企业网站建设毕业论文(致谢+开题报告+中期报告+源程序) 第7页

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4.2、系统业务逻辑处理公共文件核心代码：
<%
'定义数据库连接的语句
dim db
dim Connstr
dim Conn
dim fout
Dim VbStr
VbStr = Chr(13) & Chr(10)
Sub DBConnBegin()
  db="/qmsz/yyy/basedata/#szqm.mdb"
  'Connstr="Driver={Microsoft Access Driver (*.mdb)};uid=admin;pwd=200000;dbq=" & Server.MapPath(db)
  Connstr="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & Server.MapPath(db)&";Jet Oledb:Database Password=Atllh1987" 
  Set Conn = Server.CreateObject("ADODB.Connection")
  Conn.open connstr
  If Err.Number > 0 Then
        response.write("数据库连接出错，请仔细检查您的数据库连接文件")
  Response.End
  End If
 dim  timeoutsession
 timeoutsession=20
 session.timeout=timeoutsession
End Sub
Sub DBConnEnd()
 Conn.Close
 Set Conn = Nothing
End Sub
' ============================================
' 把字符串进行HTML解码,替换server.htmlencode
' 去除Html格式，用于显示输出
' ============================================
Function outHTML(str)
 Dim sTemp
 sTemp = str
 outHTML = ""
 If IsNull(sTemp) = True Then
  Exit Function
 End If
 sTemp = Replace(sTemp, "&", "&amp;")
 sTemp = Replace(sTemp, "<", "&lt;")
 sTemp = Replace(sTemp, ">", "&gt;")
 sTemp = Replace(sTemp, Chr(34), "&quot;")
 sTemp = Replace(sTemp, Chr(10), "<br>")
 outHTML = sTemp
End Function
Function inHTML(str)
 Dim sTemp
 sTemp = str
 inHTML = ""
 If IsNull(sTemp) = True Then
  Exit Function
 End If
 sTemp = Replace(sTemp, "&", "&amp;")
 sTemp = Replace(sTemp, "<", "&lt;")
 sTemp = Replace(sTemp, ">", "&gt;")
 sTemp = Replace(sTemp, Chr(34), "&quot;")
 inHTML = sTemp
End Function
Function IsSelfRefer()
 Dim sHttp_Referer, sServer_Name
 sHttp_Referer = CStr(Request.ServerVariables("HTTP_REFERER"))
 sServer_Name = CStr(Request.ServerVariables("SERVER_NAME"))
 If Mid(sHttp_Referer, 8, Len(sServer_Name)) = sServer_Name Then
  IsSelfRefer = True
 Else
  IsSelfRefer = False
 End If
End Function
Function Get_SafeStr(str)
 Get_SafeStr = Replace(Replace(Replace(Trim(str), "'", ""), Chr(34), ""), ";", "")
End Function
www.751com.cn
 For i = 1 To l
  c = Asc(Mid(str, i, 1))
  If c < 0 Then c = c + 65536
  If c > 255 Then t = t + 1
 Next
 Get_TrueLen = t
End Function
' ============================================
' 判断是否安全字符串,在注册登录等特殊字段中使用
' ============================================
Function IsSafeStr(str)
 Dim s_BadStr, n, i
 s_BadStr = "' 　&<>?%,;:()`~!@#$^*{}[]|+-=" & Chr(34) & Chr(9) & Chr(32)
 n = Len(s_BadStr)
 IsSafeStr = True
 For i = 1 To n
  If Instr(str, Mid(s_BadStr, i, 1)) > 0 Then
   IsSafeStr = False
   Exit Function  End If Next
End Function
'==============================================
'一个加密的函数
'==============================================
Function EnPas(CodeStr)
 Dim CodeLen,CodeSpace,NewCode,cecr,cecb,cec
 CodeLen = 30
 CodeSpace = CodeLen - Len(CodeStr)
 If Not CodeSpace < 1 Then
  For cecr = 1 To CodeSpace
   CodeStr = CodeStr & Chr(21)
  Next End If

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