Echarts tooltip格式化

格式化前

格式化后

tooltip: {
	trigger: "axis",
	formatter(datas) {
		let res = moment(datas[0].value[0], "MM-dd hh:mm") + "<br/>",val;
		for (let i = 0, length = datas.length; i < length; i++) {
            //格式化流量
		val = sizeRoundToString(datas[i].value[1])
                let indexColor = datas[i].color
                let preStr = '<span style="display:inline-block;height: 10px;width:10px;border-radius:50%; margin-right:6px;background-color:'
                res += preStr + indexColor+';"></span>' + datas[i].seriesName.split(" ")[0] + "：" + val + "<br/>"
	}
	return res
    },
},