Chart图形 [GDI+] OWCChart统计图的封装类 （转载）

/// <summary>
/// 类说明：进行作统计图的封装类
/// 联系方式：361983679
/// 更新网站：http://www.cckan.net/thread-655-1-1.html
/// </summary>
using System;
using System.Data;
using System.Text;

namespace DotNet.Utilities
{
/// <summary>
/// 进行作统计图的封装类。
/// </summary>
public class OWCChart
{

#region 属性
private string _phaysicalimagepath;
private string _title;
private string _seriesname;
private int _picwidth;
private int _pichight;
private DataTable _datasource;
private string strCategory;
private string strValue;

public string PhaysicalImagePath
{
set { _phaysicalimagepath = value; }
get { return _phaysicalimagepath; }
}
public string Title
{
set { _title = value; }
get { return _title; }
}
public string SeriesName
{
set { _seriesname = value; }
get { return _seriesname; }
}

public int PicWidth
{
set { _picwidth = value; }
get { return _picwidth; }
}

public int PicHight
{
set { _pichight = value; }
get { return _pichight; }
}
public DataTable DataSource
{
set
{
_datasource = value;
strCategory = GetColumnsStr(_datasource);
strValue = GetValueStr(_datasource);
}
get { return _datasource; }
}

private string GetColumnsStr(System.Data.DataTable dt)
{
StringBuilder strList = new StringBuilder();
foreach (DataRow r in dt.Rows)
{
strList.Append(r[0].ToString() + '\t');
}
return strList.ToString();
}
private string GetValueStr(DataTable dt)
{
StringBuilder strList = new StringBuilder();
foreach (DataRow r in dt.Rows)
{
strList.Append(r[1].ToString() + '\t');
}
return strList.ToString();
}

#endregion

public OWCChart()
{
}
public OWCChart(string PhaysicalImagePath, string Title, string SeriesName)
{
_phaysicalimagepath = PhaysicalImagePath;
_title = Title;
_seriesname = SeriesName;
}

/// <summary>
/// 柱形图
/// </summary>
/// <returns></returns>
public string CreateColumn()
{
Microsoft.Office.Interop.Owc11.ChartSpace objCSpace = new Microsoft.Office.Interop.Owc11.ChartSpaceClass();//创建ChartSpace对象来放置图表
Microsoft.Office.Interop.Owc11.ChChart objChart = objCSpace.Charts.Add(0);//在ChartSpace对象中添加图表，Add方法返回chart对象

//指定图表的类型。类型由OWC.ChartChartTypeEnum枚举值得到//Microsoft.Office.Interop.OWC.ChartChartTypeEnum
objChart.Type = Microsoft.Office.Interop.Owc11.ChartChartTypeEnum.chChartTypeColumnClustered;

//指定图表是否需要图例
objChart.HasLegend = true;

//标题
objChart.HasTitle = true;
objChart.Title.Caption = _title;
//      objChart.Title.Font.Bold=true;
//      objChart.Title.Font.Color="blue";

#region 样式设置

//      //旋转
//      objChart.Rotation  = 360;//表示指定三维图表的旋转角度
//      objChart.Inclination = 10;//表示指定三维图表的视图斜率。有效范围为 -90 到 90

//背景颜色
//      objChart.PlotArea.Interior.Color = "red";

//底座颜色
//      objChart.PlotArea.Floor.Interior.Color = "green";
//
//      objChart.Overlap = 50;//单个类别中标志之间的重叠量

#endregion

//x,y轴的图示说明
objChart.Axes[0].HasTitle = true;
objChart.Axes[0].Title.Caption = "X ： 类别";
objChart.Axes[1].HasTitle = true;
objChart.Axes[1].Title.Caption = "Y ： 数量";

//添加一个series
Microsoft.Office.Interop.Owc11.ChSeries ThisChSeries = objChart.SeriesCollection.Add(0);

//给定series的名字
ThisChSeries.SetData(Microsoft.Office.Interop.Owc11.ChartDimensionsEnum.chDimSeriesNames,
Microsoft.Office.Interop.Owc11.ChartSpecialDataSourcesEnum.chDataLiteral.GetHashCode(), SeriesName);
//给定分类
ThisChSeries.SetData(Microsoft.Office.Interop.Owc11.ChartDimensionsEnum.chDimCategories,
Microsoft.Office.Interop.Owc11.ChartSpecialDataSourcesEnum.chDataLiteral.GetHashCode(), strCategory);
//给定值
ThisChSeries.SetData(Microsoft.Office.Interop.Owc11.ChartDimensionsEnum.chDimValues,
Microsoft.Office.Interop.Owc11.ChartSpecialDataSourcesEnum.chDataLiteral.GetHashCode(), strValue);

Microsoft.Office.Interop.Owc11.ChDataLabels dl = objChart.SeriesCollection[0].DataLabelsCollection.Add();
dl.HasValue = true;
//      dl.Position=Microsoft.Office.Interop.Owc11.ChartDataLabelPositionEnum.chLabelPositionOutsideEnd;

string filename = DateTime.Now.ToString("yyyyMMddHHmmssff") + ".gif";
string strAbsolutePath = _phaysicalimagepath + "\\" + filename;
objCSpace.ExportPicture(strAbsolutePath, "GIF", _picwidth, _pichight);//输出成GIF文件.

return filename;

}

/// <summary>
/// 饼图
/// </summary>
/// <returns></returns>
public string CreatePie()
{
Microsoft.Office.Interop.Owc11.ChartSpace objCSpace = new Microsoft.Office.Interop.Owc11.ChartSpaceClass();//创建ChartSpace对象来放置图表
Microsoft.Office.Interop.Owc11.ChChart objChart = objCSpace.Charts.Add(0);//在ChartSpace对象中添加图表，Add方法返回chart对象

