ASP常用函數總結

2024-05-04 11:07:03

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'----------------------------------------------------------------------
' 函數功能：　屏蔽HTML代碼
' 參　　數：　StrInput 用戶輸入信息
'----------------------------------------------------------------------
function FunInput(StrInput)
if not isnull(Str) then
StrInput=RePlace(StrInput,"<","<")
StrInput=replace(StrInput,">",">")
StrinPut=replace(Strinput,chr(32)," ")
strinput=replace(strinput,chr(34),""")
strinput=replace(strinput,chr(39),"'")
strinput=replace(strinput,chr(13),"")
FunInput=strinput
end if
end function

'----------------------------------------------------------------------
' 函數功能：　防止ＳＱＬ注入
' 參　　數：　StrValue 用戶提交的數據
'    BloType 數據類型
'   參數值:   true 數值型數據
'               false 字符型數據
'----------------------------------------------------------------------
function FunSQL(StrValue,BloType)
if BloType then
if Isnumeric(StrValue) then
   FunSQL=clng(StrValue)
else
   StrValue=0
end if
else
if not isnull(StrValue) then
   StrValue=lcase(StrValue)
   StrValue=Replace(StrValue,"'","''")
   StrValue=replace(StrValue,"select","")
   StrValue=replace(StrValue,"update","")
   StrValue=replace(StrValue,"insert","")
   StrValue=replace(StrValue,"delete","")
   StrValue=replace(StrValue,";","")
   StrValue=replace(StrValue," ","")
   StrValue=replace(StrValue,chr(255),"")
   StrValue=replace(StrValue,"*","")
   StrValue=replace(StrValue,"%","")
end if
end if
FunSQL=StrValue
end function

'--------------------------------------------------------------------------
' 函數功能：　常用類型轉換
' 參    數:   _Type　數據類型
'    _Value 數據
' 參數值:   _Type 1 : 轉換成數值型數據
'               _Type 2 : 轉換成字符型數據
'               _Type 3 : 轉換成布爾型數據
'--------------------------------------------------------------------------
function FunSwitch(Value_,Type_)
on error resume next
select case Type_
case 1
if isnumeric(Value_) then
   if not isnull(Value_) then
    FunSwitch=clng(Value_)
   else
    FunSwitch=0
   end if
else
   FunSwitch=0
end if
case 2
   if not isnull(Value_) then
    FunSwitch=cstr(Value_)
   else
    FunSwitch=""
   end if
case 3
   if not isnull(Value_) and isnumeric(Value_) then
    FunSwitch=cbool(Value_)
   else
    FunSwitch=false
   end if
case else
   response.redirect("Error.asp?err=請指定 FunSwitch 中要轉達換成的數據類型！")
end select
if err.number<>0 then
response.redirect("Error.asp?err=數據轉換時產生未知錯誤！")
err.clear
end if
end function
''----------------------------------------------------------------------
' 函數功能：　驗證是數據是否來自外部
' 參    數：無
'----------------------------------------------------------------------
function checkfrom()
server_v1=Cstr(Request.ServerVariables("HTTP_REFERER"))
server_v2=Cstr(Request.ServerVariables("SERVER_NAME"))
if mid(server_v1,8,len(server_v2))<>server_v2 then
checkfrom=true
else
checkfrom=false
end if
end function

''----------------------------------------------------------------------
' 函數功能：　JS提示框
' 參    數： StrURL   : 點擊確定后返回到的頁面地址
'    StrMSG   : 對話框的提示信息

'----------------------------------------------------------------------
Function FunMsg(StrURL,StrMSG)
Response.write "<script language='javascript'>"&_
Vbcrlf&"alert("""&StrMSG&""");"&_
Vbcrlf&"window.location="""&StrURL&""";"&_
Vbcrlf&"</script>"
End Function

