el-tree 父节点隐藏

实现效果

<el-tree
  node-key="id"
  ref="tree"
  @check-change="handleCheckChange"
  :props="props"
  :load="loadNode"
  lazy
  show-checkbox  //添加选择框
  >

    //深度穿透
     /deep/.el-tree-node {
       .is-leaf + .el-checkbox .el-checkbox__inner {
         display: inline-block;
       }
       .el-checkbox .el-checkbox__inner {
         display: none;
       }
     }