OWC的应用

最新推荐文章于 2021-02-21 14:06:28 发布

xuwenwu

最新推荐文章于 2021-02-21 14:06:28 发布

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分类专栏： ASP.NET专栏文章标签： string textbox object javascript server asp

本文链接：https://blog.csdn.net/xuwenwu/article/details/1502896

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本文介绍了一种使用OWC11图表组件创建动态图表的方法。通过数据库查询获取数据，并利用JavaScript和C#进行图表初始化设置，实现不同维度的数据展示。具体涵盖了图表类型的设定、图例配置、坐标轴说明等内容。

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方法一:

前台代码:

<% @ Page Language="C#" AutoEventWireup="true" CodeFile="ViewDeptDriver.aspx.cs" Inherits="web_CarsManage_ViewDeptDriver" %>

<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >

< html xmlns ="http://www.w3.org/1999/xhtml" >

< head runat ="server" >

< title > 无标题页 </ title >

< script language ="javascript" >

<!--

function Ini()

{

document.form1.all["tbFrom"].readOnly = true;

document.form1.all["tbTo"].readOnly = true;

var chart = document.form1.Chart;//new ActiveXObject("OWC11.ChartSpace.11");

var c = chart.Constants;

if(chart == null)

{

alert("您没有安装Office!");

}

chart.Clear();

var m_Chart = chart.Charts.Add(0);

//m_Chart.PlotArea.Interior.SetOneColorGradient(c.chGradientVariantStart,c.chGradientVariantStart,0.15, "Silver")

m_Chart.HasLegend = true

//m_Chart.HasToolBar = true

m_Chart.Toolbar = true

m_Chart.HasTitle = true

m_Chart.Title.Caption = "IP访问按区域汇总统计";

m_Chart.Axes(0).HasTitle = true;

m_Chart.Axes(0).Title.Caption = "国家/地区";

m_Chart.Axes(1).HasTitle = true;

m_Chart.Axes(1).Title.Caption = "访问数";

m_Chart.type=0;

var aCats = <% =DriverName.ToString()%>;//["中国","美国","澳大利亚"];

var aVals = <% =DeptName.ToString()%>;//[100, 120, 128];

var oSer = m_Chart.SeriesCollection.Add(0);

oSer.SetData(c.chDimSeriesNames,-1, "图例");

oSer.SetData(c.chDimCategories,-1,aCats);

oSer.SetData(c.chDimValues,-1,aVals);

chart.AllowPropertyToolbox = true;

chart.DisplayToolbar=true;

}

-->

</ script >

</ head >

< body style ="text-align: center" onload ="javascript:Ini();" >

< form id ="form1" runat ="server" >

< div style ="text-align: center" >

< table width ="100%" height ="100%" >

< tr >

< td width ="100%" height ="100%" >

开始日期： < asp:TextBox ID ="tbFrom" runat ="server" MaxLength ="10" Height ="15px" Width ="91px" ></ asp:TextBox >

     截止日期：

< asp:TextBox ID ="tbTo" runat ="server" MaxLength ="10" Height ="15px" Width ="85px" ></ asp:TextBox >

     < input type ="submit" id ="btnSearch" runat ="server" value =" 查看 " />

     < input type ="button" id ="btnRtn" runat ="server" value =" 返回 "

onclick ="javascript:window.history.back();" />

</ td >

</ tr >

< tr >

< td >

< object id ="Chart" name ="Chart" codebase ="http://www.smnpc.cn/bin/OWC11.DLL#version=11,0,6555,0"

classid ="clsid:0002E55D-0000-0000-C000-000000000046" progid ="OWC11.ChartSpace.11"

viewastext />

</ td >

</ tr >

< tr >

< td align ="center" >

</ tr >

</ table >

</ div >

</ form >

</ body >

</ html >

后台代码:

using System;

using System.Data;

using System.Configuration;

using System.Collections;

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 System.Text;

public partial class web_CarsManage_ViewDeptDriver : System.Web.UI.Page

{

protected StringBuilder DriverName = new StringBuilder("[");

protected StringBuilder DeptName = new StringBuilder("[");

protected void Page_Load(object sender, EventArgs e)

{

GetCountries();

}

private void GetCountries()

{

Yesidea.DAO.DbHelperSQL dbhelper = new Yesidea.DAO.DbHelperSQL(new Yesidea.DAO.BaseDAO());

DataSet ds = dbhelper.Query("SELECT COUNT(ID),Mileage FROM ViewDicpatchDriver WHERE 1=1 GROUP BY Mileage");

foreach (DataRow dr in ds.Tables[0].Rows)

