毕设：基于QT，采用CS架构实现的汽车4S店维修系统.zip

#include "Administrator.h" Administrator::Administrator(QWidget* parent) : QMainWindow(parent) { ui.setupUi(this); opentable(tableadmin, ui.adminView, "administrator", selectadmin); opentable(tableworker, ui.workerView, "worker", selectworker); opentable(tableconsumer, ui.consumerView, "consumer", selectconsumer); opentable(tableorder, ui.orderView, "order", selectorder); opentable(tablecar, ui.carView, "car", selectcar); table = tableadmin; select = selectadmin; comselect = new QComboBox; comselect->addItems(admins); ui.mainToolBar->addWidget(comselect); edit = new QLineEdit; edit->setMaximumWidth(100); ui.mainToolBar->addWidget(edit); Strs = Admins; iniCarChart(); iniWorkerChart(); iniOrderChart(); } Administrator::~Administrator() { } void Administrator::on_actInsert_triggered() { table->insertRow(table->rowCount(), QModelIndex()); QModelIndex index = table->index(table->rowCount() - 1, 1); select->clearSelection(); select->setCurrentIndex(index, QItemSelectionModel::Select); if (table == tableworker) { table->setData(table->index(index.row(), 0), table->record(index.row() - 1).value(0).toULongLong() + 1); table->setData(table->index(index.row(), 4), 0); table->setData(table->index(index.row(), 5), 0); table->setData(table->index(index.row(), 6), "空闲中"); } ui.actSave->setEnabled(true); ui.actCancel->setEnabled(true); } void Administrator::iniWorkerChart() { QChart* chart = new QChart(); chart->setTitle("员工业绩排行前10名"); chart->setAnimationOptions(QChart::SeriesAnimations); ui.WorkerView->setChart(chart); ui.WorkerView->setRenderHint(QPainter::Antialiasing); } void Administrator::iniCarChart() { QChart* chart = new QChart(); chart->setTitle("车辆型号"); chart->setAnimationOptions(QChart::SeriesAnimations); ui.CarView->setChart(chart); ui.CarView->setRenderHint(QPainter::Antialiasing); } void Administrator::iniOrderChart() { QChart* chart = new QChart(); chart->setTitle("公司盈利情况"); chart->setAnimationOptions(QChart::SeriesAnimations); ui.OrderView->setChart(chart); ui.OrderView->setRenderHint(QPainter::Antialiasing); } void Administrator::buildWorkerChart() { QChart* chart = ui.WorkerView->chart(); chart->removeAllSeries(); chart->removeAxis(chart->axisX()); chart->removeAxis(chart->axisY()); QBarSet* set = new QBarSet("业绩"); QSqlQuery query; QStringList strs; query.exec("select Name,Experience from worker order by Experience"); int n = query.size(); while (query.next()) { set->append(query.value("Experience").toULongLong()); strs << query.value("Name").toString(); } set->setColor(Qt::darkBlue); QHorizontalBarSeries* series = new QHorizontalBarSeries(); series->append(set); chart->addSeries(series); QBarCategoryAxis* axisY = new QBarCategoryAxis(); axisY->append(strs); chart->setAxisY(axisY, series); axisY->setRange(strs[strs.count() - 10], strs.last()); QValueAxis* axisX = new QValueAxis(); axisX->setTitleText("业绩"); chart->setAxisX(axisX, series); } void Administrator::buildCarChart() { QChart* chart = ui.CarView->chart(); chart->removeAllSeries(); chart->removeAxis(chart->axisX()); chart->removeAxis(chart->axisY()); QBarSet* set = new QBarSet("种类"); QSqlQuery query; QStringList strs; query.exec("select Model,count(Model) from car group by Model order by Model"); int n = query.size(); while (query.next()) { set->append(query.value("count(Model)").toULongLong()); strs << query.value("Model").toString(); } set->setColor(Qt::color1); QBarSeries* series = new QBarSeries(); series->append(set); chart->addSeries(series); QBarCategoryAxis* axisX = new QBarCategoryAxis(); axisX->append(strs); chart->setAxisX(axisX, series); QValueAxis* axisY = new QValueAxis(); axisY->setTitleText("车辆数"); chart->setAxisY(axisY, series); } void Administrator::buildOrderChart() { QChart* chart = ui.OrderView->chart(); chart->removeAllSeries(); chart->removeAxis(chart->axisX()); chart->removeAxis(chart->axisY()); QLineSeries* line = new QLineSeries(); QSqlQuery query; query.exec("select sum(Pay) from `order` group by year(LDate)"); int n = query.size(); for (int i = 2010; query.next(); i++)line->append(QPointF(i, query.value(0).toFloat())); chart->addSeries(line); QValueAxis* axisX = new QValueAxis(), * axisY = new QValueAxis(); axisX->setTitleText("年份"); axisX->setLabelFormat("%.0f"); axisX->setTickCount(n); axisY->setTitleText("金币"); chart->setAxisX(axisX, line); chart->setAxisY(axisY, line); } void Administrator::opentable(QSqlRelationalTableModel*& table, QTableView* tableView, QString tablename, QItemSelectionModel*& select) { table = new QSqlRelationalTableModel(this, HX::Database); table->setTable(tablename); table->setEditStrategy(QSqlRelationalTableModel::OnManualSubmit); if (!(table->select())) { QMessageBox::critical(this, "错误", table->lastError().text()); return; } QStringList strs; if (tablename == "administrator")strs = admins; else if (tablename == "worker")strs = workers; else if (tablename == "car")strs = cars; else if (tablename == "consumer")strs = consumers; else if (tablename == "order")strs = orders; for (int i = 0; i < strs.count(); i++)table->setHeaderData(i, Qt::Horizontal, strs[i]); select = new QItemSelectionModel(table); connect(select, SIGNAL(currentChanged(QModelIndex, QModelIndex)), this, SLOT(on_currentChanged(QModelIndex, QModelIndex))); tableView->setModel(table); tableView->setSelectionModel(select); if (tablename == "worker" || tablename == "consumer")tableView->setColumnHidden(table->fieldIndex("Password"), true); } void Administrator::on_actDelete_triggered() { QModelIndex index = select->currentIndex(); table->removeRow(index.row()); ui.actSave->setEnabled(true); ui.actCancel->setEnabled(true); } void Administrator::on_actExport_triggered() { QString filepath = QFileDialog::getSaveFileName(this, "保存到...", "副本", "Excel 97-2003 工作簿(*.xls);;Excel 工作簿(*.xlsx)"); if (filepath != "") { int row = table->rowCount(); int col = table->columnCount(); QList<QString> list; QString HeaderRow; for (int i = 0; i < col; i++)HeaderRow.append(table->headerData(i, Qt::Horizontal, Qt::DisplayRole).toString() + "\t"); list.push_back(HeaderRow); for (int i = 0; i < row; i++) { QString rowStr = ""; for (int j = 0; j < col; j++) { QModelIndex index = table->index(i, j); rowStr += table->data(index).toString() + "\t"; } list.push_back(rowStr); } QTextEdit textEdit; for (int i = 0; i < list.size(); i++)textEdit.append(list.at(i)); QFile file(filepath); if (file.open(QFile::WriteOnly | QIODevice::Text)) { QTextStream ts(&file); ts << textEdit.document()->toPlainText(); file.close(); QMessageBox::information(this, "导出", "数据导出成功!"); } else QMessageBox::information(this, "导出", "文件打开错误,数据导出失败!"); } } void Administrator::on_actSave_triggered() { uint row = tableworker->rowCount() - 1; tableworker->setData(tableworker->index(row, 7), tableworker->record(row).value(2).toString()); QSqlQuery query; QStringList strs = { "administrator","worker","car" }; for (QString str : strs)query.exec(QString("update %1 set checked = 0 where checked = 1").arg(str)); if (!table->submitAll() && !query.isActive())QMessageBox::critical(this, "保存失败!", "错误信息:" + table->lastError().text()); else { ui.actSave->setEnabled(false); ui.actCancel->setEnabled(false); } } void Administrator::on_actSelect_triggered() { table->setFilter(QString("%1 like '%%2%'").arg(Strs[comselect->currentIndex()]).arg(edit->text())); } void Administrator::on_actCancel_triggered() { table->revertAll(); ui.actSave->setEnabled(false); ui.actCancel->setEnabled(false); } void Administrator::on_currentChanged(const QModelIndex& current, const QModelIndex& previous) { Q_UNUSED(current); Q_UNUSED(previous); ui.actSave->setEnabled(table->isDirty()); ui.actCancel->setEnabled(table->isDirty()); } void Administrat