// 保存多個扇形
	QList<QPieSlice *> slices;
	for (int i = 1; i <= 10; ++i)
	{
		// 創(chuàng)建一個扇形
		QPieSlice * slice = new QPieSlice(QString::number(i),i);
		slices << slice;
	}
	// 創(chuàng)建一個餅圖系列
	QPieSeries * pieSeries = new QPieSeries;
	// 當(dāng)鼠標(biāo)懸浮時設(shè)置標(biāo)簽可見，設(shè)置餅圖扇形分離
	QObject::connect(pieSeries,&QPieSeries::hovered
		, [](QPieSlice *slice, bool state) {
		slice->setLabelVisible(state);
		slice->setExploded(state);
	});
	// 將所有扇形所加到餅圖中
	pieSeries->append(slices);

	// 創(chuàng)建一個圖表
	QChart * chart = new QChart;
	// 設(shè)置標(biāo)題
	chart->setTitle(QStringLiteral("餅圖"));
	// 設(shè)置動畫
	chart->setAnimationOptions(QChart::AllAnimations);
	// 設(shè)置圖表的系列
	chart->addSeries(pieSeries);

	// 創(chuàng)建圖表視圖，顯示圖表
 pView = new QChartView(chart);
	// 設(shè)置抗鋸齒
	pView->setRenderHint(QPainter::Antialiasing);

	// 添加圖表視圖到布局
 QVBoxLayout *layout = new QVBoxLayout(this);
 layout->addWidget(pView);

// 保存柱集合
	QList<QBarSet *> sets;
	for (int i = 1; i <= 5; ++i)
	{
		// 創(chuàng)建一個柱集合
		QBarSet * set = new QBarSet(QString("set").append(QString::number(i)));
		QList<qreal> values;
		for (int j = 1; j <= 5; ++j)
		{
			values << qrand()%100;
			qDebug() << values;
		}
		set->append(values);
		sets << set;
	}
	// 創(chuàng)建一個柱圖系列
	QBarSeries * barSeries = new QBarSeries;
	// 添加柱集合
	barSeries->append(sets);

	QChart * chart = new QChart;
	chart->setTitle(QStringLiteral("柱狀圖"));
	chart->setAnimationOptions(QChart::AllAnimations);
	chart->addSeries(barSeries);

	pView = new QChartView(chart);
	pView->setRenderHint(QPainter::Antialiasing);

	QVBoxLayout *layout = new QVBoxLayout(this);
	layout->addWidget(pView);

// 創(chuàng)建并保存點信息
	QList<QPointF> points;
	points << QPointF(0, -1) << QPointF(2, 2) << QPointF(3, 5) << QPointF(5, -5)
		<< QPointF(6, 0) << QPointF(7, 3);

	// 創(chuàng)建線圖系列
	QLineSeries * lineSeries = new QLineSeries;
	// 曲線
	//QSplineSeries * lineSeries = new QSplineSeries;
	
	// 追加點
	lineSeries->append(points);

	QChart * chart = new QChart;
	chart->setTitle(QStringLiteral("線圖"));
	chart->setAnimationOptions(QChart::AllAnimations);
	chart->addSeries(lineSeries);

	pView = new QChartView(chart);
	pView->setRenderHint(QPainter::Antialiasing);

	QVBoxLayout *layout = new QVBoxLayout(this);
	layout->addWidget(pView);

QList<QPointF> pointsLower;
	pointsLower << QPointF(0, -1) << QPointF(2, 2) << QPointF(3, 5) << QPointF(5, -5)
		<< QPointF(6, 0) << QPointF(7, 3);
	// 創(chuàng)建一條線
	QLineSeries * lineSeriesLower = new QLineSeries;
	lineSeriesLower->append(pointsLower);

	QList<QPointF> pointsUpper;
	pointsUpper << QPointF(0, -1) << QPointF(2, 4) << QPointF(3, 3) << QPointF(5, 3)
		<< QPointF(6, 1) << QPointF(7, 5);
	// 創(chuàng)建另一條線
	QLineSeries * lineSeriesUpper = new QLineSeries;
	lineSeriesUpper->append(pointsUpper);

	// 兩條線組成面
	QAreaSeries * areaSeries = new QAreaSeries(lineSeriesLower, lineSeriesUpper);

	QChart * chart = new QChart;
	chart->setTitle(QStringLiteral("區(qū)域圖"));
	chart->setAnimationOptions(QChart::AllAnimations);
	chart->addSeries(areaSeries);

	pView = new QChartView(chart);
	pView->setRenderHint(QPainter::Antialiasing);

	QVBoxLayout *layout = new QVBoxLayout(this);
	layout->addWidget(pView);