UBB(vb.net完整版)

2024-07-10 13:00:31

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最近一段时间我用vb.net做论坛，在网上找了一下，虽然有关于ubb（vb.net）的转换代码，可是都不全面，我在这里补充了一下，拿出来和大家共享。
有什么问题到我个人的论坛www.hushiyu.com来交流，随时欢迎。

public class ubbs
function ubb(vstr as string)

'替换html标记及换行处理
vstr = replace(vstr, ">", ">")
vstr = replace(vstr, "<", "<")
vstr = replace(vstr, chr(32), " ")
vstr = replace(vstr, chr(9), "  ")
vstr = replace(vstr, chr(34), """)
vstr = replace(vstr, chr(39), "'")
vstr = replace(vstr, chr(13), "")
vstr = replace(vstr, chr(10), "<br> ")
vstr = replace(vstr, "[enter]", "<br> ")

dim xface as integer
if xface=1 then
'表情转换,数值型变量xface=1时，允许转换
vstr = replace(vstr,":)","<img src=""http://www.163design.net/n/d/em/em1.gif"">")
vstr = replace(vstr,":(","<img src=""http://www.163design.net/n/d/em/em2.gif"">")
vstr = replace(vstr,":o","<img src=""http://www.163design.net/n/d/em/em3.gif"">")
vstr = replace(vstr,":d","<img src=""http://www.163design.net/n/d/em/em4.gif"">")
vstr = replace(vstr,";)","<img src=""http://www.163design.net/n/d/em/em5.gif"">")
vstr = replace(vstr,":p","<img src=""http://www.163design.net/n/d/em/em6.gif"">")
vstr = replace(vstr,":cool:","<img src=""http://www.163design.net/n/d/em/em7.gif"">")
vstr = replace(vstr,":mad:","<img src=""http://www.163design.net/n/d/em/em8.gif"">")
vstr = replace(vstr,":eek:","<img src=""http://www.163design.net/n/d/em/em9.gif"">")
vstr = replace(vstr,":?:","<img src=""http://www.163design.net/n/d/em/em0.gif"">")
end if

dim objregex as regex

'屏蔽js等等
objregex = new regex("javascript")
vstr = objregex.replace(vstr,"javascript")
objregex = new regex("jscript:")
vstr = objregex.replace(vstr,"jscript:")
objregex = new regex("js:")
vstr = objregex.replace(vstr,"js:")
objregex = new regex("value")
vstr = objregex.replace(vstr,"value")
objregex = new regex("about:")
vstr = objregex.replace(vstr,"about:")
objregex = new regex("file:")
vstr = objregex.replace(vstr,"file:")
objregex = new regex("document.cookie")
vstr = objregex.replace(vstr,"documents.cookie")
objregex = new regex("vbscript:")
vstr = objregex.replace(vstr,"vbscript:")
objregex = new regex("vbs:")
vstr = objregex.replace(vstr,"vbs:")
objregex = new regex("(on(mouse|exit|error|click|key))")
vstr = objregex.replace(vstr,"on$2")
objregex = new regex("script")
vstr = objregex.replace(vstr,"script")

'ubb转换
'url
objregex = new regex("(/[url=(.[^/[]*)/])(.*?)(/[//url/])")
vstr = objregex.replace(vstr,"<a href=""$2"" target=_blank>$3</a>")
'email
objregex = new regex("/[email/](.[^/[]*)/[//email/]")
vstr = objregex.replace(vstr,"<a href=""mailto:$1"" target=""_blank"">$1</a>")
'img
objregex = new regex("/[img/](http|https|ftp):////(.[^/[]*)/[//img/]")
vstr = objregex.replace(vstr,"<br><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 javascript:if(this.width>screen.width-333)this.width=screen.width-333""></a>")
'自动识别url
objregex = new regex("/[url=(http:////.[^/[]*)/](.[^/[]*)(/[//url/])")
vstr = objregex.replace(vstr,"<a href=""$1"" target=""_blank"">$2</a>")
objregex = new regex("^(http://[a-za-z0-9/./=/?%/-&_~`@':+!]+)")
vstr = objregex.replace(vstr,"<a href=""$1"" target=""_blank"">$1</a>")
objregex = new regex("(http://[a-za-z0-9/./=/?%/-&_~`@':+!]+)$")
vstr = objregex.replace(vstr,"<a target=_blank href=$1>$1</a>")
objregex = new regex("[^>=""](http://[a-za-z0-9/./=/?%/-&_~`@':+!]+)")
vstr = objregex.replace(vstr,"<a target=_blank href=$1>$1</a>")
'color
objregex = new regex("/[color=(.[^/[]*)/](.[^/[]*)/[//color/]")
vstr = objregex.replace(vstr,"<font color=""$1"">$2</font>")
'u
objregex = new regex("/[u/](.*)/[//u/]")
vstr = objregex.replace(vstr,"<u>$1</u>")
'b
objregex = new regex("/[b/](.*)/[//b/]")
vstr = objregex.replace(vstr,"<b>$1</b>")
'i
objregex = new regex("/[i/](.*)/[//i/]")
vstr = objregex.replace(vstr,"<i>$1</i>")
'fly
objregex = new regex("/[fly/](.*)/[//fly/]")
vstr = objregex.replace(vstr,"<marquee width=""80%"" behavior=""alternate"" scrollamount=""3"">$1</marquee>")
'shadow
objregex = new regex("/[shadow=*([0-9]*),*(#*[a-z0-9]*),*([0-9]*)/](.[^/[]*)/[//shadow]")
vstr = objregex.replace(vstr,"<table width=$1 filter:shadow(color=$2, strength=$3)"">$4</table>")
'glow
objregex = new regex("/[glow=*([0-9]*),*(#*[a-z0-9]*),*([0-9]*)/](.[^/[]*)/[//glow]")
vstr = objregex.replace(vstr,"<table width=$1 filter:glow(color=$2, strength=$3)"">$4</table>")
'center
objregex = new regex("(/[center/])(.*?)(/[//center/])")
vstr = objregex.replace(vstr,"<center>$2</center>")