{

DriverName.Append(""" + dr[0].ToString() + "",");

DeptName.Append(dr[0].ToString() + ",");

}

DriverName.Replace(",", "", DriverName.Length - 1, 1);

if (DriverName.Length == 1) DriverName.Append(""无数据"");

DriverName.Append("]");

DeptName.Replace(",", "", DeptName.Length - 1, 1);

if (DeptName.Length == 1) DriverName.Append("0");

DeptName.Append("]");

}

方法二：

using System;

using System.Data;

using System.Configuration;

using System.Collections;

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 System.Data.SqlClient;

using System.Text;

using Yesidea.DAO;

public partial class web_CarsManage_Controls_ViewImage : System.Web.UI.UserControl

{

//声明数据库操作对象

DbHelperSQL dbhelper = new DbHelperSQL(new BaseDAO());

protected StringBuilder DriverName = new StringBuilder("[");

protected StringBuilder OilTotal = new StringBuilder("[");

protected void Page_Load(object sender, EventArgs e)

{

BindControl();

}

protected void BindControl()

{

if (!IsPostBack)

{

ArrayList addyear = new ArrayList();

for (int i = DateTime.Now.Year - 20; i < DateTime.Now.Year + 10; i++)

{

addyear.Add(i);

this.ddlYear.Items.Add(i.ToString());

}

this.ddlYear.Items[20].Selected = true;

//填充数据集

string cmdtxt1 = "Select Distinct Cnumber from Car_info";

DataSet ds1 = dbhelper.Query(cmdtxt1);

//绑定DropDownList显示车号

for (int i = 0; i < ds1.Tables[0].Rows.Count; i++)

{

this.ddlCnumber.Items.Add(ds1.Tables[0].Rows[i]["Cnumber"].ToString());

}

string cmdtxt2 = "Select Distinct Cdriver from Car_info";

DataSet ds2 = dbhelper.Query(cmdtxt2);

//绑定DropDownList显示司机姓名

for (int i = 0; i < ds2.Tables[0].Rows.Count; i++)

{

this.lstName.Items.Add(ds2.Tables[0].Rows[i]["Cdriver"].ToString());

}

this.lstName.SelectedIndex = 0;

this.Image1.ImageUrl = (Server.MapPath(".")) + "/noinfo.gif";

}

/// <summary>

/// 创建图表

/// </summary>

protected void CreateImage()

{

//创建ChartSpace对象来放置图表

Microsoft.Office.Interop.Owc11.ChartSpace objCSpace = new Microsoft.Office.Interop.Owc11.ChartSpaceClass();

//在ChartSpace对象中添加图表，Add方法返回chart对象

Microsoft.Office.Interop.Owc11.ChChart objChart = objCSpace.Charts.Add(0);

//指定图表的类型。类型由OWC.ChartChartTypeEnum枚举值得到

objChart.Type = Microsoft.Office.Interop.Owc11.ChartChartTypeEnum.chChartTypeLine;

//指定图表是否需要图例

objChart.HasLegend = true;

//给定标题

objChart.HasTitle = true;

objChart.Title.Font.Bold = true;

objChart.Title.Font.Color = "Green";

objChart.Title.Font.Size = 16;

objChart.Title.Caption = this.ddlYear.SelectedItem.Text + "年油耗分析图";

//给定x,y轴的图示说明

objChart.Axes[0].HasTitle = true;

objChart.Axes[0].Title.Caption = "X ：月份";

objChart.Axes[1].HasTitle = true;

objChart.Axes[1].Title.Caption = "Y ：百公里油耗";

//显示横坐标数据(月份)

string strCategory = "1" + " " + "2" + ' ' + "3" + ' ' + "4" + ' ' + "5" + ' ' + "6" + ' ';

strCategory += "7" + ' ' + "8" + ' ' + "9" + ' ' + "10" + ' ' + "11" + ' ' + "12" + ' ';

为标准油耗量数组赋值

为司机百公里油耗数组赋值

//绑定生成的图片

this.Image1.ImageUrl = strAbsolutePath;

}

/// <summary>

/// 创建司机百公里油耗数据集

/// </summary>

/// <param name="cnumber">车号</param>

/// <param name="cdriver">司机姓名</param>

/// <returns></returns>

protected DataSet CreateDriverOilDataSet(string year, string cnumber, string cdriver)

