防范所有的SQL注入

Function SafeRequest(ParaName) Dim ParaValue ParaValue=Request(ParaName) if IsNumeric(ParaValue) = True then SafeRequest=ParaValue exit Function elseIf Instr(LCase(ParaValue),"select ") > 0 or Instr(LCase(ParaValue),"insert ") > 0 or Instr(LCase(ParaValue),"delete from") > 0 or Instr(LCase(ParaValue),"count(") > 0 or Instr(LCase(ParaValue),"drop table") > 0 or Instr(LCase(ParaValue),"update ") > 0 or Instr(LCase(ParaValue),"truncate ") > 0 or Instr(LCase(ParaValue),"asc(") > 0 or Instr(LCase(ParaValue),"mid(") > 0 or Instr(LCase(ParaValue),"char(") > 0 or Instr(LCase(ParaValue),"xp_cmdshell") > 0 or Instr(LCase(ParaValue),"exec master") > 0 or Instr(LCase(ParaValue),"net localgroup administrators") > 0 or Instr(LCase(ParaValue)," and ") > 0 or Instr(LCase(ParaValue),"net user") > 0 or Instr(LCase(ParaValue)," or ") > 0 then Response.Write "<script language='javascript'>" Response.Write "alert('非法的请求!');" '发现SQL注入攻击提示信息 Response.Write "location.href='http://www.xxxx.com/';" '发现SQL注入攻击转跳网址 Response.Write "<script>" Response.end else SafeRequest=ParaValue End If End function
使用SafeRequest函数替换你的Request