'--------------------------------------------------------------------------
' 函數功能：　通用分頁
' 參    數:   Intpagecount　總頁數
'    Intmypage 當前頁數
'    Intrecordcount 記錄總數
'    Intpagesize 每頁顯示的記錄數
'--------------------------------------------------------------------------
function funpage(Intpagecount,Intmypage,Intrecordcount,Intpagesize)
'on error resume next
dim Intfor,Intlist,intlist_b
Dim query, a, x, temp
    action = "http://" & Request.ServerVariables("HTTP_HOST") & Request.ServerVariables("SCRIPT_NAME")
    query = Split(Request.ServerVariables("QUERY_STRING"), "&")
    For Each x In query
     a = Split(x, "=")
     If StrComp(a(0), "page", vbTextCompare) <> 0 Then
     temp = temp & a(0) & "=" & a(1) & "&"
     End If
    Next
if intmypage>1 then
   funpage=funpage & "<a href='"&action&"?"&temp&"page=1' title='最前頁' class='no'><font face='Webdings'>9</font></a>"
   funpage=funpage&"<a href='"&action&"?"&temp&"page="&Intmypage-1 & "' title='上一頁' class='no'><font face='Webdings'>7</font></a>"
else
   funpage=funpage &"<font face='Webdings'>9</font>"
    funpage=funpage&"<font face='Webdings'>7</font>"
end if
if Intlist<>0 then
   if cintmypage= Intlist then
   Intlist=Intlist+5
   end if
   else
    Intlist=Intmypage+5
   end if
   if intlist-9<1 then
      intlist_b=1
   else
     intlist_b=intlist-9
   end if
   for Intfor=intlist_b to Intlist
    if intfor<=Intpagecount then
     if intfor=Intmypage then       '-------使當前頁文字為紅色，并不可點擊
     funpage =funpage & strMode&" <font color='#FF0000'><b>"& Intfor & "</b></font>"
    else
     funpage=funpage & strMode &" <a href='"&action&"?"&temp&"page=" & Intfor &"' class='no'>" & Intfor & "</a>"
    end if
   end if
   strMode=" <font color='#BBBBBB'>|</font> "
   next
   if intmypage<intpagecount then
    funpage=funpage&" <a href='"&action&"?"&temp&"page="& Intmypage+1 &"' title='后一頁' class='no'><font face='Webdings'>8</font></a>"
     funpage=funpage &"<a href='"&action&"?"&temp&"page="& Intpagecount & "' title='最后頁' class='no'><font face='Webdings'>:</font></a>"
   else
    funpage=funpage&" <font face='Webdings'>8</font>"
     funpage=funpage &"<font face='Webdings'>:</font></a>"
   end if
   funpage="<table width='100%' border='0' cellspacing='0' cellpadding='0'><tr>"&_
    vbcrlf&"<td width='40%' style=font:14px> 當前第"&Intmypage&"頁　"&Intpagesize&"條/頁　共"&Intpagecount&"頁/"&Intrecordcount&"條記錄< /td>"&_
    vbcrlf&"<td width='60%' align='right'>"&_
    vbcrlf&"<table width='360' border='0' cellspacing='0' cellpadding='0'><tr>"&_
    vbcrlf&"<td align='right' style=font:14px>"&funpage&" </td>"&_
     vbcrlf&"</tr></table></td></tr>"&_
     vbcrlf&"</table>"
if err.number<>0 then
err.clear
response.redirect("error.asp?err=分頁函數出錯，請與管理員聯系！|")
end if
end function
'***************************************************
'函數名：Highlight
'功能:搜索的關鍵詞以高亮的顏色顯示
'參數strText是要被高亮顯示的字符串或變量所在的字串或變量
'strFind是要被高亮顯示的字符串或變量,
'strBefore被高亮顯示的HTML代碼前綴如：<font color=red>
'strAfter被高亮顯示的HTML代碼的后綴:</font>
'*****************************************************
Function Highlight(strText, strFind, strBefore, strAfter)
Dim nPos
Dim nLen
Dim nLenAll

nLen = Len(strFind)
nLenAll = nLen + Len(strBefore) + Len(strAfter) + 1
Highlight = strText
If nLen > 0 And Len(Highlight) > 0 Then
nPos = InStr(1, Highlight, strFind, 1)
Do While nPos > 0
Highlight = Left(Highlight, nPos - 1) & _
strBefore & Mid(Highlight, nPos, nLen) & strAfter & _
Mid(Highlight, nPos + nLen)
nPos = InStr(nPos + nLenAll, Highlight, strFind, 1)
Loop
End If
End Function