View Code
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Web.UI.DataVisualization.Charting;
public class MSChartHelpe
{
#region Get { ChartControl || ChartArea || Series } 5-25
private System.Web.UI.DataVisualization.Charting.Chart GetChartControl(
string TableName, string datecreated, System.Web.UI.WebControls.Unit ChartWidth,
System.Web.UI.WebControls.Unit ChartHeight,
Docking LegendDock, bool LegendsEnabled, BorderSkinStyle borderSkinStyle)
{
System.Web.UI.DataVisualization.Charting.Chart chartControl =
new System.Web.UI.DataVisualization.Charting.Chart();
chartControl.RenderType = RenderType.ImageMap;
chartControl.ImageType = ChartImageType.Png;
chartControl.ImageStorageMode = ImageStorageMode.UseHttpHandler;
chartControl.Width = ChartWidth;
chartControl.Height = ChartHeight;
chartControl.Palette = ChartColorPalette.BrightPastel;
chartControl.Legends.Add("Legend1");
chartControl.Legends[0].Enabled = LegendsEnabled;
chartControl.Legends[0].IsTextAutoFit = false;
chartControl.Legends[0].Docking = LegendDock;
chartControl.Legends[0].LegendStyle = LegendStyle.Table;
chartControl.Legends[0].Alignment = StringAlignment.Center;
chartControl.BorderSkin.SkinStyle = borderSkinStyle;
chartControl.BorderColor = System.Drawing.Color.FromArgb(26, 59, 105);
Title t =
new Title(TableName, Docking.Top, new System.Drawing.Font(
"微软雅黑", 10,
System.Drawing.FontStyle.Bold),
System.Drawing.Color.Black
);
Title subTile =
new Title(datecreated, Docking.Top, new System.Drawing.Font(
"微软雅黑", 9,
System.Drawing.FontStyle.Regular),
System.Drawing.Color.FromArgb(26, 59, 105)
);
if (TableName != "")
{
chartControl.Titles.Add(t);
chartControl.ToolTip = TableName;
}
if (datecreated != "")
{
subTile.Text = " 文件生成时间:" + datecreated;
chartControl.Titles.Add(subTile);
}
return chartControl;
}
private ChartArea GetChartArea(string TableName, string XTile,
String Ytile, bool Is3D, double YInterval, double XYInterval)
{
ChartArea cArea = new ChartArea(TableName);
cArea.AxisX.IsLabelAutoFit = false;
cArea.AxisX.LabelAutoFitStyle = LabelAutoFitStyles.IncreaseFont;
cArea.AxisX.LabelAutoFitMaxFontSize = 10;
cArea.AxisX.MajorGrid.Enabled = true;
cArea.AxisY.MajorGrid.Enabled = false;
cArea.AxisX.MajorGrid.LineColor = System.Drawing.ColorTranslator.FromHtml("#e3e3e3");
cArea.AxisY.MajorGrid.LineColor = System.Drawing.ColorTranslator.FromHtml("#e3e3e3");
//直角坐标显示,
cArea.Area3DStyle.IsRightAngleAxes = false;
//是否群集在一起
cArea.Area3DStyle.IsClustered = false;
//外牆寬度
cArea.Area3DStyle.WallWidth = 0;
//转动X轴角度
cArea.Area3DStyle.Inclination = 15;
//是否启用3D显示
cArea.Area3DStyle.Enable3D = Is3D;
//转动Y轴角度
cArea.Area3DStyle.Rotation = 15;
cArea.AxisX.Title = XTile;
cArea.AxisY.Title = Ytile;
cArea.AxisX.LineColor = System.Drawing.ColorTranslator.FromHtml("#e3e3e3");
cArea.AxisY.LineColor = System.Drawing.ColorTranslator.FromHtml("#e3e3e3");
cArea.AxisX.LineWidth = 1;
cArea.AxisY.LineWidth = 1;
cArea.AxisX.TitleFont = new System.Drawing.Font("微软雅黑", 9, System.Drawing.FontStyle.Bold);
