c#代码画图

说明：此示例代码在我做的一个项目中  不过还是可以学习一下

一：直角坐标系显示数据

先看效果图：

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" alt="" />

代码：

        private List<int> Conuts = new List<int>();

        public List<int> Conuts1
        {
            get { return Conuts; }
            set { Conuts = value; }
        }
        protected void Page_Load(object sender, EventArgs e)
        {

            StaffSystemDataContext dc = new StaffSystemDataContext();
            var Deps = dc.PropertyMappings.Where(p => p.PropertyName.Equals("DepartmentID"));
            foreach (var dep in Deps)
            {
                var Pros = dc.Projects.Where(p => p.DepartmentID.Equals(dep.PropertyValue));
                Conuts1.Add(Pros.Count());
            }
            //画图初始化
            Bitmap bMap = new Bitmap(, );
            Graphics gph = Graphics.FromImage(bMap);
            gph.Clear(Color.White);
            //中心点
            PointF cPt = new PointF(, );
            //X轴三角形
            PointF[] xPt = new PointF[] { new PointF(cPt.Y + , cPt.Y), new PointF(cPt.Y, cPt.Y - ), new PointF(cPt.Y, cPt.Y + ) };
            //Y轴三角形
            PointF[] yPt = new PointF[] { new PointF(cPt.X, cPt.X - ), new PointF(cPt.X - , cPt.X), new PointF(cPt.X + , cPt.X) };
            //图表标题
            gph.DrawString("部门项目汇总图表", new Font("宋体", ), Brushes.Black, new PointF(cPt.X + , cPt.X));
            //画X轴
            gph.DrawLine(Pens.Black, cPt.X, cPt.Y, cPt.Y, cPt.Y);
            gph.DrawPolygon(Pens.Black, xPt);
            gph.FillPolygon(new SolidBrush(Color.Black), xPt);
            gph.DrawString("部门", new Font("宋体", ), Brushes.Black, new PointF(cPt.Y + , cPt.Y + ));
            //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("项目数", new Font("宋体", ), Brushes.Black, new PointF(, ));
            //画Y轴刻度
            for (int i = ; i <= ; i++)
            {
                gph.DrawString(i.ToString(), new Font("宋体", ), Brushes.Black, new PointF(cPt.X - , cPt.Y - i *  - ));
                gph.DrawLine(Pens.Black, cPt.X - , cPt.Y - i * , cPt.X, cPt.Y - i * );
            }
            //画X轴项目
            int a = ;
            foreach (var dep in Deps)
            {

                gph.DrawString(dep.PropertyMeaning.Substring(, ), new Font("宋体", ), Brushes.Black, new PointF(cPt.X + a *  - , cPt.Y + ));
                gph.DrawString(dep.PropertyMeaning.Substring(, ), new Font("宋体", ), Brushes.Black, new PointF(cPt.X + a *  - , cPt.Y + ));
                gph.DrawString(dep.PropertyMeaning.Substring(, ), new Font("宋体", ), Brushes.Black, new PointF(cPt.X + a *  - , cPt.Y + ));
                a++;
            }
            for (int i = ; i <= Deps.Count(); i++)
            {
                //画点
                gph.DrawEllipse(Pens.Black, cPt.X + i *  - 1.5F, cPt.Y - Conuts1[i - ] *  - 1.5F, , );
                gph.FillEllipse(new SolidBrush(Color.Black), cPt.X + i *  - 1.5F, cPt.Y - Conuts1[i - ] *  - 1.5F, , );
                //画数值
                gph.DrawString(Conuts1[i - ].ToString(), new Font("宋体", ), Brushes.Black, new PointF(cPt.X + i * , cPt.Y - Conuts1[i - ] * ));
                //画折线
                if (i > )
                    gph.DrawLine(Pens.Red, cPt.X + (i - ) * , cPt.Y - Conuts1[i - ] * , cPt.X + i * , cPt.Y - Conuts1[i - ] * );
            }
            System.IO.MemoryStream ms = new System.IO.MemoryStream();
            bMap.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
            Response.ClearContent();
            Response.ContentType = "image/Png";
            Response.BinaryWrite(ms.ToArray());
            gph.Dispose();
            bMap.Dispose();
            Response.End();
        }

注意：这里的坐标都是从左上角开始算   而且必须使用最后的一小段代码将其转化为图片

二：绘制圆形效果

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" alt="" />

 StaffSystemDataContext dc = new StaffSystemDataContext();
            var Deps = dc.PropertyMappings.Where(p => p.PropertyName.Equals("DepartmentID"));

            //创建画图对象
            int width = , height = ;
            Bitmap bitmap = new Bitmap(width, height);
            Graphics g = Graphics.FromImage(bitmap);
            try
            {
                //清空背景色
                g.Clear(Color.White);
                Pen pen1 = new Pen(Color.Red);

                Brush brush1 = new SolidBrush(Color.PowderBlue);
                Brush brush2 = new SolidBrush(Color.Blue);
                Brush brush3 = new SolidBrush(Color.Wheat);
                Brush brush4 = new SolidBrush(Color.Orange);
                Brush brush5 = new SolidBrush(Color.Gray);
                Brush brush6 = new SolidBrush(Color.Red);
                Brush brush7 = new SolidBrush(Color.White);
                Brush[] brs = new Brush[] { brush1, brush2, brush3, brush4, brush5, brush6 };
                Font font1 = new Font("Courier New", , FontStyle.Bold);
                Font font2 = new Font("Courier New", );
                g.FillRectangle(brush7, , , width, height);    //绘制背景图
                g.DrawString("员工部门比例饼形图", font1, brush2, new Point(, ));  //书写标题
                int piex = , piey = , piew = , pieh = , sum = ;
                var Pros = dc.Projects.Where(p => p.DepartmentID != null);
                sum = Pros.Count();
                int a = ;
                float j = ;
                foreach (var dep in Deps)
                {
                    var Prods = dc.Projects.Where(p => p.DepartmentID.Equals(dep.PropertyValue));
                    //计算角度
                    float angle = Convert.ToSingle(( / Convert.ToSingle(sum)) * Convert.ToSingle(Prods.Count()));
                    //绘制员工所占比例
                    //FieldInfo fi = type.GetField("ddd" + i.ToString());
                    //temp += fi.GetValue(this).ToString();
                    //Type type = this.GetType();
                    //Brush fi = (Brush)type.GetField("brush" + a.ToString());
                    g.FillPie(brs[a], piex, piey, piew, pieh, j, angle);
                    a++;
                    j = j + angle;
                }

                //绘制标识
                g.DrawRectangle(pen1, , , , );  //绘制范围框
                //绘制小矩形
                int le = , b = ;
                foreach (var dep in Deps)
                {
                    var Prods = dc.Projects.Where(p => p.DepartmentID.Equals(dep.PropertyValue));
                    g.FillRectangle(brs[b], , le, , );
                    g.DrawString("" + dep.PropertyMeaning + "员工占公司总人数比例:" + Convert.ToSingle(Prods.Count()) *  / Convert.ToSingle(sum) + "%", font2, brs[b], , le);
                    le += ;
                    b++;
                }
            }
            catch (Exception ex)
            {
                throw new Exception("有错！！！");
            }
            System.IO.MemoryStream ms = new System.IO.MemoryStream();
            bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
            Response.ClearContent();
            Response.ContentType = "image/Png";
            Response.BinaryWrite(ms.ToArray());
            g.Dispose();
            bitmap.Dispose();
            Response.End();