString> getHeadListTitle(){return m_headListTitle;};
    QString getTableName(){return m_qsTableName;};
    QString getDateFormat(){return m_qsDateFormat;};

public:
    QTableView* GetTableView();//获得列表
    void SetRelation(int column/*当前表列号*/,
                     const QString &aTableName/*关联外键的父表名*/,
                     const QString &indexCol/*关联父表的字段名*/,
                     const QString &displayCol/*显示父表的字段名*/,
                     const QColor &colorCol = QColor()/*显示父表颜色,优先级高于显示颜色*/);//设置外键
    bool SQL_Init(QString csUser, QString csPasswd, QString csDB, QString csHost = "127.0.0.1", int nPort = 3306);//数据库初始化
    void SetSerialisationHead(const QString qsHead/*数据库表字段名*/, const QString qsHeadTitle/*列表头标题*/, TSerialisation tSerialisation, const QColor &colorCol = QColor()/*显示颜色*/);//设置序列化表头
    QList<TEMP> SQL_QueryData(QString csSql);//前提SetSerialisationHead必须按照表结构严格输入，否则请使用SQL_QuerySerialisation方法，Sql查询本表数据，返回本表字段必须是本表所有字段且不包含其他表字段
    char* SQL_QuerySerialisation(QString csSql, int& nQuerySize/*结果集个数*/, QList<TSerialisation> tSerialisationList = QList<TSerialisation>());//序列化查询数据库 需删除返回值
    void InitView();//初始化列表，如果不创建界面类QTableView无需调用
    QSqlRelationalTableModelEx* GetModel();//获得外键QSqlRelationalTableModelEx*
    void SetMode(bool bAdd = false, bool bDel=false, bool bUpdate = false);//设置列表的增删改是否可用
    void SetSortingEnabled(bool enable); //启用排序 默认是禁用排序的
    void AddAction(QAction* pAction);//添加自定义右键菜单
    QSqlTableModel *RelationModel(int column);//获得外键表模型
    void SetDateTimeFormat(QString qsDateFormat);//设置时间格式化格式

    /*外键列表函数*/
    QTableView* GetRelationTableView(int column);//获得外键列表
    QSqlRelationalTableModelEx* GetRelationModel(int column);//获得外键QSqlRelationalTableModelEx*
    void SetRelationModelHead(int column, const QString qsHead/*数据库表字段名*/, const QString qsHeadTitle/*列表头标题*/, const QColor &colorCol = QColor()/*显示颜色*/);//设置外键表表头
    void InitRelationView(int column);//初始化外键表列表
    void SetRelationMode(int column, bool bAdd = false, bool bDel=false, bool bUpdate = false);//设置列表的增删改是否可用
    void SetRelationSortingEnabled(int column, bool enable); //启用外键表排序 默认是禁用排序的
    void AddRelationAction(int column, QAction* pAction);//添加外键表自定义右键菜单
};

template <typename TEMP>
QSqlRelationalTableModelView<TEMP>::QSqlRelationalTableModelView(QString qsTableName, bool bCreatView)
    :m_bView(bCreatView), m_qsTableName(qsTableName)
{
    m_pMySqlOper = MySqlOper::GetInstance();
    m_pSqlRelationalTableModel = new QSqlRelationalTableModelEx(nullptr, *m_pMySqlOper->SQL_DataBase());
    if(m_bView)
    {
        m_pTableView = new QTableView;
        m_pViewObject = new QViewObject(m_pTableView, m_pSqlRelationalTableModel);
        m_pViewObject->connectViewClick();
    }
    m_qsDateFormat = "yyyy/MM/dd HH:mm:ss";
}

template<typename TEMP>
QSqlRelationalTableModelView<TEMP>::~QSqlRelationalTableModelView()
{
    if(m_pSqlRelationalTableModel != nullptr)
    {
        delete m_pSqlRelationalTableModel;
    }
    MySqlOper::ReleaseInstance();
}

