OWC控件的使用学习札记（三）

using Microsoft.Office.Interop.Owc11;

private void MakeLineChart()

{

//Y坐标轴

string[] DataName = { "星期一", "星期二", "星期三", "星期四", "星期五", "星期六", "星期日" };

//第一条曲线的数据

int[] Data = { 0, 10, 20, 100, 40, 50, 60 };

//第二条曲线的数据

int[] Data1 = { 100, 50, 41, 86 };

//第三条曲线的数据

int[] Data2 = { 10, 50, 100, 30, 50, 60 };

string strValue1 = "";

string strValue = "";

string strValue2 = "";

string strCateory = "";

//循环取得数据并格式化为OWC10需要的格式,(加'\t')

for (int i = 0; i < DataName.Length; i++)

{

strCateory += DataName[i] + '\t';

}

for (int i = 0; i < Data.Length; i++)

{

strValue += Data[i].ToString() + '\t';

}

for (int i = 0; i < Data1.Length; i++)

{

strValue1 += Data1[i].ToString() + '\t';

}

for (int i = 0; i < Data2.Length; i++)

{

strValue2 += Data2[i].ToString() + '\t';

}

OWC10.ChartSpaceClass mySpace = new OWC10.ChartSpaceClass();//创建ChartSpace对象来放置图表

OWC10.ChChart myChart = mySpace.Charts.Add(0);//在ChartSpace对象中添加图表,Add方法返回chart对象

myChart.Type = OWC10.ChartChartTypeEnum.chChartTypeColumnClustered;//指定图表的类型为线性图

myChart.HasLegend = true;//指定图表是否需要图例

myChart.HasTitle = true;//给定标题

myChart.Title.Caption = "交易曲线图"; //图表名称

//给定X\Y轴的图示说明

myChart.Axes[0].HasTitle = true;

myChart.Axes[0].Title.Caption = "数量"; //横轴名称

myChart.Axes[1].HasTitle = true;

myChart.Axes[1].Title.Caption = "日期"; //纵轴名称

//添加一个series(序列)

myChart.SeriesCollection.Add(0);

//给定series的名字

myChart.SeriesCollection[0].SetData(OWC10.ChartDimensionsEnum.chDimSeriesNames, (int)OWC10.ChartSpecialDataSourcesEnum.chDataLiteral, "购买");

//给定series的分类

myChart.SeriesCollection[0].SetData(OWC10.ChartDimensionsEnum.chDimCategories, (int)OWC10.ChartSpecialDataSourcesEnum.chDataLiteral, strCateory);

//给定具体值

myChart.SeriesCollection[0].SetData(OWC10.ChartDimensionsEnum.chDimValues, (int)OWC10.ChartSpecialDataSourcesEnum.chDataLiteral, strValue);

//添加一个series

myChart.SeriesCollection.Add(1);

//给定series的名字

myChart.SeriesCollection[1].SetData(OWC10.ChartDimensionsEnum.chDimSeriesNames, (int)OWC10.ChartSpecialDataSourcesEnum.chDataLiteral, "出售");

//给定series的分类

myChart.SeriesCollection[1].SetData(OWC10.ChartDimensionsEnum.chDimCategories, (int)OWC10.ChartSpecialDataSourcesEnum.chDataLiteral, strCateory);

//给定具体值

myChart.SeriesCollection[1].SetData(OWC10.ChartDimensionsEnum.chDimValues, (int)OWC10.ChartSpecialDataSourcesEnum.chDataLiteral, strValue1);

//添加一个series

myChart.SeriesCollection.Add(2);

//给定series的名字

myChart.SeriesCollection[2].SetData(OWC10.ChartDimensionsEnum.chDimSeriesNames, (int)OWC10.ChartSpecialDataSourcesEnum.chDataLiteral, "总成交");

//给定series的分类

myChart.SeriesCollection[2].SetData(OWC10.ChartDimensionsEnum.chDimCategories, (int)OWC10.ChartSpecialDataSourcesEnum.chDataLiteral, strCateory);

//给定具体值

myChart.SeriesCollection[2].SetData(OWC10.ChartDimensionsEnum.chDimValues, (int)OWC10.ChartSpecialDataSourcesEnum.chDataLiteral, strValue2);

//输出成GIF文件

string strAbsolutePath = (Server.MapPath(".")) + @"\Images\tempChart.gif";

Response.Write(strAbsolutePath);

mySpace.ExportPicture(strAbsolutePath, "GIF", 300, 300); //输出图表

//创建GIF文件的相对路径

string strRelativePath = "Images/tempChart.gif";

//把图片添加到Image

Image1.ImageUrl = strRelativePath;
}

}

}