protected void Page_Load(object sender, EventArgs e)
{
//创建图表控件
ChartSpace myspace = new ChartSpace();
//添加一个图表对象
ChChart mychart = myspace.Charts.Add(0);
//设置图表类型为柱形
mychart.Type = ChartChartTypeEnum.chChartTypePie;
//设置图表的相关属性
mychart.HasLegend = true; //添加图列
mychart.HasTitle = true; //添加主题
mychart.Title.Caption = "员工信息图表"; //设置主题内容
//连接数据库
String str = ConfigurationManager.ConnectionStrings["connection"].ConnectionString.ToString();
SqlConnection con = new SqlConnection(str);
con.Open();
String sel = "select jiguan,count(jiguan) as number from xx group by jiguan";
SqlDataAdapter adsa = new SqlDataAdapter(sel, con);
DataSet adds = new DataSet();
adsa.Fill(adds);
if (adds.Tables[0].Rows.Count > 0)
{
string strDataName = "";
string strData = "";
//添加图表块
mychart.SeriesCollection.Add(0);
//添加图表数据
for (int j = 0; j < adds.Tables[0].Rows.Count; j++)
{
if (j == adds.Tables[0].Rows.Count - 1)
{
strDataName += adds.Tables[0].Rows[j][0].ToString();
}
else
{
strDataName += adds.Tables[0].Rows[j][0].ToString() + "\t";
}
strData += adds.Tables[0].Rows[j][1].ToString() + "\t";
}
//设置图表的属性
mychart.SeriesCollection[0].SetData(ChartDimensionsEnum.chDimCategories, (int)ChartSpecialDataSourcesEnum.chDataLiteral, strDataName);
mychart.SeriesCollection[0].SetData(ChartDimensionsEnum.chDimValues, (int)ChartSpecialDataSourcesEnum.chDataLiteral, strData);
//设置百分比
ChDataLabels labels = mychart.SeriesCollection[0].DataLabelsCollection.Add();
labels.HasPercentage = true;
}
con.Close();
myspace.ExportPicture(Server.MapPath(".") + @"\temp.jpg", "jpg", 600, 450);
}
private void MakeLineChart(DataTable mDataTable)//string[] DataName,string[] Data,string[] Data1, string[] Data2)
{
string strValue1 = "";
string strValue = "";
string strValue2 = "";
string strCateory = "";
//循环取得数据并格式化为OWC10需要的格式,(加'\t')
foreach (DataRow mRow in mDataTable.Rows)
{
strCateory += mRow[0].ToString() + '\t';
strValue += mRow[1].ToString() + '\t';
strValue1 += mRow[2].ToString() + '\t';
}
ChartSpace mySpace = new ChartSpace();
ChChart myChart = mySpace.Charts.Add(0);
myChart.Type = ChartChartTypeEnum.chChartTypeColumnClustered;
myChart.HasLegend = true;
myChart.HasTitle = true;
if (cbDate.Checked == true)
{
myChart.Title.Caption = dtpStart.Value.ToString("yyyy年MM月dd日--") + dtpEnd.Value.ToString("yyyy年MM月dd日") + cmbCompareType.Text + "交易曲线图";
}
else
{
myChart.Title.Caption = "交易曲线图";
}
myChart.Axes[0].HasTitle = true;
myChart.Axes[0].Title.Caption = mDataTable.Columns[0].Caption;
myChart.Axes[1].HasTitle = true;
myChart.Axes[1].Title.Caption = "总额";
myChart.SeriesCollection.Add(0);
//myChart.
