C#处理owc chart
---------------------------------------------ASP.NET版-----------------------------
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using Microsoft.Office.Interop.Owc11;
using System.Data.OleDb;
using System.Collections;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
DropDownList1.Items.Add("chChartTypeColumnClustered");
DropDownList1.Items.Add("chChartTypeColumn3D");
DropDownList1.Items.Add("chChartTypeBarClustered");
DropDownList1.Items.Add("chChartTypeBar3D");
DropDownList1.Items.Add("chChartTypeArea");
DropDownList1.Items.Add("chChartTypeArea3D");
DropDownList1.Items.Add("chChartTypeDoughnut");
DropDownList1.Items.Add("chChartTypeLineStacked");
DropDownList1.Items.Add("chChartTypeLine3D");
DropDownList1.Items.Add("chChartTypeLineMarkers");
DropDownList1.Items.Add("chChartTypePie");
DropDownList1.Items.Add("chChartTypePie3D");
DropDownList1.Items.Add("chChartTypeRadarSmoothLine");
DropDownList1.Items.Add("chChartTypeSmoothLine");
//DropDownList1.SelectedIndex = 0;
int num = DropDownList1.SelectedIndex;
OleDbDataReader dr = GetList("select TOP 10 OrderDate,ShipVia from orders order by orderid");
data_Chart(dr, 0, Server.MapPath("test.gif"), 800, 600);
ImageMap1.ImageUrl = "~/test.gif";
}
/// <summary>
/// 生成图表
/// </summary>
/// <param name="sdr">数据源(sqlDataReader)</param>
/// <param name="intChartTypes">图片类型</param>
/// <param name="filePath">图片路径</param>
/// <param name="chartWidth">图片宽度</param>
/// <param name="chartHeight">图片高度</param>
/// <returns>图片存放的相对路径</returns>
public string data_Chart(OleDbDataReader sdr, int intChartTypes, string filePath, int chartWidth, int chartHeight)
{
ArrayList[] data_al = new ArrayList[sdr.FieldCount];
for (int i = 0; i < sdr.FieldCount; i++)
{
data_al[i] = new ArrayList();
}
while (sdr.Read())
{
for (int i = 0; i < sdr.FieldCount; i++)
{
data_al[i].Add(sdr.GetValue(i).ToString());
}
}
sdr.Close();
ChartSpace objCSpace = new ChartSpaceClass();
//在ChartSpace对象中添加图表，Add方法返回chart对象
ChChart objChart = objCSpace.Charts.Add(0);
//指定图表是否需要图例
objChart.HasLegend = true;
objChart.HasTitle = true;
objChart.Title.Caption = "分析图";
//指定图表的类型。类型由OWC.ChartChartTypeEnum枚举值得到
ChartChartTypeEnum[] chartTypes = new 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};
objChart.Type = chartTypes[intChartTypes];
//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 < data_al.Length - 1; i++)
{
//在ChartSpace对象中添加图表，Add方法返回chart对象
objChart.SeriesCollection.Add(i);
objChart.SeriesCollection[i].DataLabelsCollection.Add();
string strSeriesName = "" + (i + 1);
//给定series的名字
objChart.SeriesCollection[i].SetData(ChartDimensionsEnum.chDimSeriesNames,
(int)ChartSpecialDataSourcesEnum.chDataLiteral, strSeriesName);
//给定分类
objChart.SeriesCollection[i].SetData(ChartDimensionsEnum.chDimCategories,
(int)ChartSpecialDataSourcesEnum.chDataLiteral, data_al[0].ToArray());
//给定值
objChart.SeriesCollection[i].SetData
(ChartDimensionsEnum.chDimValues,
(int)ChartSpecialDataSourcesEnum.chDataLiteral, data_al[i + 1].ToArray());
objChart.SeriesCollection[i].Caption = "Example";
}
//输出成GIF文件.
//string strAbsolutePath = filePath + "\\temp\\test.gif";
objCSpace.ExportPicture(filePath, "GIF", chartWidth, chartHeight);
//创建GIF文件的相对路径.
