用dotnetCHARTING 制作柱形图,折线图和圆饼图

最近由于项目需要,要做几个统计图. 网上找了找发现了ZedGraph控件和dotnetCHARTIN控件.

ZedGraph: 支持winform和webform。支持可视化设计,并且最主要他是开源的.

dotnetCHARTIN:需要到网上找破解版的 下载地址:http://files.cnblogs.com/xiaogangqq123/dotnetcharting.rar

　　网上说dotnetCHARTIN这个控件比较耗费性能.并且支持二维和三维.ZedGraph控件开源.扩展性强,但是只支持二维图形.性能较好.

由于项目需要三维的 所以选择了dotnetCHARTIN这个.通过几次反复测试.感觉dotnetCHARTIN性能还行.当然是在理想情况下.

由于网上dotnetCHARTIN资料较少.看了下帮助文档..自己做了个Demo分别对10条线一万条数据和10条10万条数据做了个初步测试.

1万条:生成图片速度大概在2秒到5秒;

10万条:速度估计在5秒-10秒之间 ，

大体是这个样子.贴出代码:

C#代码

public class Charting
{
#region 共有变量

/// <summary>
/// 图片存放路径
/// </summary>
public string PhaysicalImagePath { get ; set ; }

/// <summary>
/// 标题
/// </summary>
public string Title { get ; set ; }

/// <summary>
/// X轴名称
/// </summary>
public string XName { get ; set ; }

/// <summary>
/// Y轴名称
/// </summary>
public string YName { get ; set ; }

/// <summary>
/// 图例名称
/// </summary>
public string SeriseName { get ; set ; }

/// <summary>
/// 宽度
/// </summary>
public int SeriseWidth { get ; set ; }

/// <summary>
/// 高度
/// </summary>
public int SeriseHeight { get ; set ; }

/// <summary>
/// 数据源
/// </summary>
public DataTable DataSoure { get ; set ; }

public bool IsUse3D { get ; set ; }

public CharType type { get ; set ; }
#endregion

public Charting() { }

/// <summary>
/// 柱形图
/// </summary>
/// <returns></returns>
public void CreateCombo(dotnetCHARTING.Chart Chart1)
{
Chart1.Title = Title;
Chart1.XAxis.Label.Text = XName;
Chart1.YAxis.Label.Text = this .YName;
Chart1.TempDirectory = this .PhaysicalImagePath;
Chart1.Width = this .SeriseWidth;
Chart1.Height = this .SeriseHeight;
Chart1.Type = ChartType.Combo;

Chart1.Series.Type = SeriesType.Cylinder;
Chart1.Series.Name = this .SeriseName;
Chart1.Series.Data = this .DataSoure;
Chart1.SeriesCollection.Add();
Chart1.DefaultSeries.DefaultElement.ShowValue = true ;
Chart1.ShadingEffect = true ;
Chart1.Use3D = IsUse3D;
Chart1.Series.DefaultElement.ShowValue = true ;
}

/// <summary>
/// 饼图
/// </summary>
/// <returns></returns>
public void CreatePie(dotnetCHARTING.Chart Chart1)
{
Chart1.Title = Title;
Chart1.XAxis.Label.Text = XName;
Chart1.YAxis.Label.Text = this .YName;
Chart1.TempDirectory = this .PhaysicalImagePath;
Chart1.Width = this .SeriseWidth;
Chart1.Height = this .SeriseHeight;
Chart1.Type = ChartType.Pie;
Chart1.Series.Type = SeriesType.Cylinder;
Chart1.Series.Name = this .SeriseName;
Chart1.ShadingEffect = true ;
Chart1.Use3D = IsUse3D;
Chart1.DefaultSeries.DefaultElement.Transparency = 20 ;
Chart1.DefaultSeries.DefaultElement.ShowValue = true ;
Chart1.PieLabelMode = PieLabelMode.Outside;
Chart1.SeriesCollection.Add(getArrayData());
Chart1.Series.DefaultElement.ShowValue = true ;
}

private SeriesCollection getArrayData()
{
SeriesCollection SC = new SeriesCollection();
DataTable dt = this .DataSoure;
for ( int i = 0 ; i < dt.Rows.Count; i ++ )
{
Series s = new Series();
s.Name = dt.Rows[i][ 0 ].ToString();

Element e = new Element();

// 每元素的名称
e.Name = dt.Rows[i][ 0 ].ToString();

// 每元素的大小数值
e.YValue = Convert.ToDouble(dt.Rows[i][ 1 ].ToString());

s.Elements.Add(e);
SC.Add(s);
}
return SC;

}

/// <summary>
/// 曲线图
/// </summary>
/// <returns></returns>
public void CreateLine(dotnetCHARTING.Chart Chart1)
{
Chart1.Title = Title;
Chart1.XAxis.Label.Text = XName;
Chart1.YAxis.Label.Text = this .YName;
Chart1.TempDirectory = this .PhaysicalImagePath;
Chart1.Width = this .SeriseWidth;
Chart1.Height = this .SeriseHeight;

Chart1.Type = ChartType.Combo;
// 此处一定要用DefaultSeries.Type = SeriesType.Line 否则没效果
Chart1.DefaultSeries.Type = SeriesType.Line;
Chart1.Series.Name = this .SeriseName;
Chart1.Series.Data = this .DataSoure;

Chart1.SeriesCollection.Add();

Chart1.DefaultSeries.DefaultElement.ShowValue = true ;
Chart1.ShadingEffect = false ;
Chart1.Use3D = IsUse3D;
Chart1.Series.DefaultElement.ShowValue = true ;
}
}

前台调用Code:

代码

Charting ch = new Charting();
ch.Title = " 统计 " ;
ch.XName = " 国家 " ;
ch.YName = " 数量(亿) " ;
ch.SeriseName = " Num " ;
ch.SeriseHeight = 500 ;
ch.SeriseWidth = 1240 ;
ch.PhaysicalImagePath = " temp " ;
ch.DataSoure = GetData.GetTablePie();
ch.IsUse3D = true ;
// 创建图形，Chart1页面dotnetChartin的控件ID
ch.CreatePie(Chart1);

如果有多条数据(也就是有多条线),比如柱形图和折线图 可以多次调用CreateLine(),CreateCombo()并制定不用的数据源.和SeriseName

效果图:

折线图:

柱状图:

圆饼图:

都是一些测试数据..大家看起来图形比较乱.主要我用的数据量很大.这个是10万多条吧..实际上统计用不了这么多.

我也是为了测试下这么数据生成图片的性能如何.

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