vue Treeselect树形下拉框之获取选中节点的ids和lables操作

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API: https://vue-treeselect.js.org/#events

1.ids: 即value

1.lable: 需要用到方法：@select(node,instanceId) 和 @deselect(node,instanceId)

<template><treeselect ref="DRHA_EFaultModeTree"    v-model="DRHA_EFaultModeTree_value"    :multiple="true"     :options="DRHA_EFaultModeTree_options"    :flat="true"    :show-count="true"    :disable-branch-nodes="true"    :searchable="false"    @select="DRHA_EFaultModeTree_handleSelect"    @deselect="DRHA_EFaultModeTree_handleDeSelect"    placeholder=" 请选择..."/>  <p>lables：{{DRHA_EFaultModeTree_lables}}</p> <p>ids:{{DRHA_EFaultModeTree_value}}</p> </template> <script> // import the component import Treeselect from '@riophae/vue-treeselect' // import the styles import '@riophae/vue-treeselect/dist/vue-treeselect.css'   export default { components: { Treeselect }, data() {  return {    DRHA_EFaultModeTree_value: null,  DRHA_EFaultModeTree_lables: [],  DRHA_EFaultModeTree_options: [ {   id: '1',   label: 'Fruits',   children: [ {   id: '1-1',   label: 'Apple ?',   isNew: true,   }, {   id: '1-2',   label: 'Grapes ?',   }, {   id: '1-3',   label: 'Pear ?',   }, {   id: '1-4',   label: 'Strawberry ?',   }, {   id: 'watermelon',   label: 'Watermelon ?',   } ],  }, {   id: 'vegetables',   label: 'Vegetables',   children: [ {   id: 'corn',   label: 'Corn ?',   }, {   id: 'carrot',   label: 'Carrot ?',   }, {   id: 'eggplant',   label: 'Eggplant ?',   }, {   id: 'tomato',   label: 'Tomato ?',   } ],  } ],  }; }, mounted: function(){   }, methods: {  DRHA_EFaultModeTree_handleSelect(node,instanceId){  console.log("Select");  this.DRHA_EFaultModeTree_lables.push(node.label);  },  DRHA_EFaultModeTree_handleDeSelect(node,instanceId){  console.log("DeSelect");  for (let i = 0;i<this.DRHA_EFaultModeTree_lables.length;i++){   if(node.label == this.DRHA_EFaultModeTree_lables[i]){   this.DRHA_EFaultModeTree_lables.splice(i,1);   }  }  }, } };</script>

补充知识：vue Treeselect 下拉树选择 问题总结

情况：

解决方法：

截图：

问题二：只能选择最小分类

如图：

问题三：显示 分类的个数

相关学习推荐：编程视频

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