折线图上画3角形echarts 配置项内容和展示

x轴是时间

      option = {
	xAxis: {
		//指定轴是时间
		type: "category",
	},
	yAxis: {},
	series: [{
		data: [
			['2021-12-01 2:00', 0],
			['2021-12-02', 100],
			['2021-12-03', 100],
			['2021-12-02', 0],
			['2021-12-01 2:00', 0],

			//分割两个图形
			["", ""],

			['2021-12-03', 50],
			['2021-12-04', 20],
			['2021-12-05', 20],
			['2021-12-03', 50]
		],
		type: 'line'
	}]
};