仅仅代表我的观点.不怕见笑.有问题请大家指教!我想如果你是牛人,那这个已经不是值得你看的内容,只是觉得对与很多刚入门的ASP程序员来说还是有点实际意义,所以不怕被大家笑话,写了贴在这里!

<%
Function checkStr(str)

if isnull(str) then

checkStr = ""

exit function

end if

checkStr=replace(str," ","")

checkStr=replace(str,"'","'")

checkStr=replace(str,";","'")

checkStr=replace(str,"--","'")

checkStr=replace(str,"(","'")

checkStr=replace(str,"[","'")

checkStr=replace(str,"$","'")

end function

%>

---<%
if len(request.querystring("ddd"))> 8 then
response.write(黑我啊，不要了。少来)
response.end '最好有这句

'''初步是判断是否是数字=======IsNumeric 函数
if IsNumeric(request.querystring("ddd")) then

Execute("select * from [table]")

....

else

response.write(黑我啊，不要了。少来)
response.end '最好有这句

%>

当然了，加上上面的函数，在你的SQL过程里，效果就非常完美了！

呵！！！在变态点做个函数。

---<%
Function checkStr(str)

if isnull(str) then

checkStr = ""

exit function

end if

checkStr=replace(str," ","")

checkStr=replace(str,"'","'")

checkStr=replace(str,";","'")

checkStr=replace(str,"--","'")

checkStr=replace(str,"(","'")

checkStr=replace(str,"[","'")

checkStr=replace(str,"$","'")

checkStr=replace(str,"asc'," ")

checkStr=replace(str,"mid"," ")

checkStr=replace(str,"delete"," ")

checkStr=replace(str,"drop"," ")

'''呵！！我这里没屏蔽select,count，哈！想起来我就笑，太变态了，那其不是我什么都不用了不是更更安全啊！！！呵！！~^)^~
end function

%>

足够了，这个函数加载到sql选取记录集的地方。
如：rsql="select * from table where xxx="&checkstr(request.querystring("xxyy"))&""
或者来就判断字符串

说的有点林乱，但是就是这些了，对于普通的"黑客"已经足够他毫些时间了。但是对于老到的真正意义的黑客，这些都不是万能的东西，人家连服务器都黑，你能怎么样啊？嘿！！

看了些资料，结合自己的经验，写在这里。算是自己复习一下，看到的朋友也可以一起交流！