怎样绘制股票走势图？

Question

如何实现 搜狐或者腾讯网中的股票走势图？？

Answer 1

gdi能搞定吗？
不懂帮你顶

Answer 2

不懂你的意思
给你一段绘制折线图的代码吧        public Bitmap makeOneBmp(string flg)
        {
            string[] month = new string[12] { "0:00", "2:00", "4:00", "6:00", "8:00", "10:00", "12:00", "14:00", "16:00", "18:00", "20:00", "22:00" };
            float[] d;
            if ("1".Equals(flg))
            {
                d = new float[12] { 40.5f, 60, 10.8f, 15.6f, 30, 70.9f, 50.3f, 30.7f, 70, 50.4f, 30.8f, 20 };
            }
            else
            {
                float[] index = new float[12];
                Random ro = new Random(50);
                long tick = DateTime.Now.Ticks;
                Random ran = new Random((int)(tick & 0xffffffffL) | (int)(tick >> 32));
                for (int i = 0; i < 12; i++)
                {
                    int iResult;
                    int iUp = 100;
                    int iDown = 50;
                    iResult = ran.Next(iDown, iUp);                    double dResult;
                    dResult = ran.NextDouble();                    index[i] = (float)(iResult + dResult);
                }
                //d = new float[12] { index[0], index[1], index[2], index[3], index[4], index[5], index[6], index[7], index[8], index[9], index[10], index[11] };
                d = index;
            }            //画图初始化
            //Bitmap bmap=new Bitmap(500,500);
            Bitmap bmap = new Bitmap(800, 500);
            Graphics gph = Graphics.FromImage(bmap);
            gph.Clear(Color.White);            //PointF cpt=new PointF(40,420);//中心点
            PointF cpt = new PointF(40, 420);//中心点
            //PointF[] xpt = new PointF[3] { new PointF(cpt.Y + 15, cpt.Y), new PointF(cpt.Y, cpt.Y - 8), new PointF(cpt.Y, cpt.Y + 8) };//x轴三角形
            PointF[] xpt = new PointF[3] { new PointF(735, 520), new PointF(720, 520 - 8), new PointF(720, 520 + 8) };//x轴三角形
            PointF[] ypt = new PointF[3] { new PointF(cpt.X, cpt.X - 15), new PointF(cpt.X - 8, cpt.X), new PointF(cpt.X + 8, cpt.X) };//y轴三角形
            // gph.DrawString("某工厂某产品月生产量图表", new Font("宋体", 14), Brushes.Black, new PointF(cpt.X + 60, cpt.X));//图表标题
            //画x轴
            //gph.DrawLine(Pens.Black, cpt.X, cpt.Y, cpt.Y, cpt.Y);
            gph.DrawLine(Pens.Black, cpt.X, cpt.Y, 720, cpt.Y);
            gph.DrawPolygon(Pens.Black, xpt);
            gph.FillPolygon(new SolidBrush(Color.Black), xpt);
            gph.DrawString("月份", new Font("宋体", 12), Brushes.Black, new PointF(700 + 10, cpt.Y + 10));            //画y轴
            gph.DrawLine(Pens.Black, cpt.X, cpt.Y, cpt.X, cpt.X);
            gph.DrawPolygon(Pens.Black, ypt);
            gph.FillPolygon(new SolidBrush(Color.Black), ypt);
            gph.DrawString("单位(万)", new Font("宋体", 12), Brushes.Black, new PointF(0, 7));
            for (int i = 1; i <= 12; i++)
            {
                //画y轴刻度
                if (i < 11)
                {
                    gph.DrawString((i * 10).ToString(), new Font("宋体", 11), Brushes.Black, new PointF(cpt.X - 30, cpt.Y - i * 30 - 6));
                    gph.DrawLine(Pens.Black, cpt.X - 3, cpt.Y - i * 30, cpt.X, cpt.Y - i * 30);
                }                //画x轴项目
                gph.DrawString(month[i - 1].Substring(0, 1), new Font("宋体", 11), Brushes.Black, new PointF(cpt.X + i * 30 - 5, cpt.Y + 5));
                gph.DrawString(month[i - 1].Substring(1, 1), new Font("宋体", 11), Brushes.Black, new PointF(cpt.X + i * 30 - 5, cpt.Y + 20));
                if (month[i - 1].Length > 2) gph.DrawString(month[i - 1].Substring(2, 1), new Font("宋体", 11), Brushes.Black, new PointF(cpt.X + i * 30 - 5, cpt.Y + 35));
                //画点
                gph.DrawEllipse(Pens.Black, cpt.X + i * 30 - 1.5f, cpt.Y - d[i - 1] * 3 - 1.5f, 3, 3);
                gph.FillEllipse(new SolidBrush(Color.Black), cpt.X + i * 30 - 1.5f, cpt.Y - d[i - 1] * 3 - 1.5f, 3, 3);
                //画数值
                gph.DrawString(d[i - 1].ToString(), new Font("宋体", 11), Brushes.Black, new PointF(cpt.X + i * 30, cpt.Y - d[i - 1] * 3));
                //画折线
                if (i > 1) gph.DrawLine(Pens.Red, cpt.X + (i - 1) * 30, cpt.Y - d[i - 2] * 3, cpt.X + i * 30, cpt.Y - d[i - 1] * 3);
            }
            //保存输出图片
            //bmap.Save(Response.OutputStream, ImageFormat.Gif);            return bmap;
        }

Answer 3

就是要在网页上绘制股票的走势图，据说用什么 vml,可是我看腾讯网上的走势图好像是用flash图片哦

Answer 4

搜狐的股票走势图看起来是用flash来做的，请教高手怎么弄出来啊

Answer 5

VML 好东西，有机会可以去研究一下。

Answer 6

GDI+画图后以图片方式输出到网页中
也可用VML直接以脚本方式在网页中画,能很好的与后台通信,但VML只有IE才支持...所以这玩意很少用...