richtextbox中的数据怎么转换成html格式？

Question

一个比较笨的方法,就是一行行读取文本框里的文字,再进行判断后将相应的格式转换成对应的HTML格式,可能比较麻烦一点,但我想不出更好的方法!*^_^*

Answer 1

richtextbox1.Text是什么格式呢?

Answer 2

开发winform的xd就没用过richtextbox？最起码开发个支持htm格式的发邮件的工具也应该用得到阿?高手到哪里去了?

Answer 3

这是在作新闻发布系统时的UBBCODE，不知道对你有没有用const ImagePath="../images/"
function UBBCode(strContent)
strContent= FilterJS(strContent)
dim re
dim po,ii
dim reContent
Set re=new RegExp
re.IgnoreCase =true
re.Global=True
po=0
ii=0

re.Pattern="\[IMG\](http|https|ftp):\/\/(.[^\[]*)\[\/IMG\]"
strContent=re.Replace(strContent,"<a onfocus=this.blur() href=""$1://$2"" target=_blank><IMG SRC=""$1://$2"" border=0 alt=按此在新窗口浏览图片 onload=""javascript:if(this.width>screen.width-333)this.width=screen.width-333""></a>")
re.Pattern="\[UPLOAD=(gif|jpg|jpeg|bmp|png)\](.[^\[]*)(gif|jpg|jpeg|bmp|png)\[\/UPLOAD\]"
strContent= re.Replace(strContent,"<br><IMG SRC="""&ImagePath&"$1.gif"" border=0>此主题相关图片如下：<br><A HREF=""$2$1"" TARGET=_blank><IMG SRC=""$2$1"" border=0 alt=按此在新窗口浏览图片 onload=""javascript:if(this.width>screen.width-333)this.width=screen.width-333""></A>")re.Pattern="\[UPLOAD=(.[^\[]*)\](.[^\[]*)\[\/UPLOAD\]"
strContent= re.Replace(strContent,"<br><IMG SRC="""&ImagePath&"$1.gif"" border=0> <a href=""$2"">点击浏览该文件</a>")re.Pattern="\[DIR=*([0-9]*),*([0-9]*)\](.[^\[]*)\[\/DIR]"
strContent=re.Replace(strContent,"<object classid=clsid:166B1BCA-3F9C-11CF-8075-444553540000 codebase=http://download.macromedia.com/pub/shockwave/cabs/director/sw.cab#version=7,0,2,0 width=$1 height=$2><param name=src value=$3><embed src=$3 pluginspage=http://www.macromedia.com/shockwave/download/ width=$1 height=$2></embed></object>")
re.Pattern="\[QT=*([0-9]*),*([0-9]*)\](.[^\[]*)\[\/QT]"
strContent=re.Replace(strContent,"<embed src=$3 width=$1 height=$2 autoplay=true loop=false controller=true playeveryframe=false cache=false scale=TOFIT bgcolor=#000000 kioskmode=false targetcache=false pluginspage=http://www.apple.com/quicktime/>")
re.Pattern="\[MP=*([0-9]*),*([0-9]*)\](.[^\[]*)\[\/MP]"
strContent=re.Replace(strContent,"<object align=middle classid=CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95 class=OBJECT id=MediaPlayer width=$1 height=$2 ><param name=ShowStatusBar value=-1><param name=Filename value=$3><embed type=application/x-oleobject codebase=http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701 flename=mp src=$3  width=$1 height=$2></embed></object>")
re.Pattern="\[RM=*([0-9]*),*([0-9]*)\](.[^\[]*)\[\/RM]"
strContent=re.Replace(strContent,"<OBJECT classid=clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA class=OBJECT id=RAOCX width=$1 height=$2><PARAM NAME=SRC VALUE=$3><PARAM NAME=CONSOLE VALUE=Clip1><PARAM NAME=CONTROLS VALUE=imagewindow><PARAM NAME=AUTOSTART VALUE=true></OBJECT><br><OBJECT classid=CLSID:CFCDAA03-8BE4-11CF-B84B-0020AFBBCCFA height=32 id=video2 width=$1><PARAM NAME=SRC VALUE=$3><PARAM NAME=AUTOSTART VALUE=-1><PARAM NAME=CONTROLS VALUE=controlpanel><PARAM NAME=CONSOLE VALUE=Clip1></OBJECT>")re.Pattern="(\[FLASH\])(.[^\[]*)(\[\/FLASH\])"
strContent= re.Replace(strContent,"<a href=""$2"" TARGET=_blank><IMG SRC=" & ImagePath & "swf.gif border=0 alt=点击开新窗口欣赏该FLASH动画! height=16 width=16>[全屏欣赏]</a><br><OBJECT codeBase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0 classid=clsid:D27CDB6E-AE6D-11cf-96B8-444553540000 width=500 height=400><PARAM NAME=movie VALUE=""$2""><PARAM NAME=quality VALUE=high><embed src=""$2"" quality=high pluginspage='http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash' type='application/x-shockwave-flash' width=500 height=400>$2</embed></OBJECT>")re.Pattern="(\[FLASH=*([0-9]*),*([0-9]*)\])(.[^\[]*)(\[\/FLASH\])"
strContent= re.Replace(strContent,"<a href=""$4"" TARGET=_blank><IMG SRC=" & ImagePath & "swf.gif border=0 alt=点击开新窗口欣赏该FLASH动画! height=16 width=16>[全屏欣赏]</a><br><OBJECT codeBase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0 classid=clsid:D27CDB6E-AE6D-11cf-96B8-444553540000 width=$2 height=$3><PARAM NAME=movie VALUE=""$4""><PARAM NAME=quality VALUE=high><embed src=""$4"" quality=high pluginspage='http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash' type='application/x-shockwave-flash' width=$2 height=$3>$4</embed></OBJECT>")re.Pattern="(\[URL\])(.[^\[]*)(\[\/URL\])"
strContent= re.Replace(strContent,"<A HREF=""$2"" TARGET=_blank>$2</A>")
re.Pattern="(\[URL=(.[^\[]*)\])(.[^\[]*)(\[\/URL\])"
strContent= re.Replace(strContent,"<A HREF=""$2"" TARGET=_blank>$3</A>")re.Pattern="(\[EMAIL\])(\S+\@.[^\[]*)(\[\/EMAIL\])"
strContent= re.Replace(strContent,"<img align=absmiddle src=" & ImagePath & "email1.gif><A HREF=""mailto:$2"">$2</A>")
re.Pattern="(\[EMAIL=(\S+\@.[^\[]*)\])(.[^\[]*)(\[\/EMAIL\])"
strContent= re.Replace(strContent,"<img align=absmiddle src=" & ImagePath & "email1.gif><A HREF=""mailto:$2"" TARGET=_blank>$3</A>")

