主要是记录柱状图的数值显示，散点图的点坐标显示（防止后续忘记，把文件都贴出来，方便复查）
资源库： WarehouseInputOrOutput.pro
1 QT += core gui 2 QT += charts 3 4 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets 5 6 TARGET = WarehouseInputOrOutput 7 TEMPLATE = app 8 9 DEFINES += QT_DEPRECATED_WARNINGS 10 11 SOURCES += main.cpp\ 12 warehouseinputoroutput.cpp \ 13 callout.cpp 14 15 HEADERS += warehouseinputoroutput.h \ 16 callout.h 17 18 FORMS += warehouseinputoroutput.ui
头文件：WarehouseInputOrOutput.h
1 #ifndef WAREHOUSEINPUTOROUTPUT_H
2 #define WAREHOUSEINPUTOROUTPUT_H
3
4 #include <QMainWindow>
5 #include <QtCharts/QChartView>
6 #include <QtCharts>
7
8 namespace Ui {
9 class WarehouseInputOrOutput;
10 }
11
12 class WarehouseInputOrOutput : public QMainWindow
13 {
14 Q_OBJECT
15
16 public:
17 explicit WarehouseInputOrOutput(QWidget *parent = 0);
18 ~WarehouseInputOrOutput();
19 void initData();
20 QChart* setBarData();
21 QChart* setSeatterData();
22 QChart* setChartNature(QChart* chart);
23
27 private:
28 Ui::WarehouseInputOrOutput *ui;
29
33 };
34
35 #endif // WAREHOUSEINPUTOROUTPUT_H
定义：WarehouseInputOrOutput.cpp
1 #include "warehouseinputoroutput.h"
2 #include "ui_warehouseinputoroutput.h"
3 #include <QtCharts/QValueAxis>
4 #include <QtCharts>
5 #include <qlabel.h>
7 #include <QtGui/QMouseEvent>
8 #include <QtWidgets/QGridLayout>
9 #include <QtWidgets/QHBoxLayout>
10
11 WarehouseInputOrOutput::WarehouseInputOrOutput(QWidget *parent) :
12 QMainWindow(parent),
13 ui(new Ui::WarehouseInputOrOutput)
14 {
15
16 ui->setupUi(this);
17
18 initData();
19 }
20
21 WarehouseInputOrOutput::~WarehouseInputOrOutput()
22 {
23 delete ui;
24 }
25
26 QChart* WarehouseInputOrOutput::setChartNature(QChart* chart)
27 {
28
29 chart->setTheme(QChart::ChartThemeLight); // 设置白色主题
30 chart->setDropShadowEnabled(true); // 背景阴影
31 // chart->addSeries(series); // 数据关联
32 chart->setTitleBrush(QBrush(QColor(0, 0, 255))); // 设置标题Brush
33 chart->setTitleFont(QFont("宋体")); // 设置标题字体
34
35 chart->legend()->setVisible(true);
36 chart->legend()->setAlignment(Qt::AlignBottom); // 对齐方式：底部对齐
37 chart->legend()->setBackgroundVisible(true); // 设置背景 可见
38 chart->legend()->setAutoFillBackground(true); // 自动填充背景
39 chart->legend()->setColor(QColor(222, 233, 251));
40 chart->legend()->setLabelColor(QColor(0, 100, 255));
41 // chart->legend()->setMaximumHeight(50); // 设置高度
42 // chart->legend()->hide();
43
44 return chart;
45 }
46
47 QChart* WarehouseInputOrOutput::setBarData()
48 {
49 QChart* barChart = new QChart();
50 QBarSet* set0 = new QBarSet("入库数");
51 QBarSet* set1 = new QBarSet("出库数");
52 QBarSet* set2 = new QBarSet("存量数");
53 int maxXCount = 10;
54 int maxYCount = 1000;
55
56 // testData
57 QMap<int, int> barData;
58 for(int i = 0; i < 10; ++i)
59 {
62 barData[i] = i * 100 + 10;
63 }
64 for(int i = 0; i < 10;++i)
65 {
66 set0->append(barData[i]);
67 set1->append(barData[9 - i]);
68 }
69 for(int i = 0; i < maxXCount; ++ i)
70 {
71 set2->append(i * 100);
72 }
73 set0->setLabelColor(Qt::black);
74 set1->setLabelColor(Qt::red);
75 set2->setLabelColor(Qt::cyan);
