<%@ Language=VBScript %>
<!--#INCLUDE FILE="conn.asp" -->
<%
FUNCTION txtToURL(tekst)
Tekst_temp = tekst


Tekst_temp = Replace(Tekst_temp,"<","&lt;")
Tekst_temp = Replace(Tekst_temp,">","&gt;")

txtToURL = Tekst_temp
END FUNCTION

'--------------------讀取數據------------------------------------
name=request("name")
from=request("from")
subject=request("subject")
email=request("email")
homepage=request("homepage")
hits=request("hits")
retimes=request("retimes")
oicq=request("oicq")
sex=request("sex")
note=request("note")
if from="" then from="遠方的城市"
if oicq="" then oicq="000000"
if hits="" then hits="0"
if retimes="" then retimes="0"
if homepage="" or homepage="http://" then homepage="還沒有!"

'------------------------------------------------------------
if trim(subject)="" then '-------------------------判斷標題
        response.write "<script language='javascript'>" & VbCRlf
	    response.write "alert('請填入標題!');" & VbCrlf
	    response.write "history.go(-1);" & vbCrlf
	    response.write "</script>" & VbCRLF
        response.end
end if        
'------------------------------------------------------------
if trim(name)="" then '--------------判斷名字
		response.write "<script language='javascript'>" & VbCRlf
	    response.write "alert('請填入你的名字');" & VbCrlf
	    response.write "history.go(-1);" & vbCrlf
	    response.write "</script>" & VbCRLF
	    response.end
end if
'------------------------------------------------------------
if trim(oicq)<>"" then '--------------判斷OICQ
		if not(isnumeric(oicq)) then
		response.write "<script language='javascript'>" & VbCRlf
	    response.write "alert('"&name&", OICQ必須是數字.');" & VbCrlf
	    response.write "history.go(-1);" & vbCrlf
	    response.write "</script>" & VbCRLF
	    response.end
end if
if len(oicq)<5 or len(oicq)>9 then
        response.write "<script language='javascript'>" & VbCRlf
	    response.write "alert('OICQ號碼必須大于5小于9位!');" & VbCrlf
	    response.write "history.go(-1);" & vbCrlf
	    response.write "</script>" & VbCRLF
	    response.end
end if
end if
'--------------------判斷email函數----------
If email<>"" and IsValidEmail(email)=false then
	    response.write "<script language='javascript'>" & VbCRlf
	    response.write "alert('信箱地址錯誤!');" & VbCrlf
	    response.write "history.go(-1);" & vbCrlf
	    response.write "</script>" & VbCRLF
	    response.end
end if
'----------------------------------------------
if trim(note)="" then '--------------判斷內容
		response.write "<script language='javascript'>" & VbCRlf
	    response.write "alert('怎么可以沒內容呢？');" & VbCrlf
	    response.write "history.go(-1);" & vbCrlf
	    response.write "</script>" & VbCRLF
	    response.end
end if
'-------------------------------------------------
function IsValidEmail(email)'判斷-------------------------
 dim names, name, i, c
 IsValidEmail = true
 names = Split(email, "@") '-----------判斷有否@-------------------
 if UBound(names) <> 1 then '---------無---------
   IsValidEmail = false
   exit function
 end if
 for each name in names '分割的每段長度-----------------
   if Len(name) <= 0 then
     IsValidEmail = false
     exit function
   end if
   for i = 1 to Len(name)
     c = Lcase(Mid(name, i, 1)) '------------分割成每個字母或數字------------------
     if InStr("abcdefghijklmnopqrstuvwxyz_-.", c) <= 0 and not IsNumeric(c) then
       IsValidEmail = false
       exit function
     end if
   next
   if Left(name, 1) = "." or Right(name, 1) = "." then '---------------------
      IsValidEmail = false
      exit function
   end if
 next
 if InStr(names(1), ".") <= 0 then
   IsValidEmail = false
   exit function
 end if
 i = Len(names(1)) - InStrRev(names(1), ".") '---------------------------
 if i <> 2 and i <> 3 then
   IsValidEmail = false
   exit function
 end if
 if InStr(email, "..") > 0 then
   IsValidEmail = false
 end if

end function '------------------------函數結束

'----------------------------------------------------------------
Set rs= Server.CreateObject("ADODB.Recordset")
sql="select * from book where id="&request("id")
rs.open sql,conn,3,2
rs.update
		rs("n")=Server.HtmlEncode(name)
		rs("f")=Server.HtmlEncode(from)
		rs("e")=email
		rs("hits")=hits
		rs("retimes")=retimes
        rs("subject")=subject
		rs("h")=homepage
		rs("q")=Server.HtmlEncode(oicq)
		rs("note")=txttourl(note)
		rs("s")=sex
		rs.update
		rs.close
		response.redirect "default.asp"

%>