_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: {                width: 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          }                  ]     })            },