myChart.SeriesCollection[0].SetData(ChartDimensionsEnum.chDimSeriesNames, (int)ChartSpecialDataSourcesEnum.chDataLiteral, mDataTable.Columns[1].Caption);
myChart.SeriesCollection[0].SetData(ChartDimensionsEnum.chDimCategories, (int)ChartSpecialDataSourcesEnum.chDataLiteral, strCateory);
ChDataLabels myLabels1 = myChart.SeriesCollection[0].DataLabelsCollection.Add();
myLabels1.NumberFormat = "0.00";
myLabels1.HasValue = true;
myChart.SeriesCollection[0].SetData(ChartDimensionsEnum.chDimValues, (int)ChartSpecialDataSourcesEnum.chDataLiteral, strValue);
if (strValue1 != "")
{
myChart.SeriesCollection.Add(1);
myChart.SeriesCollection[1].SetData(ChartDimensionsEnum.chDimSeriesNames, (int)ChartSpecialDataSourcesEnum.chDataLiteral, mDataTable.Columns[2].Caption);
myChart.SeriesCollection[1].SetData(ChartDimensionsEnum.chDimValues, (int)ChartSpecialDataSourcesEnum.chDataLiteral, strValue1);
ChDataLabels myLabels2 = myChart.SeriesCollection[1].DataLabelsCollection.Add();
myLabels2.NumberFormat = "0.00";
myLabels2.HasValue = true;
}
//if (strValue2 !="")
//{
// myChart.SeriesCollection.Add(2);
// myChart.SeriesCollection[2].SetData(ChartDimensionsEnum.chDimValues, (int)ChartSpecialDataSourcesEnum.chDataLiteral, strValue2);
// ChDataLabels myLabels3 = myChart.SeriesCollection[2].DataLabelsCollection.Add();
// myLabels3.NumberFormat = "0.00";
// myLabels3.HasValue = true;
//}
//if (pictureBox1.Image != null)
//{
// pictureBox1.Image.Dispose();
//}
string mPath = Application.StartupPath + @"temp.gif"; //临时图片保存地址
System.IO.File.Delete(mPath);
mySpace.ExportPicture(mPath, "GIF", pictureBox1.Width, pictureBox1.Height);
//Image image = Image.FromFile(@"C:\temp.gif");
//Image image1 = (Image)image.Clone();
//image.Dispose();
FileStream mFs = File.OpenRead(mPath);
pictureBox1.Image = Image.FromStream(mFs);
mFs.Close();
//pictureBox1.Size = image.Size;
//pictureBox1.Visible = true;
}
private void MakeLineChart(DataTable mDataTable)//string[] DataName,string[] Data,string[] Data1, string[] Data2)
{
//Y坐标轴
//string[] DataName = { "星期一", "星期二", "星期三", "星期四", "星期五", "星期六", "星期日" };
//string[] DataName = { "一", "二", "三", "四", "五", "六", "日" };
//第一条曲线的数据
//int[] Data = { 0, 10, 20, 100, 40, 50, 60 };
//第二条曲线的数据
//int[] Data1 = { 100, 50, 41, 86 };
//第三条曲线的数据
// int[] Data2 = { 10, 50, 100, 30, 50, 60, 200 };
string strValue1 = "";
string strValue = "";
string strValue2 = "";
string strCateory = "";
//循环取得数据并格式化为OWC10需要的格式,(加'\t')
foreach (DataRow mRow in mDataTable.Rows)
{
strCateory += mRow[0].ToString() + '\t';
strValue += mRow[1].ToString() + '\t';
strValue1 += mRow[2].ToString() + '\t';
}
//for (int i = 0; i < DataName.Length; i++)
//{
// strCateory += DataName[i] + '\t';
//}
//for (int i = 0; i < Data.Length; i++)
//{
// strValue += Data[i] + '\t';
//}
//for (int i = 0; i < Data1.Length; i++)
//{
// strValue1 += Data1[i] + '\t';
//}
//for (int i = 0; i < Data2.Length; i++)
//{
// strValue2 += Data2[i] + '\t';
//}
ChartSpace mySpace = new ChartSpace();
ChChart myChart = mySpace.Charts.Add(0);
myChart.Type = ChartChartTypeEnum.chChartTypeColumnClustered;
myChart.HasLegend = true;
myChart.HasTitle = true;
myChart.Title.Caption = "交易曲线图";
myChart.Axes[0].HasTitle = true;
myChart.Axes[0].Title.Caption = mDataTable.Columns[0].Caption;
myChart.Axes[1].HasTitle = true;
myChart.Axes[1].Title.Caption = "总额";
myChart.SeriesCollection.Add(0);
//myChart.
myChart.SeriesCollection[0].SetData(ChartDimensionsEnum.chDimSeriesNames, (int)ChartSpecialDataSourcesEnum.chDataLiteral, mDataTable.Columns[1].Caption);
myChart.SeriesCollection[0].SetData(ChartDimensionsEnum.chDimCategories, (int)ChartSpecialDataSourcesEnum.chDataLiteral, strCateory);
ChDataLabels myLabels1 = myChart.SeriesCollection[0].DataLabelsCollection.Add();
myLabels1.NumberFormat = "0.00";
myLabels1.HasValue = true;
myChart.SeriesCollection[0].SetData(ChartDimensionsEnum.chDimValues, (int)ChartSpecialDataSourcesEnum.chDataLiteral, strValue);
if (strValue1 != "")
{
myChart.SeriesCollection.Add(1);
myChart.SeriesCollection[1].SetData(ChartDimensionsEnum.chDimSeriesNames, (int)ChartSpecialDataSourcesEnum.chDataLiteral, mDataTable.Columns[2].Caption);
