vue 组件化开发（三）elementui el-tree 实现可编辑树

如图：

html ：

<template>
  <div style="margin-left: 5px;">
    <el-tree
      class="filter-tree"
      style="overflow:auto;"
      :data="treeData"
      ref="tree"
      node-key="ID"
      default-expand-all
      :expand-on-click-node="false"
      draggable
      :allow-drop="collapse"
      @node-drop="nodeDropEnd"
      :props="defaultProps"
    >
      <span class="custom-tree-node span_item" slot-scope="{ node, data }">
        <span>
          <el-input
            class="nodeInput"
            v-focus
            v-if="data.STATUS == 1"
            style="width: 90%; margin-right: 20px;"
            v-model="data.NAME"
            size="small"
            @blur="blurEdit(data, node)"
            @keyup.enter.native="$event.target.blur"
          ></el-input>
          <span clas