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
#include
#include
#include
#include
#include
#include "mysqloper.h"//源码在其他博文中
#include
#include
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(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 m_relationTextColorMap;
QList 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 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
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 m_tSerialisationList;
QList m_headList;
QList m_headListTitle;
QMap m_relationModelViewMap;
QString m_qsDateFormat;
private:
QSqlRelationalTableModelView* findAndCreatRelationalTableModelView(int column);
protected:
QList getSerialisationList(){return m_tSerialisationList;};
QList getHeadList(){return m_headList;};
QList 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 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 tSerialisationList = QList());//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
QSqlRelationalTableModelView::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
QSqlRelationalTableModelView::~QSqlRelationalTableModelView()
{
if(m_pSqlRelationalTableModel != nullptr)
{
delete m_pSqlRelationalTableModel;
}
MySqlOper::ReleaseInstance();
}
template
QSqlRelationalTableModelView *QSqlRelationalTableModelView::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
void QSqlRelationalTableModelView::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
QSqlRelationalTableModelEx *QSqlRelationalTableModelView::GetModel()
{
return m_pSqlRelationalTableModel;
}
template
void QSqlRelationalTableModelView::SetMode(bool bAdd, bool bDel, bool bUpdate)
{
if(m_pViewObject != nullptr)
{
m_pViewObject->SetMode(bAdd, bDel, bUpdate);
}
}
template
void QSqlRelationalTableModelView::SetSortingEnabled(bool enable)
{
if (m_pTableView != nullptr) {
m_pTableView->setSortingEnabled(enable);
m_pTableView->horizontalHeader()->setSortIndicator(0, Qt::AscendingOrder);
}
}
template
void QSqlRelationalTableModelView::AddAction(QAction *pAction)
{
if(m_pViewObject != nullptr)
{
m_pViewObject->AddAction(pAction);
}
}
template
QSqlTableModel *QSqlRelationalTableModelView::RelationModel(int column)
{
if(m_pSqlRelationalTableModel != nullptr)
{
return m_pSqlRelationalTableModel->relationModel(column);
}
return nullptr;
}
template
QTableView *QSqlRelationalTableModelView::GetRelationTableView(int column)
{
QSqlRelationalTableModelView* pSqlRelationalTableModelView = findAndCreatRelationalTableModelView(column);
if(pSqlRelationalTableModelView != nullptr)
{
return pSqlRelationalTableModelView->GetTableView();
}
return nullptr;
}
template
QSqlRelationalTableModelEx *QSqlRelationalTableModelView::GetRelationModel(int column)
{
QSqlRelationalTableModelView* pSqlRelationalTableModelView = findAndCreatRelationalTableModelView(column);
if(pSqlRelationalTableModelView != nullptr)
{
return pSqlRelationalTableModelView->GetModel();
}
return nullptr;
}
template
void QSqlRelationalTableModelView::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
void QSqlRelationalTableModelView::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
void QSqlRelationalTableModelView::SetRelationMode(int column, bool bAdd, bool bDel, bool bUpdate)
{
QSqlRelationalTableModelView* pSqlRelationalTableModelView = findAndCreatRelationalTableModelView(column);
if(pSqlRelationalTableModelView != nullptr)
{
pSqlRelationalTableModelView->SetMode(bAdd, bDel, bUpdate);
}
}
template
void QSqlRelationalTableModelView::SetRelationSortingEnabled(int column, bool enable)
{
QSqlRelationalTableModelView* pSqlRelationalTableModelView = findAndCreatRelationalTableModelView(column);
if(pSqlRelationalTableModelView != nullptr)
{
pSqlRelationalTableModelView->SetSortingEnabled(enable);
}
}
template
void QSqlRelationalTableModelView::AddRelationAction(int column, QAction *pAction)
{
QSqlRelationalTableModelView* pSqlRelationalTableModelView = findAndCreatRelationalTableModelView(column);
if(pSqlRelationalTableModelView != nullptr)
{
pSqlRelationalTableModelView->AddAction(pAction);
}
}
template
QTableView *QSqlRelationalTableModelView::GetTableView()
{
return m_pTableView;
}
template
void QSqlRelationalTableModelView::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
bool QSqlRelationalTableModelView::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
void QSqlRelationalTableModelView::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
char *QSqlRelationalTableModelView::SQL_QuerySerialisation(QString csSql, int& nQuerySize, QList tSerialisationList)
{
return m_pMySqlOper->SQL_QuerySerialisation(csSql, nQuerySize, tSerialisationList);
}
template
QList QSqlRelationalTableModelView::SQL_QueryData(QString csSql)
{
int nQuerySize = 0;
char* p = m_pMySqlOper->SQL_QuerySerialisation(csSql, nQuerySize, m_tSerialisationList);
QList 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
void QSqlRelationalTableModelView::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* 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("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 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 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;