asp.net 开源制图组件（1） ZedGraph
asp.net 开源制图组件（1） ZedGraph
asp.net 开源制图组件（1） ZedGraph.resource
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using
System;
using
System.Data;
using
System.Drawing;
using
System.Text;
using
ZedGraph;
using
Zhx.Co2.DAL.Utils;
using
ZhxC02Sys.Model;
namespace
ZhxC02Sys.Utils
{
public
enum
EnumDateType
{
年, 月
}
public
enum
AnalyticsType
{
Line,
//
折线图
Line2,
//
带阴影区域的折线图
Curve,
//
带星的折线图
Curve2,
//
带阴影区域的星行折线图
Bar,
//
柱状图
Graph,
Pie
//
饼图
};
public
class
ZhxUtilChart
{
const
double
offset
=
1.0
;
#region
OWC10
/*
/// <summary>
/// 线状
/// </summary>
public static Image ShowChar(EnumDateType enumDT, string topTitle, string leftTitle,
string bottomTitle, ChartChartTypeEnum charTypeEnum, DataTable dataSource)
{
#region 设置画布
//创建ChartSpace对象来放置图表
ChartSpace mySpace = new ChartSpaceClass();
//在ChartSpace对象中添加图表，Add方法返回chart对象
ChChart myChart = mySpace.Charts.Add(0);
//设置边框
mySpace.Border.Color = "white";
//图例
myChart.HasLegend = true;
//给定标题
myChart.HasTitle = true;
myChart.Title.Font.Name = "宋体";
myChart.Title.Font.Size = 9;
myChart.Title.Position = ChartTitlePositionEnum.chTitlePositionTop;
myChart.Title.Caption = topTitle;
//设定图例文字
myChart.Legend.Position = ChartLegendPositionEnum.chLegendPositionBottom;
myChart.Legend.Font.Name = "宋体";
myChart.Legend.Font.Size = 9;
//设置背景色
myChart.PlotArea.Interior.Color = "white";
myChart.PlotArea.Border.Color = "#b5cae1";
//设置图表的X坐标
myChart.Axes[0].Font.Name = "宋体";
myChart.Axes[0].Font.Size = 8;
myChart.Axes[0].HasTitle = true;
myChart.Axes[0].Title.Font.Name = "宋体";
myChart.Axes[0].Title.Font.Size = 9;
myChart.Axes[0].Title.Caption = bottomTitle;
myChart.Axes[0].Font.Color = "#282727"; //lxj X轴字体颜色
myChart.Axes[0].Line.Color = "#b6cbe8"; //lxj X轴颜色
myChart.Axes[0].HasMajorGridlines = true; //lxj 显示X轴网格线
myChart.Axes[0].MajorGridlines.Line.Color = "#b5cae1";//lxj X轴网格线颜色
//设置图表的Y坐标
myChart.Axes[1].Font.Name = "Arial";
myChart.Axes[1].Font.Size = 7;
myChart.Axes[1].HasTitle = true;
myChart.Axes[1].Title.Font.Name = "宋体";
myChart.Axes[1].Title.Font.Size = 9;
myChart.Axes[1].Title.Caption = leftTitle;
myChart.Axes[1].Font.Color = "#282727"; //lxj Y轴字体颜色
myChart.Axes[1].Line.Color = "#b6cbe8"; //lxj Y轴颜色
myChart.Axes[1].MajorGridlines.Line.Color = "#b5cae1";//Y轴网格线颜色
#endregion 设置画布
myChart.Type = charTypeEnum;//ChartChartTypeEnum.chChartTypeLineMarkers;
int itmp = 0;
string strValueX = ValueStrX(dataSource, enumDT);
//给系列命名
string Temp = "";
#region 跟据产品的价格生成相应的线
for (int i = 0; i < itmp; i++)
{
string strValueY = ValueStrY(dataSource);
Temp = "co2";
//添加图表系列
myChart.SeriesCollection.Add(i);
myChart.SeriesCollection[i].SetData(ChartDimensionsEnum.chDimSeriesNames, (int)(ChartSpecialDataSourcesEnum.chDataLiteral), Temp);
//给系列分组
myChart.SeriesCollection[i].SetData(ChartDimensionsEnum.chDimCategories, (int)(ChartSpecialDataSourcesEnum.chDataLiteral), strValueX);
//给系列各分组赋值