template<typename TEMP>
QSqlRelationalTableModelView<TEMP> *QSqlRelationalTableModelView<TEMP>::findAndCreatRelationalTableModelView(int column)
{
    QSqlRelationalTableModelView* pSqlRelationalTableModelView = m_relationModelViewMap.value(column, nullptr);
    if(pSqlRelationalTableModelView == nullptr)
    {
        pSqlRelationalTableModelView = new QSqlRelationalTableModelView(RelationModel(column)->tableName(), true);
        pSqlRelationalTableModelView->SetDateTimeFormat(m_qsDateFormat);
    }
    m_relationModelViewMap.insert(column, pSqlRelationalTableModelView);
    return pSqlRelationalTableModelView;
}

template<typename TEMP>
void QSqlRelationalTableModelView<TEMP>::InitView()
{
    if(m_pSqlRelationalTableModel != nullptr && m_pTableView != nullptr)
    {
        m_pTableView->setAlternatingRowColors(true);
        m_pTableView->setContextMenuPolicy(Qt::CustomContextMenu);
        m_pTableView->setSelectionBehavior(QAbstractItemView::SelectRows);
        //        m_pTableView->horizontalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);//自适应宽度
        m_pTableView->horizontalHeader()->setMinimumSectionSize(100);
        m_pTableView->horizontalHeader()->setDefaultAlignment(Qt::AlignCenter);
        m_pTableView->verticalHeader()->setDefaultAlignment(Qt::AlignCenter);
        m_pTableView->setModel(m_pSqlRelationalTableModel);
        for(int i = 0; i < m_tSerialisationList.size(); i++)
        {
            if(m_tSerialisationList.at(i).eType == eDateTime)
            {
                m_pTableView->setItemDelegateForColumn(i, new QDateTimeItemDelegate(m_qsDateFormat));
            }
        }
        m_pTableView->setItemDelegate(new QSqlRelationalDelegate(m_pTableView));
        m_pSqlRelationalTableModel->setTable(m_qsTableName);
        m_pSqlRelationalTableModel->setEditStrategy(QSqlTableModel::OnManualSubmit);//编辑后需要Submit才能更改
        for(int i = 0; i < m_headList.size(); i++)
        {
            m_pSqlRelationalTableModel->setHeaderData(m_pSqlRelationalTableModel->fieldIndex(m_headList.at(i))
                                                      , Qt::Horizontal, m_headListTitle.at(i));
        }
        m_pSqlRelationalTableModel->select();
    }
}

template<typename TEMP>
QSqlRelationalTableModelEx *QSqlRelationalTableModelView<TEMP>::GetModel()
{
    return m_pSqlRelationalTableModel;
}

template<typename TEMP>
void QSqlRelationalTableModelView<TEMP>::SetMode(bool bAdd, bool bDel, bool bUpdate)
{
    if(m_pViewObject != nullptr)
    {
        m_pViewObject->SetMode(bAdd, bDel, bUpdate);
    }
}

template<typename TEMP>
void QSqlRelationalTableModelView<TEMP>::SetSortingEnabled(bool enable)
{
    if (m_pTableView != nullptr) {
        m_pTableView->setSortingEnabled(enable);
        m_pTableView->horizontalHeader()->setSortIndicator(0, Qt::AscendingOrder);
    }
}

template<typename TEMP>
void QSqlRelationalTableModelView<TEMP>::AddAction(QAction *pAction)
{
    if(m_pViewObject != nullptr)
    {
        m_pViewObject->AddAction(pAction);
    }
}

template<typename TEMP>
QSqlTableModel *QSqlRelationalTableModelView<TEMP>::RelationModel(int column)
{
    if(m_pSqlRelationalTableModel != nullptr)
    {
        return m_pSqlRelationalTableModel->relationModel(column);
    }
    return nullptr;
}

