echart line 绘制markLine

option = {
        grid: {
          left: '20',
          right: '20',
          bottom: '0%',
          top: '4%',
          containLabel: true
        },
        tooltip: {
          trigger: 'axis'
        },
        xAxis: [{
          type: 'category',
          data: ['18岁以下', '18~30岁', '30~40岁', '40~50岁', '50~60岁', '60岁以上'],
          axisLine: {
            lineStyle: {
              color: '#D9D9D9'
            }
          },
          axisLabel: {
            textStyle: {
              color: '#000'
            }
          }
        }],
        yAxis: [{
          type: 'value',
          splitLine: {
            show: true,
            lineStyle: {
              type: 'dashed'
            }
          },
          axisLine: {
            lineStyle: {
              color: '#fff'
            }
          },
          axisLabel: {
            textStyle: {
              color: '#000'
            }
          }
        }],
        series: [{
          data: [0, 932, 901, 934, 1290, 1330, 1320],
          type: 'line',
          itemStyle: {
            color: '#3AA0FF'
          },
          markLine: {
              symbol:'none',
               itemStyle: {
                    normal: {
                        borderWidth: 1,
                        lineStyle: {
                            type: 'solid',
                            color: '#333 ',
                            width: 2,
                        },
                        label: {
                            formatter: '',
                            textStyle: {
                                fontSize: 16,
                                fontWeight: "bolder",
                            },
                        }
                    },


                },
            data: [
              //配置线端起始点
              [
                {
                  coord: [2, 0]
                },
                {
                  coord: [2, 932]
                }
              ]

            ]
          },
          areaStyle: {
            color: {
              type: 'linear',
              x: 0,
              y: 0,
              x2: 0,
              y2: 1,
              colorStops: [{
                offset: 0, color: '#3AA0FF' // 0% 处的颜色
              }, {
                offset: 1, color: '#fff' // 100% 处的颜色
              }],
              global: false // 缺省为 false
            }
          }
        }]
      };

效果图 AF6655AB-C64A-47a0-95DE-2829C67EFA87.png