ASP防注入代码

<%
Dim GetFlag Rem(提交方式)
Dim ErrorSql Rem(非法字符)
Dim RequestKey Rem(提交数据)
Dim ForI Rem(循环标记)
ErrorSql = "’~;~and~(~)~exec~update~count~*~%~chr~mid~master~truncate~char~declare~select" Rem(每个敏感字符或者词语请使用半角 "~" 格开)
ErrorSql = split(ErrorSql,"~")
If Request.ServerVariables("REQUEST_METHOD")="GET" Then
GetFlag=True
Else
GetFlag=False
End If
If GetFlag Then
For Each RequestKey In Request.QueryString
For ForI=0 To Ubound(ErrorSql)
If Instr(LCase(Request.QueryString(RequestKey)),ErrorSql(ForI))<>0 Then
Response.Write ("<meta http-equiv=""Content-Type"" content=""text/html; charset=utf-8"" />")
response.write "<script>alert(""请不要尝试非法注入"");history.go(-1);</script>"
Response.End
End If
Next
Next
Else
For Each RequestKey In Request.Form
For ForI=0 To Ubound(ErrorSql)
If Instr(LCase(Request.Form(RequestKey)),ErrorSql(ForI))<>0 Then
Response.Write ("<meta http-equiv=""Content-Type"" content=""text/html; charset=utf-8"" />")
response.write "<script>alert(""请不要尝试非法注入"");history.go(-1);</script>"
Response.End
End If
Next
Next
End If
%>

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