void MemberDlg::deleteRecords()
{
QItemSelectionModel *select_mode=view->selectionModel();
QModelIndexList list = select_mode->selectedRows();
qDebug()<<"list:"<<list.size();
if(0 == list.count())
{
QMessageBox::information(NULL,tr("删除记录"),tr("对不起，请选择至少一条要删除的记录！"),
QMessageBox::Yes);
return;
}
else
{
int ret=QMessageBox::information(NULL,tr("删除记录"),tr("您确定要删除该记录？"),
QMessageBox::Yes,QMessageBox::No);
if(ret==QMessageBox::No)
return;
QSqlTableModel tableModel;
tableModel.setTable("Account");
for(int i=0; i<list.count();i++)
{
int MainID = model->data(model->index(list.at(i).row(),0)).toInt();
tableModel.setFilter(QString("FamilyMember = %1").arg(MainID));
tableModel.select();
tableModel.removeRows(0,tableModel.rowCount()); //先删除Account与该成员关联的记录
}
model->removeRows(list.at(0).row(),list.count());
model->submitAll();
model->select();
}
emit updateFamilyMember();//通知其他窗体更新
}
void Database::saveUnits(QString userName, QList<Unit> units)
{
QSqlTableModel model;
model.setTable("user");
model.select();
QString saveName;
for (int i=0; i<model.rowCount(); ++i)
{
QSqlRecord record = model.record(i);
if (record.value("name").toString()==userName)
{
saveName=record.value("id").toString();
break;
}
}
saveName.prepend("save");
model.setTable(saveName);
int row=0, line=0;
model.select();
model.removeRows(row, model.rowCount());
model.submitAll();
while(line<units.size())
{
model.insertRows(row,1);
model.setData(model.index(row,0), line+1);
model.setData(model.index(row,1), units[line].imageFileName);
model.setData(model.index(row,2), units[line].faceLeft);
model.setData(model.index(row,3), units[line].vLocation);
model.setData(model.index(row,4), units[line].hLocation);
model.setData(model.index(row,5), units[line].hitPoints);
model.setData(model.index(row,6), units[line].totalHitPoints);
model.setData(model.index(row,7), units[line].actionTime);
model.setData(model.index(row,8), units[line].actionRate);
model.setData(model.index(row,9), units[line].movementRange);
model.setData(model.index(row,10), units[line].attackRange);
model.setData(model.index(row,11), units[line].attackPower);
model.setData(model.index(row,12), units[line].status);
model.setData(model.index(row,13), units[line].maskFileName);
model.setData(model.index(row,14), units[line].team);
model.setData(model.index(row,15), units[line].unitWorth);
model.submitAll();
line++;
}
}
void MainPage::userLogout(){
qDebug()<<"userLogout...";
if(!isLogin()){
ToolUtil::ShowMessageBoxInfo("您还没有登录",this);
return;
}
int result = ToolUtil::ShowMessageBoxQuesion("确定要退出登录吗？",this);
if (1 == result) {
//处理结束工作
QSqlTableModel *model = Dbconnect::getTbModel("remuser");
model->select();
model->removeRows(0,model->rowCount());
model->submit();
delete model;
model = NULL;
this->updateUi("");
Dbconnect::clearUser();
}
}
void sql_intro_snippets()
{
{
//! [26]
QSqlDatabase db = QSqlDatabase::addDatabase("QMYSQL");
db.setHostName("bigblue");
db.setDatabaseName("flightdb");
db.setUserName("acarlson");
db.setPassword("1uTbSbAs");
bool ok = db.open();
//! [26]
Q_UNUSED(ok);
}
{
//! [27]
QSqlDatabase firstDB = QSqlDatabase::addDatabase("QMYSQL", "first");
QSqlDatabase secondDB = QSqlDatabase::addDatabase("QMYSQL", "second");
//! [27]
}
{
//! [28]
QSqlDatabase defaultDB = QSqlDatabase::database();
//! [28] //! [29]
QSqlDatabase firstDB = QSqlDatabase::database("first");