Answer 4

'自动识别网址
're.Pattern = "^((http|https|ftp|rtsp|mms):(\/\/|\\\\)[A-Za-z0-9\./=\?%\-&_~`@':+!]+)"
'strContent = re.Replace(strContent,"<img align=absmiddle src=pic/url.gif border=0><a target=_blank href=$1>$1</a>")
're.Pattern = "((http|https|ftp|rtsp|mms):(\/\/|\\\\)[A-Za-z0-9\./=\?%\-&_~`@':+!]+)$"
'strContent = re.Replace(strContent,"<img align=absmiddle src=pic/url.gif border=0><a target=_blank href=$1>$1</a>")
're.Pattern = "([^>=""])((http|https|ftp|rtsp|mms):(\/\/|\\\\)[A-Za-z0-9\./=\?%\-&_~`@':+!]+)"
'strContent = re.Replace(strContent,"$1<img align=absmiddle src=pic/url.gif border=0><a target=_blank href=$2>$2</a>")'自动识别www等开头的网址
're.Pattern = "([^(http://|http:\\)])((www|cn)[.](\w)+[.]{1,}(net|com|cn|org|cc)(((\/[\~]*|\\[\~]*)(\w)+)|[.](\w)+)*(((([?](\w)+){1}[=]*))*((\w)+){1}([\&](\w)+[\=](\w)+)*)*)"
'strContent = re.Replace(strContent,"<img align=absmiddle src=pic/url.gif border=0><a target=_blank href=http://$2>$2</a>")'自动识别Email地址，如打开本功能在浏览内容很多的帖子会引起服务器停顿
're.Pattern = "([^(=)])((\w)+[@]{1}((\w)+[.]){1,3}(\w)+)"
'strContent = re.Replace(strContent,"<img align=absmiddle src=pic/url.gif border=0><a target=_blank href=""mailto:$2"">$2</a>")re.Pattern="\[em(.[^\[]*)\]"
strContent=re.Replace(strContent,"<img src="&ImagePath&"em$1.gif border=0 align=middle>")re.Pattern="\[HTML\](.[^\[]*)\[\/HTML\]"
strContent=re.Replace(strContent,"<table width='100%' border='0' cellspacing='0' cellpadding='6' class=tableborder1><td><b>以下内容为程序代码:</b><br>$1</td></table>")
re.Pattern="\[code\](.[^\[]*)\[\/code\]"
strContent=re.Replace(strContent,"<table width='100%' border='0' cellspacing='0' cellpadding='6' class=tableborder1><td><b>以下内容为程序代码:</b><br>$1</td></table>")re.Pattern="\[color=(.[^\[]*)\](.[^\[]*)\[\/color\]"
strContent=re.Replace(strContent,"<font color=$1>$2</font>")
re.Pattern="\[face=(.[^\[]*)\](.[^\[]*)\[\/face\]"
strContent=re.Replace(strContent,"<font face=$1>$2</font>")
re.Pattern="\[align=(center|left|right)\](.*)\[\/align\]"
strContent=re.Replace(strContent,"<div align=$1>$2</div>")re.Pattern="\[QUOTE\](.*)\[\/QUOTE\]"
strContent=re.Replace(strContent,"<table style=""width:80%"" cellpadding=5 cellspacing=1 class=tableborder1><TR><TD class=tableborder1>$1</td></tr></table><br>")
re.Pattern="\[fly\](.*)\[\/fly\]"
strContent=re.Replace(strContent,"<marquee width=90% behavior=alternate scrollamount=3>$1</marquee>")
re.Pattern="\[move\](.*)\[\/move\]"
strContent=re.Replace(strContent,"<MARQUEE scrollamount=3>$1</marquee>")
re.Pattern="\[GLOW=*([0-9]*),*(#*[a-z0-9]*),*([0-9]*)\](.[^\[]*)\[\/GLOW]"
strContent=re.Replace(strContent,"<table width=$1 style=""filter:glow(color=$2, strength=$3)"">$4</table>")
re.Pattern="\[SHADOW=*([0-9]*),*(#*[a-z0-9]*),*([0-9]*)\](.[^\[]*)\[\/SHADOW]"
strContent=re.Replace(strContent,"<table width=$1 style=""filter:shadow(color=$2, strength=$3)"">$4</table>")re.Pattern="\[i\](.[^\[]*)\[\/i\]"
strContent=re.Replace(strContent,"<i>$1</i>")
re.Pattern="\[u\](.[^\[]*)(\[\/u\])"
strContent=re.Replace(strContent,"<u>$1</u>")
re.Pattern="\[b\](.[^\[]*)(\[\/b\])"
strContent=re.Replace(strContent,"<b>$1</b>")
re.Pattern="\[size=([1-4])\](.[^\[]*)\[\/size\]"
strContent=re.Replace(strContent,"<font size=$1>$2</font>")
strContent=replace(strContent,"<I></I>","")
set re=Nothing
UBBCode=strContent
end function

