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【Vegas原创】用正则表达式解决FCKEditor图片路径问题

2008-05-21 17:02 597 查看

在用FCKEditor发邮件时，正文中图片会显示不出来，因为它默认路径是userfiles/images/*.jpg,如下

<input type="image" height="131" width="139"

src="/userfiles/image/_W@S2WETFST%25F%25Z21AQCI3P.JPG" />
怎么转换为：

<input type="image" height="131" width="139" src="\\[Server]\userfiles\image\_W@S2WETFST%25F%25Z21AQCI3P.JPG" />

asp解法：

'邮件正文
strsql="select txt,Filename,File_Name from bbs where unique_id="+Request.QueryString("Unique_ID")
set rs=connection.execute(strsql)

myTxt = rs("txt")
'利用正则表达式替换img标记

dim objRe
set objRe = New RegExp
'設定正則式

objRe.Pattern = "(src=)('|"&CHR(34)&"| )?(.[^'| |"&CHR(34)&"]*)(\.)(jpg|gif|png|bmp|jpeg)('|"&CHR(34)&"| |>)?"

objRe.IgnoreCase = true
objRe.Multiline = true
objRe.Global = true
set matches = objRe.Execute(myTxt)
newtxt = myTxt
for each match in matches

cccc = split(match.value,"/")
if(ubound(cccc) <> 0) then
'获得应该的字符串
for i=0 to ubound(cccc)
if i = 0 then
mystr = cccc(0)&"\\[server]\"

else if i= ubound(cccc) then
mystr = mystr&cccc(i)
else

mystr = mystr&cccc(i)&"\"

end if
end if

next
newtxt = Replace(newtxt,match.value,mystr)
end if

next

set objRE = nothing

a = "<body background='\\[server]\2008back.gif'>"

Body=a& newtxt &"</body>"

====================================================================

.Net 解法：

using System.Text.RegularExpressions;

string convertExp(string strTxt)
{

string strPattern = "(src=)('|" + (char)34 + "| )?(.[^'| |" + (char)34 + "]*)(\\.)(jpg|gif|png|bmp|jpeg)('|" + (char)34 + "| |>)?";
// Compile the regular expression.
Regex objRe=new Regex(strPattern);
// Match the regular expression pattern against a text string.
MatchCollection matches=objRe.Matches(strTxt);
string mystr="";
string strNewTxt = strTxt;

foreach (Match match in matches)
{

string[] strC = match.Value.Split('/');
//if it's the bottom jpg,break Foreach
if (strC[strC.Length - 1].ToString() == "asdf.jpg\"")
{
break;
}
if (strC.Length != 0)
{
for (int i = 0; i < strC.Length; i++)
{
if (i == 0)
mystr = strC[0] + "\\\\[server]\\";
else if (i == strC.Length - 1)
mystr = mystr + strC[i];
else
mystr = mystr + strC[i] + "\\";
}
strNewTxt = strNewTxt.Replace(match.Value, mystr);
}

}
return strNewTxt;

}

调用：

StringBuilder sb = getMailContent(strSubject);

lblPreview.Text = convertExp(sb.ToString());

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