OWC控件生成统计图

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

<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="&quot; + data + &quot;" alt='' border='0'/>";
                $("#divStat").append(img);
            });
    });
// --></script>
<div id="divStat" style="100%; border:0; text-align:center"></div>

效果1：


效果2：