myChart.SeriesCollection[i].SetData(ChartDimensionsEnum.chDimValues, (int)(ChartSpecialDataSourcesEnum.chDataLiteral), strValueY);
//指定各系列的属性
string colortmp = "#000066";
myChart.SeriesCollection[i].Line.Color = colortmp;
myChart.SeriesCollection[i].Interior.Color = colortmp;
myChart.SeriesCollection[i].Marker.Size = 5;
myChart.SeriesCollection[i].Marker.Style = ChartMarkerStyleEnum.chMarkerStyleCircle;
}
#endregion 跟据产品的价格生成相应的线
int width = 550, height = 450;
//byte[] pic = (byte[])mySpace.GetPicture("GIF", width, height);
Image pic = (Image)mySpace.GetPicture("GIF", width, height);
//mySpace.ExportPicture(
mySpace.Clear();
mySpace.ClearUndo();
mySpace = null;
return pic;
}
/// <summary>
/// ex:
/// select * from Zhx_Global_Times_N2O;
///
/// </summary>
/// <param name="dttmp"></param>
/// <returns></returns>
protected static string ValueStrY(DataTable dt)
{
StringBuilder sb = new StringBuilder();
try
{
foreach (DataRow dr in dt.Rows)
{
string sv = dr["sumvalue"].ToString();
if (string.IsNullOrEmpty(sv) || sv == "0")
{
sb.Append(",0");
}
else
{
sb.AppendFormat(",{0}", sv);
}
}
}
catch (Exception ex)
{
throw ex;
}
return sb.ToString().TrimStart(new char[] { ',' });
}
/// <summary>
/// 生成以逗号分隔的日期字符串
/// </summary>
/// <returns>逗号分隔的字符串</returns>
protected static string ValueStrX(DataTable dt, EnumDateType edt)
{
StringBuilder sb = new StringBuilder();
try
{
foreach (DataRow dr in dt.Rows)
{
string writeTime = dr["writeTime"].ToString();
switch (edt)
{
case EnumDateType.月:
string yy = DateTime.Parse(writeTime).ToString("YY");
string mm = DateTime.Parse(writeTime).ToString("MM");
sb.AppendFormat("{0}.{1}", yy, mm);
break;
case EnumDateType.年:
yy = DateTime.Parse(writeTime).ToString("YYYY");
sb.AppendFormat("{0},", yy);
break;
}
}
}
catch (Exception ex)
{
throw ex;
}
return sb.ToString().TrimEnd(new char[] { ',' });
}
*/
#endregion
OWC10
#region
ZedGraph
///
<summary>
///
ex:
///
select * from Zhx_Global_Times_N2O;
///
///
</summary>
///
<param name="dttmp"></param>
///
<returns></returns>
protected
static
string
ValueStrY(DataTable dt)
{
StringBuilder sb
=
new
StringBuilder();
try
{
foreach
(DataRow dr
in
dt.Rows)
{
string
sv
=
dr[
"
sumvalue
"
].ToString();
if
(
string
.IsNullOrEmpty(sv)
||
sv
==
"
0
"
)
{
sb.Append(
"
,0
"
);
}
else
{
sb.AppendFormat(
"
,{0}
"
, sv);
}
}
}
catch
(Exception ex)
{
ZhxLog.writeLog(ex.ToString());
}
return
sb.ToString().TrimStart(
new
char
[] {
'
,
'
});
}
///
<summary>
///
生成以逗号分隔的日期字符串
///
</summary>
///
<returns>
逗号分隔的字符串
</returns>
protected
static
string
ValueStrX(DataTable dt, EnumDateType edt)
{
StringBuilder sb
=
new
StringBuilder();
try
{
foreach
(DataRow dr
in
dt.Rows)
{
string
writeTime
=
string
.Empty;
switch
(edt)
{
case
EnumDateType.月:
writeTime
=
dr[
"
writeTime
"
].ToString();
string
yy
=
DateTime.Parse(writeTime).ToString(
"
yyyy
"
);
string
mm
=
DateTime.Parse(writeTime).ToString(
"
