关于MsChart的封装与实现

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C#开发的WEB开发的简单框架节省开发信息管理系统时间提高开发效率
构建一个WEB开发的基础框架（主要包括数据库处理、页面框架及工具类），形成ASP.NET信息管理系统快速开发架构。
一、框架实现了基于XML定制的列表查询及图表展现
二、列表实现了复杂查询条件、合并行列(分组求和的处理)、汇总行及钻取数据和图表的钻取
三、编辑配置支持单表数据的增加和修改，针对开发人员实现的编辑页面可方便扩展主表新增字段
使开发人员专注于系统的业务实现，节省开发时间，提高开发效率

试用登录http://121.18.78.216/

源代码下载：http://download.csdn.net/source/3160602

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.UI.DataVisualization.Charting;
using MyQuery.Utils;
using System.Web.UI;
using System.Data;
using System.Collections;

namespace MyQuery.MyControl
{
/// <summary>
/// 封装的处理MsChart的对象类
/// by 贾世义 2009-2-18
/// </summary>
[Serializable]
public sealed class MyChart
{
private int _width = 600;
/// <summary>
/// 宽度默认600
/// </summary>
public int Width
{
get
{
if (_width < 50)
{
return 600;
}
else
{
return _width;
}
}
set { _width = value; }
}
private int _height = 500;
/// <summary>
/// 高度默认500
/// </summary>
public int Height
{
get
{
if (_height < 50)
{
return 500;
}
else
{
return _height;
}
}
set { _height = value; }
}
/// <summary>
/// 外观配置模板
/// </summary>
public string Template = null;
/// <summary>
/// 标题集合
/// </summary>
public List<ChartTitle> Titles = null;
/// <summary>
/// 对应图像ChartArea的MyArea集合
/// </summary>
public List<MyArea> MyAreas = null;
/// <summary>
/// 数据源
/// </summary>
public object DataSource = null;
/// <summary>
/// 处理的数据列
/// </summary>
public MyColumns DataColumns = null;
/// <summary>
/// 查询对应的名称
/// </summary>
public string Name = null;
/// <summary>
/// 当期用户ID
/// </summary>
public string UserAccount = null;
/// <summary>
/// 计算使用的脚本
/// </summary>
public string CalcScript = null;
/// <summary>
/// 获得图形对象
/// </summary>
/// <param name="page">页面实例</param>
/// <param name="type">输出类型</param>
/// <returns></returns>
public Chart GetChart(Page page, RenderType type)
{
Chart result = new Chart();
//图像属性
result.RenderType = type;
if (type == RenderType.ImageTag)
{
result.ImageStorageMode = ImageStorageMode.UseImageLocation;
result.ImageLocation = "~/Img/temp/ChartPic_#SEQ(300,1)";
}
result.AlternateText = "分析图形";
result.Attributes.Add("align", "center");
result.Width = Width;
result.Height = Height;
if (String.IsNullOrEmpty(Template))
{
result.Serializer.Content = SerializationContents.Default;
}
else
{
result.LoadTemplate(Template);
}
if (Titles != null)
{
//标题
foreach (ChartTitle obj in Titles)
{
result.Titles.Add(new Title(obj.Text, obj.Docking));
}
}
if (MyAreas == null || MyAreas.Count == 0)
{
throw new Exception("图像的区域配置不能为空");
}
foreach (MyArea myArea in MyAreas)
{
//图像区域
ChartArea item = new ChartArea(myArea.Name);
item.Area3DStyle.Enable3D = myArea.IsShow3D;
item.AxisX.IsLabelAutoFit = true;
item.AxisX.LabelAutoFitStyle = LabelAutoFitStyles.DecreaseFont | LabelAutoFitStyles.IncreaseFont | LabelAutoFitStyles.WordWrap;
if (!String.IsNullOrEmpty(myArea.XDataFormat))
{
item.AxisX.LabelStyle.Format = myArea.XDataFormat;
}
if (!String.IsNullOrEmpty(myArea.YDataFormat))
{
item.AxisY.LabelStyle.Format = myArea.YDataFormat;
}
//绑定数据
//图例
if (myArea.Lengend != null && !IsExit(result.Legends, myArea.Lengend.Name))
{
Legend legend = new Legend(myArea.Lengend.Name);
if (!String.IsNullOrEmpty(myArea.Lengend.Title))
{
legend.Title = myArea.Lengend.Title;
}
legend.Docking = myArea.Lengend.Docking;
legend.Enabled = true;
result.Legends.Add(legend);
}
//数据及系列
if (myArea.IsDataTable && DataSource != null)
{
result.DataBindTable(((DataTable)DataSource).DefaultView, myArea.XField);
}
if (myArea.MySeries != null)
{
foreach (MySerie mySerie in myArea.MySeries)
