return{

　　expandTable:{},

}

getOrgTree () {
                  this.$Request.get('api/groups/tree', {}).then(res => {
                      console.log(res);                     if (res && res.code === 0) {
                          if (Array.isArray(res.data)) {
                              this.orgTree = res.data.map(org => this.mapTree(org)); //                            this.orgTree.push({
  //                                title: '无', //                                label: '无', //                                value: 0, //                            })                         }                     }                 });             },

mapTree (org) {
      const haveChildren = Array.isArray(org.children) && org.children.length > 0;     let expand = false;     if(this.expandTable[org.id+'']!==null &&this.expandTable[org.id+'']!==undefined ){
          expand = this.expandTable[org.id+''];     }     return {
          title: org.groupName,         label: org.groupName,         value: org.id,         data: {...org},         expand,         children: haveChildren ? org.children.map(i => this.mapTree(i)) : []     }; },

onToggleExpand(data){
      this.expandTable[data.value+''] = data.expand; },