string strRelativePath;
//strRelativePath = @"..\Analyse\temp\test.gif";
strRelativePath = filePath;
return strRelativePath;
}
protected void Button2_Click(object sender, EventArgs e)
{
int num = DropDownList1.SelectedIndex;
OleDbDataReader dr = GetList("select TOP 10 OrderDate,ShipVia from orders order by orderid");
data_Chart(dr, num, Server.MapPath("test.gif"), 800, 600);
ImageMap1.ImageUrl = "~/test.gif";
}
public OleDbDataReader GetList(string Sql)
{
OleDbConnection myConnection = new OleDbConnection("Provider=SQLOLEDB;server=192.168.0.15;uid=sa;pwd=sa; database=Northwind;");
OleDbCommand myCommand = new OleDbCommand(Sql, myConnection);
myConnection.Open();
OleDbDataReader result = myCommand.ExecuteReader(CommandBehavior.CloseConnection);
return result;
}
}
--------------------------------------c#版----------------------------
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Microsoft.Office.Interop.Owc11;
using System.Data.OleDb;
using System.Collections;
namespace OWC
{
public partial class ADOchart : Form
{
public ADOchart()
{
InitializeComponent();
//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"};
comboBox1.Items.Add("垂直柱状统计图");
comboBox1.Items.Add("3D垂直柱状统计图");
comboBox1.Items.Add("水平柱状统计图");
comboBox1.Items.Add("3D水平柱状统计图");
comboBox1.Items.Add("区域统计图");
comboBox1.Items.Add("3D区域统计图");
comboBox1.Items.Add("中空饼图");
comboBox1.Items.Add("折线统计图");
comboBox1.Items.Add("3D折线统计图");
comboBox1.Items.Add("折线带点统计图");
comboBox1.Items.Add("饼图");
comboBox1.Items.Add("3D饼图");
comboBox1.Items.Add("网状统计图");
comboBox1.Items.Add("弧线统计图");
comboBox1.SelectedIndex = 0;
}
private void button1_Click(object sender, EventArgs e)
{
int num = comboBox1.SelectedIndex;
OleDbDataReader dr = GetList("select top 10 OrderDate,ShipVia from orders order by orderid");
data_Chart(dr, num, Application.StartupPath+"test.gif", 800, 600);
MessageBox.Show("完成");
}
public OleDbDataReader GetList(string Sql)
{
OleDbConnection myConnection = new OleDbConnection("Provider=SQLOLEDB;server=192.168.0.15;uid=sa;pwd=sa; database=Northwind;");
OleDbCommand myCommand = new OleDbCommand(Sql, myConnection);
myConnection.Open();
OleDbDataReader result = myCommand.ExecuteReader(CommandBehavior.CloseConnection);
return result;
}
public string data_Chart(OleDbDataReader sdr, int intChartTypes, string filePath, int chartWidth, int chartHeight)
{
ArrayList[] data_al = new ArrayList[sdr.FieldCount];
for (int i = 0; i < sdr.FieldCount; i++)
{
data_al[i] = new ArrayList();
}
while (sdr.Read())
{
for (int i = 0; i < sdr.FieldCount; i++)
{
data_al[i].Add(sdr.GetValue(i).ToString());
}
}
sdr.Close();
//清空上一次存在的图例
axChartSpace1.Clear();
ChartSpace objCSpace = new ChartSpaceClass();
//在ChartSpace对象中添加图表，Add方法返回chart对象
// ChChart objChart = objCSpace.Charts.Add(0);//保存图片用
ChChart objChart = axChartSpace1.Charts.Add(0);//界面上用
//指定图表是否需要图例
objChart.HasLegend = true;
objChart.HasTitle = true;
objChart.Title.Caption = "分析图";
//xy轴说明
objChart.Axes[0].HasTitle = true;
objChart.Axes[0].Title.Caption = "OrderDate";
objChart.Axes[1].HasTitle = true;
objChart.Axes[1].Title.Caption = "ShipVia";
//指定图表的类型。类型由OWC.ChartChartTypeEnum枚举值得到
ChartChartTypeEnum[] chartTypes = new 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};
objChart.Type = chartTypes[intChartTypes];//得到图例类型
for (int i = 0; i < data_al.Length - 1; i++)
{
//在ChartSpace对象中添加图表，Add方法返回chart对象
objChart.SeriesCollection.Add(i);
objChart.SeriesCollection[i].DataLabelsCollection.Add();
string strSeriesName = "" + (i + 1);
//给定series的名字
objChart.SeriesCollection[i].SetData(ChartDimensionsEnum.chDimSeriesNames,
(int)ChartSpecialDataSourcesEnum.chDataLiteral, strSeriesName);
//给定分类
objChart.SeriesCollection[i].SetData(ChartDimensionsEnum.chDimCategories,
(int)ChartSpecialDataSourcesEnum.chDataLiteral, data_al[0].ToArray());
//给定值
objChart.SeriesCollection[i].SetData
(ChartDimensionsEnum.chDimValues,
(int)ChartSpecialDataSourcesEnum.chDataLiteral, data_al[i + 1].ToArray());
objChart.SeriesCollection[i].Caption = "Example";
}
//输出成GIF文件.
objCSpace.ExportPicture(filePath, "GIF", chartWidth, chartHeight);
//创建GIF文件的相对路径.
string strRelativePath;
strRelativePath = filePath;
return strRelativePath;
}
}
}