MM
"
);
sb.AppendFormat(
"
{0}.{1},
"
, yy, mm);
break
;
case
EnumDateType.年:
writeTime
=
dr[
"
wt
"
].ToString();
yy
=
writeTime;
sb.AppendFormat(
"
{0},
"
, yy);
break
;
}
}
}
catch
(Exception ex)
{
ZhxLog.writeLog(ex.ToString());
}
return
sb.ToString().TrimEnd(
new
char
[] {
'
,
'
});
}
//
Call this method from the Form_Load method, passing your ZedGraphControl
public
void
CreateChart(ZedGraphControl zgc)
{
GraphPane myPane
=
zgc.GraphPane;
//
Set the title and axis labels
myPane.Title.Text
=
"
Horizontal Bars with Value Labels Above Each Bar
"
;
myPane.XAxis.Title.Text
=
"
Some Random Thing
"
;
myPane.YAxis.Title.Text
=
"
Position Number
"
;
//
Create data points for three BarItems using Random data
PointPairList list
=
new
PointPairList();
PointPairList list2
=
new
PointPairList();
PointPairList list3
=
new
PointPairList();
Random rand
=
new
Random();
for
(
int
i
=
0
; i
<
4
; i
++
)
{
double
y
=
(
double
)i
+
5
;
double
x
=
rand.NextDouble()
*
1000
;
double
x2
=
rand.NextDouble()
*
1000
;
double
x3
=
rand.NextDouble()
*
1000
;
list.Add(x, y);
list2.Add(x2, y);
list3.Add(x3, y);
}
//
Create the three BarItems, change the fill properties so the angle is at 90
//
degrees for horizontal bars
BarItem myCurve
=
myPane.AddBar(
"
curve 1
"
, list, Color.Blue);
myCurve.Bar.Fill
=
new
Fill(Color.Blue, Color.White, Color.Blue,
90
);
BarItem myCurve2
=
myPane.AddBar(
"
curve 2
"
, list2, Color.Red);
myCurve2.Bar.Fill
=
new
Fill(Color.Red, Color.White, Color.Red,
90
);
BarItem myCurve3
=
myPane.AddBar(
"
curve 3
"
, list3, Color.Green);
myCurve3.Bar.Fill
=
new
Fill(Color.Green, Color.White, Color.Green,
90
);
//
Set BarBase to the YAxis for horizontal bars
myPane.BarSettings.Base
=
BarBase.Y;
//
Fill the chart background with a color gradient
myPane.Chart.Fill
=
new
Fill(Color.White,
Color.FromArgb(
255
,
255
,
166
),
45.0F
);
zgc.AxisChange();
//
Create TextObj's to provide labels for each bar
BarItem.CreateBarLabels(myPane,
false
,
"
f0
"
);
}
public
static
void
ShowCharNO2(User user, EnumDateType enumDateType,
string
topTitle,
string
xTitle,
string
yTitle, DataTable dt_Zhx_N20_Sum, ZedGraph.ZedGraphControl zg1
,
string
charType)
{
zg1.GraphPane.CurveList.Clear();
zg1.GraphPane.GraphObjList.Clear();
GraphPane myPane
=
zg1.GraphPane;
//
Set the titles and axis labels
myPane.Title.Text
=
topTitle;
myPane.XAxis.Title.Text
=
xTitle;
myPane.YAxis.Title.Text
=
yTitle;
//
Make up some data points from the Sine function
PointPairList list
=
new
PointPairList();
string
[] strXs
=
ValueStrX(dt_Zhx_N20_Sum, enumDateType).Split(
'
,
'
);
for
(
int
i
=
0
; i
<
dt_Zhx_N20_Sum.Rows.Count; i
++
)
{
string
y
=
string
.Empty;
if
(enumDateType
==
EnumDateType.年)
{
y
=
dt_Zhx_N20_Sum.Rows[i][
"
sv
"
].ToString();
}
else
{
y
=
dt_Zhx_N20_Sum.Rows[i][
"
sumvalue
"
].ToString();
}
if
(
string
.IsNullOrEmpty(y))
{
y
=
"
0
"
;
}
list.Add(i,
double
.Parse(y));
}
