ASP 非法字符过滤函数

<%
'==============================================================检查提交数据合法性
Function CheckInput()
'--------定义部份------------------
Dim Fy_Post,Fy_Get,Fy_In,Fy_Inf,Fy_Xh,Fy_db,Fy_dbstr,Kill_IP,WriteSql
'自定义需要过滤的字串,用 "|" 分隔
Fy_In = "'|;|and|(|)|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare"

Fy_Inf = split(Fy_In,"|")
'--------POST部份------------------
If Request.Form <> "" Then
For Each Fy_Post In Request.Form
For Fy_Xh = 0 To Ubound(Fy_Inf)
If Instr(LCase(Request.Form(Fy_Post)),Fy_Inf(Fy_Xh)) <> 0 Then
Echo "<Script Language=JavaScript>alert('请不要在参数中包含非法字符！');history.go(-1);</Script>"
Response.End
End If
Next
Next
End If
'----------------------------------
'--------GET部份-------------------
If Request.QueryString <> "" Then
For Each Fy_Get In Request.QueryString
For Fy_Xh = 0 To Ubound(Fy_Inf)
If Instr(LCase(Request.QueryString(Fy_Get)),Fy_Inf(Fy_Xh)) <> 0 Then
Echo "<Script Language=JavaScript>alert('请不要在参数中包含非法字符！');history.go(-1);</Script>"
Response.End
End If
Next
Next
End If
End Function
%>