阶梯、曲线echarts 折线配置项内容和展示

      var startTime ='06:00';
var endTime='22:00';
var HighYdata = [141, 150, 150, 151, 147, 151, 150, 151, 152, 151, 150, 151, 152, 147, 151, 150, 151, 152, 150, 151, 152, 152, 150, 150, 152];
var xData = ['08:00', '09:00', '10:00', '11:00', '12:00', '13:00', '14:00', '15:00', '16:00', '17:00', '18:00:00', '19:00:00', '20:00:00',
    '21:00', '22:00', '23:00', '00:00', '01:00', '02:00', '03:00', '04:00', '05:00', '06:00', '07:00', '08:00'
];
var LowYdata = [83, 71, 86 ,74, 83, 71, 84, 73, 87, 72, 84, 73, 85, 73, 71, 84, 83, 77, 77, 72, 74,72, 74, 72, 84];
var standardata = [];
var standardata2 = [];
var h=135;
var l=120;
xData.map((item, index) => {
    if(item == startTime){
       standardata.push('120')
        standardata2.push('70')
    }else if(item == endTime){
        standardata.push('120')
        standardata2.push('70')
    }else{
        standardata.push('135')
        standardata2.push('85')
    }
})

var seriesArr = [{
    name: "高压",
    type: 'line',
    symbolSize: 0,
    silent: true,
    color:'#FB8989',
    lineStyle: { //折线的颜色
        color:'#FB8989'
    },
    smooth: false, //是否平滑处理值0-1,true相当于0.5
    data: HighYdata,
    markArea: {
        animation: true,
        itemStyle: { //全局的
            normal: {
                color: 'rgba(208,208,208,0.5)'
            }
        },
        data: [
            [{
                xAxis: startTime || "",

            }, {
                xAxis: endTime || "",
            }]
        ]
    }
},{
    name: "低压",
    type: 'line',
    symbolSize: 0,
    silent: true,
    color:'#2bd4ba',
    lineStyle: { //折线的颜色
        color:'#2bd4ba'
    },
    smooth: false, //是否平滑处理值0-1,true相当于0.5
    data: LowYdata,
},{
    name: '收缩压临界值',
    type: 'line',
    smooth: true,
    step: "start",
    symbol: "none",
    symbolSize: 8,
    itemStyle: {
        normal: {
            lineStyle: {
                type: 'dashed',
                //折点的颜色
                // color: "#00a2e6"
            },
            color: "#e6747c", //拐点的颜色
        }
    },
    smooth: false,
    data: standardata
},{
    name: '舒张压临界值',
    type: 'line',
    smooth: true,
    step: "start",
    symbol: "none",
    itemStyle: {
        normal: {
            lineStyle: {
                type: 'dashed',
                //折点的颜色
                // color: "#00a2e6"
            },
            color: "#2bd4ba", //拐点的颜色
        }
    },
    smooth: false,
    data: standardata2
}];

  option = {
     backgroundColor:'#fff',
    title: {
        text: "",
    },
    tooltip: {
        trigger: 'axis',
        textStyle: {
            fontSize:18
        },
        formatter: function(params) {
            var str = params[0].axisValue + "<br/>";
            for (var i = 0; i <= 1; i++) {
                if (params[i].value) {
                    str += '<span>' + params[i].seriesName + "</span>: <span style=font-size:16px;color:#fff;>" + params[i].value + " </span><br/>";
                }

            };
            return str;
        }
    },
    grid: {
        left: "5%",
        right: "3%",
        top: "10%",
        bottom: "10%"
    },
    legend: {
        show: true,
        itemWidth: 25,
        itemHeight: 12,
        textStyle: {
            fontSize: 16,
            color: "#333"
        },
        data: ["高压", "低压",
        {name:'收缩压临界值',icon:'path://M0 6 L0 -6Z M0 0 L0 2 L8 2 L8 0 Z M12 0 L12 2 L20 2 L20 0 Z'},
	    {name:'舒张压临界值',icon:'path://M0 6 L0 -6Z M0 0 L0 2 L8 2 L8 0 Z M12 0 L12 2 L20 2 L20 0 Z'}
		],
		x:'center',
        y:'bottom',
        selectedMode:false
    },
    xAxis: [{
        name: '',
        type: 'category',
        boundaryGap: false,
        axisLine: { //设置X轴的颜色
            lineStyle: {
                color: '#333'
            }
        },
        axisTick: {
            show: false
        },
        data: xData
    }],
    yAxis: [{
        name:'血压（mmHg）',
        type: 'value',
        scale: true,
        nameLocation:'middle',
        nameRotate:90,
        nameGap:40,
        min:10,
        axisLine: { //设置y轴的颜色
            lineStyle: {
                color: '#333'
            }
        },
        axisTick: {
            show: false
        },
        splitLine: {
            lineStyle: {
                color: '#eee'
            }
        },
    }],
    
    series: seriesArr
};