template<typename TEMP>
QTableView *QSqlRelationalTableModelView<TEMP>::GetRelationTableView(int column)
{
    QSqlRelationalTableModelView* pSqlRelationalTableModelView = findAndCreatRelationalTableModelView(column);
    if(pSqlRelationalTableModelView != nullptr)
    {
        return pSqlRelationalTableModelView->GetTableView();
    }
    return nullptr;
}

template<typename TEMP>
QSqlRelationalTableModelEx *QSqlRelationalTableModelView<TEMP>::GetRelationModel(int column)
{
    QSqlRelationalTableModelView* pSqlRelationalTableModelView = findAndCreatRelationalTableModelView(column);
    if(pSqlRelationalTableModelView != nullptr)
    {
        return pSqlRelationalTableModelView->GetModel();
    }
    return nullptr;
}

template<typename TEMP>
void QSqlRelationalTableModelView<TEMP>::SetRelationModelHead(int column, const QString qsHead, const QString qsHeadTitle, const QColor &colorCol)
{
    QSqlRelationalTableModelView* pSqlRelationalTableModelView = findAndCreatRelationalTableModelView(column);
    if(pSqlRelationalTableModelView != nullptr)
    {
        pSqlRelationalTableModelView->SetSerialisationHead(qsHead, qsHeadTitle, TSerialisation(eInt, sizeof(int))/*序列化无效，做SQL查询用*/, colorCol);
    }
}

template<typename TEMP>
void QSqlRelationalTableModelView<TEMP>::InitRelationView(int column)
{
    QSqlRelationalTableModelView* pSqlRelationalTableModelView = findAndCreatRelationalTableModelView(column);
    if(pSqlRelationalTableModelView != nullptr && pSqlRelationalTableModelView->GetModel() != nullptr && pSqlRelationalTableModelView->GetTableView() != nullptr)
    {
        pSqlRelationalTableModelView->GetTableView()->setAlternatingRowColors(true);
        pSqlRelationalTableModelView->GetTableView()->setContextMenuPolicy(Qt::CustomContextMenu);
        pSqlRelationalTableModelView->GetTableView()->setSelectionBehavior(QAbstractItemView::SelectRows);
        //        pSqlRelationalTableModelView->GetTableView()->horizontalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);//自适应宽度
        pSqlRelationalTableModelView->GetTableView()->horizontalHeader()->setMinimumSectionSize(100);
        pSqlRelationalTableModelView->GetTableView()->horizontalHeader()->setDefaultAlignment(Qt::AlignCenter);
        pSqlRelationalTableModelView->GetTableView()->verticalHeader()->setDefaultAlignment(Qt::AlignCenter);
        pSqlRelationalTableModelView->GetTableView()->setModel(pSqlRelationalTableModelView->GetModel());
        for(int i = 0; i < pSqlRelationalTableModelView->getSerialisationList().size(); i++)
        {
            if(pSqlRelationalTableModelView->getSerialisationList().at(i).eType == eDateTime)
            {
                pSqlRelationalTableModelView->GetTableView()->setItemDelegateForColumn(i, new QDateTimeItemDelegate(pSqlRelationalTableModelView->getDateFormat()));
            }
        }
        pSqlRelationalTableModelView->GetTableView()->setItemDelegate(new QSqlRelationalDelegate(pSqlRelationalTableModelView->GetTableView()));
        pSqlRelationalTableModelView->GetModel()->setTable(pSqlRelationalTableModelView->getTableName());
        pSqlRelationalTableModelView->GetModel()->setEditStrategy(QSqlTableModel::OnManualSubmit);//编辑后需要Submit才能更改
        for(int i = 0; i < pSqlRelationalTableModelView->getHeadList().size(); i++)
        {
            pSqlRelationalTableModelView->GetModel()->setHeaderData(pSqlRelationalTableModelView->GetModel()->fieldIndex(pSqlRelationalTableModelView->getHeadList().at(i))
                                                                    , Qt::Horizontal, pSqlRelationalTableModelView->getHeadListTitle().at(i));
        }
        pSqlRelationalTableModelView->GetModel()->select();
    }
}

