前台代码：
<asp:Chart ID="Chart1" runat="server" Height="500px" Width="1000px" BorderlineWidth="" >
<Titles>
<asp:Title Name="Title1" runat="server" Text="设备稼动率波动图" Font="宋体,20pt"></asp:Title>
</Titles>
<legends>
<asp:Legend IsTextAutoFit="False" DockedToChartArea="NotSet" Name="Default" BackColor="Transparent" Font="宋体, 10pt, style=Bold">
</asp:Legend>
</legends> <Series>
</Series> <ChartAreas>
</ChartAreas>
</asp:Chart>
后台代码：包括动态生成ChartArea和保存为图片：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Web.UI.DataVisualization.Charting;
using System.Text;
using Microsoft.Win32;
using System.Drawing; public partial class MSChartTest : System.Web.UI.Page
{
int iNowYear = DateTime.Now.Year;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
for (int i = iNowYear - ; i < iNowYear + ; i++)
{
this.DDLYear.Items.Add(i.ToString());
}
this.DDLYear.SelectedValue = iNowYear.ToString();
string SQL = "select lookup_value_code,lookup_value_Name from T_EB_DB_LOOKUP_VALUE where LOOKUP_TYPE_CODE='RES_DEV_LOCATION'";
DataSet ds = OraHelper.GetDateDS(SQL);
this.DDLSYS.Items.Add("");
if (ds != null && ds.Tables.Count > && ds.Tables[].Rows.Count > )
{
//DataTable dtSYS = ds.Tables[0];
//DataRow dr = dtSYS.NewRow();
//dr[0] = ""; dr[1] = "";
//dtSYS.Rows.InsertAt(dr, 0);
//this.DDLSYS.DataSource = dtSYS;
//this.DDLSYS.DataValueField = "lookup_value_Name";
//this.DDLSYS.DataTextField = "lookup_value_Name";
//this.DDLSYS.DataBind();
for (int i = ; i < ds.Tables[].Rows.Count; i++)
{
this.DDLSYS.Items.Add(ds.Tables[].Rows[i]["lookup_value_Name"].ToString().Trim());
}
}
}
} protected void btnSearch_Click(object sender, EventArgs e)
{
SearchChart();
} protected void SearchChart()
{
Chart1.ChartAreas.Clear();
Chart1.Series.Clear(); DataTable dtChart = this.Getdt();
//this.GridView1.DataSource = dtChart;
//this.GridView1.DataBind();
if (dtChart != null && dtChart.Rows.Count>)
{
DataView dv = dtChart.DefaultView;
DataTable dtDeviceName = dv.ToTable(true, "DEVICE_NAME");//零件列表，ChartArea数
DataSet ds = new DataSet();
ChartArea _ChartArea = null;
Series _SeriesJRATE = null;
Series _SeriesDRATE = null;
List<string> oCharAreas = new List<string>();
float firstChartAreaY = ;
for (int i = ; i < dtDeviceName.Rows.Count; i++)
{
string DeviceName = dtDeviceName.Rows[i]["DEVICE_NAME"].ToString();
DataRow[] drList = dtChart.Select(" DEVICE_NAME='" + DeviceName + "' "); if (drList != null && drList.Length>)
{
DataTable dt = drList.CopyToDataTable();
dt.TableName = DeviceName;
ds.Tables.Add(dt);
_ChartArea = new ChartArea();
_ChartArea.AxisX.MajorGrid.LineColor = System.Drawing.Color.FromArgb(, , );
_ChartArea.AxisX.MajorGrid.LineDashStyle = ChartDashStyle.Dash;
_ChartArea.AxisY.MajorGrid.LineColor = System.Drawing.Color.FromArgb(, , );
_ChartArea.AxisY.MajorGrid.LineDashStyle = ChartDashStyle.Dash;
_ChartArea.Position.Auto = true;
_ChartArea.Name = DeviceName;//设定Chart Name ////_ChartArea.AxisY.Title = "单位";
////_ChartArea.AxisY.TitleAlignment = StringAlignment.Far;
////_ChartArea.AxisX.Title = "月份";
////_ChartArea.AxisX.TitleAlignment = StringAlignment.Far; _ChartArea.AxisX.Minimum = ;//起始值
_ChartArea.AxisX.Maximum = ;//结束值
_ChartArea.AxisX.Interval = ;//间隔
_ChartArea.AxisX.IntervalType = DateTimeIntervalType.Number;//间隔类型指定 //_ChartArea.AxisX.LabelStyle.Interval = 1; //X文本间隔
//_ChartArea.AxisX.LabelStyle.Font = new System.Drawing.Font("隶书", 12);
//_ChartArea.AxisX.MajorGrid.Interval = 1; //X主要辅助线间隔