cArea.AxisY.TitleFont = new System.Drawing.Font("微软雅黑", 9, System.Drawing.FontStyle.Regular);
cArea.AxisX.LabelStyle.Font = new System.Drawing.Font("微软雅黑", 9, System.Drawing.FontStyle.Regular);
cArea.AxisY.LabelStyle.Font = new System.Drawing.Font("微软雅黑", 9, System.Drawing.FontStyle.Bold);
if (YInterval != 0)
{
cArea.AxisY.Interval = YInterval;
}
cArea.AxisY.IsInterlaced = false;
cArea.AxisY.IsLabelAutoFit = false;
cArea.AxisY.IsMarksNextToAxis = true;
cArea.AxisX.Interval = XYInterval;
cArea.IsSameFontSizeForAllAxes = true;
cArea.AxisX.LabelStyle.IsStaggered = false; //设置是否交错显示，比如数据多的时候分成两行来显示
return cArea;
}
private Series GetSeries(
string sName, ChartArea cArea, string S3d,
System.Web.UI.DataVisualization.Charting.SeriesChartType type, bool Change)
{
Series s = new Series(sName);
s.ChartType = type;
s.ChartArea = cArea.Name;
//柱状条是否3D
if (S3d != "")
{
s["DrawingStyle"] = S3d;//Cylinder
}
s["PointWidth"] = "0.3";
//是否显示数值
s.IsValueShownAsLabel = true;
s.LegendText = sName;
s.Font = new System.Drawing.Font("宋体", 9, System.Drawing.FontStyle.Regular);
s.BorderWidth = 2;
s.ShadowColor = System.Drawing.ColorTranslator.FromHtml("180, 26, 59, 105");
if (Change)
{
s.BackGradientStyle = GradientStyle.DiagonalRight;
}
s.ShadowOffset = 1;
return s;
}
private void SetStyle(ChartArea cArea, System.Web.UI.DataVisualization.Charting.Chart chartControl)
{
cArea.BorderDashStyle = ChartDashStyle.Solid;
cArea.BackSecondaryColor = Color.White;
cArea.BorderColor = System.Drawing.ColorTranslator.FromHtml("64, 64, 64, 64");
cArea.BackColor = System.Drawing.ColorTranslator.FromHtml("#ECF4FF");
chartControl.BackColor = System.Drawing.ColorTranslator.FromHtml("#EBF3FF");
chartControl.BorderlineColor = System.Drawing.ColorTranslator.FromHtml("26, 59, 105");
cArea.ShadowColor = Color.Transparent;
chartControl.BorderlineWidth = 0;
chartControl.BorderlineDashStyle = ChartDashStyle.Solid;
cArea.BackGradientStyle = GradientStyle.TopBottom;
chartControl.BackGradientStyle = GradientStyle.TopBottom;
chartControl.EnableViewState = true;
}
private static DataPoint GetPoint(string xName, System.Drawing.Font font, string pointValue)
{
DataPoint point = new DataPoint();
point["LabelStyle"] = "Top";
point.Label = pointValue;
point.SetValueXY(xName, pointValue);
if (pointValue == "0")
{
point.Label = " ";
}
point.IsValueShownAsLabel = true;
point.LabelForeColor = Color.Black;
point.LabelBackColor = Color.Transparent;
point.LabelBorderColor = Color.Transparent;
point.Font = font;
return point;
}
public MemoryStream GetDefaultImg()
{
if (System.Web.HttpRuntime.Cache["defaultImg"] != null)
{
return (System.IO.MemoryStream)System.Web.HttpRuntime.Cache["defaultImg"];
}
string CreationTime = DateTime.Now.ToShortDateString();
System.IO.MemoryStream ms = new System.IO.MemoryStream();
Chart chartControl = GetChartControl("温馨提示：没有数据", CreationTime, 750, 500,
Docking.Bottom, true, BorderSkinStyle.None);
ChartArea cArea = GetChartArea("温馨提示：没有数据", " 用 户 ", " 绩 效 情 况", false, 100, 1);
chartControl.ChartAreas.Add(cArea);