//指定图表的类型
objChart.Type = Microsoft.Office.Interop.Owc11.ChartChartTypeEnum.chChartTypePie;

//指定图表是否需要图例
objChart.HasLegend = true;

//标题
objChart.HasTitle = true;
objChart.Title.Caption = _title;

//添加一个series
Microsoft.Office.Interop.Owc11.ChSeries ThisChSeries = objChart.SeriesCollection.Add(0);

//给定series的名字
ThisChSeries.SetData(Microsoft.Office.Interop.Owc11.ChartDimensionsEnum.chDimSeriesNames,
Microsoft.Office.Interop.Owc11.ChartSpecialDataSourcesEnum.chDataLiteral.GetHashCode(), SeriesName);
//给定分类
ThisChSeries.SetData(Microsoft.Office.Interop.Owc11.ChartDimensionsEnum.chDimCategories,
Microsoft.Office.Interop.Owc11.ChartSpecialDataSourcesEnum.chDataLiteral.GetHashCode(), strCategory);
//给定值
ThisChSeries.SetData(Microsoft.Office.Interop.Owc11.ChartDimensionsEnum.chDimValues,
Microsoft.Office.Interop.Owc11.ChartSpecialDataSourcesEnum.chDataLiteral.GetHashCode(), strValue);

//表示系列或趋势线上的单个数据标志
Microsoft.Office.Interop.Owc11.ChDataLabels dl = objChart.SeriesCollection[0].DataLabelsCollection.Add();
dl.HasValue = true;
dl.HasPercentage = true;
//图表绘图区的图例放置在右侧。
//      dl.Position=Microsoft.Office.Interop.Owc11.ChartDataLabelPositionEnum.chLabelPositionRight;

string filename = DateTime.Now.Ticks.ToString() + ".gif";
string strAbsolutePath = _phaysicalimagepath + "\\" + filename;
objCSpace.ExportPicture(strAbsolutePath, "GIF", _picwidth, _pichight);//输出成GIF文件.

return filename;
}

/// <summary>
/// 条形图
/// </summary>
/// <returns></returns>
public string CreateBar()
{
Microsoft.Office.Interop.Owc11.ChartSpace objCSpace = new Microsoft.Office.Interop.Owc11.ChartSpaceClass();//创建ChartSpace对象来放置图表
Microsoft.Office.Interop.Owc11.ChChart objChart = objCSpace.Charts.Add(0);//在ChartSpace对象中添加图表，Add方法返回chart对象

//指定图表的类型。类型由OWC.ChartChartTypeEnum枚举值得到//Microsoft.Office.Interop.OWC.ChartChartTypeEnum
objChart.Type = Microsoft.Office.Interop.Owc11.ChartChartTypeEnum.chChartTypeBarClustered;

//指定图表是否需要图例
objChart.HasLegend = true;

//标题
objChart.HasTitle = true;
objChart.Title.Caption = _title;
//      objChart.Title.Font.Bold=true;
//      objChart.Title.Font.Color="blue";

#region 样式设置

//      //旋转
//      objChart.Rotation  = 360;//表示指定三维图表的旋转角度
//      objChart.Inclination = 10;//表示指定三维图表的视图斜率。有效范围为 -90 到 90

//背景颜色
//      objChart.PlotArea.Interior.Color = "red";

//底座颜色
//      objChart.PlotArea.Floor.Interior.Color = "green";
//
//      objChart.Overlap = 50;//单个类别中标志之间的重叠量

#endregion

//x,y轴的图示说明
objChart.Axes[0].HasTitle = true;
objChart.Axes[0].Title.Caption = "X ： 类别";
objChart.Axes[1].HasTitle = true;
objChart.Axes[1].Title.Caption = "Y ： 数量";

//添加一个series
Microsoft.Office.Interop.Owc11.ChSeries ThisChSeries = objChart.SeriesCollection.Add(0);

//给定series的名字
ThisChSeries.SetData(Microsoft.Office.Interop.Owc11.ChartDimensionsEnum.chDimSeriesNames,
Microsoft.Office.Interop.Owc11.ChartSpecialDataSourcesEnum.chDataLiteral.GetHashCode(), SeriesName);
//给定分类
ThisChSeries.SetData(Microsoft.Office.Interop.Owc11.ChartDimensionsEnum.chDimCategories,
Microsoft.Office.Interop.Owc11.ChartSpecialDataSourcesEnum.chDataLiteral.GetHashCode(), strCategory);
//给定值
ThisChSeries.SetData(Microsoft.Office.Interop.Owc11.ChartDimensionsEnum.chDimValues,
Microsoft.Office.Interop.Owc11.ChartSpecialDataSourcesEnum.chDataLiteral.GetHashCode(), strValue);

Microsoft.Office.Interop.Owc11.ChDataLabels dl = objChart.SeriesCollection[0].DataLabelsCollection.Add();
dl.HasValue = true;
//      dl.Position=Microsoft.Office.Interop.Owc11.ChartDataLabelPositionEnum.chLabelPositionOutsideEnd;

string filename = DateTime.Now.ToString("yyyyMMddHHmmssff") + ".gif";
string strAbsolutePath = _phaysicalimagepath + "\\" + filename;
objCSpace.ExportPicture(strAbsolutePath, "GIF", _picwidth, _pichight);//输出成GIF文件.

return filename;

}

}
}