When you compile an ASP program, you may need
Indicators are displayed graphically. If only
Is a column chart, you can use the method of drawing a table. Many votes
Most programs use this method. For a pie chart or from data
It is difficult to retrieve the data in the database and display it again.
Alternatively, you can encapsulate EXCEL to complete the above functions, or
Deiphi is used as an activeform input parameter, or PHP
Or Java. Of course, use a relatively mature Image
Components. Microsoft Office Web
Compoent is very good. When I develop a project
This component is used.
Chart. ASP program.
<% Option explicit %>
<! -- # Include file = "adovbs. Inc" -->
<HTML>
<Head>
<Title> bar chart example </title>
<%
Function exportcharttogif (objcspace, strabsfilepath, strrelfilepath)
Dim strfilename
Randomize
Strfilename = timer & RND & ". GIF"
Objcspace. exportpicture strabsfilepath
& "/" & Strfilename, "GIF", 650,400
Exportcharttogif = strrelfilepath
& "/" & Strfilename
End Function
Sub cleanupgif (gifpath)
Dim objfs
Dim objfolder
Dim GIF
Set objfs = server. Createobject ("scripting. FileSystemObject ")
Set objfolder = objfs. getfolder (gifpath)
For each GIF in objfolder. Files
If instr (GIF. Name, ". GIF")> 0 and
Datediff ("N", GIF. datelastmodified, now)> 10 then
Objfs. deletefile gifpath & "/" & GIF. Name, true
End if
Next
Set objfolder = nothing
Set objfs = nothing
End sub
%>
</Head>
<Body bgcolor = "# ffffff">
<Div align = "center">
<Br>
<Br>
<%
Dim sj1, sj2
Sj1 = request. querystring ("S1 ")
Sj2 = request. querystring ("S2 ")
Dim objchartspace
Dim objchart
Dim objseries
Dim objconn
Dim objrs
Dim C
Dim Series
Dim strchartabspath
Dim strchartrelpath
Dim strchartfile
Dim axis
Strchartabspath = server. mappath ("/xjsi-Web/dcss/Chart ")
Strchartrelpath = "/xjsi-Web/dcss/Chart"
'Set the component
Set objchartspace = server. Createobject ("owc. Chart ")
Set objchart = objchartspace. charts. Add
Set c = objchartspace. Constants
Objchartspace. Border. color = "red"
'Display in a bar chart
Objchart. type = 1
Objchart. haslegend = true' whether to display the legend
Objchartspace. haschartspacetitle = true' display title
Objchartspace. chartspacetitle. Caption = "the example of a bar chart uses the Office Web component --www.ourfly.com Chinese technical Website"
Set objconn = server. Createobject ("ADODB. Connection ")
Objconn. open application ("strconn ")
Set objrs = server. Createobject ("ADODB. recordset ")
Set objrs. activeconnection = objconn
Objrs. cursortype = adopenstatic
Objrs. cursorlocation = aduseclient
Objrs. Open "select dwsj, sum (jfr) as jfr
From dcss_do_jfgcfxb where dwsj> = '"& sj1 &"'
And dwsj <'"& sj2 &"'
Group by dwsj order by dwsj ASC"
Set objchartspace. datasource = objrs
'Display the legend content
Objchart. setdata C. chdimseriesnames, 0, "jfr"
For each objseries in objchart. seriescollection
Objseries. setdata C. chdimcategories, 0, "dwsj"
Objseries. setdata C. chdimvalues, 0, "jfr"
Next
For each axis in objchart. Axes
Axis. hastitle = true
If axis. type = C. chcategoryaxis then
Axis. Title. Caption = "month"
Else
Axis. Title. Caption = "people"
End if
Next
Strchartfile = exportcharttogif (objchartspace, strchartabspath, strchartrelpath)
Response. Write "Cleanupgif strchartabspath
Objrs. Close
Set objrs = nothing
Set objconn = nothing
Set objseries = nothing
Set objchart = nothing
Set objchartspace = nothing
%>
</Div>
</Body>
</Html>
Note:
1. On the Office2000 CD, there is an executable file of msowc. MSI. OK
2. We recommend that you use visual interdev6.0 for development. The automatic code prompt function will play a significant role at this time.
As follows:
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