myPane.XAxis.Scale.TextLabels
=
strXs;
myPane.XAxis.Type
=
AxisType.Text;
switch
(charType)
{
case
"
曲线图
"
:
//
Generate a blue curve with circle symbols, and "My Curve 2" in the legend
LineItem myCurve
=
myPane.AddCurve(
"
值
"
, list, Color.Blue, SymbolType.Default);
//
Fill the area under the curve with a white-red gradient at 45 degrees
myCurve.Line.Fill
=
new
Fill(Color.White, Color.White, 1F);
//
Make the symbols opaque by filling them with white
myCurve.Symbol.Fill
=
new
Fill(Color.White);
//
Fill the axis background with a color gradient
//
myPane.Chart.Fill = new Fill(Color.White, Color.LightGoldenrodYellow, 45F);
//
Fill the pane background with a color gradient
myPane.Fill
=
new
Fill(Color.White, Color.FromArgb(
220
,
220
,
255
), 45F);
//
Calculate the Axis Scale Ranges
for
(
int
i
=
0
; i
<
list.Count; i
++
)
{
//
Get the pointpair
PointPair pt
=
myCurve.Points[i];
//
Create a text label from the Y data value
TextObj text
=
new
TextObj(pt.Y.ToString(
"
0.000
"
), pt.X
+
offset, pt.Y, CoordType.AxisXYScale, AlignH.Right, AlignV.Top);
text.ZOrder
=
ZOrder.A_InFront;
//
Hide the border and the fill
text.FontSpec.FontColor
=
Color.Red;
text.FontSpec.Border.IsVisible
=
false
;
text.FontSpec.Fill.IsVisible
=
false
;
//
text.FontSpec.Fill = new Fill( Color.FromArgb( 100, Color.White ) );
//
Rotate the text to 90 degrees
text.FontSpec.Angle
=
0
;
myPane.GraphObjList.Add(text);
}
zg1.AxisChange();
zg1.Refresh();
break
;
case
"
柱状图
"
:
//
Generate a blue curve with circle symbols, and "My Curve 2" in the legend
BarItem bItem
=
myPane.AddBar(
"
值
"
, list, Color.Blue);
//
Fill the area under the curve with a white-red gradient at 45 degrees
bItem.Bar.Fill
=
new
Fill(Color.White, Color.Red, 90F);
//
Make the symbols opaque by filling them with white
//
Fill the axis background with a color gradient
//
myPane.Chart.Fill = new Fill(Color.White, Color.LightGoldenrodYellow, 45F);
//
Fill the pane background with a color gradient
//
Calculate the Axis Scale Ranges
zg1.AxisChange();
BarItem.CreateBarLabels(myPane,
false
,
"
0.000
"
,
""
,
10
, Color.Black,
false
,
false
,
false
);
zg1.Refresh();
break
;
}
}
#endregion
ZedGraph
public
static
void
ShowCharCO2(ZhxC02Sys.Model.User user, EnumDateType ed,
string
topTitle,
string
xValue,
string
yValue, DataTable dt_Zhx_N20_Sum,
ZedGraphControl zg1,
string
charType)
{
zg1.GraphPane.CurveList.Clear();
zg1.GraphPane.GraphObjList.Clear();
GraphPane myPane
=
zg1.GraphPane;
//
Set the titles and axis labels
myPane.Title.Text
=
topTitle;
myPane.XAxis.Title.Text
=
xValue;
myPane.YAxis.Title.Text
=
yValue;
//
Make up some data points from the Sine function
PointPairList list
=
new
PointPairList();
string
[] strXs
=
ValueStrX(dt_Zhx_N20_Sum, ed).Split(
'
,
'
);
for
(
int
i
=
0
; i
<
dt_Zhx_N20_Sum.Rows.Count; i
++
)
{
string
y
=
string
.Empty;
if
(user.rllx
==
"
1
"
)
{
if
(ed
==
EnumDateType.年)
{
y
=
