echart

 _echarts1() {
      this.echarts1 = echart.init(document.getElementById('homeEchart1'))
      this.echarts1.setOption({
        backgroundColor: '#fff',
        tooltip: {
          trigger: 'item',
          axisPointer: {
            type: 'shadow',
            label: {
              show: true,
              backgroundColor: '#333'
            }
          }
        },
        grid: {
          top: '10%',
          left: '1%',
          right: '10%',
          bottom: '10%',
          containLabel: true
        },
        xAxis: {
          data: this.switchX,
          axisLine: {
            lineStyle: {
              color: '#a1a1a1'
            }
          },
          // axisLabel: {
          //   interval: 0,
          //   rotate: 10
          // },
        },
        yAxis: {
          splitLine: {show: false},
          axisLine: {
            lineStyle: {
              color: '#a1a1a1'
            }
          }
        },
        series: [
          {
            name: '随访人数',
            type: 'line',
            smooth: true,
            showAllSymbol: true,
            symbol: 'circle',
            symbolSize: 4,
           // color: '#0f0',
            itemStyle:{
                normal:{
                    color: "#07d5d8" //图标颜色
                }
            },
            data: this.switchY,
            lineStyle: {
              normal: {
                 1,
                color: 'rgba(8,213,216,.5)'
              }
              
            },
          }, 
          {
            name: '随访人数',
            type: 'bar',
            barWidth: 6,
            itemStyle: {
              normal: {
                barBorderRadius: 5,
                color: new echart.graphic.LinearGradient(
                  0, 0, 0.5, 1,
                  [
                    {offset: 0, color: '#8283da'},
                    {offset: 0.5, color: '#47aad9'},
                    {offset: 1, color: '#07d5d8'}
                  ]
                )
              }
            },
            data: this.switchY
          }
          
        ]


     })
        
    },