asp.net --- reponse对象写图片

 ???????FileStream fs = new FileStream(Server.MapPath("images/DSC_0290.JPG"), FileMode.Open);//将图片文件存在文件流中 ???????long fslength = fs.Length;//流长度 ???????byte[] b1 = new byte[(int)fslength];//定义二进制数组 ???????fs.Read(b1, 0, (int)fslength);//将流中字节写入二进制数组中 ???????fs.Close();//关闭流 ???????//Response.ContentType = "image/jpeg"; ???????//Response.BinaryWrite(b1);//将图片输出在页面 ???????Response.Clear(); ???????Response.ContentType = "image/jpg"; ???????Response.BinaryWrite(b1);