<%@ page language="vb" debug="true" %>
<%@ import namespace="system.drawing" %>
<%@ import namespace="system.drawing.imaging" %>
<%@ import namespace="system.drawing.drawing2d" %>
<% ''''''''''''''''''''''''''''
'让asp.net输出图形.
'欧阳东杰(oydj)原创.
'qq:2596812
'e-mail:[email protected]
'msn:[email protected]
'欢迎大家联系我交流技术
'''''''''''''''''''''''''''''
dim strfilename as string '声明变量,用于图片路径
dim i as system.drawing.image '创建.net框架图像处理对象实例
dim imgg1 as integer =cint(int((6 * rnd()) + 1)) '生成1-6的随机数
dim oydj as string=imgg1
strfilename ="d:/o123/"+oydj+".jpg" '载入的图片路径,这里的oydj代表随机生成的变量,用于生成随机图片
i = system.drawing.image.fromfile(strfilename)
dim b as new system.drawing.bitmap(i.width, i.height, pixelformat.format24bpprgb)
dim g as graphics = graphics.fromimage(b)
g.clear(color.blue) '背景色为蓝色
dim sss=request.servervariables("remote_addr")
g.drawimage(i,new point(0,0))
'这里表示生成一个字符,9号宋体加粗白色,pointf(160,50)为在屏幕的坐标
g.drawstring(sss, new font("宋体",9,fontstyle.bold),new solidbrush(color.white),new pointf(160,50))
g.drawstring(sss, new font("宋体",9,fontstyle.bold),new solidbrush(color.white),new pointf(161,51))
response.contenttype="image/jpeg" '指定输出格式为图形
b.save(response.outputstream, imageformat.jpeg)
b.dispose()
%>
代码演示
http://www.ift99.com/pic3.aspx
