private void createStaPie()
{
DataTable dt = new DataTable();
dt.Columns.Add("序号", typeof(int));
dt.Columns.Add("损失评估类型");
dt.Columns.Add("评估值(元)", typeof(decimal));
dt.Rows.Add(new object[] { 1, "海水养殖业", MainForm.breeding_num });
dt.Rows.Add(new object[] { 2, "滨海旅游业", MainForm.tourism_num });
dt.Rows.Add(new object[] { 3, "赤潮应急监测", MainForm.monitoring_num });
dt.Rows.Add(new object[] { 4, "赤潮处置", MainForm.disposing_num });
Series sr = new Series("评估值", ViewType.Pie);
//绑定数据源
sr.DataSource = dt.DefaultView; //newdtb是获取到的数据(可以是数据库中的表，也可以是DataTable)
sr.ArgumentDataMember = "损失评估类型"; //绑定的文字信息（名称）(坐标横轴)
sr.ValueDataMembers[0] = "评估值(元)"; //绑定的值（数据）(坐标纵轴)
sr.ArgumentScaleType = ScaleType.Qualitative; //定性的
sr.ValueScaleType = ScaleType.Numerical; //数字类型
sr.LegendPointOptions.PointView = PointView.Argument; //显示表示的信息和数据
sr.LegendPointOptions.ValueNumericOptions.Format = NumericFormat.Percent; //用百分比表示
sr.LegendText = "图例";
sr.Label.PointOptions.PointView = PointView.ArgumentAndValues; // 设置Label显示方式
//sr.ToolTipPointPattern = "hello world"; // 自定义ToolTip显示
sr.ToolTipEnabled = DevExpress.Utils.DefaultBoolean.True; // 设置鼠标悬浮显示toolTip
//sr.Label.PointOptions.ValueNumericOptions.Format = NumericFormat.FixedPoint;
//sr.ValueScaleType = ScaleType.Numerical;
//sr.Label.PointOptions.ValueNumericOptions.Precision = 2;
//样式
//sr.View.Color = Color.Red;//颜色
//添加到统计图上
chartControl2.Series.Add(sr);
//图例设置
SimpleDiagram3D diagram = new SimpleDiagram3D();
diagram.RuntimeRotation = true;
diagram.RuntimeScrolling = true;
diagram.RuntimeZooming = true;
//设置图表标题
ChartTitle ct = new ChartTitle();
ct.Text = "赤潮灾害损失评估统计（饼图）";
ct.TextColor = Color.Black; //颜色
ct.Font = new Font("宋体", 15, FontStyle.Bold); //字体
ct.Dock = ChartTitleDockStyle.Top; //停靠在上方
ct.Alignment = StringAlignment.Center; //居中显示
chartControl2.Titles.Add(ct);
chartControl2.Legend.Visible = false; //不现实指示图
}
private void CreateChart(DataTable dt, DataTable dt2)
{
#region Chart control 1
//Assign data source to series
series1.DataSource = dt;
series2.DataSource = dt;
series3.DataSource = dt;
series4.DataSource = dt;
// Specify data members to bind the series.
//series.ArgumentScaleType = ScaleType.Numerical;
series1.ArgumentDataMember = "att_date";
series1.ValueScaleType = ScaleType.Numerical;
series1.ValueDataMembers.AddRange(new string[] { "total" });
series2.ArgumentDataMember = "att_date";
series2.ValueScaleType = ScaleType.Numerical;
series2.ValueDataMembers.AddRange(new string[] { "absent" });
series3.ArgumentDataMember = "att_date";
series3.ValueScaleType = ScaleType.Numerical;
series3.ValueDataMembers.AddRange(new string[] { "running_total" });
series4.ArgumentDataMember = "att_date";
series4.ValueScaleType = ScaleType.Numerical;
series4.ValueDataMembers.AddRange(new string[] { "absent_rate" });
#endregion
#region Chart control 2
chartControl2.Series.Clear();
seriesPie.Points.Clear();
seriesPie.Points.Add(new SeriesPoint("Nghỉ phát sinh( " + dt2.Rows[0]["A02"].ToString() + " )", Convert.ToInt64(dt2.Rows[0]["A02"])));
seriesPie.Points.Add(new SeriesPoint("Nghỉ nửa ngày( " + dt2.Rows[0]["A03"].ToString() + " )", Convert.ToInt64(dt2.Rows[0]["A03"])));
seriesPie.Points.Add(new SeriesPoint("Việc riêng không lương( " + dt2.Rows[0]["A04"].ToString() + " )", Convert.ToInt64(dt2.Rows[0]["A04"])));
seriesPie.Points.Add(new SeriesPoint("Nghỉ thai sản( " + dt2.Rows[0]["A05"].ToString() + " )", Convert.ToInt64(dt2.Rows[0]["A05"])));
seriesPie.Points.Add(new SeriesPoint("Nghỉ phép năm( " + dt2.Rows[0]["A06"].ToString() + " )", Convert.ToInt64(dt2.Rows[0]["A06"])));
seriesPie.Points.Add(new SeriesPoint("Nghỉ đào tạo( " + dt2.Rows[0]["A09"].ToString() + " )", Convert.ToInt64(dt2.Rows[0]["A09"])));
seriesPie.Points.Add(new SeriesPoint("Nghỉ công tác( " + dt2.Rows[0]["A10"].ToString() + " )", Convert.ToInt64(dt2.Rows[0]["A10"])));
// Add the series to the chart.
chartControl2.Series.Add(seriesPie);
// Adjust the value numeric options of the series.
seriesPie.PointOptions.ValueNumericOptions.Format = NumericFormat.Percent;
seriesPie.PointOptions.ValueNumericOptions.Precision = 0;
// Adjust the view-type-specific options of the series.
((Pie3DSeriesView)seriesPie.View).Depth = 15;
((Pie3DSeriesView)seriesPie.View).ExplodedPoints.Add(seriesPie.Points[PointName(dt2)]);
((Pie3DSeriesView)seriesPie.View).ExplodedDistancePercentage = 30;
//// Access the diagram's options.
//((SimpleDiagram3D)chartControl2.Diagram).RotationType = RotationType.UseAngles;
//((SimpleDiagram3D)chartControl2.Diagram).RotationAngleX = -35;
// Cast Diagram to the SimpleDiagram3D type.
SimpleDiagram3D diagram3D = chartControl2.Diagram as SimpleDiagram3D;
if (diagram3D != null)
{
diagram3D.RuntimeRotation = true;
diagram3D.RuntimeZooming = true;
diagram3D.ZoomingOptions.UseMouseWheel = true;
}
// Control legend & position
chartControl2.Legend.Visibility = DevExpress.Utils.DefaultBoolean.True;
chartControl2.Legend.AlignmentHorizontal = LegendAlignmentHorizontal.Center;
chartControl2.Legend.AlignmentVertical = LegendAlignmentVertical.BottomOutside;
chartControl2.Legend.Direction = LegendDirection.LeftToRight;
seriesPie.LegendPointOptions.PointView = PointView.Argument;
//chartControl2.Legend.Direction = LegendDirection.LeftToRight;
chartControl2.Legend.EquallySpacedItems = true;
#endregion
}
