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2、注册owc11
在工程中添加 C:\Program Files\Common Files\Microsoft Shared\Web Components\11 文件下的owc11.dll引用
3、在工程中添加
using OWC11;
4、开始coding 举例如下:
public class ChartFactory
{
public ChartFactory()
{
InitTypeMap();
//
// TODO: 在此处添加构造函数逻辑
//
}
protected System.Web.UI.WebControls.Image imgHondaLineup;
private string[] chartCategoriesArr;
private string[] chartValuesArr;
private OWC11.ChartChartTypeEnum chartType = OWC11.ChartChartTypeEnum.chChartTypeColumn3D;//默认值
private static Hashtable chartMap = new Hashtable();
private static string chartTypeCh = "垂直柱状图" ;
private static string chartTitle = "";
private void InitTypeMap()
{
chartMap.Clear();
OWC11.ChartChartTypeEnum[] chartTypes = new OWC11.ChartChartTypeEnum[]{ ChartChartTypeEnum.chChartTypeColumnClustered,
ChartChartTypeEnum.chChartTypeColumn3D,
ChartChartTypeEnum.chChartTypeBarClustered,
ChartChartTypeEnum.chChartTypeBar3D,
ChartChartTypeEnum.chChartTypeArea,
ChartChartTypeEnum.chChartTypeArea3D,
ChartChartTypeEnum.chChartTypeDoughnut,
ChartChartTypeEnum.chChartTypeLineStacked,
ChartChartTypeEnum.chChartTypeLine3D,
ChartChartTypeEnum.chChartTypeLineMarkers,
ChartChartTypeEnum.chChartTypePie,
ChartChartTypeEnum.chChartTypePie3D,
ChartChartTypeEnum.chChartTypeRadarSmoothLine,
ChartChartTypeEnum.chChartTypeSmoothLine};
string[] chartTypesCh = new string [] {"垂直柱状统计图","3D垂直柱状统计图","水平柱状统计图","3D水平柱状统计图","区域统计图","3D区域统计图","中空饼图","折线统计图","3D折线统计图","折线带点统计图","饼图","3D饼图","网状统计图","弧线统计图"};
for(int i=0;i<chartTypes.Length;i++)
{
chartMap.Add(chartTypesCh[i],chartTypes[i]);
}
}
public ChartSpaceClass BuildCharts ()
{
string chartCategoriesStr = String.Join ("\t", chartCategoriesArr);
string chartValuesStr = String.Join ("\t", chartValuesArr);
OWC11.ChartSpaceClass oChartSpace = new OWC11.ChartSpaceClass ();
// ------------------------------------------------------------------------
// Give pie and doughnut charts a legend on the bottom. For the rest of
// them let the control figure it out on its own.
// ------------------------------------------------------------------------
chartType = (ChartChartTypeEnum)chartMap[chartTypeCh];
if (chartType == ChartChartTypeEnum.chChartTypePie ||
chartType == ChartChartTypeEnum.chChartTypePie3D ||
chartType == ChartChartTypeEnum.chChartTypeDoughnut)
{
oChartSpace.HasChartSpaceLegend = true;
oChartSpace.ChartSpaceLegend.Position = ChartLegendPositionEnum.chLegendPositionBottom;
}
oChartSpace.Border.Color = "blue";
oChartSpace.Charts.Add(0);
oChartSpace.Charts[0].HasTitle = true;
oChartSpace.Charts[0].Type = chartType;
oChartSpace.Charts[0].ChartDepth = 125;
oChartSpace.Charts[0].AspectRatio = 80;
oChartSpace.Charts[0].Title.Caption = chartTitle;
oChartSpace.Charts[0].Title.Font.Bold = true;
oChartSpace.Charts[0].SeriesCollection.Add(0);
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection.Add ();
// ------------------------------------------------------------------------
// If you're charting a pie or a variation thereof percentages make a lot
// more sense than values...
// ------------------------------------------------------------------------
if (chartType == ChartChartTypeEnum.chChartTypePie ||
chartType == ChartChartTypeEnum.chChartTypePie3D ||
chartType == ChartChartTypeEnum.chChartTypeDoughnut)
{
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].HasPercentage = true;
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].HasValue = false;
}
// ------------------------------------------------------------------------
// Not so for other chart types where values have more meaning than
// percentages.
// ------------------------------------------------------------------------
else
{
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].HasPercentage = false;
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].HasValue = true;
}
// ------------------------------------------------------------------------
// Plug your own visual bells and whistles here
// ------------------------------------------------------------------------
oChartSpace.Charts[0].SeriesCollection[0].Caption = String.Empty;
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].Font.Name = "verdana";
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].Font.Size = 10;
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].Font.Bold = true;
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].Font.Color = "red";
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].Position = ChartDataLabelPositionEnum.chLabelPositionCenter;
if (chartType == ChartChartTypeEnum.chChartTypeBarClustered ||
chartType == ChartChartTypeEnum.chChartTypeBar3D ||
chartType == ChartChartTypeEnum.chChartTypeColumnClustered ||
chartType == ChartChartTypeEnum.chChartTypeColumn3D)
{
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].Position = ChartDataLabelPositionEnum.chLabelPositionOutsideEnd;
}
oChartSpace.Charts[0].SeriesCollection[0].SetData (OWC11.ChartDimensionsEnum.chDimCategories,
Convert.ToInt32(OWC11.ChartSpecialDataSourcesEnum.chDataLiteral), chartCategoriesStr);
oChartSpace.Charts[0].SeriesCollection[0].SetData (OWC11.ChartDimensionsEnum.chDimValues,
Convert.ToInt32(OWC11.ChartSpecialDataSourcesEnum.chDataLiteral), chartValuesStr);
return oChartSpace;
}
#region 属性设置
public string[] chartCategoriesArrValue
{
get
{
return chartCategoriesArr;
}
set
{
chartCategoriesArr = value;
}
}
public string[] chartValuesArrValue
{
get
{
return chartValuesArr;
}
set
{
chartValuesArr = value;
}
}
public string chartTypeValue
{
get
{
return chartTypeCh;
}
set
{
chartTypeCh = value;
}
}
public string chartTitleValue
{
get
{
return chartTitle;
}
set
{
chartTitle = value;
}
}
#endregion
}
//调用 首先需要在页面上放置一个Image来显示产生的统计图
public void ShowChart()
{
//初始化赋值
chartFactory.chartCategoriesArrValue = chartCategories;
chartFactory.chartValuesArrValue = chartValues;
chartFactory.chartTitleValue = chartTitle;
chartFactory.chartTypeValue = chartType;
OWC11.ChartSpaceClass oChartSpace = chartFactory.BuildCharts();
string path = Server.MapPath(".") + @"\images\Chart.jpeg"; //产生图片并保存 页可以是png gif图片
oChartSpace.ExportPicture(path,"jpeg", 745, 500);
Image1.ImageUrl = path; // 显示统计图
}
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本文来源:vczx 作者:佚名