DrawStat.ashx using System; using System.Web; using System.Collections.Generic; using System.Drawing; using System.Drawing.Imaging; using OWC11 = Microsoft.Office.Interop.Owc11; //引用com组件：Micorsoft Office Web Components 11.0 /// <summary> /// DrawStat 的摘要说明 /// </summary> public class DrawStat : IHttpHandler { public void ProcessRequest(HttpContext context) { context.Response.ContentType = "text/plain"; int chartType = 0; string chartTitle = "统计图"; string chartData = ""; if (!string.IsNullOrEmpty(context.Request.Params["chartType"])) int.TryParse(context.Request.Params["chartType"], out chartType); if (!string.IsNullOrEmpty(context.Request.Params["chartTitle"])) chartTitle = context.Request.Params["chartTitle"]; if (!string.IsNullOrEmpty(context.Request.Params["chartData"])) chartData = context.Request.Params["chartData"]; if (chartData.Length > 0) { List<string> datanameList = new List<string>(); List<int> dataList = new List<int>(); string[] ss = chartData.Split('|'); if (ss.Length > 0) { foreach (string s in ss) { string[] arr = s.Split(','); datanameList.Add(arr[0]); dataList.Add(Convert.ToInt32(arr[1])); } //删除之前生成的文件 string file = context.Server.MapPath("~/Upload/") + "tmpFile.gif"; if (System.IO.File.Exists(file)) System.IO.File.Delete(file); int datasum = 0; dataList.ForEach(i => datasum += i); string strdataname = ""; string strdata = ""; for (int j = 0; j < dataList.Count; j++) { double percentdata = 100.0 * dataList[j] / datasum; strdataname += datanameList[j] + percentdata.ToString("0.00") + "%" + '/t'; strdata += dataList[j].ToString() + '/t'; } //创建一个图形容器对象，可以包含多个图形对象，最多16个 OWC11.ChartSpace objchartspace = new OWC11.ChartSpaceClass(); //在图形容器中增加一个图形对象ChChart。一个柱状图、饼状图、散点图等都是一个图形对象，多个图形对象构成ChCharts集合。 OWC11.ChChart objchart = objchartspace.Charts.Add(0); //图形类型 switch (chartType) { case 0: objchart.Type = OWC11.ChartChartTypeEnum.chChartTypePie; //圆饼图 break; case 1: objchart.Type = OWC11.ChartChartTypeEnum.chChartTypeColumnClustered3D;//柱状图 break; case 2: objchart.Type = OWC11.ChartChartTypeEnum.chChartTypeBar3D;//横道图3D break; } //设置图形容器的边框颜色 objchart.Border.Color = "White"; //显示标题 objchart.HasTitle = true; //设置标题 objchart.Title.Caption = chartTitle; //设置标题字体的大小 objchart.Title.Font.Size = 10; //显示图例 objchart.HasLegend = true; //设置图例字体大小 objchart.Legend.Font.Size = 10; //设置图例位置为右侧 objchart.Legend.Position = OWC11.ChartLegendPositionEnum.chLegendPositionRight; //在图形对象中添加一个系列 objchart.SeriesCollection.Add(0); //给定系列的名字 objchart.SeriesCollection[0].SetData(Microsoft.Office.Interop.Owc11.ChartDimensionsEnum.chDimCategories, (int)Microsoft.Office.Interop.Owc11.ChartSpecialDataSourcesEnum.chDataLiteral, strdataname); //给定值 objchart.SeriesCollection[0].SetData(Microsoft.Office.Interop.Owc11.ChartDimensionsEnum.chDimValues, (int)Microsoft.Office.Interop.Owc11.ChartSpecialDataSourcesEnum.chDataLiteral, strdata); //创建gif文件 objchartspace.ExportPicture(context.Server.MapPath("~/Upload/") + "tmpFile.gif", "GIF", 600, 400); string path = "/Upload/tmpFile.gif"; context.Response.Write(path); } } } public bool IsReusable { get { return false; } } } ============================================================ .aspx <mce:script type="text/javascript"><!-- $(function () { jQuery.post("/Ajax/DrawStat.ashx?chartTitle=" + escape("gdjlc统计图示") + "&chartType=0&chartData=" + escape("文本框,2|复选框,3|下拉框,1"), function (data, textStatus) { var img = "<img src="" + data + "" mce_src="" + data + "" alt='' border='0'/>"; $("#divStat").append(img); }); }); // --></mce:script> <div id="divStat" style="width:100%; border:0; text-align:center"></div> 效果1： 效果2：