{
Series serie = new Series(mySerie.Name);
serie.ChartArea = myArea.Name;
serie.ChartType = mySerie.ChartType;
if (myArea.Lengend != null)
{
serie.Legend = myArea.Lengend.Name;
if (!String.IsNullOrEmpty(mySerie.Title))
{
serie.LegendText = mySerie.Title;
}
}
serie.IsValueShownAsLabel = mySerie.IsValueShownAsLabel;
if (mySerie.IsValueShownAsLabel && !String.IsNullOrEmpty(mySerie.DataFormat))
{
serie.LabelFormat = mySerie.DataFormat;
}
serie.XValueType = mySerie.XValueType;
serie.YValueType = mySerie.YValueType;
if (!myArea.IsDataTable && mySerie.ColumnNames != null)
{
//自身数据优先
object ds = null;
if (mySerie.DataSource == null)
{
ds = DataSource;
}
else
{
ds = mySerie.DataSource;
}
if (ds == null && DataColumns != null)
{
//单条数据
foreach (string name in mySerie.ColumnNames)
{
MyColumn myColumn = DataColumns[name];
if (myColumn != null)
{
DataPoint dataPoint = new DataPoint();
if (!String.IsNullOrEmpty(myColumn.Title))
{
dataPoint.AxisLabel = myColumn.Title;
}
dataPoint.SetValueY(DataHelper.GetDoubleValue(myColumn.Value, 0));
if (!String.IsNullOrEmpty(mySerie.UrlFormatString))
{
string url = null;
if (!String.IsNullOrEmpty(mySerie.UserFields))
{
url = String.Format(mySerie.UrlFormatString, ReflectionDeal.GetUseFieldsValue(DataColumns, null, DataHelper.GetStrings(mySerie.UserFields)));
}
else
{
url = mySerie.UrlFormatString;
}
dataPoint.Url = WebHelper.GetUrl(url);
dataPoint.MapAreaAttributes = "target=/"_blank/"";
}
if (mySerie.IsToolTip)
{
dataPoint.ToolTip = dataPoint.AxisLabel + ":" + DataHelper.GetString(dataPoint.YValues, mySerie.DataFormat);
}
serie.Points.Add(dataPoint);
}
}
}
else if (ds != null)
{
IList list = ReflectionDeal.GetDisplayList(ds);
List<int> iList = new List<int>();
if (myArea.RowIndexs == null)
{
for (int i = 0; i < list.Count; i++)
{
iList.Add(i);
}
}
foreach (int i in iList)
{
DataPoint dataPoint = new DataPoint();
object label = ReflectionDeal.GetValue(list[i], myArea.XField);
if (!DataHelper.IsNullOrEmpty(label))
{
dataPoint.AxisLabel = label.ToString();
}
dataPoint.YValues = new double[mySerie.ColumnNames.Length];
for (int j = 0; j < mySerie.ColumnNames.Length; j++)
{
if (DataColumns == null)
{
dataPoint.YValues[j] = DataHelper.GetDoubleValue(ReflectionDeal.GetValue(list[i], mySerie.ColumnNames[j]), 0);
}
else
{
MyColumn myColumn = DataColumns[mySerie.ColumnNames[j]];
if (myColumn != null)
{
DataColumns.SetColumnsValue(Name, list[i], CalcScript, DataSource, UserAccount, 0);
dataPoint.YValues[j] = DataHelper.GetDoubleValue(myColumn.Value, 0);
}
}
}
if (!String.IsNullOrEmpty(mySerie.UrlFormatString))
{
string url = null;
if (!String.IsNullOrEmpty(mySerie.UserFields))
{
url = String.Format(mySerie.UrlFormatString, ReflectionDeal.GetUseFieldsValue(DataColumns, null, DataHelper.GetStrings(mySerie.UserFields)));
}
else
{
url = mySerie.UrlFormatString;
}
dataPoint.Url = WebHelper.GetUrl(url);
dataPoint.MapAreaAttributes = "target=/"_blank/"";
}
if (mySerie.IsToolTip)
{
dataPoint.ToolTip = dataPoint.AxisLabel + ":" + DataHelper.GetString(dataPoint.YValues, mySerie.DataFormat);
}
serie.Points.Add(dataPoint);
}
}
}
result.Series.Add(serie);
}
}
result.ChartAreas.Add(item);
}
result.Page = page;
return result;
}
/// <summary>
/// 判断是否已经存在
/// </summary>
/// <param name="legends"></param>
/// <param name="name"></param>
/// <returns></returns>
private bool IsExit(LegendCollection legends, string name)
{
if (legends == null || legends.Count == 0)
{
return false;
}
foreach (Legend legend in legends)
{
if (legend.Name.Equals(name))
{
return true;
}
}
return false;
}
}

