static void Main()
{
CDbConnection.ReadConfig();
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}
private void Form1_Load(object sender, EventArgs e)
{
CDbConnection.ReadConfig();
this.checkedListBox1.Items.Clear();
DataTable station_tb = CDbConnection.getDt("select Address from v_Gate order by id_pole");
for (int i = 0; i < station_tb.Rows.Count; i++)
{
this.checkedListBox1.Items.Add(station_tb.Rows[i]["Address"]);
}
this.dtpBegin.Value = DateTime.Now.AddDays(-1);
}
private void button3_Click(object sender, EventArgs e)
{
string line = "BeforeLevel";
Color line_color = Color.LightGreen;
DataTable tb = new DataTable();
GraphPane myPane = zedGraphControl1.GraphPane;
myPane.CurveList.Clear();
this.zedGraphControl1.ZoomOutAll(myPane);
for (int i = 0; i < this.checkedListBox1.CheckedItems.Count; i++)
{
string name = this.checkedListBox1.CheckedItems[i].ToString();
PointPairList list1 = new PointPairList();
tb = CDbConnection.getDt("select StrTime, " + line + " from v_GateDatas where Address= '" + name + "' and StrTime between '" + dtpBegin.Value.ToString() + "' and '" + dtpEnd.Value.ToString() + "'order by StrTime");
if (tb.Rows.Count == 0)
{
MessageBox.Show(this.checkedListBox1.CheckedItems[i].ToString() + "数据量不足，不能绘制曲线", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
continue;
}
for (int j = 0; j < tb.Rows.Count; j++)
{
string time = tb.Rows[j]["StrTime"].ToString();
int yearlast = time.IndexOf("-", 0);
int monthlast = time.IndexOf("-", yearlast + 1);
int daylast = time.IndexOf(" ", monthlast + 1);
int hourlast = time.IndexOf(":", daylast + 1);
int minituelast = time.IndexOf(":", hourlast + 1);
string year = time.Substring(0, 4);
string month = time.Substring(yearlast + 1, monthlast - yearlast - 1);
string day = time.Substring(monthlast + 1, daylast - monthlast - 1);
string hour = time.Substring(daylast + 1, hourlast - daylast - 1);
string minitue = time.Substring(hourlast + 1, minituelast - hourlast - 1);
string second = time.Substring(minituelast + 1);
double x = new XDate(Convert.ToInt32(year), Convert.ToInt32(month), Convert.ToInt32(day), Convert.ToInt32(hour), Convert.ToInt32(minitue), Convert.ToInt32(second));
double y1 = Convert.ToDouble(tb.Rows[j][1]);
list1.Add(x, y1);
}
int begin_date_index = dtpBegin.Value.Date.ToString().IndexOf(" ");
string begin_date = dtpBegin.Value.Date.ToString().Substring(0, begin_date_index);
int end_data_index = dtpEnd.Value.Date.ToString().IndexOf(" ");
string end_date = dtpEnd.Value.Date.ToString().Substring(0, end_data_index);
myPane.Title.Text = begin_date + " 至 " + end_date + " 曲线";
myPane.XAxis.Title.Text = "时间(h)";
myPane.YAxis.Title.Text = "";
myPane.XAxis.Type = AxisType.Date;
myPane.XAxis.MajorGrid.IsVisible = true; //珊格子
myPane.YAxis.MajorGrid.IsVisible = true;
line_color = Color.Blue;
LineItem myCurve1 = myPane.AddCurve(this.checkedListBox1.CheckedItems[i].ToString(), list1, line_color, SymbolType.Diamond);
myCurve1.Symbol.Fill = new Fill(Color.White);
myCurve1.Symbol.Size = 7;
myCurve1.Line.Width = 2.0F;
myCurve1.Line.IsAntiAlias = true;
zedGraphControl1.IsShowPointValues = true;
zedGraphControl1.PointValueEvent += new ZedGraphControl.PointValueHandler(MyPointValueHandler);
zedGraphControl1.AxisChange();
zedGraphControl1.Invalidate();
}
}