//_ChartArea.AxisX.MinorGrid.Interval = 1;//X次要辅助线间隔
//_ChartArea.AxisX.MinorTickMark.Interval = 1;//X次要刻度线间隔
//_ChartArea.AxisX.MajorTickMark.Interval = 1;//X主要刻度线间隔
//_ChartArea.AxisY.MinorGrid.Interval = 1;//Y次要辅助线间隔
//_ChartArea.AxisY.MajorGrid.Interval = 1;//Y主要辅助线间隔
//_ChartArea.AxisY.LabelStyle.Interval = 0.5;
Chart1.ChartAreas.Add(_ChartArea); Title title = new Title(_ChartArea.Name, Docking.Top);
Chart1.Titles.Add(title);
title.DockedToChartArea = _ChartArea.Name;
title.IsDockedInsideChartArea = false;
title.Alignment = ContentAlignment.TopCenter; _SeriesJRATE = new Series();
_SeriesJRATE.ChartType = SeriesChartType.Spline;
_SeriesJRATE.Name = DeviceName + "_SJ";
_SeriesJRATE.ChartArea = _ChartArea.Name;
_SeriesJRATE.BorderColor = System.Drawing.Color.Blue;
_SeriesJRATE.Color = Color.Blue;
_SeriesJRATE.BorderWidth = ;
_SeriesJRATE.ShadowOffset = ;
_SeriesJRATE.IsValueShownAsLabel = true;
_SeriesJRATE.MarkerStyle = MarkerStyle.Triangle;
_SeriesJRATE.LegendText = "稼动率";
if (i == ) { _SeriesJRATE.IsVisibleInLegend = true; }
else{ _SeriesJRATE.IsVisibleInLegend = false; } Chart1.Series.Add(_SeriesJRATE); //加入Series _SeriesDRATE = new Series();
_SeriesDRATE.ChartType = SeriesChartType.Spline;
_SeriesDRATE.Name = DeviceName + "_SD";
_SeriesDRATE.ChartArea = _ChartArea.Name;
_SeriesDRATE.BorderColor = System.Drawing.Color.Green;
_SeriesDRATE.Color = Color.Green;
_SeriesDRATE.BorderWidth = ;
_SeriesDRATE.ShadowOffset = ;
_SeriesDRATE.IsValueShownAsLabel = true;
_SeriesDRATE.MarkerStyle = MarkerStyle.Square;
_SeriesDRATE.LegendText = "直接率";
if (i == ) { _SeriesDRATE.IsVisibleInLegend = true; }
else { _SeriesDRATE.IsVisibleInLegend = false; } Chart1.Series.Add(_SeriesDRATE); //加入Series
}
}
int CRows = Chart1.ChartAreas.Count % == ? (Chart1.ChartAreas.Count / + ) : (Chart1.ChartAreas.Count / );
Chart1.Height = + CRows * ;
for (int i = ; i < Chart1.Legends.Count; i++)
{
Chart1.Legends[i].Docking = Docking.Top;
Chart1.Legends[i].Alignment = StringAlignment.Center;
} Chart1.Legends[].Position.X = (float)(((Chart1.Width.Value / - ) / Chart1.Width.Value) * );
Chart1.Legends[].Position.Y = (float)((/ Chart1.Height.Value) * );
Chart1.Legends[].Position.Height = (float)(( / Chart1.Height.Value) * );
Chart1.Legends[].Position.Width = (float)(( / Chart1.Width.Value) * ); ////Chart1.Legends[0].BackColor = Color.Blue;
//Chart1.Legends[0].BorderColor = Color.Blue;
//Chart1.Legends[0].ForeColor = Color.Blue; for (int i = ; i < Chart1.ChartAreas.Count; i++)
{
int RowNum = i / + ;
if (i % == ) //第一列
{
if (i == ) //第一行
{
Chart1.ChartAreas[i].Position.Y = Chart1.ChartAreas.Count <= ? : ;
}
else //非第一行
{
Chart1.ChartAreas[i].Position.Y = Chart1.ChartAreas[i-].Position.Y+ Chart1.ChartAreas[i-].Position.Height;
}
Chart1.ChartAreas[i].Position.X = 0.0F;
Chart1.ChartAreas[i].Position.Width = ;
Chart1.ChartAreas[i].Position.Height = (float)(( / Chart1.Height.Value) * );
}
else //第二列
{ if (i == ) //第一行
{
Chart1.ChartAreas[i].Position.Y = Chart1.ChartAreas.Count <= ? : ;
}
else //非第一行
{
Chart1.ChartAreas[i].Position.Y = Chart1.ChartAreas[i - ].Position.Y + Chart1.ChartAreas[i - ].Position.Height;
}
Chart1.ChartAreas[i].Position.X =;// (float)(Chart1.Height.Value * 0.5 - 10)
Chart1.ChartAreas[i].Position.Width = ;
Chart1.ChartAreas[i].Position.Height = (float)(( / Chart1.Height.Value) * );
} if (ds.Tables[i] != null && ds.Tables[i].Rows.Count > )
