public List <DateTime> getTimeValue(string classroomID)
{
List <string[]> temperatureValue = new BLL.Environment().getValue(classroomID, "温度传感器");
List <DateTime> lsTime = new List <DateTime>();
foreach (string[] str in temperatureValue)
{
lsTime.Add(Convert.ToDateTime(str[1]));
}
return(lsTime);
}
public List <string> getTemperatureValue(string classroomID)
{
List <string[]> temperatureValue = new BLL.Environment().getValue(classroomID, "温度传感器");
List <string> cherry = new List <string>();
foreach (string[] str in temperatureValue)
{
cherry.Add(str[0]);
}
return(cherry);
}
public List <string> getHumidityValue(string classroomID)
{
List <string[]> humidityValue = new BLL.Environment().getValue(classroomID, "湿度传感器");
List <string> pineapple = new List <string>();
foreach (string[] str in humidityValue)
{
pineapple.Add(str[0]);
}
return(pineapple);
}
public void CreateChartSpline(string name = null, List <DateTime> LsTime = null, List <string> cherry1 = null, List <string> pineapple1 = null)
{
List <string[]> temperatureValue = new BLL.Environment().getValue(classroomID, "温度传感器");
List <string[]> humidityValue = new BLL.Environment().getValue(classroomID, "湿度传感器");
List <DateTime> lsTime = new List <DateTime>();
List <string> cherry = new List <string>();
List <string> pineapple = new List <string>();
foreach (string[] str in temperatureValue)
{
lsTime.Add(Convert.ToDateTime(str[1]));
cherry.Add(str[0]);
}
foreach (string[] str in humidityValue)
{
pineapple.Add(str[0]);
}
//创建一个图标
Chart chart = new Chart();
//设置图标的宽度和高度
chart.Width = chartGrid.Width;
chart.Height = chartGrid.Height;
chart.Margin = new Thickness(0, 0, 0, 0);
//是否启用打印和保持图片
chart.ToolBarEnabled = false;
//设置图标的属性
chart.ScrollingEnabled = false; //是否启用或禁用滚动
chart.View3D = false; //3D效果显示
//创建一个标题的对象
Title title = new Title();
//设置标题的名称
title.Text = "温湿度曲线图";
title.Padding = new Thickness(0, 10, 5, 0);
chart.Background = new SolidColorBrush(Color.FromArgb(100, 100, 100, 100));
//向图标添加标题
chart.Titles.Add(title);
//X轴
//初始化一个新的Axis
Axis xaxis = new Axis();
//设置Axis的属性
//图表的X轴坐标按什么来分类，如时分秒
xaxis.IntervalType = IntervalTypes.Hours;
//图表的X轴坐标间隔如2,3,20等，单位为xAxis.IntervalType设置的时分秒。
xaxis.Interval = 1;
//设置X轴的时间显示格式为7-10 11：20
xaxis.ValueFormatString = "HH:00";
//给图标添加Axis
chart.AxesX.Add(xaxis);
//Y轴
Axis yAxis = new Axis();
//设置图标中Y轴的最小值为-20
yAxis.AxisMinimum = -20;
//设置图标中Y轴的最大值为100
yAxis.AxisMaximum = 100;
//设置间隔为10
yAxis.Interval = 10;
//设置图表中Y轴的后缀
yAxis.Suffix = "℃";
chart.AxesY.Add(yAxis);
// 创建一个新的数据线。
DataSeries dataSeries = new DataSeries();
// 设置数据线的格式。
dataSeries.LegendText = "温度";
dataSeries.RenderAs = RenderAs.Spline;//折线图
dataSeries.XValueType = ChartValueTypes.DateTime;
// 设置数据点
DataPoint dataPoint;
for (int i = 0; i < cherry.Count; i++)
{
// 创建一个数据点的实例。
dataPoint = new DataPoint();
// 设置X轴点
dataPoint.XValue = lsTime[i];
//设置Y轴点
dataPoint.YValue = double.Parse(cherry[i]);
dataPoint.MarkerSize = 8;
//dataPoint.Tag = tableName.Split('(')[0];
//设置数据点颜色
// dataPoint.Color = new SolidColorBrush(Colors.LightGray);
//dataPoint.MouseLeftButtonDown += new MouseButtonEventHandler(dataPoint_MouseLeftButtonDown);
//添加数据点
dataSeries.DataPoints.Add(dataPoint);
}
// 添加数据线到数据序列。
chart.Series.Add(dataSeries);
// 创建一个新的数据线。
DataSeries dataSeriesPineapple = new DataSeries();
// 设置数据线的格式。
dataSeriesPineapple.LegendText = "湿度";
dataSeriesPineapple.RenderAs = RenderAs.Spline;//折线图
dataSeriesPineapple.XValueType = ChartValueTypes.DateTime;
// 设置数据点
DataPoint dataPoint2;
for (int i = 0; i < pineapple.Count; i++)
{
// 创建一个数据点的实例。
dataPoint2 = new DataPoint();
// 设置X轴点
dataPoint2.XValue = lsTime[i];
//设置Y轴点
dataPoint2.YValue = double.Parse(pineapple[i]);
dataPoint2.MarkerSize = 8;
//dataPoint2.Tag = tableName.Split('(')[0];
//设置数据点颜色
// dataPoint.Color = new SolidColorBrush(Colors.LightGray);
//dataPoint2.MouseLeftButtonDown += new MouseButtonEventHandler(dataPoint_MouseLeftButtonDown);
//添加数据点
dataSeriesPineapple.DataPoints.Add(dataPoint2);
}
// 添加数据线到数据序列。
chart.Series.Add(dataSeriesPineapple);
//将生产的图表增加到Grid，然后通过Grid添加到上层Grid.
Grid gr = new Grid();
gr.Children.Add(chart);
chartGrid.Children.Add(gr);
}