Answer 5

Function FilterJS(v)
if not isnull(v) then
dim t
dim re
dim reContent
Set re=new RegExp
re.IgnoreCase =true
re.Global=True
re.Pattern="(javascript)"
t=re.Replace(v,"&#106avascript")
re.Pattern="(jscript:)"
t=re.Replace(t,"&#106script:")
re.Pattern="(js:)"
t=re.Replace(t,"&#106s:")
're.Pattern="(value)"
't=re.Replace(t,"&#118alue")
re.Pattern="(about:)"
t=re.Replace(t,"about&#58")
re.Pattern="(file:)"
t=re.Replace(t,"file&#58")
re.Pattern="(document.cookie)"
t=re.Replace(t,"documents&#46cookie")
re.Pattern="(vbscript:)"
t=re.Replace(t,"&#118bscript:")
re.Pattern="(vbs:)"
t=re.Replace(t,"&#118bs:")
re.Pattern="(on(mouse|exit|error|click|key))"
t=re.Replace(t,"&#111n$2")
're.Pattern="(&#)"
't=re.Replace(t,"＆#")
FilterJS=t
set re=nothing
end if
End Functionfunction dvHTMLEncode(fString)
if not isnull(fString) then
    fString = replace(fString, ">", "&gt;")
    fString = replace(fString, "<", "&lt;")    fString = Replace(fString, CHR(32), "&nbsp;")
    fString = Replace(fString, CHR(9), "&nbsp;")
    fString = Replace(fString, CHR(34), "&quot;")
    fString = Replace(fString, CHR(39), "&#39;")
    fString = Replace(fString, CHR(13), "")
    fString = Replace(fString, CHR(10) & CHR(10), "</P><P> ")
    fString = Replace(fString, CHR(10), "<BR> ")    dvHTMLEncode = fString
end if
end functionfunction nohtml(str)
    dim re
    Set re=new RegExp
    re.IgnoreCase =true
    re.Global=True
    re.Pattern="(\<.[^\<]*\>)"
    str=re.replace(str," ")
    re.Pattern="(\<\/[^\<]*\>)"
    str=re.replace(str," ")
    nohtml=str
    set re=nothing
end function
%>

Answer 6

不用那么麻烦，用mshtmledit控件应该也可以
ms-help://MS.VSCC.2003/MS.MSDNQTR.2003FEB.2052/progie/workshop/browser/editing/activateeditor.htm#activating_from_scr_and_html

Answer 7

应该有个webbrowser控件吧，richtextbox可能比较麻烦吧

Answer 8

http://blog.csdn.net/foolnet/archive/2005/02/27/rtf2html3.aspx