frmhistoryview.cs

我自己开发的双色球预测软件

                {
                    redNo = i.ToString();
                }
                cbRedNo.Items.Add(redNo);
            }
            cbRedNo.SelectedIndex = 0;
        }
        #endregion

        private void btnStatCur_Click(object sender, EventArgs e)
        {
            int statNum;                                        //统计期数
            int redBallNo;                                      //红球号

            //判断数据的合法性
            if (mtbStatNum.Text.Trim() == string.Empty)
            {
                MessageBox.Show("请输入统计期数！");
                mtbStatNum.Focus();
                return;
            }
            else
            {
                statNum = Convert.ToInt32(mtbStatNum.Text.Trim().ToString());
            }
            redBallNo = cbRedNo.SelectedIndex;
            if (redBallNo < 1 || redBallNo > 33)
            {
                redBallNo = 1;
            }

            ShowChartPanl("btnStatCur");
            ShowChart(redBallNo, statNum);
            ShowStatInfo(statResult);
        }

        #region//显示图表
        /// <summary>
        /// 显示统计图表
        /// </summary>
        /// <param name="redBallNo">要统计红球号码</param>
        /// <param name="statNum">要统计的期数</param>
        private void ShowChart(int redBallNo, int statNum)
        {
            //转换数组
            ArrayList tempArray = new ArrayList();
            double[] yValue;                                    //y值数组
            int Summation;                                      //总和
            string [][] curRedBallData ;                        //当前红球号的统计数据
            
            //得到统计数据
            tempArray = redBall.GetRedFrequency(statNum, redBallNo);
            if (tempArray.Count == 0)
            {
                MessageBox.Show("没有查到数据！");
                return;
            }
            curRedBallData = new string[tempArray.Count][];
            tempArray.CopyTo(curRedBallData);
            //把string数组转换成double数组,只有间隔期数,没有序号
            yValue = new double[curRedBallData.Length];

            for (int i = 0; i < yValue.Length; i++)
            {
                yValue[yValue.Length - i - 1] = Convert.ToDouble(curRedBallData[i][1].ToString());
            }

            //初始化面板
            plChart.Controls.Clear();
            ZedGraph.ZedGraphControl zgMain = new ZedGraph.ZedGraphControl();
            zgMain.Dock = System.Windows.Forms.DockStyle.Fill;
            plChart.Controls.Add(zgMain);

            GraphPane myPane = zgMain.GraphPane;

            myPane.Title.Text = "红球历史数据分布图";
            myPane.XAxis.Title.Text = "出现次数";
            myPane.YAxis.Title.Text = "间隔期数";

            // Generate a red bar with "Curve 1" in the legend
            CurveItem myCurve = myPane.AddBar("红球" + redBallNo.ToString(), null, yValue, Color.Blue);

            // Draw the X tics between the labels instead of at the labels
            myPane.XAxis.MajorTic.IsBetweenLabels = true;

            // Set the XAxis to the ordinal type
            myPane.XAxis.Type = AxisType.Ordinal;

            // Shift the text items up by 5 user scale units above the bars
            const float shift = 0;

            for (int i = 0; i < yValue.Length; i++)
            {
                // format the label string to have 1 decimal place
                string lab = yValue[i].ToString("F1");
                // create the text item (assumes the x axis is ordinal or text)
                // for negative bars, the label appears just above the zero value
                TextObj text = new TextObj(lab, (float)(i + 1), (float)(yValue[i] < 0 ? 0.0 : yValue[i]) + shift);
                // tell Zedgraph to use user scale units for locating the TextObj
                text.Location.CoordinateFrame = CoordType.AxisXYScale;
                // AlignH the left-center of the text to the specified point
                text.Location.AlignH = AlignH.Left;
                text.Location.AlignV = AlignV.Center;
                text.FontSpec.Border.IsVisible = false;
                text.FontSpec.Fill.IsVisible = false;
                // rotate the text 90 degrees
                text.FontSpec.Angle = 90;
                // add the TextObj to the list
                myPane.GraphObjList.Add(text);
            }

            // Indicate that the bars are overlay type, which are drawn on top of eachother
            myPane.BarSettings.Type = BarType.Overlay;

            // Fill the axis background with a color gradientC:\Documents and Settings\champioj\Desktop\ZedGraph-4.9-CVS\demo\ZedGraph.Demo\StepChartDemo.cs
            myPane.Chart.Fill = new Fill(Color.White, Color.LightGoldenrodYellow, 45.0F);

            zgMain.AxisChange();

            // Add one step to the max scale value to leave room for the labels
            myPane.YAxis.Scale.Max += myPane.YAxis.Scale.MajorStep;

