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<p class="style7"><SPAN class=style1>使用正则表达式实现模式图片新闻(加强).ASP</SPAN></p>
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发布时间：2005-4-1 被阅览数：<SCRIPT src="../../counter.asp?id=496"></SCRIPT> 次 作者：断剑
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<td width="100%"><p class="style6"><SPAN>客户要求保存原有的img已在的属性,郁闷,继续改 <BR><BR>代码如下: <BR><BR><BR>function shownew(content,ntype) <BR><BR>shownew = "" <BR><BR>if(ntype = 1) then <BR><BR>shownew = shownew &" <TABLE width=100% >" <BR>shownew = shownew &"<TR>" <BR>shownew = shownew &" <TD width=700 align=center style='word-break:break-all' valign=top>"&ShowPic(content)&"</TD>" <BR>shownew = shownew &"</TR>" <BR>shownew = shownew &"<TR>" <BR>shownew = shownew &" <TD valign=top style='word-break:break-all'>"&OnlyWord(content)&"</TD>" <BR>shownew = shownew &"</TR>" <BR>shownew = shownew &"</TABLE>" <BR><BR><BR>elseif (ntype = 2) then <BR><BR><BR>shownew = shownew &" <TABLE width='100%'>" <BR><BR>shownew = shownew &"<TR>" <BR>shownew = shownew &" <TD style='word-break:break-all' valign=top>"&OnlyWord(content)&"</TD>" <BR>shownew = shownew &"</TR>" <BR>shownew = shownew &"<TR>" <BR>shownew = shownew &" <TD align=center width=700 valign=top style='word-break:break-all'>"&ShowPic(content)&"</TD>" <BR>shownew = shownew &"</TR>" <BR>shownew = shownew &"</TABLE>" <BR><BR>elseif (ntype = 3) then <BR><BR><BR>shownew = shownew &"<TABLE>" <BR><BR>shownew = shownew &"<TR>" <BR>shownew = shownew &"<TD width=100 align=center valign=top>"&ShowPic(content)&"</TD>" <BR><BR>shownew = shownew &"<TD width=80% style='word-break:break-all' valign=top>"&OnlyWord(content)&"</TD>" <BR><BR><BR>shownew = shownew &"</TR>" <BR>shownew = shownew &"</TABLE>" <BR><BR>elseif (ntype = 4) then <BR><BR>shownew = shownew &"<TABLE>" <BR><BR>shownew = shownew &"<TR>" <BR><BR>shownew = shownew &"<TD width=80% valign=top style='word-break:break-all'>"&OnlyWord(content)&"</TD>" <BR>shownew = shownew &"<TD width=100 valign=top align=center>"&ShowPic(content)&"</TD>" <BR><BR>shownew = shownew &"</TR>" <BR>shownew = shownew &"</TABLE>" <BR>else <BR>shownew = shownew &content <BR>end if <BR><BR>end function <BR><BR>'显示提取的图片 <BR>function ShowPic(strng) <BR><BR>set regEx2 = new RegExp <BR><BR>regEx2.Pattern = "(src=)('|"&CHR(34)&"| )?(.[^'| |"&CHR(34)&"]*)(\.)(jpg|gif|png|bmp|jpeg)('|"&CHR(34)&"| |>)?" '设置模式。 <BR>regEx2.IgnoreCase = true '设置是否区分字符大小写。 <BR>regEx2.Global = True '设置全局可用性。 <BR><BR>ShowPic = "" <BR>ImageUrl= RegExpExecute(strng) <BR><BR>ImageUrls = Split(ImageUrl,"{|LDIV|}") <BR><BR><BR>for i = LBound(ImageUrls) to (UBound(ImageUrls) - 1) <BR><BR><BR>Set Matches2 = regEx2.Execute(ImageUrls(i)) '执行搜索。 <BR><BR><BR>For Each Match2 in Matches2 '遍历匹配集合。 <BR><BR>'全Img标签 <BR>newpic = LCase(ImageUrls(i)) <BR><BR>'如果没有自定义BORDER增加BOrder=0,其它原属性保留 <BR><BR>if(instr(newpic,"border")=false) then newpic = left(newpic,len(newpic)-1) + " border='0' >" <BR>if(instr(newpic,"width")=false) then newpic = left(newpic,len(newpic)-1) + " width='200' >" <BR><BR>newpic = "<a style='padding:20px' href='"&Match2.SubMatches(2)&Match2.SubMatches(3)&Match2.SubMatches(4)&"' >"& newpic & "</a>" <BR><BR>ShowPic = ShowPic & newpic <BR>Next <BR><BR><BR>next <BR><BR>Set regEx2 = nothing <BR>end function <BR><BR><BR>'从内容中提取图片 <BR>Function RegExpExecute(strng) <BR>Dim regEx, Match, Matches '建立变量。 <BR>Set regEx = New RegExp '建立正则表达式。 <BR><BR>regEx.Pattern = "(<)(.[^<]*)(src=)('|"&CHR(34)&"| )?(.[^'|\s|"&CHR(34)&"]*)(\.)(jpg|gif|png|bmp|jpeg)('|"&CHR(34)&"|\s|>)(.[^>]*)(>)" '设置模式。 <BR><BR><BR>regEx.IgnoreCase = true '设置是否区分字符大小写。 <BR>regEx.Global = True '设置全局可用性。 <BR>Set Matches = regEx.Execute(strng) '执行搜索。 <BR>For Each Match in Matches '遍历匹配集合。 <BR>values=values&Match.Value&"{|LDIV|}" <BR>Next <BR>RegExpExecute = values <BR>End Function <BR><BR>'删除内容中与图片有关的代码 <BR>function OnlyWord(strng) <BR>Set re=new RegExp <BR>re.IgnoreCase =True <BR>re.Global=True <BR><BR>re.Pattern = "(<)(.[^<]*)(src=)('|"&CHR(34)&"| )?(.[^'|\s|"&CHR(34)&"]*)(\.)(jpg|gif|png|bmp|jpeg)('|"&CHR(34)&"|\s|>)(.[^>]*)(>)" '设置模式。 <BR>OnlyWord=re.Replace(strng,"") <BR>Set re= nothing <BR><BR>end function <BR><BR></SPAN></p>
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