求助,asp图片上传成功后显示图片代码分析
下边是asp页面脚本上传图片成功后 显示图片的代码,本人初学asp看不懂这些代码每一部是什么意思,求助高手解释!
response.Write("<div style='font-size:12px;color:#FF0000;text-align:center;height:20px;line-height:20px;'>上传文件成功!</div>")
msg="上传文件成功!"
strJS=strJS & "parent.HtmlEdit.focus();" & vbcrlf
strJS=strJS & "var range = parent.HtmlEdit.document.selection.createRange();" & vbcrlf
select case FileExt
case "jpg","gif","png","bmp"
strJS=strJS & "range.pasteHTML('<img src=" & filename
if ImgWidth>0 then
strJS=strJS & " width=" & ImgWidth
end if
if ImgHeight>0 then
strJS=strJS & " height=" & ImgHeight
end if
select case AlignType
case 0,1
strJS=strJS & " align=left"
case 2
strJS=strJS & " align=center"
case 3
strJS=strJS & " align=right"
end select
strJS=strJS & " border=0>');" & vbcrlf
case "swf"
strJS=strJS & "range.pasteHTML('<object classid=clsid:D27CDB6E-AE6D-11cf-96B8-444553540000 codebase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0"
if ImgWidth>0 then
strJS=strJS & " width=" & ImgWidth
end if
if ImgHeight>0 then
strJS=strJS & " height=" & ImgHeight
end if
strJS=strJS & "><param name=movie value=" & FileName & ">"
strJS=strJS & "<param name=quality value=high>"
strJS=strJS & "<embed src=" & FileName & " quality=high pluginspage=http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash type=application/x-shockwave-flash"
if ImgWidth>0 then
strJS=strJS & " width=" & ImgWidth
end if
if ImgHeight>0 then
strJS=strJS & " height=" & ImgHeight
end if
strJS=strJS & "></embed></object>');" & vbcrlf
case else
strJS=strJS & "range.text='[upload=" & FileExt & "]" & FileName & "[/upload]';" & vbcrlf
end select
strJS=strJS & "parent.parent.AddItem('" & filename & "')" & vbcrlf
end if
strJS=strJS & "alert('" & msg & "');" & vbcrlf
strJS=strJS & "history.go(-1);" & vbcrlf
strJS=strJS & "parent.HtmlEdit.focus();" & vbcrlf
strJS=strJS & "</script>"
response.write strJS
set file=nothing
next
set upload=nothing
end sub