{

string cmdtxt = "select Cdriver,Ctype,Cnumber,sum(futel) as futel, [Year],[Month] from ";

cmdtxt += "(select Cdriver,Ctype,Cnumber,(sum(cfutel)/kilometers)*100 as futel,";

cmdtxt += " datename(year, Stimte) as [Year], datename(month, stimte) as [Month] from ViewDriverUOil ";

cmdtxt += "group by datename(year, Stimte),datename(month, stimte),Ctype,Cdriver,Cnumber,kilometers) ChildTable";

cmdtxt += " where [Year]='" + year + "' and Cnumber='" + cnumber + "' and Cdriver='" + cdriver + "' group by Cdriver,Ctype,Cnumber, [Year],[Month]";

cmdtxt += " order by [Year] asc,[Month] asc";

return dbhelper.Query(cmdtxt);

}

/// <summary>

/// 创建标准百公里油耗数据集

/// </summary>

/// <param name="ctype">车型</param>

/// <returns></returns>

protected DataSet CreateOilDataSet(string cnumber)

{

string cmdtxt = "Select Ctype,CMonth,COilUse from car_oil_info where Ctype='" + cnumber + "' order by CMonth asc";

return dbhelper.Query(cmdtxt);

}

/// <summary>

/// 根据车号查找车型

/// </summary>

/// <param name="cnumber">车号</param>

/// <returns></returns>

protected string GetCarType(string cnumber)

{

string cmdtxt = "select Cdriver,Ctype,Cnumber,sum(futel) as futel, [Year],[Month] from ";

cmdtxt += "(select Cdriver,Ctype,Cnumber,(sum(cfutel)/kilometers)*100 as futel,";

cmdtxt += " datename(year, Stimte) as [Year], datename(month, stimte) as [Month] from ViewDriverUOil ";

cmdtxt += "group by datename(year, Stimte),datename(month, stimte),Ctype,Cdriver,Cnumber,kilometers) ChildTable";

cmdtxt += " where Cnumber='" + cnumber + "' group by Cdriver,Ctype,Cnumber, [Year],[Month]";

cmdtxt += " order by [Year] asc,[Month] asc";

DataSet ds = dbhelper.Query(cmdtxt);

//填充数据集

string Type = String.Empty;

if (ds.Tables[0].Rows.Count != 0)

{

Type = ds.Tables[0].Rows[0][1].ToString();

}

return Type;

}

protected void btnOK_Click(object sender, EventArgs e)

{

string alert = String.Empty;

if (this.ddlCnumber.SelectedIndex == 0)

{

alert += "1、请选择车号！" + "/n";

}

if (this.lstSelectName.Items.Count == 0 )

{

alert += "2、至少选择一名司机进行统计！" + "/n";

}

if (alert != "")

{

Response.Write("<script>alert('" + alert + "');history.go(-1)</script>");

return;

}

CreateImage();

}

protected void btnSelectAll_Click(object sender, EventArgs e)

{

this.lstName.Items.Clear();

this.lstSelectName.Items.Clear();

string cmdtxt2 = "Select Distinct Cdriver from Car_info";

DataSet ds2 = dbhelper.Query(cmdtxt2);

//绑定DropDownList显示司机姓名

for (int i = 0; i < ds2.Tables[0].Rows.Count; i++)

{

this.lstSelectName.Items.Add(ds2.Tables[0].Rows[i]["Cdriver"].ToString());

}

protected void btnSelectSingle_Click(object sender, EventArgs e)

{

this.lstName.SelectedIndex = 0;

ArrayList arylst = new ArrayList();

arylst.Add(this.lstName.SelectedItem.Text);

this.lstName.Items.RemoveAt(this.lstName.SelectedIndex);

for (int i = 0; i < arylst.Count; i++)

{

this.lstSelectName.Items.Add(arylst[i].ToString());

}

protected void btnRemoveSingle_Click(object sender, EventArgs e)

{

this.lstSelectName.SelectedIndex = 0;

ArrayList arylst = new ArrayList();

arylst.Add(this.lstSelectName.SelectedItem.Text);

this.lstSelectName.Items.RemoveAt(this.lstSelectName.SelectedIndex);

for (int i = 0; i < arylst.Count; i++)

{

this.lstName.Items.Add(arylst[i].ToString());

}

protected void btnRemoveAll_Click(object sender, EventArgs e)

{

this.lstName.Items.Clear();

this.lstSelectName.Items.Clear();

string cmdtxt2 = "Select Distinct Cdriver from Car_info";

DataSet ds2 = dbhelper.Query(cmdtxt2);

//绑定DropDownList显示司机姓名

for (int i = 0; i < ds2.Tables[0].Rows.Count; i++)

{

this.lstName.Items.Add(ds2.Tables[0].Rows[i]["Cdriver"].ToString());

}