/// <summary>
/// 封装的处理MsChart的Title对象类
/// by 贾世义 2009-2-18
/// </summary>
[Serializable]
public sealed class ChartTitle
{
/// <summary>
/// 标题文本
/// </summary>
public string Text = null;
/// <summary>
/// 位置
/// </summary>
public Docking Docking = Docking.Top;
/// <summary>
/// 构造函数
/// </summary>
/// <param name="text"></param>
/// <param name="docking"></param>
public ChartTitle(string text, string docking)
{
Text = text;
Docking = ChartHelper.GetDocking(docking);
}
}

/// <summary>
/// 封装的处理MsChart的ChartArea对象类
/// by 贾世义 2009-2-18
/// </summary>
[Serializable]
public sealed class MyArea
{
/// <summary>
/// 名称
/// </summary>
public string Name = null;
/// <summary>
/// 是否显示为3D
/// </summary>
public bool IsShow3D = false;
/// <summary>
/// XValue的展示格式
/// </summary>
public string XDataFormat = null;
/// <summary>
/// YValue的展示格式
/// </summary>
public string YDataFormat = null;
/// <summary>
/// 数据来源是否为DataTable
/// 当true时仅支持DataTable中的数据如不指定serie节则将xfield列作为横坐标其余列各作为一个serie，否则按照指定的列生成serie
/// 当false时如指定了rows属性则只按照指定的行索引，否则取全部数据生成图支持IList和计算列其它同datatable
/// </summary>
public bool IsDataTable = true;
/// <summary>
/// 指定的数据行搭配isdatatable=false使用指定行的索引号的数组
/// </summary>
public List<int> RowIndexs = null;
/// <summary>
/// 横坐标对应字段名称
/// </summary>
public string XField = null;
/// <summary>
/// 图例
/// </summary>
public MyLengend Lengend = null;
/// <summary>
/// 对应数据系列Serie的集合
/// </summary>
public List<MySerie> MySeries = null;
}

/// <summary>
/// 封装的处理MsChart的Lengend对象类
/// by 贾世义 2009-2-18
/// </summary>
[Serializable]
public sealed class MyLengend
{
/// <summary>
/// 名称
/// </summary>
public string Name = null;
/// <summary>
/// 标题文本
/// </summary>
public string Title = null;
/// <summary>
/// 位置
/// </summary>
public Docking Docking = Docking.Right;

/// <summary>
/// 构造函数
/// </summary>
/// <param name="name"></param>
/// <param name="docking"></param>
/// <param name="title"></param>
public MyLengend(string name, string docking, string title)
{
Name = name;
if (String.IsNullOrEmpty(docking))
{
Docking = Docking.Right;
}
else
{
Docking = ChartHelper.GetDocking(docking);
}
Title = title;
}
}

/// <summary>
/// 封装的处理MsChart的ChartSerie对象类
/// by 贾世义 2009-2-18
/// </summary>
[Serializable]
public sealed class MySerie
{
/// <summary>
/// 名称
/// </summary>
public string Name = null;
/// <summary>
/// 序列的标题作为Legend的文本
/// </summary>
public string Title = null;
/// <summary>
/// 图像类型
/// </summary>
public SeriesChartType ChartType = SeriesChartType.Column;
/// <summary>
/// 是否显示值
/// </summary>
public bool IsValueShownAsLabel = false;
/// <summary>
/// label的显示格式
/// </summary>
public string DataFormat = null;
/// <summary>
/// 链接URL格式
/// </summary>
public string UrlFormatString = null;
/// <summary>
/// 链接URL对应的参数字段
/// </summary>
public string UserFields = null;
/// <summary>
/// 是否显示ToolTip
/// </summary>
public bool IsToolTip = true;
/// <summary>
/// X轴值展示数据类型
/// </summary>
public ChartValueType XValueType = ChartValueType.Auto;
/// <summary>
/// Y轴值展示数据类型
/// </summary>
public ChartValueType YValueType = ChartValueType.Auto;
/// <summary>
/// 值表达式必须设置为对应select节的column的name，当多个YValue时name可以用,分割
/// </summary>
public string[] ColumnNames = null;
/// <summary>
/// 系列自己独立的数据源
/// </summary>
public object DataSource = null;
}
}