现在网页的广告越来越多了,有时候想是不是干脆把页面转换为纯文本显示是不是更好一些,看了看GREENBROWSE的一些插件,感觉用JAVASCRIPT或者VBSCRIPT的正则REGEX应该可以实现,浏览的时候看到一篇文章:http://www.codeproject.com/asp/removehtml.asp
里面写了很多方法,最后是VBSCRIPT脚本的,我就复制下来想试一试,放到VB里面,
Option Explicit
Public Function RemoveHTML(strText As String) As String
Dim TAGLIST
TAGLIST = ";!--;!DOCTYPE;A;ACRONYM;ADDRESS;APPLET;AREA;B;BASE;BASEFONT;" & _
"BGSOUND;BIG;BLOCKQUOTE;BODY;BR;BUTTON;CAPTION;CENTER;CITE;CODE;" & _
"COL;COLGROUP;COMMENT;DD;DEL;DFN;DIR;DIV;DL;DT;EM;EMBED;FIELDSET;" & _
"FONT;FORM;FRAME;FRAMESET;HEAD;H1;H2;H3;H4;H5;H6;HR;HTML;I;IFRAME;IMG;" & _
"INPUT;INS;ISINDEX;KBD;LABEL;LAYER;LAGEND;LI;LINK;LISTING;MAP;MARQUEE;" & _
"MENU;META;NOBR;NOFRAMES;NOSCRIPT;OBJECT;OL;OPTION;P;PARAM;PLAINTEXT;" & _
"PRE;Q;S;SAMP;SCRIPT;SELECT;SMALL;SPAN;STRIKE;STRONG;STYLE;SUB;SUP;" & _
"TABLE;TBODY;TD;TEXTAREA;TFOOT;TH;THEAD;TITLE;TR;TT;U;UL;VAR;WBR;XMP;"
Const BLOCKTAGLIST = ";APPLET;EMBED;FRAMESET;HEAD;NOFRAMES;NOSCRIPT;OBJECT;SCRIPT;STYLE;"
Dim nPos1
Dim nPos2
Dim nPos3
Dim strResult
Dim strTagName
Dim bRemove
Dim bSearchForBlock
nPos1 = InStr(strText, "<")
Do While nPos1 > 0
nPos2 = InStr(nPos1 + 1, strText, ">")
If nPos2 > 0 Then
strTagName = Mid(strText, nPos1 + 1, nPos2 - nPos1 - 1)
strTagName = Replace(Replace(strTagName, vbCr, " "), vbLf, " ")
nPos3 = InStr(strTagName, " ")
If nPos3 > 0 Then
strTagName = Left(strTagName, nPos3 - 1)
End If
If Left(strTagName, 1) = "/" Then
strTagName = Mid(strTagName, 2)
bSearchForBlock = False
Else
bSearchForBlock = True
End If
If InStr(1, TAGLIST, ";" & strTagName & ";", vbTextCompare) > 0 Then
bRemove = True
If bSearchForBlock Then
If InStr(1, BLOCKTAGLIST, ";" & strTagName & ";", vbTextCompare) > 0 Then
nPos2 = Len(strText)
nPos3 = InStr(nPos1 + 1, strText, "</" & strTagName, vbTextCompare)
If nPos3 > 0 Then
nPos3 = InStr(nPos3 + 1, strText, ">")
End If
If nPos3 > 0 Then
nPos2 = nPos3
End If
End If
End If
Else
bRemove = False
End If
If bRemove Then
strResult = strResult & Left(strText, nPos1 - 1)
strText = Mid(strText, nPos2 + 1)
Else
strResult = strResult & Left(strText, nPos1)
strText = Mid(strText, nPos1 + 1)
End If
Else
strResult = strResult & strText
strText = ""
End If
nPos1 = InStr(strText, "<")
Loop
strResult = strResult & strText
RemoveHTML = strResult
End Function
幸好还没有写别的什么,刚刚编译生成一个可执行文件,结果MCAFEE就报告:
2005-8-19 22:15:13 已移动(清除失败,因为文件不可清除) 时候\Administrator LINK.EXE C:\Documents and Settings\Administrator\桌面\工程1.exe W32/Stup.worm (病毒)
真是被打败~~~~ 再想想,如果用脚本的话,还是需要所有的页面下载完成后才能解析,也没有什么意义,并且显示效果也不知道如何。
MCAFEE又是我必备的杀毒软件,算了~