76
77 QBarSeries* series = new QBarSeries();
78 series->append(set0);
79 series->append(set1);
80 series->append(set2);
81 series->setVisible(true);
82 series->setLabelsVisible(true);
83 // 柱状图数字显示在最上方
84 series->setLabelsPosition(QAbstractBarSeries::LabelsInsideBase);
85
91 setChartNature(barChart);
92 barChart->addSeries(series);
93 barChart->setTitle("出入库统计");
94
95 QCategoryAxis* axisX = new QCategoryAxis();
98 axisX->setStartValue(-0.5);
99 for(int i = 1; i < maxXCount + 1; ++ i)
100 axisX->append("物料" + QString::number(i), i - 0.5);
101
102 QValueAxis *axisY = new QValueAxis;
103 axisY->setRange(0, maxYCount); //改为setRange(0,1);则表示坐标为动态计算大小的
104 axisY->setTitleText("数量");
105 axisY->setLabelFormat("%d");
106
107 barChart->setAxisX(axisX, series);
108 barChart->setAxisY(axisY, series);
109 series->attachAxis(axisX);
110 series->attachAxis(axisY);
120
121 return barChart;
122 }
123
124 QChart* WarehouseInputOrOutput::setSeatterData()
125 {
126 QChart* seatterChart = new QChart();
127 int maxXCount = 10;
128 int maxYCount = 10000;
129 setChartNature(seatterChart);
130 seatterChart->setTitle("存量数");
131
132 QCategoryAxis* axisX = new QCategoryAxis();
133 // axisX->setMin(0);
134 axisX->setMax(maxXCount);
135 axisX->setStartValue(0);
136 for(int i = 1; i < maxXCount + 1; ++ i)
137 axisX->append("timer" + QString::number(i), i);
138
139 QValueAxis* axisY = new QValueAxis();
140 axisY->setRange(0, maxYCount);
141 axisY->setTitleText("存量");
142 axisY->setLabelFormat("%d");
143 QScatterSeries* seatter = new QScatterSeries();
144 for(int i = 1;i < maxXCount + 1; ++i)
145 seatter->append(i - 0.5, i * 1000);
146 seatter->setPen(QPen(Qt::NoPen));
147 seatter->setColor(QColor(250, 220, 0));
148 // 设置散点大小
149 seatter->setMarkerSize(25);
150 // 设置散点样式
151 // seatter->setMarkerShape(QScatterSeries::MarkerShapeRectangle);
152 seatter->setName("存量");
153 // 显示设定点的坐标值
154 seatter->setPointLabelsFormat("(@xPoint, @yPoint)");
155 seatter->setPointLabelsVisible(true);
156
159 seatterChart->addSeries(seatter);
157 seatter->attachAxis(axisX); 158 seatter->attachAxis(axisY);160 seatterChart->setAxisX(axisX, seatter); 161 seatterChart->setAxisY(axisY, seatter); 162 163 return seatterChart; 164 } 165 166 void WarehouseInputOrOutput::initData() 167 { 168 QChart* barChart = new QChart(); 169 barChart = setBarData(); 170 QChartView* showChart = new QChartView(barChart); 171 172 QChart* seatterChart = new QChart(); 173 seatterChart = setSeatterData(); 174 QChartView* showSeatter = new QChartView(seatterChart); 175 176 QGridLayout* gridLayout = new QGridLayout(); 177 gridLayout->addWidget(showSeatter, 1, 0); 178 gridLayout->addWidget(showChart, 2, 0); 179 resize(820, 600); 180 ui->centralWidget->setLayout(gridLayout); 181 182 return; 183 }
mian.cpp
1 #include "warehouseinputoroutput.h"
2 #include <QApplication>
3
4 int main(int argc, char *argv[])
5 {
6 QApplication a(argc, argv);
7 WarehouseInputOrOutput w;
8 w.show();
9
10 return a.exec();
11 }
159 seatterChart->addSeries(seatter);