'code
objregex = new regex("/[code/](.*)/[//code/]")
vstr = objregex.replace(vstr,"<table width=""80%""  border=""0"" cellpadding=""2"" cellspacing=""0"" bgcolor=""#99ffcc"" border:1px solid #000000;font-size:9pt;font-family:tahoma""><tr><td>$1</td></tr></table>")

'flash
objregex = new regex("(/[falsh/])(.*?)(/[//falsh/])")
vstr = objregex.replace(vstr,"<object codebase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0 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/go/getflashplayer' type='application/x-shockwave-flash' width=500 height=400>$2</embed></object>")
objregex = new regex("(/[falsh=*([0-9]*),*([0-9]*)/])(.*?)(/[//falsh/])")
vstr = objregex.replace(vstr,"<a href=""$4"" target=_blank><img src=pic/swf.gif border=0 alt=点击开新窗口欣赏该flash动画!> [全屏欣赏]</a><br><br><object codebase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0 classid=clsid:d27cdb6e-ae6d-11cf-96b8-444553540000 width=$2 height=$3><param name=movie value=""$4""><param name=quality value=high><param name=menu value=false><embed src=""$4"" quality=high menu=false pluginspage='http://www.macromedia.com/go/getflashplayer' type='application/x-shockwave-flash' width=$2 height=$3>$4</embed></object>")

'dir
objregex = new regex("/[dir=*([0-9]*),*([0-9]*)/](.[^/[]*)/[//dir]")
vstr = objregex.replace(vstr,"<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>")

'rm
objregex = new regex("/[rm=*([0-9]*),*([0-9]*)/](.[^/[]*)/[//rm]")
vstr = objregex.replace(vstr,"<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>")

'mp
objregex = new regex("/[mp=*([0-9]*),*([0-9]*)/](.[^/[]*)/[//mp]")
vstr = objregex.replace(vstr,"<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>")

'qt
objregex = new regex("/[qt=*([0-9]*),*([0-9]*)/](.[^/[]*)/[//qt]")
vstr = objregex.replace(vstr,"<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/>")

'quote
objregex = new regex("(/[quote/])(.*)(/[//quote/])")
vstr = objregex.replace(vstr,"<table cellpadding=0 cellspacing=0 border=1 width=94% bordercolor=#000000 bgcolor=#f2f8ff align=center  ><tr><td  ><table width=100% cellpadding=5 cellspacing=1 border=0><tr><td >$2</table></table><br>")

'move
objregex = new regex("(/[move/])(.*)(/[//move/])")
vstr = objregex.replace(vstr,"<marquee scrollamount=3>$2</marquee>")

'size
objregex = new regex("(/[size=1/])(.[^/[]*)(/[//size/])")
vstr = objregex.replace(vstr,"<font size=1>$2</font>")
objregex = new regex("(/[size=2/])(.[^/[]*)(/[//size/])")
vstr = objregex.replace(vstr,"<font size=2>$2</font>")
objregex = new regex("(/[size=3/])(.[^/[]*)(/[//size/])")
vstr = objregex.replace(vstr,"<font size=3>$2</font>")
objregex = new regex("(/[size=4/])(.[^/[]*)(/[//size/])")
vstr = objregex.replace(vstr,"<font size=4>$2</font>")

'face
objregex = new regex("(/[face=(.[^/[]*)/])(.[^/[]*)(/[//face/])")
vstr = objregex.replace(vstr,"<font face=$2>$3</font>")

'em

objregex = new regex("(/[em(.[^/[]*)/])")
vstr = objregex.replace(vstr,"<img src=http://www.163design.net/n/d/pic/em$2.gif border=0 align=middle>")
'完成，还可以自己扩展
ubb = vstr
end function

end class

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