<el-tree
:data="orgrelation"
show-checkbox
node-key="id"
ref="tree"
:default-expand-all="true"
@check-change="handleClick"
></el-tree>
//触发条件 this.$refs.tree.方法() 此方法时调取到组件内部的方法
var taskArr = this.$refs.SlotTree.getCheckedNodes();
var keysArr = this.$refs.SlotTree.getCheckedKeys();
var halfKeysArr = this.$refs.SlotTree.getHalfCheckedKeys();
var halfTaskArr = this.$refs.SlotTree.getHalfCheckedNodes();
var currentKey = this.$refs.SlotTree.getCurrentKey();
var currentNode = this.$refs.SlotTree.getCurrentNode();
tree 的所有方法