平均线echarts 折线配置项内容和展示

      option = {
    color: '#38f',
    grid: {
        left: 65,
        right: 35,
        top: 30,
        bottom: 55
    },
    legend: {
            data:['幸福指数','人均可支配收入(万元)']
        },
    xAxis: {
        type: 'time',
        min: 'dataMin',
        max: 'dataMax',
        axisLine: {
            show: false
        },
        axisTick: {
            show: false
        },
        axisLabel: {
            margin: 15,
            color: '#999',
            fontSize: 12
        },
        splitLine: {
            show: false
        },
        splitNumber: 15
    },
    yAxis: {
        type: 'value',
        axisLine: {
            show: false
        },
        axisTick: {
            show: false
        },
        axisLabel: {
            margin: 20,
            color: '#999',
            fontSize: 12
        },
        splitLine: {
            lineStyle: {
                color: '#f5f5f5',
                type: 'dashed'
            }
        }
    },
    tooltip: {
        trigger: 'axis',
        axisPointer: {
            show: true,
            label: {
                show: false
            },
            lineStyle: {
                width: 0
            }
        },
        backgroundColor: '#38f',
        paddingLeft: 10,
        paddingRight: 10,
        textStyle: {
            fontSize: 12
        }
    },
    series: {
        type: 'line',
        smooth: true,
        symbol: 'circle',
        symbolSize: 2,
        showSymbol: false,
        lineStyle: {
            width: 1
        },
        data: [
            ["2018/07/17", 0.011341],
            ["2018/07/16", 0.0111655],
            ["2018/07/15", 0.0114126],
            ["2018/07/14", 0.011566],
            ["2018/07/13", 0.0114261],
            ["2018/07/12", 0.0112994],
            ["2018/07/11", 0.0115931],
            ["2018/07/10", 0.0115528],
            ["2018/07/09", 0.0116438],
            ["2018/07/08", 0.011719],
            ["2018/07/07", 0.0114817],
            ["2018/07/06", 0.0115221],
            ["2018/07/05", 0.0115684],
            ["2018/07/04", 0.0116965],
            ["2018/07/03", 0.0116036],
            ["2018/07/02", 0.011386],
            ["2018/07/01", 0.0113893],
            ["2018/06/30", 0.011495],
            ["2018/06/29", 0.0113199],
            ["2018/06/28", 0.0107178],
            ["2018/06/27", 0.0104945],
            ["2018/06/26", 0.0102861],
            ["2018/06/25", 0.0101068],
            ["2018/06/24", 0.010452],
            ["2018/06/23", 0.0106669],
            ["2018/06/22", 0.0113784],
            ["2018/06/21", 0.0106694],
            ["2018/06/20", 0.00962346],
            ["2018/06/19", 0.00953891],
            ["2018/06/18", 0.00948168]
        ],
        markLine: {
            precision: 8,
            data: [{
                name: '平均值',
                type: 'average'
            }],
            lineStyle: {
                color: '#000'
            }
        }
    }
};