template<typename TEMP>
void QSqlRelationalTableModelView<TEMP>::SetRelationMode(int column, bool bAdd, bool bDel, bool bUpdate)
{
    QSqlRelationalTableModelView* pSqlRelationalTableModelView = findAndCreatRelationalTableModelView(column);
    if(pSqlRelationalTableModelView != nullptr)
    {
        pSqlRelationalTableModelView->SetMode(bAdd, bDel, bUpdate);
    }
}

template<typename TEMP>
void QSqlRelationalTableModelView<TEMP>::SetRelationSortingEnabled(int column, bool enable)
{
    QSqlRelationalTableModelView* pSqlRelationalTableModelView = findAndCreatRelationalTableModelView(column);
    if(pSqlRelationalTableModelView != nullptr)
    {
        pSqlRelationalTableModelView->SetSortingEnabled(enable);
    }
}

template<typename TEMP>
void QSqlRelationalTableModelView<TEMP>::AddRelationAction(int column, QAction *pAction)
{
    QSqlRelationalTableModelView* pSqlRelationalTableModelView = findAndCreatRelationalTableModelView(column);
    if(pSqlRelationalTableModelView != nullptr)
    {
        pSqlRelationalTableModelView->AddAction(pAction);
    }
}

template<typename TEMP>
QTableView *QSqlRelationalTableModelView<TEMP>::GetTableView()
{
    return m_pTableView;
}

template<typename TEMP>
void QSqlRelationalTableModelView<TEMP>::SetRelation(int column, const QString &aTableName, const QString &indexCol,
                                                     const QString &displayColconst, const QColor &colorCol)
{
    if(m_pSqlRelationalTableModel != nullptr)
    {
        m_pSqlRelationalTableModel->setRelation(column, QSqlRelation(aTableName, indexCol, displayColconst));
        m_pSqlRelationalTableModel->InsertRelationTextColorMap(column, colorCol);
    }
}

template<typename TEMP>
bool QSqlRelationalTableModelView<TEMP>::SQL_Init(QString csUser, QString csPasswd, QString csDB, QString csHost, int nPort)
{
    m_pMySqlOper->SQL_SetPro(csUser, csPasswd, csDB, csHost, nPort);
    return m_pMySqlOper->SQL_Connect();
}

template<typename TEMP>
void QSqlRelationalTableModelView<TEMP>::SetSerialisationHead(const QString qsHead, const QString qsHeadTitle, TSerialisation tSerialisation, const QColor &colorCol)
{
    m_headList.append(qsHead);
    m_headListTitle.append(qsHeadTitle);
    m_tSerialisationList.append(tSerialisation);
    GetModel()->AppendcolTextColorList(colorCol);
}

template<typename TEMP>
char *QSqlRelationalTableModelView<TEMP>::SQL_QuerySerialisation(QString csSql, int& nQuerySize, QList<TSerialisation> tSerialisationList)
{
    return m_pMySqlOper->SQL_QuerySerialisation(csSql, nQuerySize, tSerialisationList);
}

template<typename TEMP>
QList<TEMP> QSqlRelationalTableModelView<TEMP>::SQL_QueryData(QString csSql)
{
    int nQuerySize = 0;
    char* p = m_pMySqlOper->SQL_QuerySerialisation(csSql, nQuerySize, m_tSerialisationList);
    QList<TEMP> resultList;
    if(p != nullptr && nQuerySize > 0)
    {
        TEMP* pTemp = (TEMP*)p;
        for(int i = 0; i < nQuerySize; i++)
        {
            TEMP temp;
            memcpy(&temp, &pTemp[i], sizeof (TEMP));
            resultList.append(temp);
        }
        delete [] p;
    }
    return resultList;
}

template<typename TEMP>
void QSqlRelationalTableModelView<TEMP>::SetDateTimeFormat(QString qsDateFormat)
{
    m_qsDateFormat  = qsDateFormat;
}
#endif // QSQLRELATIONALTABLEMODELVIEW_H


