/// <summary>
/// 新建折线图
/// </summary>
/// <param name="text">折线图标题</param>
/// <param name="legend">线条分类</param>
/// <param name="axis">横轴</param>
/// <param name="data">显示数据</param>
/// <returns></returns>
public static eChart BuildLineChart(string text, string[] legend, string[] axis, int[][] data)
{
var seriesArray = new Series[legend.Length];
for (int i = 0; i < legend.Length; i++)
{
var series = new Series
{
name = legend[i],
type = "line",
data = data[i].Cast <object>().ToArray()
};
seriesArray[i] = series;
}
var chart = new eChart
{
title = new Title {
text = text
},
legend = new Legend
{
data = legend
},
series = seriesArray,
xAxis = new Axis
{
data = axis
},
yAxis = new Axis
{
type = "value"
},
tooltip = new Tooltip
{
trigger = "axis"
}
};
return(chart);
}
/// <summary>
/// 建立一个饼状图
/// </summary>
/// <param name="text"></param>
/// <param name="legend_data"></param>
/// <param name="axis"></param>
/// <param name="data"></param>
/// <param name="radius">饼图的大小</param>
/// <param name="xPos">x坐标，百分比，默认值50（%）</param>
/// <param name="yPos">y坐标，百分比，默认值50（%）</param>
/// <returns></returns>
public static eChart BuildPieChart(string text, string[] legend_data, object[] data, int radius = 50, int xPos = 50, int yPos = 50)
{
radius = radius > 100 || radius <= 0 ? 50 : radius;
xPos = xPos > 100 || xPos <= 0 ? 50 : xPos;
yPos = yPos > 100 || yPos <= 0 ? 50 : yPos;
var seriesArray = new Series[1];
for (int i = 0; i < seriesArray.Length; i++)
{
var series = new Series
{
name = text,
type = "pie",
data = data,
radius = radius + "%",
center = new string[] { xPos + "%", yPos + "%" },
};
seriesArray[i] = series;
}
var chart = new eChart
{
title = new Title {
text = text, x = "center"
},
legend = new Legend
{
data = legend_data,
orient = "vertical",
left = "left"
},
tooltip = new Tooltip
{
trigger = "item"
},
series = seriesArray,
};
return(chart);
}