这是一段留言板代码!!!有些方不太懂!!帮忙解释一下!!
function htmlencode2(str)
dim result
dim l
if isNULL(str) then
htmlencode2=""
exit function
end if
l=len(str)
result=""
dim i
for i = 1 to l
select case mid(str,i,1)
case "<"
result=result+"<"
case ">"
result=result+">"
case chr(13)
result=result+"<br>"
case chr(34)
result=result+"""
case "&"
result=result+"&"
case chr(32)
'result=result+" "
if i+1<=l and i-1>0 then
if mid(str,i+1,1)=chr(32) or mid(str,i+1,1)=chr(9) or mid(str,i-1,1)=chr(32) or mid(str,i-1,1)=chr(9) then
result=result+" "
else
result=result+" "
end if
else
result=result+" "
end if
case chr(9)
result=result+" "
case else
result=result+mid(str,i,1)
end select
next
htmlencode2=result
end function
dim WINNT_CHINESE
WINNT_CHINESE=(len("网辰留言")=4)
function strLength(str)
if WINNT_CHINESE then
dim l,t,c
dim i
l=len(str)
t=l
for i=1 to l
c=asc(mid(str,i,1))
if c<0 then c=c+65536
if c>255 then
t=t+1
end if
next
strLength=t
else
strLength=len(str)
end if
end function
我很菜的,详细点