简介:
owc控件是microsoft office 图表控件（owc10为ofiiceXP的组件、owc11为office2003的组件，组件的路径为C:\Program Files\Common Files\Microsoft Shared\Web Components\11\owc11，帮助文件的路径为C:\Program Files\Common Files\Microsoft Shared\Web Components\11\2052），它可以生成三维图、柱状图、饼状图、趋势图和误差图
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相关资料:
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Office 2003 加载项：Office Web Components 官方下载地址(OWC11)
http://www.microsoft.com/downloads/details.aspx?FamilyID=7287252c-402e-4f72-97a5-e0fd290d4b76&DisplayLang=zh-cn
如果您机器里完全安装OFFICE2003则不需要下载
获取并安装 Office 2003 主 interop 程序集 (PIA) 和如何对其进行引用以及疑难解答
http://www.microsoft.com/china/msdn/library/office/office/OfficePrIntopAssFAQ.mspx?mfr=true
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相关代码(本代码主要功能类来自博客园)
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using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using Microsoft.Office.Interop.Owc11;
using System.IO;
using Microsoft.Office.Interop;
using OWC11 = Microsoft.Office.Interop.Owc11;
using System.Text;
public class ChartFactory
{
public ChartFactory()
{
InitTypeMap();
//
// TODO: 在此处添加构造函数逻辑
//
}
private string[] chartCategoriesArr;
private string[] chartValuesArr;
private OWC11.ChartChartTypeEnum chartType = OWC11.ChartChartTypeEnum.chChartTypeColumn3D;//默认值
private static Hashtable chartMap = new Hashtable();
private static string chartTypeCh = "垂直柱状统计图";
private static string chartTitle = "aaa";
private void InitTypeMap()
{
chartMap.Clear();
OWC11.ChartChartTypeEnum[] chartTypes = new OWC11.ChartChartTypeEnum[]{
ChartChartTypeEnum.chChartTypeColumnClustered,
ChartChartTypeEnum.chChartTypeColumn3D,
ChartChartTypeEnum.chChartTypeBarClustered,
ChartChartTypeEnum.chChartTypeBar3D,
ChartChartTypeEnum.chChartTypeArea,
ChartChartTypeEnum.chChartTypeArea3D,
ChartChartTypeEnum.chChartTypeDoughnut,
ChartChartTypeEnum.chChartTypeLineStacked,
ChartChartTypeEnum.chChartTypeLine3D,
ChartChartTypeEnum.chChartTypeLineMarkers,
ChartChartTypeEnum.chChartTypePie,
ChartChartTypeEnum.chChartTypePie3D,
ChartChartTypeEnum.chChartTypeRadarSmoothLine,
ChartChartTypeEnum.chChartTypeSmoothLine};
string[] chartTypesCh = new string[] { "垂直柱状统计图", "3D垂直柱状统计图", "水平柱状统计图", "3D水平柱状统计图", "区域统计图", "3D区域统计图", "中空饼图", "折线统计图", "3D折线统计图", "折线带点统计图", "饼图", "3D饼图", "网状统计图", "弧线统计图" };
for (int i = 0; i < chartTypes.Length; i++)
{
chartMap.Add(chartTypesCh[i], chartTypes[i]);
}
}
public ChartSpaceClass BuildCharts()
{
string chartCategoriesStr = String.Join("\t", chartCategoriesArr);
string chartValuesStr = String.Join("\t", chartValuesArr);
OWC11.ChartSpaceClass oChartSpace = new OWC11.ChartSpaceClass();
// ------------------------------------------------------------------------
// Give pie and doughnut charts a legend on the bottom. For the rest of
// them let the control figure it out on its own.
// ------------------------------------------------------------------------
chartType = (ChartChartTypeEnum)chartMap[chartTypeCh];
if (chartType == ChartChartTypeEnum.chChartTypePie ||
chartType == ChartChartTypeEnum.chChartTypePie3D ||
chartType == ChartChartTypeEnum.chChartTypeDoughnut)
{
oChartSpace.HasChartSpaceLegend = true;
oChartSpace.ChartSpaceLegend.Position = ChartLegendPositionEnum.chLegendPositionBottom;
}
oChartSpace.Border.Color = "blue";
oChartSpace.Charts.Add(0);
oChartSpace.Charts[0].HasTitle = true;
oChartSpace.Charts[0].Type = chartType;
oChartSpace.Charts[0].ChartDepth = 125;
oChartSpace.Charts[0].AspectRatio = 80;
oChartSpace.Charts[0].Title.Caption = chartTitle;
oChartSpace.Charts[0].Title.Font.Bold = true;
//绘图区背景颜色
//oChartSpace.Charts[0].PlotArea.Interior.Color = "red";
//绘图区
// oChartSpace.Charts[0].PlotArea.Floor.Interior.Color = "green";
oChartSpace.Charts[0].SeriesCollection.Add(0);
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection.Add();
//柱状图颜色
//oChartSpace.Charts[0].SeriesCollection[0].Interior.Color = "red";
// ------------------------------------------------------------------------
// If you're charting a pie or a variation thereof percentages make a lot
// more sense than values...
