CPU、内存、磁盘多图例

描述:当前是关于Echarts图表中的 折线图 示例。
 
            option = {
    backgroundColor: "",
    color: ["#27d391", "#eddb76", "#fe3838"],
   
    tooltip: {
        trigger: 'axis',
        axisPointer: {
            type: 'cross'
        }
    },
    xAxis: [{
        gridIndex: 0,
        axisLabel: {
            show: true
        },
        axisTick: {
            show: true
        },
        axisLine: {
            lineStyle: {
                color: 'rgba(151,184,216,0.5)',
                type: "dashed"
            }
        },
        type: 'category',
        boundaryGap: true,
        data: ['0:00', '1:00', '2:00', '3:00', '4:00', '5:00', '6:00', '7:00', '8:00', '9:00', '10:00', '11:00']
    }, {
        gridIndex: 1,
        axisLabel: {
            show: true
        },
        axisTick: {
            show: true
        },
        axisLine: {
            lineStyle: {
                color: 'rgba(151,184,216,0.5)',
                type: "dashed"
            }
        },
        type: 'category',
        boundaryGap: false,
        data: ['0:00', '1:00', '2:00', '3:00', '4:00', '5:00', '6:00', '7:00', '8:00', '9:00', '10:00', '11:00']
    }, {
        gridIndex: 2,
        axisLabel: {
            show: true
        },
        axisTick: {
            show: false
        },
        axisLine: {
            lineStyle: {
                color: 'rgba(151,184,216,0.5)',
                type: "dashed"
            }
        },
        type: 'category',
        boundaryGap: false,
        data: ['0:00', '1:00', '2:00', '3:00', '4:00', '5:00', '6:00', '7:00', '8:00', '9:00', '10:00', '11:00']
    }],
    yAxis: [{
        gridIndex: 0,
        axisLabel: {
            show:true
        },
        axisTick: {
            show: true
        },
        axisLine: {
            show: true,
        },
        splitLine: {
            show: false
        },
        splitNumber: 5,
        name: 'CPU',
        nameLocation: 'center',
        nameTextStyle: {
            color: '#27d391',
            fontSize: 14
        },
        nameRotate: 360
    }, {
        gridIndex: 1,
        axisLabel: {
            show:true
        },
        axisTick: {
            show: false
        },
        axisLine: {
            show: true,
        },
        splitLine: {
            show: true
        },
        splitNumber: 5,
        name: '内存',
        nameLocation: 'center',
        nameTextStyle: {
            color: '#eddb76',
            fontSize: 14
        },
        nameRotate: 360
    }, {
        gridIndex: 2,
        axisLabel: {
            show:true
        },
        axisTick: {
            show: false
        },
        axisLine: {
            show: true,
        },
        splitLine: {
            show: true
        },
        splitNumber: 5,
        name: '磁盘',
        nameLocation: 'center',
        nameTextStyle: {
            color: '#fe3838',
            fontSize: 14
        },
        nameRotate: 360
    }],
    grid: [{
        top: '5%',
        left: '10%',
        right: '4%',
        bottom: '4%',
        height: '30%'
    }, {
        top: '40%',
        left: '10%',
        right: '4%',
        bottom: '4%',
        height: '30%'
    }, {
        top: '74%',
        left: '10%',
        right: '4%',
        bottom: '4%',
        height: '30%'
    }],
    series: [{
        type: 'line',
        data: [0, 41, 30, 65, 53, 53, 53, 41, 30, 65, 53, 0],
        xAxisIndex: 0,
        yAxisIndex: 0,
        smooth: false,
        lineStyle: {
            color: '#92c690'
        },
        label: {
                show: true,
                position: 'top',
                textStyle: {
                   color: '#92c690',
                }
            },
        itemStyle: {
            normal: {
                color: '#92c690',
                borderColor: '#92c690'
            }
        },
        areaStyle: {
            color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
                offset: 0,
                color: '#98f195'
            }, {
                offset: 1,
                color: '#98f19503'
            }])
        }
    }, {
        type: 'line',
        data: [12, 45, 15, 2, 56, 15, 12, 45, 15, 2, 56, 15],
        xAxisIndex: 1,
        yAxisIndex: 1,
        smooth: false,
        lineStyle: {
            color: '#219cab'
        },
        label: {
                show: true,
                position: 'top',
                textStyle: {
                   color: '#219cab',
                }
            },
        itemStyle: {
            normal: {
                color: '#219cab',
                borderColor: '#219cab'
            }
        },
        areaStyle: {
            color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
                    offset: 0,
                    color: '#69d0e1'
                },
                {
                    offset: 1,
                    color: '#69d0e103'
                }
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        }
    }, {
        type: 'line',
        data: [0, 74, 67, 79, 46, 46, 46, 74, 67, 79, 46, 0],
        xAxisIndex: 2,
        yAxisIndex: 2,
        smooth: false,
        lineStyle: {
            color: '#F18F24'
        },
        label: {
                show: true,
                position: 'top',
                textStyle: {
                   color: '#F18F24',
                }
            },
        itemStyle: {
            normal: {
                color: '#F18F24',
                borderColor: '#F18F24'
            }
        },
        areaStyle: {
            color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
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                color: '#F18F24'
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                color: '#F18F2403'
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};