{
for (int j = ; j < ds.Tables[i].Rows.Count; j++)
{
int iM = int.Parse(ds.Tables[i].Rows[j]["MONTH"].ToString());
double dJ = double.Parse(ds.Tables[i].Rows[j]["JRATE"].ToString());
double dD = double.Parse(ds.Tables[i].Rows[j]["DRATE"].ToString()); Chart1.Series[Chart1.ChartAreas[i].Name + "_SJ"].Points.AddXY(iM, dJ);
Chart1.Series[Chart1.ChartAreas[i].Name + "_SD"].Points.AddXY(iM, dD);
} //for (int m = 2; m <= 11; m++)
//{
// string strM = m < 10 ? "0" + m.ToString() : m.ToString();
// Chart1.Series[Chart1.ChartAreas[i].Name + "_SH"].Points.AddXY(m, 0);
//}
} } }
} protected DataTable Getdt()
{
string sYear = this.DDLYear.SelectedValue.Trim();
string sSYS = this.DDLSYS.SelectedValue.Trim();
int iYear = iNowYear;
StringBuilder sb = new StringBuilder();
sb.Append(@"SELECT NVL(TA.RESOURCE_NAME,'') DEVICE_NAME
,NVL(SL.LOOKUP_VALUE_NAME,'') INSTALL_LOCATION
,SUBSTR(YEAR_MONTH,6,2) MONTH
,CASE HOURS_STAT_ACT WHEN 0 THEN 0
ELSE ROUND((HOURS_TRAN+HOURS_TRAN_ALLE+HOURS_PREPARE+HOURS_PLAN_CARE)*100/HOURS_STAT_ACT,2)
END JRATE
,CASE HOURS_STAT_ACT WHEN 0 THEN 0
ELSE ROUND(HOURS_TRAN*100/HOURS_STAT_ACT,2)
END DRATE
FROM RES.T_RES_BU_MOVE_REATE TM
LEFT JOIN RES.T_RES_BU_MOVE_REATE_D TD ON TM.MOVE_REATE_ID=TD.MOVE_REATE_ID
LEFT JOIN T_RES_BU_DEVICE_ACCOUNT TA
ON TD.RESOURCE_ID=TA.DEVICE_ACCOUNT_ID
LEFT JOIN T_EB_DB_LOOKUP_VALUE SL ON
SL.LOOKUP_VALUE_CODE=TA.INSTALL_LOCATION
AND SL.LOOKUP_TYPE_CODE='RES_DEV_LOCATION'
WHERE 1=1 ");
if (int.TryParse(sYear, out iYear))
{
sb.Append(@" AND TM.YEAR_MONTH LIKE '" + iYear.ToString() + "%' ");
}
else { }
if (!string.IsNullOrEmpty(sSYS))
{
sb.Append(@" AND TA.INSTALL_LOCATION='" + sSYS + "' ");
}
else { }
sb.Append(@" ORDER BY DEVICE_NAME,MONTH ");
//DataTable dtChart = Gateway.Default.FromCustomSql(sb.ToString()).ToDataSet().Tables[0]; DataSet ds = OraHelper.GetDateDS(sb.ToString());
if (ds != null && ds.Tables.Count > )
{
DataTable dtChart = ds.Tables[];
return dtChart;
}
else return null;
} protected void btnClear_Click(object sender, EventArgs e)
{
this.DDLYear.Text = iNowYear.ToString();
this.DDLSYS.Text ="";
} protected void btnOut_Click(object sender, EventArgs e)
{
SearchChart();
string sPath = Server.HtmlEncode(Request.PhysicalApplicationPath);
string Path = sPath + "\\TempImageFiles\\波动图.jpg";
Chart1.SaveImage(Path);
string DownloadPath=Server.HtmlEncode(Request.ApplicationPath);
DownloadFile(DownloadPath+"/TempImageFiles/波动图.jpg", "波动图.jpg");
} /// <summary>
/// 下载文件
/// </summary>
/// <param name="filename">文件物理地址</param>
protected void DownloadFile(string filePath,string fName)
{
System.IO.FileInfo fi = new System.IO.FileInfo(filePath);
string fileextname = fi.Extension;
string DEFAULT_CONTENT_TYPE = "application/unknown";
RegistryKey regkey, fileextkey;
string filecontenttype;
try
{
regkey = Registry.ClassesRoot;
fileextkey = regkey.OpenSubKey(fileextname);
filecontenttype = fileextkey.GetValue("Content Type", DEFAULT_CONTENT_TYPE).ToString();
}
catch
{
filecontenttype = DEFAULT_CONTENT_TYPE;
}
Response.Clear();
Response.Charset = "utf-8";
Response.Buffer = true;
this.EnableViewState = false;
Response.ContentEncoding = System.Text.Encoding.UTF8;
Response.AppendHeader("Content-Disposition", "attachment;filename=" +
Context.Server.UrlPathEncode(fName));
Response.ContentType = filecontenttype;
Response.WriteFile(filePath);
Response.Flush();
Response.Close(); Response.End();
}
}