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;}});});}}