myChart.SeriesCollection[1].SetData(ChartDimensionsEnum.chDimValues, (int)ChartSpecialDataSourcesEnum.chDataLiteral, strValue1);
ChDataLabels myLabels2 = myChart.SeriesCollection[1].DataLabelsCollection.Add();
myLabels2.NumberFormat = "0.00";
myLabels2.HasValue = true;
}
//if (strValue2 !="")
//{
// myChart.SeriesCollection.Add(2);
// myChart.SeriesCollection[2].SetData(ChartDimensionsEnum.chDimValues, (int)ChartSpecialDataSourcesEnum.chDataLiteral, strValue2);
// ChDataLabels myLabels3 = myChart.SeriesCollection[2].DataLabelsCollection.Add();
// myLabels3.NumberFormat = "0.00";
// myLabels3.HasValue = true;
//}
System.IO.File.Delete(@"C:\temp.gif");
mySpace.ExportPicture(@"C:\temp.gif", "GIF", this.Width, this.Height);
Image image = Image.FromFile(@"C:\temp.gif");
pictureBox1.Image = image;
pictureBox1.Size = image.Size;
pictureBox1.Visible = true;
}
public string PieChart(Pie pie, Page page)
{
//创建X坐标的值
string[] str = pie.DataNames;
//创建Y坐标的值，表示销售额
double[] count = pie.DataValues;
string strDataName = "";
string strData = "";
//创建图表空间
ChartSpace mychartSpace = new ChartSpace();
mychartSpace.Border.Color = pie.ChartBorderColor;
//在图表空间内添加一个图表对象
ChChart mychart = mychartSpace.Charts.Add(0);
//设置每块饼的数据
for (int i = 0; i < count.Length; i++)
{
strDataName += str[i].ToString() + "\t";
strData += count[i].ToString() + "\t";
}
strDataName = strDataName.Substring(0, strDataName.Length - 1);
strData = strData.Substring(0, strData.Length - 1);
//设置图表类型，本例使用饼
switch (pie.PicChartType)
{
case PieType.Pie:
mychart.Type = ChartChartTypeEnum.chChartTypePie;
break;
case PieType.Pie3D:
mychart.Type = ChartChartTypeEnum.chChartTypePie3D;
break;
case PieType.Exploded:
mychart.Type = ChartChartTypeEnum.chChartTypePieExploded;
break;
case PieType.Exploded3D:
mychart.Type = ChartChartTypeEnum.chChartTypePieExploded3D;
break;
default:
mychart.Type = ChartChartTypeEnum.chChartTypePie;
break;
}
//设置图表的一些属性
//是否需要图例
mychart.HasLegend = true;
//是否需要主题
mychart.HasTitle = true;
//主题内容
mychart.Title.Caption = pie.ChartTitle;
mychart.Title.Font.Size = pie.ChartTitleSize;
mychart.Title.Font.Bold = pie.ChartTitleBold;
mychart.Title.Font.Color = pie.ChartTitleColor;
switch (pie.LegendPosition)
{
case LegendPosition.Top:
mychart.Legend.Position = ChartLegendPositionEnum.chLegendPositionTop;
break;
case LegendPosition.Bottom:
mychart.Legend.Position = ChartLegendPositionEnum.chLegendPositionBottom;
break;
case LegendPosition.Left:
mychart.Legend.Position = ChartLegendPositionEnum.chLegendPositionLeft;
break;
case LegendPosition.Right:
mychart.Legend.Position = ChartLegendPositionEnum.chLegendPositionRight;
break;
default:
mychart.Legend.Position = ChartLegendPositionEnum.chLegendPositionRight;
break;
}
mychart.Legend.Interior.Color = pie.LegendBgColor;
mychart.Legend.Font.Bold = pie.LegenFontBold;
mychart.Legend.Font.Size = pie.LegendFontSize;
mychart.Legend.Border.Color = pie.LegendBorderColor;
//添加图表块
mychart.SeriesCollection.Add(0);
//设置图表块的属性
//分类属性
mychart.SeriesCollection[0].SetData(ChartDimensionsEnum.chDimCategories,
(int)ChartSpecialDataSourcesEnum.chDataLiteral, strDataName);
//mychart.SeriesCollection[0].Interior.Color = "#C1DBEE";
//mychart.SeriesCollection[1].Interior.Color = "#D1A00B";
//值属性
mychart.SeriesCollection[0].SetData(ChartDimensionsEnum.chDimValues,
(int)ChartSpecialDataSourcesEnum.chDataLiteral, strData);
for (int j = 0; j < mychart.SeriesCollection[0].Points.Count; j++)
{
mychart.SeriesCollection[0].Points[j].Border.Color = pie.SeriesCollectionBorderColor;
if (pie.DataColor != null)
{
mychart.SeriesCollection[0].Points[j].Interior.Color = pie.DataColor[j].ToString();
}
}
//显示百分比
ChDataLabels mytb = mychart.SeriesCollection[0].DataLabelsCollection.Add();
mytb.HasPercentage = pie.HasPercentage;
mytb.Font.Color = pie.DataFontColor;
mytb.Font.Size = pie.DataFontSize;
mytb.HasValue = true;
//生成图片
//劉宏哲修改，先删除文件再创建文件。解决第一次生成图片以后，再次生成报错。时间：2010-04-21 9:44。
string path = page.MapPath(".") + @"\" + pie.PicName + ".gif";
if (File.Exists(path))
{
File.Delete(path);
}
mychartSpace.ExportPicture(path, "gif", pie.ChartWidth, pie.ChartHeight);
//返回图片路径
return(pie.PicName + ".gif" + "?temp=" + System.DateTime.Now.Ticks.ToString() + "");
}