请问怎么将红色和蓝色折线图中间的区域填充颜色？echarts line'] }, // restore: { show: true }, // saveAsImage: { show: true } } }, calculable: true, xAxis: { data: [], // boundaryGap: false, }, yAxis: { min: 0, max: 100, type: 'value' }, series: [ { itemStyle: { normal: { color: "grey", lineStyle: { color: "yellow" }, // areaStyle: { // origin:"end", // opacity:0.3 // } } }, name: '得分配置项内容和展示

      option = {
            title: {
                text: '性格剖析'
            },
            tooltip: {
                backgroundColor: "#fcf9e6",
                color: "black",
                textStyle: {
                    color: "black"
                },
                formatter: function (datas) {
                    console.log(datas);
                    var res = "<p>" + datas.data.tag + "</p>"
                    res += "<p>参考区间 : " + datas.data.start + "~" + datas.data.end + "</p>"
                    res += "<p>" + datas.seriesName + '：'
                        + datas.value + "</p>"
                    return res
                }

            },
            legend: {
                data: [
                    {name:"得分"},
     
            ]
            },
            toolbox: {
                show: true,
                feature: {
                    mark: { show: true },
                    // dataView: { show: true, readOnly: false },
                    // magicType: { show: true, type: ['line'] },
                    // restore: { show: true },
                    // saveAsImage: { show: true }
                }
            },
            calculable: true,
            xAxis: {
                data: [],
                // boundaryGap: false,
            },
            yAxis: {
                min: 0,
                max: 100,
                type: 'value'
            },
            series: [
                {
                    itemStyle: {
                        normal: {
                            color: "grey",
                            lineStyle: {
                                color: "yellow"
                            },
                            // areaStyle: { 
                            //     origin:"end",
                            //     opacity:0.3
                            //  }
                        }
                    },
                    name: '得分',
                    type: 'line',
                    data: [
                        { value: 72.73, start: 42, end: 80, tag: "外向性" },
                        { value: 72.73, start: 50, end: 90, tag: "直觉性" },
                        { value: 63.64, start: 42, end: 40, tag: "情感性" },
                        { value: 45.45, start: 30, end: 60, tag: "开放性" },
                    ]
                },
                {
                    itemStyle: {
                        normal: {
                            lineStyle: {
                                color: "blue"
                            },
                            areaStyle: {
                                origin: "",
                                opacity: 0.1,
                                color:"grey"
                            }
                        }
                    },
                    name: "区间",
                    type: "line",
                    symbol: 'none',
                    data: [
                        { value: 42.45 },
                        { value: 45.45 },
                        { value: 24.27 },
                        { value: 16.45 },
                    ]
                },
                {
                    itemStyle: {
                        normal: {
                            lineStyle: {
                                color: "red"
                            },
                            // areaStyle: { 
                            //     origin:"end",
                            //     opacity:0
                            //  }
                        }
                    },
                    name:"区间",
                    type:"line",

                    symbol:'none',
                    data: [
                        {value:80.91},
                        {value:80.09},
                        {value:64.64},
                        {value:62.73},
                    ]
                },

            ]
        };