//使用方法
//xxx.h
#pragma pack(push,1)//按字节对齐begin

struct tTemp{
    int id;
    int EInt;
    float EFloat;
    double EDouble;
    qint64 EDateTime;
};

struct tTempJoin{
    int id;
    char EString1[255];
    char EString2[255];
    double EDouble;
    qint64 EDateTime;
};
#pragma pack(pop)//按字节对齐end

private:
    QSqlRelationalTableModelView<tTemp>* m_pSqlRelationalTableModelView;

//xxx.cpp
static bool bCreat = false;
        if(!bCreat)
        {
            /*表结构
            CREATE TABLE `ModelTest` (
              `id` int NOT NULL AUTO_INCREMENT,
              `EInt` int NOT NULL,
              `EFloat` float NOT NULL,
              `EDouble` double NOT NULL,
              `EDateTime` datetime NOT NULL,
              PRIMARY KEY (`id`),
              KEY `name` (`EInt`) USING BTREE,
              KEY `name2` (`EFloat`),
              CONSTRAINT `name` FOREIGN KEY (`EInt`) REFERENCES `DICT` (`id`) ON DELETE RESTRICT ON UPDATE RESTRICT,
              CONSTRAINT `name2` FOREIGN KEY (`EFloat`) REFERENCES `DICT2` (`id`)
            );
            CREATE TABLE `DICT` (
              `id` int NOT NULL,
              `name` varchar(255) NOT NULL,
              KEY `id` (`id`)
            );
            CREATE TABLE `DICT2` (
              `id` float NOT NULL,
              `name` varchar(255) NOT NULL,
              KEY `id` (`id`)
            )
            */
            m_pSqlRelationalTableModelView = new QSqlRelationalTableModelView<tTemp>("ModelTest", true);
            m_pSqlRelationalTableModelView->SQL_Init("root", "0000", "RadioMonitor");
            m_pSqlRelationalTableModelView->SetSerialisationHead("id", "序号", TSerialisation(eInt, sizeof(int)));
            m_pSqlRelationalTableModelView->SetSerialisationHead("EInt", "Int值", TSerialisation(eInt, sizeof(int)));
            m_pSqlRelationalTableModelView->SetSerialisationHead("EFloat", "Float值", TSerialisation(eFloat, sizeof(float)));
            m_pSqlRelationalTableModelView->SetSerialisationHead("EDouble", "Double值", TSerialisation(eDouble, sizeof(double)));
            m_pSqlRelationalTableModelView->SetSerialisationHead("EDateTime", "DateTime值", TSerialisation(eDateTime, sizeof(qint64)));
            m_pSqlRelationalTableModelView->InitView();
            m_pSqlRelationalTableModelView->SetRelation(1, "DICT","id","name", QColor(0, 255, 0));
            m_pSqlRelationalTableModelView->SetRelation(2, "DICT2","id","name", QColor(255, 255, 0));
            m_pSqlRelationalTableModelView->GetTableView()->resize(600, 300);
            m_pSqlRelationalTableModelView->SetMode(true, true, true);
            m_pSqlRelationalTableModelView->SetSortingEnabled(true);
            m_pSqlRelationalTableModelView->GetTableView()->setWindowTitle("数据库示例");

