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ASP filters HTML <> sensitive characters into HTML encoding instances

Source: Internet
Author: User
Tags chr trim
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Function Dvhtmlcode (ByVal fstring)
If IsNull (fstring) or trim (fstring) = "" Then
Dvhtmlcode= ""
Exit function
End If
fstring = replace (fstring, "&gt;", ">")
fstring = replace (fstring, "&lt;", "<")

fstring = Replace (fstring, "&nbsp;", "")
fstring = Replace (fstring, "&quot;", CHR (34))
fstring = Replace (fstring, "& #39;", CHR (39))
fstring = Replace (fstring, "</P><P>", CHR (Ten) & CHR (10))
fstring = Replace (fstring, "<BR>", CHR (10))

Dvhtmlcode = fstring
End Function
%>
<body>
<form name= "Form1" method= "Post" action= "Action=submit" >
<label>
<textarea name= "textarea" cols= "rows=" "7" ></textarea>
</label>
<p>
<label>
<input type= "text" name= "TextField" >
</label>
</p>
<p>
<label>
<input type= "Submit" name= "Submission" value= "submitted" >
</label>
</p>
</form>
</body>
<%
If Request ("action") = "Submit" Then
ubbhtml = Request. Form ("textarea")
Ubbtitle = Request. Form ("TextField")
If ubbhtml <> "" Then
Htmlcode = Dvhtmlcode (ubbhtml)
Else
' Save data
End If
Else
Response. Write ("uncommitted content")
End If

' We use it in the display
Response. Write (Dvhtmlencode (htmlcode)) ' So you can filter the code that destroys data or page effects perfectly
Function Dvhtmlencode (ByVal fstring)
If IsNull (fstring) or trim (fstring) = "" Then
Dvhtmlencode= ""
Exit function
End If
fstring = replace (fstring, ">", "&gt;")
fstring = replace (fstring, "<", "&lt;")

fstring = Replace (fstring, CHR (), "&nbsp;")
fstring = Replace (fstring, CHR (9), "&nbsp;")
fstring = Replace (fstring, CHR (), "&quot;")
fstring = Replace (fstring, CHR (), "& #39;")
fstring = Replace (fstring, CHR (13), "")
fstring = Replace (fstring, CHR (a) & CHR (a), "</P><P>")
fstring = Replace (fstring, CHR (), "<BR>")

    Dvhtmlencode = fstring
End Function
' original reproduced in this site annotated www.111cn.net

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
html case sensitive language html encoding html characters html char encoding html encoding converter html encoding php html encoding utf8
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