vue中echarts折线图双折线，鼠标悬浮时间，将两个X轴的内容以及Y轴的内容全部显示出来

 tooltip: {
          trigger: 'axis',
          axisPointer: {
                type: 'cross'
              },
              padding: [5, 10],
          formatter: function(params, ticket, callback) { 
            return that.drawLineData.xAxis[params[0].dataIndex] + "<br />" +  params[0].seriesName + "：" + params[0].value+ "<br />"+that.drawLineData.compareTime[params[1].dataIndex] + "<br />" +  params[1].seriesName + "：" + params[1].value;
        }
        }