程式碼如下
<%
'=================================================
'Lonz 通用函数
'=================================================
'含汉字的字符串长度
function strlen(str)
dim p_len
p_len=0
strlen=0
if trim(str)<>"" then
p_len=len(trim(str))
for xx=1 to p_len
if asc(mid(str,xx,1))<0 then
strlen=int(strlen) + 2
else
strlen=int(strlen) + 1
end if
next
end if
end function
'最大字符数；超过返回true，否则返回false；maxnum:最大字符数，strmaxnum:字符
function bymaxnum(maxnum,strmaxnum)
if len(strmaxnum)>maxnum then
bymaxnum=true
else
bymaxnum=false
end if
end function
'最小字符数；超过返回true，否则返回false；maxnum:最大字符数，strmaxnum:字符
function byminnum(minnum,strminnum)
if len(strminnum)<minnum then
byminnum=true
else
byminnum=false
end if
end function
'检查输入不全为或不为汉字，返回true，否则返回false
function isnotcs(strcs)
dim getcs
for cp=1 to len(strcs)
getcs=mid(strcs,cp,1)
if asc(getcs)>=0 then
isnotcs=true
exit function
end if
isnotcs=false
next
end function
'是否为非email地址；为非email地址返回true，否则返回false；判断条件：是否含有“@”
function IsnotEmail(email)
dim names, name, i, c
IsnotEmail = false
names = Split(email, "@")
if UBound(names) <> 1 then
IsnotdEmail = true
exit function
end if
for each name in names
if Len(name) <= 0 then
IsnotEmail = true
exit function
end if
for i = 1 to Len(name)
c = Lcase(Mid(name, i, 1))
if InStr("abcdefghijklmnopqrstuvwxyz_-.", c) <= 0 and not IsNumeric(c) then
IsnotEmail = true
exit function
end if
next
if Left(name, 1) = "." or Right(name, 1) = "." then
IsnotEmail = true
exit function
end if
next
if InStr(names(1), ".") <= 0 then
IsnotEmail = true
exit function
end if
i = Len(names(1)) - InStrRev(names(1), ".")
if i <> 2 and i <> 3 then
IsnotEmail = true
exit function
end if
if InStr(email, "..") > 0 then
IsnotEmail = true
end if
end function
'包含非法字符；只允许英文字母，数字，"-"，"_"，"."
function havespchar(strspchar)
havespchar = false
dim sp,csp
for sp = 1 to Len(strspchar)
csp = Lcase(Mid(strspchar, sp, 1))
if InStr("abcdefghijklmnopqrstuvwxyz_-.", csp) <= 0 and not IsNumeric(csp) then
havespchar = true
exit function
end if
next
end function
%>以上是分享一段ASP表單驗證程式碼的詳細內容。更多資訊請關注PHP中文網其他相關文章！
