Chart图形 [GDI+] OWCChart统计图的封装类 （转载）

点击下载 OWCChart.zip

利用OWC11进行作统计图的封装类。

/// <summary>

/// 类说明：进行作统计图的封装类

/// 联系方式：361983679

/// 更新网站：[url=http://www.cckan.net/thread-655-1-1.html]http://www.cckan.net/thread-655-1-1.html[/url]

/// </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[].ToString() + '\t');

            }

            return strList.ToString();

        }

        private string GetValueStr(DataTable dt)

        {

            StringBuilder strList = new StringBuilder();

            foreach (DataRow r in dt.Rows)

            {

                strList.Append(r[].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();//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[].HasTitle = true;

            objChart.Axes[].Title.Caption = "X ： 类别";

            objChart.Axes[].HasTitle = true;

            objChart.Axes[].Title.Caption = "Y ： 数量";

            //添加一个series

            Microsoft.Office.Interop.Owc11.ChSeries ThisChSeries = objChart.SeriesCollection.Add();

            //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[].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();//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();

            //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[].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();//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[].HasTitle = true;

            objChart.Axes[].Title.Caption = "X ： 类别";

            objChart.Axes[].HasTitle = true;

            objChart.Axes[].Title.Caption = "Y ： 数量";

            //添加一个series

            Microsoft.Office.Interop.Owc11.ChSeries ThisChSeries = objChart.SeriesCollection.Add();

            //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[].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;

        }

    }

}