dt_Zhx_N20_Sum.Rows[i][
"
ms
"
].ToString();
}
else
{
y
=
dt_Zhx_N20_Sum.Rows[i][
"
m_S总
"
].ToString();
}
}
else
if
(user.rllx
==
"
2
"
)
{
if
(ed
==
EnumDateType.年)
{
y
=
dt_Zhx_N20_Sum.Rows[i][
"
ts
"
].ToString();
}
else
{
y
=
dt_Zhx_N20_Sum.Rows[i][
"
t_S总
"
].ToString();
}
}
if
(
string
.IsNullOrEmpty(y))
{
y
=
"
0
"
;
}
list.Add(i,
double
.Parse(y));
}
myPane.XAxis.Scale.TextLabels
=
strXs;
myPane.XAxis.Type
=
AxisType.Text;
//
BarItem.CreateBarLabels(myPane, true, "0.00");
//
保留2位小数
switch
(charType)
{
case
"
曲线图
"
:
//
Generate a blue curve with circle symbols, and "My Curve 2" in the legend
LineItem myCurve
=
myPane.AddCurve(
"
值
"
, list, Color.Blue, SymbolType.Default);
//
Fill the area under the curve with a white-red gradient at 45 degrees
myCurve.Line.Fill
=
new
Fill(Color.White, Color.White, 1F);
//
Make the symbols opaque by filling them with white
myCurve.Symbol.Fill
=
new
Fill(Color.White);
//
Fill the axis background with a color gradient
//
myPane.Chart.Fill = new Fill(Color.White, Color.LightGoldenrodYellow, 45F);
//
Fill the pane background with a color gradient
//
myPane.Fill = new Fill(Color.White, Color.FromArgb(220, 220, 255), 45F);
//
Loop to add text labels to the points
for
(
int
i
=
0
; i
<
list.Count; i
++
)
{
//
Get the pointpair
PointPair pt
=
myCurve.Points[i];
//
Create a text label from the Y data value
TextObj text
=
new
TextObj(pt.Y.ToString(
"
0.000
"
), pt.X
+
offset, pt.Y, CoordType.AxisXYScale, AlignH.Right, AlignV.Top);
text.ZOrder
=
ZOrder.A_InFront;
//
Hide the border and the fill
text.FontSpec.FontColor
=
Color.Red;
text.FontSpec.Border.IsVisible
=
false
;
text.FontSpec.Fill.IsVisible
=
false
;
//
text.FontSpec.Fill = new Fill( Color.FromArgb( 100, Color.White ) );
//
Rotate the text to 90 degrees
text.FontSpec.Angle
=
0
;
myPane.GraphObjList.Add(text);
}
//
Leave some extra space on top for the labels to fit within the chart rect
//
myPane.YAxis.Scale.MaxGrace = 0.2;
//
Calculate the Axis Scale Ranges
zg1.AxisChange();
zg1.Refresh();
break
;
case
"
柱状图
"
:
//
Generate a blue curve with circle symbols, and "My Curve 2" in the legend
BarItem bItem
=
myPane.AddBar(
"
值
"
, list, Color.Blue);
//
Fill the area under the curve with a white-red gradient at 45 degrees
bItem.Bar.Fill
=
new
Fill(Color.White, Color.Red, 0F);
//
BarItem.CreateBarLabels(myPane, true, "0.00");
//
保留2位小数
//
Make the symbols opaque by filling them with white
//
Fill the axis background with a color gradient
//
myPane.Chart.Fill = new Fill(Color.White, Color.LightGoldenrodYellow, 45F);
//
Fill the pane background with a color gradient
//
Calculate the Axis Scale Ranges
//
myPane.Chart.Fill = new Fill(Color.White, Color.Black, 45.0F);
//
myPane.BarSettings.Base = BarBase.Y;
zg1.AxisChange();
BarItem.CreateBarLabels(myPane,
false
,
"
0.000
"
,
""
,
10
, Color.Black,
false
,
false
,
false
);
zg1.Refresh();
break
;
}
}
}
}