cArea.AxisX.IsMarginVisible = true;
System.Drawing.Font font = new System.Drawing.Font("微软雅黑", 7, System.Drawing.FontStyle.Regular);
SetStyle(cArea, chartControl);
chartControl.SaveImage(ms);
System.Web.HttpRuntime.Cache.Remove("defaultImg");
System.Web.HttpRuntime.Cache.Insert("defaultImg", ms, null,
System.Web.Caching.Cache.NoAbsoluteExpiration, TimeSpan.Zero);
return ms;
}
#endregion
#region 简单快捷获取柱状图
/// <summary>
/// 简单快捷获取柱状图
/// </summary>
/// <param name="DataDict">数据集（X,Y轴值的集合）</param>
/// <param name="xTitlename">x轴的TITLE</param>
/// <param name="yTitleName">y轴的TITLE</param>
/// <param name="tableTile">报表标题</param>
/// <param name="subTitle">报表副标题</param>
/// <param name="Width">报表宽</param>
/// <param name="Height">报表高</param>
/// <param name="YInterval">Y轴的间隔</param>
/// <returns>MemoryStream(报表)</returns>
public MemoryStream GetColumnImg(
Dictionary<string, double> DataDict,
string xTitlename, string yTitleName,
string tableTile, string subTitle,
int Width,
int Height,
int YInterval
)
{
if (subTitle == null)
{
subTitle = "";
}
if (DataDict == null) return null;
if (xTitlename == null) xTitlename = "";
if (yTitleName == null) yTitleName = "";
if (tableTile == null) tableTile = "";
if (subTitle == null) subTitle = "";
System.IO.MemoryStream ms = new System.IO.MemoryStream();
Chart chartControl = GetChartControl(tableTile, subTitle, Width, Height,
Docking.Bottom, true, BorderSkinStyle.None);
ChartArea cArea = GetChartArea(tableTile, xTitlename, yTitleName, false, YInterval, 1);
chartControl.ChartAreas.Add(cArea);
cArea.AxisX.IsMarginVisible = true;
System.Drawing.Font font = new System.Drawing.Font("微软雅黑", 7, System.Drawing.FontStyle.Regular);
bool changes = true;//渐变
string S3d = "Cylinder";//Cylinder
var ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Column;
Series seriesPerformance = GetSeries("", cArea, S3d, ChartType, changes);
foreach (var Month in DataDict.Keys)
{
var yearPerformanceSum = DataDict[Month].ToString();
DataPoint pointPerformance = GetPoint(Month, font, yearPerformanceSum);
pointPerformance.Label = yearPerformanceSum;
seriesPerformance.Points.Add(pointPerformance);
}
chartControl.Legends[0].Enabled = false;
SetStyle(cArea, chartControl);
chartControl.Series.Add(seriesPerformance);
chartControl.SaveImage(ms);
return ms;
}
#endregion
}
调用需要提供数据哦 用法如下:
{
MSChartHelpe cxh = new MSChartHelpe();
MemoryStream ms = new MemoryStream();
string taskreport = @"。。。。。。";
XDocument taskreportxd = XDocument.Load(taskreport);
if (taskreportxd == null )
{
getDefaultImg(cxh);
return;
}
。。。。。。。。
var DataDict = new Dictionary<string, double>();
。。。。。。。
Context.Response.Clear();
Context.Response.ContentType = "image/jpeg";
Context.Response.AddHeader("Cache-Control", "max-age=3600");
ms.WriteTo(Context.Response.OutputStream);
}
private void getDefaultImg(MSChartHelpe cxh)
{
MemoryStream ms = cxh.GetDefaultImg();
Response.Clear();
Response.ContentType = "image/jpeg";
Response.AddHeader("Cache-Control", "max-age=3600");
ms.WriteTo(Response.OutputStream);
}