eachers中的树形图在点击其中某个子节点时关闭其他同级子节点

答案在代码末尾！！！！！

tubiaoinit(params: any) {
    // 手动触发变化检测
    this.changeDetectorRef.detectChanges();
    if (this.myChart !== undefined) {
      this.myChart.dispose();
    }
    this.myChart = echarts.init(this.pieChart?.nativeElement);

    let data: any = {};
    data = params;
    let option = {
      // tooltip: {
      //   trigger: 'item',
      //   triggerOn: 'mousemove'
      // },
      backgroundColor: 'transparent',

      series: [
        {
          roam: true,
          scaleLimit: {
            min: 1
          },
          type: 'tree',
          id: 0,
          name: 'tree1',
          data: [data],
          // 垂直排列
          // orient: 'vertical',
          top: '10%',
          left: '10%',
          bottom: '22%',
          right: '20%',
          symbolSize: 7,
          edgeShape: 'polyline',
          edgeForkPosition: '63%',
          initialTreeDepth: 3,

          lineStyle: {
            width: 2
          },
          label: {
            backgroundColor: '#3084f0',
            rotate: 0,
            position: 'top',
            verticalAlign: 'middle',
            align: 'right',
            fontSize: 16,
            padding: 4,
            color: '#191717',
            borderRadius: [4, 4, 4, 4],
            rich: {
              img1: {
                backgroundColor: {
                  image: 'assets/img/dianbiao2.png'
                },
                height: 27
              }
            },
            formatter: function (param: any) {
              var res = '';
              res += `{img1|}${param.data.name}`;
              return res;
            }
          },

          leaves: {
            label: {
              backgroundColor: '#fff',
              rotate: 0,
              color: '#121010',
              position: 'right',
              verticalAlign: 'middle',
              align: 'left',
              fontSize: 12,
              rich: {
                img1: {
                  backgroundColor: {
                    image: 'none'
                  },
                  height: 20
                }
              },
              formatter: function (param: any) {
                var res = '';
                res += `{img1|}${param.data.name}`;
                return res;
              }
            }
          },

          emphasis: {
            disable: true,
            focus: 'none'
          },

          expandAndCollapse: true,
          animationDuration: 550,
          animationDurationUpdate: 750
        }
      ]
    };
    this.myChart.setOption(option);
    this.myChart.on('click', (param: any) => {
      // console.log(param);
      // if (typeof param.seriesIndex == 'undefined') {
      //   return;
      // }
      if (param.data.deviceId !== undefined && param.data.deviceId !== null && param.data.deviceId !== '') {
        this.isVisible = true;
        // 手动触发变化检测
        this.changeDetectorRef.detectChanges();
        this.showDianBiaoValue({ id: param.data.deviceId, name: param.data.name });
      } else {
  
        if (param.data.deviceId === '') {
          this.message.create('warning', '此设备没有电表信息，还未启动！');
        }
      }
    });
    //下面的代码直接复制使用这里是实现功能的代码
    if (option && typeof option === 'object') {
      this.myChart.setOption(option, true);
      this.myChart.on('mousedown', (e: any) => {
        const name = e.data.name;
        const curNode = this.myChart._chartsViews[0]._data.tree._nodes.find((item: any) => {
          return item.name === name;
        });
        const depth = curNode.depth;
        const curIsExpand = curNode.isExpand;
        this.myChart._chartsViews[0]._data.tree._nodes.forEach((item: any, index: any) => {
          if (item.depth === depth && item.name !== name && !curIsExpand) {
            item.isExpand = false;
          }
        });
      });
    }
  }