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转换html代码子程序

来源：网络收集作者：佚名时间：2007-04-25 17:06:03

function htmlencode(str)
    on error resume next
    dim result
    dim l
    if isnull(str) then
       htmlencode=""
       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(34)
                result=result+"""
           case "&"
                result=result+"&"
           case chr(13)
                result=result+"<br>"
           case chr(9)
                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 else
                result=result+mid(str,i,1)
         end select
       next
       if err.number<>0 then err.clear
       htmlencode=result
   end function