            //计算统计信息
            statResult = new StatResult();
            Summation = 0;
            statResult.Appear = 0;
            statResult.Appear1 = 0;
            statResult.HitAward = yValue.Length - 1;
            statResult.CurValue = Convert.ToInt32(yValue[yValue.Length - 1].ToString());
            for (int i = 0; i < statResult.HitAward; i++)
            {
                int curValue = Convert.ToInt32(yValue[i].ToString());
                Summation += curValue;
                //当前期数出现次数
                if (curValue == statResult.CurValue && i != statResult.HitAward)
                {
                    statResult.Appear += 1;
                }
                //当前期数正负一期出现次数
                if (statResult.CurValue >= curValue - 1 && statResult.CurValue <= curValue + 1 && i != statResult.HitAward)
                {
                    statResult.Appear1 += 1;
                }

            }
            //平均期数
            statResult.Average = Summation / yValue.Length;
            //推荐指数待写
            statResult.Commend = 0;
        }
        #endregion

        #region//选择显示哪个层
        /// <summary>
        /// 是否显示图表层
        /// </summary>
        /// <param name="isTrue">是否显示图表层</param>
        private void ShowChartPanl(string btnName)
        {
            //因为btnQuery查询显示结果时经常出现累积显示的现象，所以把查询和其他统计结果分开显示
            switch (btnName)
            {
                case "btnQuery":
                    plView.Visible = true;
                    dgvQuery.Visible = true;
                    dgwHistoryView.Visible = false ;
                    plChart.Visible = false;
                    break;
                case "btnStat":
                    plView.Visible = true;
                    dgvQuery.Visible = false ;
                    dgwHistoryView.Visible = true ;
                    plChart.Visible = false;                    
                    break;
                case "btnStatMap":
                    plView.Visible = true;
                    dgvQuery.Visible = false ;
                    dgwHistoryView.Visible = true ;
                    plChart.Visible = false;
                    break;
                case "btnStatAll":
                    plView.Visible = true ;
                    dgvQuery.Visible = false ;
                    dgwHistoryView.Visible = true ;
                    plChart.Visible = false ;
                    break;
                default:
                    plView.Visible = false;
                    dgvQuery.Visible = true;
                    dgwHistoryView.Visible = false;
                    plChart.Visible = true;                    
                    break;
            }
        }
        #endregion

        #region//显示统计信息
        /// <summary>
        /// 显示统计信息
        /// </summary>
        /// <param name="statResult">统计结果对象</param>
        private void ShowStatInfo(StatResult statResult)
        {
            tsslCurValue.Text = "当前期数：" + statResult.CurValue.ToString();
            tsslAverage.Text = "平均期数为：" + statResult.Average.ToString();
            tsslHitAward.Text = "当前球出现次数：" + statResult.HitAward.ToString();
            tsslAppear.Text = "当前期数出现次数：" + statResult.Appear.ToString();
            tsslAppear1.Text = "正负一期的出现次数：" + statResult.Appear1.ToString();
            tsslCommend.Text = "推荐指数：";
        }
        #endregion

        private void btnStatAll_Click(object sender, EventArgs e)
        {
            int statNum;                                        //统计期数
            ArrayList tempArray;                                //临时数组
            RedBall .StatResult[] statResult;                   //统计结果数组

            tempArray = new ArrayList();
            //判断数据的合法性
            if (mtbStatNum.Text.Trim() == string.Empty)
            {
                MessageBox.Show("请输入统计期数！");
                mtbStatNum.Focus();
                return;
            }
            else
            {
                statNum = Convert.ToInt32(mtbStatNum.Text.Trim().ToString());
            }

            ShowChartPanl("btnStatAll");
            SetDgwType("btnStatAll");
            statResult = redBall.GetAllRedFrequency(statNum);
            //显示数据
            DataGridViewRowCollection rows = this.dgwHistoryView.Rows;
            rows.Add(statResult.Length);
            for (int i = 0; i < statResult.Length; i++)
            {
                if (statResult[i].CurRedBallNo.Length < 2)
                {
                    this.dgwHistoryView.Rows[i].Cells[0].Value ="0" + statResult[i].CurRedBallNo.ToString();
                }
                else
                {
                    this.dgwHistoryView.Rows[i].Cells[0].Value = statResult[i].CurRedBallNo.ToString();
                }
                this.dgwHistoryView.Rows[i].Cells[1].Value = statResult[i].CurValue .ToString ();
                this.dgwHistoryView.Rows[i].Cells[2].Value = statResult[i].Appear .ToString ();
                this.dgwHistoryView.Rows[i].Cells[3].Value = statResult[i].Appear1 .ToString ();
                this.dgwHistoryView.Rows[i].Cells[4].Value = statResult[i].HitAward .ToString ();
                this.dgwHistoryView.Rows[i].Cells[5].Value = statResult[i].Average .ToString ();
                this.dgwHistoryView.Rows[i].Cells[6].Value = statResult[i].Commend .ToString ();
            }

        }
    }
}