// ------------------------------------------------------------------------
if (chartType == ChartChartTypeEnum.chChartTypePie ||
chartType == ChartChartTypeEnum.chChartTypePie3D ||
chartType == ChartChartTypeEnum.chChartTypeDoughnut)
{
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].HasPercentage = true;
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].HasValue = false;
}
// ------------------------------------------------------------------------
// Not so for other chart types where values have more meaning than
// percentages.
// ------------------------------------------------------------------------
else
{
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].HasPercentage = false;
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].HasValue = true;
}
// ------------------------------------------------------------------------
// Plug your own visual bells and whistles here
// ------------------------------------------------------------------------
oChartSpace.Charts[0].SeriesCollection[0].Caption = String.Empty;
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].Font.Name = "verdana";
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].Font.Size = 10;
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].Font.Bold = true;
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].Font.Color = "red";
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].Position = ChartDataLabelPositionEnum.chLabelPositionCenter;
if (chartType == ChartChartTypeEnum.chChartTypeBarClustered ||
chartType == ChartChartTypeEnum.chChartTypeBar3D ||
chartType == ChartChartTypeEnum.chChartTypeColumnClustered ||
chartType == ChartChartTypeEnum.chChartTypeColumn3D)
{
oChartSpace.Charts[0].SeriesCollection[0].DataLabelsCollection[0].Position = ChartDataLabelPositionEnum.chLabelPositionOutsideEnd;
}
oChartSpace.Charts[0].SeriesCollection[0].SetData(OWC11.ChartDimensionsEnum.chDimCategories,
Convert.ToInt32(OWC11.ChartSpecialDataSourcesEnum.chDataLiteral), chartCategoriesStr);
oChartSpace.Charts[0].SeriesCollection[0].SetData(OWC11.ChartDimensionsEnum.chDimValues,
Convert.ToInt32(OWC11.ChartSpecialDataSourcesEnum.chDataLiteral), chartValuesStr);
return oChartSpace;
}
#region 属性设置
public string[] chartCategoriesArrValue
{
get
{
return chartCategoriesArr;
}
set
{
chartCategoriesArr = value;
}
}
public string[] chartValuesArrValue
{
get
{
return chartValuesArr;
}
set
{
chartValuesArr = value;
}
}
public string chartTypeValue
{
get
{
return chartTypeCh;
}
set
{
chartTypeCh = value;
}
}
public string chartTitleValue
{
get
{
return chartTitle;
}
set
{
chartTitle = value;
}
}
#endregion
}
调用方法部分代码:
private void Form1_Load(object sender, System.EventArgs e)
{
try
{
System.Threading.Thread thread=new System.Threading.Thread(new System.Threading.ThreadStart(aa));
thread.Start();
//ShowChart();
}
catch
{}
}
void aa()
{
while(true)
{
ShowChart();
System.Threading.Thread.Sleep(1000);
}
}
//调用 首先需要在页面上放置一个pictureBox1来显示产生的统计图
public void ShowChart()
{
try
{
string ConnString = "Data Source=SQL服务器地址;Initial Catalog=数据库名;Persist Security Info=True;User ID=用户名;Password=密码";
DB.sqlDB db = new DB.sqlDB(ConnString);
string sql = "查询字符串";
DataTable table = db.getTable(sql);
if (table != null && table.Rows.Count > 0)
{
StringBuilder sb=new StringBuilder();
for (int i = 0; i < table.Rows.Count; i++)
{
if (i == 0)
{
sb.Append(table.Rows[i]["content"].ToString());
}
else
{
sb.Append("," + table.Rows[i]["content"].ToString());
}
}
string[] CategoriesArr ={sb.ToString()};
sb=new StringBuilder();
for (int i = 0; i < table.Rows.Count; i++)
{
if (i == 0)
{
sb.Append(table.Rows[i]["cnt"].ToString());
}
else
{
sb.Append("," + table.Rows[i]["cnt"].ToString());
}
}
string[] ValuesArr = { sb.ToString() };
ChartFactory chartFactory = new ChartFactory();
//初始化赋值
chartFactory.chartCategoriesArrValue = CategoriesArr;
chartFactory.chartValuesArrValue = ValuesArr;
chartFactory.chartTitleValue = "“龙源夜、网通情”欢送毕生晚会节目投票";//柱形图标注名称
chartFactory.chartTypeValue = "垂直柱状统计图";//图类型,在类中定义过
OWC11.ChartSpaceClass oChartSpace = chartFactory.BuildCharts();
string path = FileName; //产生图片并保存 页可以是png gif图片
oChartSpace.ExportPicture(path, "jpeg", this.Width-100, this.Height-100);//后面是图片的宽和高
//下面使用 FileStream 对象的原因是本例使用线程.每秒重新生成一个图,并将原图覆盖.
//如果不使用 FileStream 将会出现共享冲突.
FileStream fs = new FileStream(FileName, FileMode.Open, FileAccess.Read);
byte[] bytes = new byte[fs.Length];
fs.Read(bytes, 0, bytes.Length);
fs.Close();
MemoryStream ms = new MemoryStream(bytes);
System.Drawing.Image img=System.Drawing.Image.FromStream(ms);
//本例使用pictureBox1显示图片
this.pictureBox1.Image=img;
this.pictureBox1.Refresh();
}
}
catch(Exception e)
{ //MessageBox.Show(e.ToString());
}
}
转自：
http://blog.csdn.net/killer000777/archive/2006/12/04/1429837.aspx
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