            //创建外键表1
            m_pSqlRelationalTableModelView->SetRelationModelHead(1, "id", "序号");
            m_pSqlRelationalTableModelView->SetRelationModelHead(1, "name", "名称");
            m_pSqlRelationalTableModelView->InitRelationView(1);
            m_pSqlRelationalTableModelView->GetRelationTableView(1)->resize(300, 150);
            m_pSqlRelationalTableModelView->SetRelationMode(1, true, true, true);
            m_pSqlRelationalTableModelView->SetRelationSortingEnabled(1, true);
            m_pSqlRelationalTableModelView->GetRelationTableView(1)->setWindowTitle("外键表1示例");
            //m_pSqlRelationalTableModelView->GetRelationModel(1)->setFilter("id=1");//设置过滤

            //创建外键表2
            m_pSqlRelationalTableModelView->SetRelationModelHead(2, "id", "序号");
            m_pSqlRelationalTableModelView->SetRelationModelHead(2, "name", "名称");
            m_pSqlRelationalTableModelView->InitRelationView(2);
            m_pSqlRelationalTableModelView->GetRelationTableView(2)->resize(300, 150);
            m_pSqlRelationalTableModelView->SetRelationMode(2, true, true, true);
            m_pSqlRelationalTableModelView->SetRelationSortingEnabled(2, true);
            m_pSqlRelationalTableModelView->GetRelationTableView(2)->setWindowTitle("外键表2示例");
            //m_pSqlRelationalTableModelView->GetRelationModel(2)->setFilter("id=1");//设置过滤

            //自定义右键菜单
            QAction *pAction1= new QAction("外键列表1示例", this);
            connect(pAction1, &QAction::triggered, this, [&] {
                const QRect screen = QGuiApplication::screens().at(0)->geometry();
                m_pSqlRelationalTableModelView->GetRelationTableView(1)->move(screen.center() - m_pSqlRelationalTableModelView->GetRelationTableView(1)->rect().center());
                m_pSqlRelationalTableModelView->GetRelationTableView(1)->show();
            });
            m_pSqlRelationalTableModelView->AddAction(pAction1);

            QAction *pAction2= new QAction("外键列表2示例", this);
            connect(pAction2, &QAction::triggered, this, [&] {
                const QRect screen = QGuiApplication::screens().at(0)->geometry();
                m_pSqlRelationalTableModelView->GetRelationTableView(2)->move(screen.center() - m_pSqlRelationalTableModelView->GetRelationTableView(1)->rect().center());
                m_pSqlRelationalTableModelView->GetRelationTableView(2)->show();
            });
            m_pSqlRelationalTableModelView->AddAction(pAction2);

            const QRect screen = QGuiApplication::screens().at(0)->geometry();
            m_pSqlRelationalTableModelView->GetTableView()->move(screen.center() - m_pSqlRelationalTableModelView->GetTableView()->rect().center());
            //默认查询，SQL语句需返回本表所有字段且不含其他表字段
            QList<tTemp> list= m_pSqlRelationalTableModelView->SQL_QueryData("SELECT * FROM ModelTest LIMIT 0,100");
            qDebug() << list.size();
            //INNER JOIN查询 或者 LEFT JOIN查询
            QList<TSerialisation> tSerialisationList;
            tSerialisationList << TSerialisation(eInt, sizeof(int));
            tSerialisationList << TSerialisation(eString, 255);
            tSerialisationList << TSerialisation(eString, 255);
            tSerialisationList << TSerialisation(eDouble, sizeof(double));
            tSerialisationList << TSerialisation(eDateTime, sizeof(qint64));
            int nQuerySize = 0;
            tTempJoin* ptTempJoin= (tTempJoin*)m_pSqlRelationalTableModelView->SQL_QuerySerialisation(
                        "SELECT a.id, b.name, c.name, a.EDouble, a.EDateTime FROM ModelTest a INNER JOIN DICT b, DICT2 c LIMIT 0,100", nQuerySize, tSerialisationList);
            if(nQuerySize > 1)
                qDebug() << nQuerySize << ptTempJoin[0].EString1 << ptTempJoin[0].EString2;
            else
                qDebug() << nQuerySize;
        }
        m_pSqlRelationalTableModelView->GetTableView()->show();
        bCreat = true;

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