//! [29] //! [30]
QSqlDatabase secondDB = QSqlDatabase::database("second");
//! [30]
}
{
// SELECT1
//! [31]
QSqlQuery query;
query.exec("SELECT name, salary FROM employee WHERE salary > 50000");
//! [31]
//! [32]
while (query.next()) {
QString name = query.value(0).toString();
int salary = query.value(1).toInt();
qDebug() << name << salary;
}
//! [32]
}
{
// FEATURE
//! [33]
QSqlQuery query;
int numRows;
query.exec("SELECT name, salary FROM employee WHERE salary > 50000");
QSqlDatabase defaultDB = QSqlDatabase::database();
if (defaultDB.driver()->hasFeature(QSqlDriver::QuerySize)) {
numRows = query.size();
} else {
// this can be very slow
query.last();
numRows = query.at() + 1;
}
//! [33]
}
{
// INSERT1
//! [34]
QSqlQuery query;
query.exec("INSERT INTO employee (id, name, salary) "
"VALUES (1001, 'Thad Beaumont', 65000)");
//! [34]
}
{
// NAMED BINDING
//! [35]
QSqlQuery query;
query.prepare("INSERT INTO employee (id, name, salary) "
"VALUES (:id, :name, :salary)");
query.bindValue(":id", 1001);
query.bindValue(":name", "Thad Beaumont");
query.bindValue(":salary", 65000);
query.exec();
//! [35]
}
{
// POSITIONAL BINDING
//! [36]
QSqlQuery query;
query.prepare("INSERT INTO employee (id, name, salary) "
"VALUES (?, ?, ?)");
query.addBindValue(1001);
query.addBindValue("Thad Beaumont");
query.addBindValue(65000);
query.exec();
//! [36]
}
{
// UPDATE1
//! [37]
QSqlQuery query;
query.exec("UPDATE employee SET salary = 70000 WHERE id = 1003");
//! [37]
}
{
// DELETE1
//! [38]
QSqlQuery query;
query.exec("DELETE FROM employee WHERE id = 1007");
//! [38]
}
{
// TRANSACTION
//! [39]
QSqlDatabase::database().transaction();
QSqlQuery query;
query.exec("SELECT id FROM employee WHERE name = 'Torild Halvorsen'");
if (query.next()) {
int employeeId = query.value(0).toInt();
query.exec("INSERT INTO project (id, name, ownerid) "
"VALUES (201, 'Manhattan Project', "
+ QString::number(employeeId) + ')');
}
QSqlDatabase::database().commit();
//! [39]
}
{
// SQLQUERYMODEL1
//! [40]
QSqlQueryModel model;
model.setQuery("SELECT * FROM employee");
for (int i = 0; i < model.rowCount(); ++i) {
int id = model.record(i).value("id").toInt();
QString name = model.record(i).value("name").toString();
qDebug() << id << name;
}
//! [40]
}
{
// SQLTABLEMODEL1
//! [41]
QSqlTableModel model;
model.setTable("employee");
model.setFilter("salary > 50000");
model.setSort(2, Qt::DescendingOrder);
model.select();
for (int i = 0; i < model.rowCount(); ++i) {
QString name = model.record(i).value("name").toString();
int salary = model.record(i).value("salary").toInt();
qDebug() << name << salary;
}
//! [41]
}
{
// SQLTABLEMODEL2
QSqlTableModel model;
model.setTable("employee");
//! [42]
for (int i = 0; i < model.rowCount(); ++i) {
QSqlRecord record = model.record(i);
double salary = record.value("salary").toInt();
salary *= 1.1;
record.setValue("salary", salary);
model.setRecord(i, record);
}
model.submitAll();
//! [42]
// SQLTABLEMODEL3
int row = 1;
int column = 2;
//! [43]
model.setData(model.index(row, column), 75000);
model.submitAll();
//! [43]
// SQLTABLEMODEL4
//! [44]
model.insertRows(row, 1);
model.setData(model.index(row, 0), 1013);
model.setData(model.index(row, 1), "Peter Gordon");
model.setData(model.index(row, 2), 68500);
model.submitAll();
//! [44]
//! [45]
model.removeRows(row, 5);
//! [45] //! [46]
model.submitAll();
//! [46]
}
}