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ASP
FrontPage 2000+DB2实现数据库信息发布
Execel文件插入到ASP页面
利用ASP在客户端注册DLL文件
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一个基于web的QQ程序 2(xml+asp)
XMLHTTP+javascript+Asp写得聊天室,无刷新实现(一)
XMLHTTP+javascript+Asp写得聊天室,无刷新实现(二)
XMLHTTP+javascript+Asp写得聊天室,无刷新实现(三)
XMLHTTP+javascript+Asp写得聊天室,无刷新实现(四)
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XMLHTTP+javascript+Asp写得聊天室,无刷新实现(六)
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如何制作无状态的ASP组件
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建立动态下拉式选单(三阶层)
用ASP编写的“俄罗斯方块游戏”
利用ASP.NET来访问Excel文档
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具有自攻击性的代码

关于客户端用ASP参生报表(高级篇)


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-11-03   浏览: 145 ::
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  上回曾贴一篇较简单的用ASP+RDS客户端参生报表
此回贴一篇较复杂的用ASP+RDS+组件客户端参生报表
错误说明:(若提示ActiveX 元件无法参生 RDS.DataSpace)
IE需设置安全选项
操作:菜单工具->INTERNET选项->安全性->自定义
设置:起始但ActiveX不标示为安全->开启
原理说明:
客户端直接用RDS产生RecordSet安全性不够,使用了
middle-tier Automation components 后可大大增加安全性!
请看下文:
编写注册元件:
ActiveX Dll project:iacrdsobj.vbp
Class Module name:RsOp

Public Function ReturnRs(strDB As Variant, strSQL As Variant) As ADODB.Recordset
'Returns an ADODB recordset.
On Error GoTo ehGetRecordset
Dim cn As New ADODB.Connection
Dim rs As New ADODB.Recordset
Dim strConnect As String
strConnect = "Provider=SQLOLEDB;Server=server name ;uid=sa;pwd=; Database=" & strDB & ";"
cn.Open strConnect
'These are not listed in the typelib.
rs.CursorLocation = adUseClient
'Using the Unspecified parameters, an ADO/R recordset is returned.
rs.Open strSQL, cn, adOpenUnspecified, adLockUnspecified, adCmdUnspecified
Set ReturnRs = rs
Exit Function
ehGetRecordset:
Err.Raise Err.Number, Err.Source, Err.Description
End Function
然后 MAKE iacrdsobj.dll
若有错,请设置VB菜单PROJECT-REFREENCE
增加 MicroSoft ActiveX Data Object 2.6 Library(当然数字要高一点)

然后 注册iacrdsobj.dll到数据库server(为安全,最好更改数据库uid最好不为sa)!
好,接下来看asp
long1.asp
<html>
<head>
<META content="text/html; charset=gb2312" http-equiv=Content-Type>
<title>client use rds produce excel report</title>
</head>
<body bgColor=skyblue topMargin=5 leftMargin="20" oncontextmenu="return false" rightMargin=0 bottomMargin="0">

<div align="center"><center>
<table border="1" bgcolor="#ffe4b5" style="HEIGHT: 1px; TOP: 0px" bordercolor="#0000ff">
<tr>
<td align="middle" bgcolor="#ffffff" bordercolor="#000080">
<font color="#000080" size="3">
client use rds produce excel report
</font>
</td>
</tr>
</table>
</div>
<form action="long1.asp" method="post" name="myform">
<DIV align=left>
<input type="button" value="Query Data" name="query" language="vbscript" onclick="fun_excel(1)" style="HEIGHT: 32px; WIDTH: 90px">
<input type="button" value="Clear Data" name="Clear" language="vbscript" onclick="fun_excel(2)" style="HEIGHT: 32px; WIDTH: 90px">
<input type="button" value="Excel Report" name="report" language="vbscript" onclick="fun_excel(3)" style="HEIGHT: 32px; WIDTH: 90px">
</div>
<DIV id="adddata"></div>
</form>
</body>
</html>
<script language="vbscript">
sub fun_excel(t)
Dim rds,rs,df,ServerStr
dim strSQL,StrRs
Dim xlApp, xlBook, xlSheet1
ServerStr="http://Sql Server Name" 'the sql server name of register iacRDSObj.dll
'use rds to produce client recordset
set rds = CreateObject("RDS.DataSpace",ServerStr)
'eg:set rds = CreateObject("RDS.DataSpace","http://iac_fa") 'iac_fa is the LAN sql server name
'eg:set rds = CreateObject("RDS.DataSpace","http://10.150.254.102") '10.150.254.102 is the LAN sql server IP Address
'the register com
Set df = rds.CreateObject("iacRDSObj.rsop", ServerStr)
'the query string of sql
strSQL = "Select top 8 * from jobs order by job_id"
'the recordset
Set rs = df.ReturnRs("pubs",strSQL)
if t=1 then
if not rs.eof then
StrRs="<