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public function add( value )
redim preserve items( cnt )
items( cnt ) = value
data = cnt
cnt = cnt + 1
add = data
end function

public function build()
if cnt < 1 then exit function
if len( orientation ) = 0 or lcase( orientation ) = "horizontal" then
for idx = lbound( items ) to ubound( items )
data = data & "<table height=" & barwidth & " border=1 width=" & maximum & " cellspacing=2>" & vbnewline
data = data & vbtab & "<tr><td width=" & items(idx) & " bgcolor=" & barcolor & " align=center><font size=-4> </font></td>"
if items(idx) < maximum then
data = data & "<td width=" & maximum - items(idx) & "></td>"
end if
data = data & "</tr>" & vbnewline & "</table>" & vbnewline
next
elseif lcase( orientation ) = "vertical" then
data = "<table><tr>" & vbnewline
for idx = lbound( items ) to ubound( items )
data = data & "<td><table width=" & barwidth & " border=1 height=" & maximum & " cellspacing=2>" & vbnewline
if items(idx) < maximum then
data = data & "<tr><td height=" & maximum - items(idx) & "></td></tr>"
end if
data = data & vbtab & "<tr><td height=" & items(idx) & " bgcolor=" & barcolor & " align=center><font size=-4> </font></td>"
data = data & "</tr>" & vbnewline & "</table>" & vbnewline & "</td>" & vbnewline
next
data = data & "</tr></table>" & vbnewline
end if
build = data
end function

end class
%>
使用方法
這個(gè)類(lèi)一共有四個(gè)屬性
barwidth（圖片條的尺寸）
barcolor*(圖片條顏色)
maximum（圖片條最大長(zhǎng)度）
orientation（方向）
有兩個(gè)函數(shù)
add( value ）添加圖片條到圖片中
build()建立圖片
事例：
<!-- #include file=clsgraph.asp -->
<%
public const vert = "vertical"
public const horz = "horizontal"

dim graph

set graph = new inteligraph
graph.barwidth = 10
graph.barcolor = "blue"
graph.maximum = 100
graph.orientation = horz

for idx = 0 to 100 step 25
graph.add( idx )
next

response.write( graph.build() )
%>